CN111074939A

CN111074939A - A formwork-free concrete single-cabin pipe gallery or multi-cabin pipe gallery and its construction method

Info

Publication number: CN111074939A
Application number: CN201811214453.9A
Authority: CN
Inventors: 庄惟敏; 侯建群; 李江波
Original assignee: Zhongqingda Technology Co ltd
Current assignee: Zhongqingda Technology Co ltd
Priority date: 2018-10-18
Filing date: 2018-10-18
Publication date: 2020-04-28
Anticipated expiration: 2038-10-18
Also published as: CN111074939B

Abstract

The invention relates to a formwork-free concrete single-chamber pipe gallery or a multi-chamber pipe gallery and a construction method thereof. The pipe gallery includes a top plate, a bottom plate and a wall that are connected to each other. The wall includes an outer wall, and also includes or does not include a partition wall. The walls are all cast-in-place reinforced concrete structures. The wall solid formwork on both sides of the wall and the wall concrete layer poured between the wall solid formwork on both sides are constituted, and the wall solid formwork adopts a reinforced truss fixed formwork, and the reinforced truss fixed formwork includes a panel and a The steel mesh and steel truss on one side of the panel, and the top and bottom plates are preferably cast-in-place concrete structures. The construction method includes floor construction, wall construction, roof construction and necessary concrete oxidation. The invention is beneficial to reduce the workload and labor intensity of pipe gallery construction, reduce the degree of influence of human factors on building quality, reduce construction costs, and reduce the adverse impact on the environment and society during the construction of the pipe gallery.

Description

Formwork-disassembly-free concrete single-cabin pipe gallery or multi-cabin pipe gallery and construction method thereof

Technical Field

The invention relates to a formwork-disassembly-free concrete single-cabin or multi-cabin pipe gallery and a construction method of the pipe gallery, and belongs to the technical field of buildings.

Background

The underground comprehensive pipe gallery is a comprehensive corridor of urban underground pipelines, is in a tunnel shape, and can be used for storing and transporting the underground pipelines, can be designed into a single-cabin pipe gallery and can also be designed into a multi-cabin pipe gallery, and various engineering pipelines such as urban electric power, communication, gas, heat supply, water supply and drainage and the like can be arranged in the pipe gallery so as to be convenient for management and maintenance, because the requirements of pressure bearing, seepage prevention and the like are severe, the construction of the underground pipe gallery at present can be roughly divided into two technical routes, firstly, a cast-in-place reinforced concrete structure is adopted, the technical route has large field operation amount, complex construction and high labor intensity, needs to excavate a larger operation field, needs to design a special template, has relatively large influence of human factors on the building quality in the field operation, is difficult to detect and repair the internal quality problem, these problems lead to high construction costs today due to shortage of suitable labor resources and increasing labor costs; secondly, the prefabricated parts are adopted, the prefabricated parts are transported to be assembled on site, and then butt joint repair and sealing treatment are carried out on connecting parts, because the prefabricated parts are often far away from the site, the transportation amount is large, special transportation vehicles and transportation management modes are often needed, the transportation cost is high, large hoisting equipment needs to be equipped on the site, the construction cost is also increased, particularly, the prefabricated part assembling structure is easy to leak, and the anti-seepage treatment requirement is strict.

Disclosure of Invention

Aiming at the problems, the invention provides a formwork-disassembly-free concrete single-cabin pipe gallery or multi-cabin pipe gallery and a construction method of the comprehensive pipe gallery, aiming at reducing the workload and the working strength of building construction, reducing the influence degree of human factors on the building quality, reducing the construction cost, reducing the influence on the environment and the society caused by the construction of the pipe gallery and being beneficial to improving the quality of the pipe gallery.

The technical scheme of the invention is as follows: a formwork-dismantling-free concrete single-cabin or multi-cabin pipe gallery comprises a top plate, a bottom plate and wall bodies which are connected with each other, wherein each wall body comprises outer wall bodies positioned on two sides of the pipe gallery, the top and the bottom of each outer wall body are respectively connected with the corresponding sides of the bottom plate and the top plate, each wall body also comprises or does not comprise a partition wall body, each partition wall body is positioned between the outer wall bodies on two sides, the top and the top of each partition wall body are respectively connected with the bottom plate and the top plate, each wall body adopts a cast-in-place reinforced concrete structure and mainly comprises wall body fixing formworks positioned on two sides of the wall body and wall body concrete layers poured between the wall body fixing formworks on two sides, each wall body fixing formwork adopts a reinforced bar truss fixing formwork, a panel of each wall body fixing formwork faces the outer side of the wall body, a reinforced bar truss faces the inner side of the wall body, and a, the reinforcing steel bar truss fixing template comprises a panel, and a reinforcing steel bar net and a reinforcing steel bar truss which are positioned on one side of the panel, wherein the panel of the reinforcing steel bar truss fixing template used as the wall body fixing template forms a permanent template of a corresponding wall body, and the reinforcing steel bar net and the reinforcing steel bar truss used as the reinforcing steel bar truss fixing template of the wall body fixing template form reinforcing steel bars in a concrete layer of the corresponding wall body.

Preferably, the reinforcing mesh, the steel bar truss and the face plate of the steel bar truss fixed template are fixedly connected into a whole, and the integral steel bar truss fixed template can be processed and manufactured in a factory.

Preferably, the top plate is constructed by adopting a cast-in-place reinforced concrete structure or a prefabricated component splicing technology, when the top plate adopts the cast-in-place reinforced concrete structure, the top plate mainly comprises a top plate bottom fixed template and a top plate concrete layer poured on the top plate bottom fixed template, the top plate bottom fixed template adopts a reinforced truss fixed template, a reinforced mesh and a reinforced truss are positioned on a panel of the top plate bottom fixed template and are fixedly connected in the top plate concrete layer, two sides of the top plate concrete layer are respectively fixedly connected with the wall concrete layer on the corresponding side, top plate additional steel bars are arranged or not arranged in the top plate concrete layer, the top plate additional steel bars are positioned on the reinforced trusses of the top plate bottom fixed template and are fixedly connected in the top plate concrete layer to form upper layer steel bars in the top plate concrete layer, and the panel of the reinforced truss fixed template used as the top plate bottom fixed template forms a permanent template of the corresponding top plate, the reinforcing mesh of the reinforcing truss fixing template used as the top plate bottom fixing template and the reinforcing truss form reinforcing steel bars in a corresponding top plate concrete layer.

Preferably, the bottom plate adopts a cast-in-place reinforced concrete structure or a prefabricated part splicing structure, the bottom plate adopting the cast-in-place reinforced concrete structure mainly comprises a bottom plate bottom fixed template and a bottom plate concrete layer poured on the bottom plate bottom fixed template, the bottom plate bottom fixed template adopts a reinforced truss fixed template, a reinforced mesh and a reinforced truss are positioned on a panel of the bottom plate fixed template and are fixedly connected in the bottom plate concrete layer, two sides of the bottom plate concrete layer are respectively fixedly connected with the wall concrete layers on the corresponding sides, bottom plate additional steel bars are arranged or not arranged in the bottom plate concrete layer, the bottom plate additional steel bars are positioned on the reinforced trusses of the bottom plate panel and are fixedly connected in the bottom plate concrete layer to form upper steel bars in the bottom plate concrete layer, and the panel of the reinforced truss fixed template used as the bottom plate bottom fixed template forms a permanent template of the corresponding bottom plate, the reinforcing mesh of the reinforcing truss fixing template used as the bottom fixing template of the bottom plate and the reinforcing truss form the reinforcing steel in the corresponding bottom plate concrete layer.

Preferably, the lower end part and the upper end part of the outer side wall body fixing template of the outer wall body are respectively used as concrete pouring side molds of the bottom plate and the top plate, the lower end edge of the panel of the outer side wall body fixing template of the outer wall body is adjacent to the corresponding side edge of the panel of the corresponding bottom plate bottom fixing template, and the upper end edge extends to the top surface of the top plate concrete layer.

The lower end edges of the panels of the wall body fixed templates on the two sides of the inner wall body fixed template of the outer wall body can be positioned above the steel bar truss of the bottom fixed template of the bottom plate or the bottom additional steel bars of the bottom fixed template of the bottom plate, preferably contact with the steel bar truss of the bottom fixed template of the bottom plate or the bottom additional steel bars of the bottom fixed template of the bottom plate, are supported on the steel bar truss of the bottom fixed template of the bottom plate or the bottom additional steel bars of the bottom fixed template of the bottom.

The upper end edge of the panel of the inner wall fixing formwork of the outer wall is preferably adjacent to the corresponding side edge of the panel of the top plate bottom fixing formwork at the corresponding position.

The reinforcing mesh of the wall body fixing template of the outer wall body and the two end parts of the reinforcing truss can be respectively distributed in a staggered mode or vertically abutted with the corresponding ends of the reinforcing mesh and the reinforcing truss of the bottom fixing template of the bottom and the bottom fixing template of the top plate.

When the partition wall is arranged, the lower end edges of the panels of the wall fixing templates on the two sides of the partition wall can be positioned above the steel bar trusses of the bottom fixing template of the bottom plate or the bottom additional steel bars of the bottom plate, preferably contact with the steel bar trusses of the bottom fixing template of the bottom plate or the bottom additional steel bars, are supported on the steel bar trusses of the bottom fixing template of the bottom plate or the bottom additional steel bars of the bottom plate, and are poured into a bottom concrete layer.

The upper end edges of the panels of the wall body fixing templates on the two sides of the partition wall body are preferably adjacent to the corresponding side edges of the panels of the top plate bottom fixing templates at the corresponding parts.

The two ends of the reinforcing mesh and the reinforcing truss of the wall body fixing template of the partition wall body can be respectively and mutually staggered or vertically abutted with the corresponding ends of the reinforcing mesh and the reinforcing truss of the bottom fixing template and the bottom fixing template of the top plate.

Preferably, a gap is left between the steel mesh of the steel bar truss fixed template and the steel bar truss and the panel.

Preferably, the reinforcing mesh in the reinforcing template of the steel bar truss is located between the steel bar truss and the panel, a spacer block for limiting the distance between the reinforcing mesh and the panel is arranged between the reinforcing mesh and the panel, the spacer block is arranged between the lower chord of the steel bar truss and the panel, and the number of the spacer blocks between the same lower chord and the panel is usually multiple.

Preferably, the reinforcing mesh of the reinforcing mesh fixed template of the steel bar truss is formed by connecting a plurality of longitudinal reinforcing bars and a plurality of transverse reinforcing bars, the longitudinal reinforcing bars on the same reinforcing mesh are positioned on the same plane and are parallel to each other, the transverse reinforcing bars are positioned on the same plane and are parallel to each other, and the transverse reinforcing bars of the reinforcing mesh are positioned on the near panel side of the longitudinal reinforcing bars and are in contact with the lower chord bars of the steel bar truss.

The steel bar trusses can be generally arranged longitudinally, the lower chord bars of the steel bar trusses are positioned on the near panel side of the upper chord bars of the steel bar trusses and are parallel to the longitudinal steel bars of the steel bar nets, the number of the steel bar trusses in the steel bar truss fixing template is one or more, and when the number of the steel bar trusses is more, the steel bar trusses are parallel to each other.

When a cushion block for limiting the distance between the reinforcing mesh and the panel is arranged between the reinforcing mesh and the panel, the side surface of the reinforcing mesh of the cushion block is preferably provided with a transverse reinforcing steel bar positioning groove, and the transverse reinforcing steel bar is arranged on the transverse reinforcing steel bar positioning groove on the cushion block contacted with the transverse reinforcing steel bar positioning groove.

Preferably, in the reinforcing steel bar truss fixing formwork, the reinforcing steel bar mesh, the reinforcing steel bar truss and the panel may be fixedly connected in any one of the following manners:

the steel bar truss is fixedly connected with the panel through a connecting piece; or,

when a cushion block for limiting the distance is arranged between the reinforcing mesh and the panel, the reinforcing steel bar truss is fixedly connected with the cushion block through a connecting piece, and the cushion block is fixedly connected to the panel.

The connector may be any one of the following:

the connecting piece is an inverted V-shaped connecting piece and is used for realizing the fixed connection between the steel bar truss and the panel or the fixed connection between the steel bar truss and the cushion block, the inverted V-shaped connecting piece is inverted V-shaped and is buckled on the corresponding steel bar truss, and two support legs at the bottom of the inverted V-shaped connecting piece are respectively and fixedly connected to the panel or the corresponding cushion block;

the connecting piece is a U-shaped connecting piece or a C-shaped connecting piece and is used for realizing the fixed connection of the steel bar truss and the cushion block, the U-shaped connecting piece is provided with a left clamping plate and a right clamping plate which are symmetrical to each other, the left clamping plate and the right clamping plate are connected to an integrated base or an independent base used as the cushion block, and the left clamping plate and the right clamping plate are respectively clamped at the transverse outer sides of the lower chord bars at the corresponding sides of the steel bar truss; the C-shaped connecting piece comprises a left connecting piece and a right connecting piece which are symmetrical to each other, the C-shaped connecting pieces of the two forms are used in a matched mode, the left connecting piece and the right connecting piece are respectively provided with single-side clamping plates on respective corresponding sides, the single-side clamping plates are connected to an integrated base or an independent base, the integrated base and the cushion block are integrated, the independent base is an independent piece and is fixedly connected to the cushion block, the left connecting piece and the right connecting piece are alternately arranged in the vertical direction or are symmetrically arranged, and the single-side clamping plates of the left connecting piece and the right connecting piece are respectively clamped on the transverse outer sides of lower chord ribs on the corresponding sides of the steel bar truss.

Preferably, the wall body formwork fixing plates are formed by arranging a plurality of steel bar truss formwork fixing plates along the length direction of the pipe gallery, the steel bar truss formwork fixing plates on two sides of the wall body are symmetrically arranged, the steel bar truss formwork fixing plates opposite to the two sides are equal in size, and a gap is reserved between the steel bar truss formwork fixing plates transversely adjacent to each other on the same side.

The connection parts of the transversely adjacent steel bar truss fixed templates on the wall body form a straight-line-shaped node of the wall body, a straight-line-shaped steel bar connection frame is preferably arranged in the wall body of the straight-line-shaped node and comprises connection side vertical steel bars and stirrups, the vertical projections of the stirrups are rectangular, the connection side vertical steel bars are respectively positioned at four corners of the rectangular vertical projections of the stirrups and are fixedly connected with the stirrups, the straight-line-shaped steel bar connection frame is fixedly connected in a concrete layer of the wall body, the left and right parts in the transverse direction of the straight-line-shaped steel bar connection frame respectively form two rectangular connection parts in the corresponding direction, and each rectangular connection part respectively extends to the space between steel wire meshes of the steel bar truss fixed templates on the two sides of the wall body in the corresponding;

when a T-shaped wall body exists, a T-shaped steel bar connecting frame is preferably arranged in the wall body corresponding to the T-shaped node, the T-shaped steel bar connecting frame is T-shaped and comprises three rectangular connecting parts distributed in a T shape, concealed column vertical steel bars distributed at four corners of the same rectangle are arranged at the intersection parts of the three rectangular connecting parts, connecting side vertical steel bars distributed at two corners of the end part of each rectangular connecting part are arranged at the outer end of each rectangular connecting part, the connecting side vertical reinforcing steel bars and the hidden column vertical reinforcing steel bars are connected into a whole through corresponding stirrups, the vertical projections of the stirrups are rectangular and respectively hooped on the corresponding connecting side vertical reinforcing steel bars, the hidden column vertical reinforcing steel bars or the connecting side vertical reinforcing steel bars and the hidden column vertical reinforcing steel bars, the T-shaped steel bar connecting frames are fixedly connected in a concrete layer of the wall body, and each rectangular connecting part extends to a position between steel wire meshes of steel bar truss fixing templates on two sides of the wall body in the corresponding direction of the T-shaped node;

when an L-shaped wall body exists, an L-shaped steel bar connecting frame is preferably arranged in the wall body corresponding to the L-shaped node, the L-shaped steel bar connecting frame is L-shaped and comprises two rectangular connecting parts which are distributed in an L shape, concealed column vertical steel bars which are distributed at four corners of the same rectangle are arranged at the intersection part of the two rectangular connecting parts, the outer end of each rectangular connecting part is provided with connecting side vertical steel bars which are distributed at two corners of the end part of each rectangular connecting part, the connecting side vertical reinforcing steel bars and the hidden column vertical reinforcing steel bars are connected into a whole through corresponding stirrups, the vertical projections of the stirrups are rectangular and are respectively hooped on the corresponding connecting side vertical reinforcing steel bars and hidden column vertical reinforcing steel bars or the hidden column vertical reinforcing steel bars, the L-shaped steel bar connecting frames are fixedly connected in a concrete layer of the wall body, and each rectangular connecting part extends to a position between steel wire meshes of steel bar truss fixing templates on two sides of the wall body in the corresponding direction of the L-shaped node;

when the cross-shaped wall body exists, the cross-shaped steel bar connecting frame is preferably arranged in the wall body of the corresponding cross-shaped node, the cross-shaped steel bar connecting frame is cross-shaped and comprises four rectangular connecting parts which are distributed in a cross shape, hidden column vertical steel bars which are distributed at four corners of the same rectangle are arranged at the intersection parts of the four rectangular connecting parts, the outer end of each rectangular connecting part is provided with connecting side vertical steel bars which are distributed at two corners of the end part of each rectangular connecting part, the connecting side vertical reinforcing steel bars and the hidden column vertical reinforcing steel bars are connected into a whole through corresponding stirrups, the vertical projections of the stirrups are rectangular and respectively hooped on the corresponding connecting side vertical reinforcing steel bars, the hidden column vertical reinforcing steel bars or the connecting side vertical reinforcing steel bars and the hidden column vertical reinforcing steel bars, the cross-shaped steel bar connecting frame is fixedly connected in a concrete layer of the wall body, and each rectangular connecting part extends to the position between the steel wire meshes of the steel bar truss fixing templates on the two sides of the wall body in the corresponding direction of the cross-shaped node.

Under the condition that the corresponding steel bar connecting frames (such as the straight steel bar connecting frames and the like) are arranged at the nodes, two ends of the transverse steel bars in the steel bar mesh of the steel bar truss fixing template do not exceed the corresponding end edges of the panels, so that the steel bar truss fixing template is convenient to store, transport and install on site.

When the node is not provided with the corresponding steel bar connecting frame, the two ends of the transverse steel bar in the steel bar mesh of the steel bar truss reinforcing template can exceed the corresponding end edges of the panel to form the connecting steel bar at the connecting part.

A construction method of a formwork-disassembly-free concrete single-cabin pipe gallery or multi-cabin pipe gallery comprises the following construction steps:

A) the bottom plate construction comprises the following steps:

1) setting a bottom plate concrete pouring template: fixedly arranging a bottom plate bottom fixed template on a foundation, or directly taking the arranged foundation as the bottom surface for pouring bottom concrete without arranging the bottom plate bottom fixed template, supporting a bottom plate side mold, wherein the bottom plate bottom fixed template adopts a steel bar truss fixed template, a steel bar truss of the bottom plate bottom fixed template faces upwards, and a panel is positioned below the steel bar truss;

2) setting a bottom plate steel bar: under the condition that a bottom plate bottom fixed template is not arranged, bottom plate steel bars are configured, and under the condition that the bottom plate bottom fixed template is arranged, bottom plate additional steel bars are arranged or not arranged on the steel bar truss of the bottom plate bottom fixed template according to design requirements;

3) pouring bottom plate concrete: pouring bottom plate concrete in the bottom plate template,

B) the wall construction comprises the following steps:

1) setting a wall concrete pouring template: erecting wall fixing templates on two sides of a wall, wherein the wall fixing templates adopt steel bar truss fixing templates, the face plate of the wall fixing template faces outwards, and the steel bar truss faces inwards;

2) fixing the wall formwork: performing tie fixing on the wall fixing templates at two sides;

3) pouring wall concrete: concrete is poured between the wall body fixed templates at two sides of the wall body, the pouring of the wall body concrete can be carried out before the top plate concrete is poured, or can be poured together with the top plate concrete, the wall body concrete and the bottom plate concrete are poured into a whole,

the walls comprise outer wall walls on two sides of the pipe gallery and also comprise or not comprise partition wall walls,

C) the roof construction comprises the following steps:

1) setting a top plate concrete pouring template: the method comprises the following steps of arranging a top plate bottom die supporting system, erecting a top plate bottom fixed template, erecting a top plate side die, wherein the top plate bottom fixed template adopts a steel bar truss fixed template, a steel bar truss of the steel bar truss is upward, and a panel of the steel bar truss is downward;

2) setting top plate steel bars: according to design requirements, arranging or not arranging top plate additional steel bars on the steel bar truss of the fixed template at the bottom of the top plate;

3) pouring top plate concrete; pouring top plate concrete in the top plate template, wherein the top plate concrete and the wall concrete are integrally built,

D) concrete curing: and (5) curing the cast-in-place concrete according to the requirement.

Preferably, the reinforcing steel bar truss fixing template comprises a panel, and a reinforcing steel bar net and a reinforcing steel bar truss which are positioned on one side of the panel, the reinforcing steel bar net, the reinforcing steel bar truss and the panel of the reinforcing steel bar truss fixing template are fixedly connected into a whole,

preferably, the steel bar truss fixed formwork used as the wall fixed formwork is vertically arranged, and the steel bar truss fixed formwork used as the top plate bottom fixed formwork and the bottom plate bottom fixed formwork is transversely arranged.

Preferably, the outer wall body fixed formwork of the outer wall body is erected before the bottom plate concrete layer is poured, the lower portion of the outer wall body fixed formwork of the outer wall body is used as a bottom plate side formwork of the corresponding side, the panel of the outer wall body fixed formwork extends to the outer side of the bottom plate concrete layer pouring area, the bottom edge of the panel is adjacent to the corresponding side edge of the panel of the bottom plate fixed formwork, the upper portion of the outer wall body fixed formwork of the outer wall body is used as a top plate side formwork of the corresponding side, the panel of the outer wall body fixed formwork extends to the outer side of the top plate concrete layer pouring area, and the top edge of the panel extends to the top surface of.

Preferably, the connecting parts of the transversely adjacent wall body fixing templates on the wall body form a straight-line-shaped node of the wall body, a straight-line-shaped reinforcing steel bar connecting frame is arranged at the straight-line-shaped node of the wall body, the straight-line-shaped reinforcing steel bar connecting frame is firstly installed in place before the wall body fixing templates at the node part are erected, so that two rectangular connecting parts of the straight-line-shaped reinforcing steel bar connecting frame are respectively arranged between the steel wire meshes of the wall body fixing templates on the two sides of the wall body in the corresponding direction of the node,

when a T-shaped wall body exists in the wall body, a T-shaped node steel bar connecting frame is arranged at a node of the T-shaped wall body, the T-shaped node steel bar connecting frame is installed in place before adjacent wall body fixed formworks are erected, three rectangular connecting parts of the T-shaped node steel bar connecting frame are respectively arranged between steel wire meshes of the wall body fixed formworks at two sides of the wall body in the corresponding direction of the node,

when an L-shaped wall body exists in the wall body, an L-shaped node steel bar connecting frame is arranged at a node of the L-shaped wall body, the L-shaped node steel bar connecting frame is installed in place before adjacent wall body fixed formworks are erected, two rectangular connecting parts of the L-shaped node steel bar connecting frame are respectively arranged between steel wire meshes of the wall body fixed formworks at two sides of the wall body in the corresponding direction of the node,

when a cross-shaped wall body exists in the wall body, a cross-shaped node steel bar connecting frame is arranged at a node of the cross-shaped wall body, the cross-shaped node steel bar connecting frame is installed in place before adjacent wall body fixed formworks are erected, so that four rectangular connecting parts of the cross-shaped node steel bar connecting frame are respectively arranged between steel wire meshes of the wall body fixed formworks at two sides of the wall body in the corresponding direction of the node,

in the step of fixing the wall body formwork, corresponding steel bar connecting frames which are positioned between the steel wire meshes of the two side wall body fixing formworks are used as supporting pieces to limit the distance between the two side wall body fixing formworks, the width of each rectangular connecting part is not more than the distance between the steel wire meshes of the two side wall body fixing formworks at the corresponding position, each side rectangular connecting part of the same steel bar connecting frame is supported between the steel wire meshes of the inner and outer side wall body fixing formworks at the corresponding side wall body of the node respectively, and when the thickness of each rectangular connecting part is less than the distance between the steel wire meshes of the two side wall body fixing formworks at the corresponding position, additional supporting pieces are.

The invention has the beneficial effects that: because the wall body, the top plate and the bottom plate can adopt the steel bar truss fixed templates as permanent templates, the arrangement and binding of wall body steel bars which are complex in operation and easy to cause artificial quality problems in the prior art are omitted, and the templates are simple and convenient to support and do not need to be demoulded; the surfaces of the two sides of the wall body and the bottom surface of the top plate are both formed by the panels of the steel bar truss plates, the surface is smooth, and surface protection treatment and decoration are easy to perform; the reinforcing steel bar truss fixing template and all components thereof can be manufactured in a factory, so that the automation degree and the production efficiency are high, and the product quality and the processing precision are far higher than those of field manual operation; the reinforcing steel bar truss formwork has good integrity, is convenient to hoist, has relatively low support requirement, is beneficial to reducing operation tools and auxiliary facilities, and is beneficial to reducing the requirement of an operation field; the weight of the steel bar truss fixing template is far lower than that of a precast concrete member, and the steel bar truss fixing template can be transported by a common transport vehicle, so that the transportation amount is reduced, and the interference caused by the transportation of special vehicles to urban traffic is avoided; each part structure all adopts cast-in-place concrete structure, and is adapted to the monolithic and pours, is favorable to improving pipe gallery bulk strength and seepage prevention performance.

Drawings

FIG. 1 is a schematic view of a cross-sectional configuration of a single-compartment piping lane;

FIG. 2 is a schematic view of a cross-sectional configuration of a multi-compartment (dual-compartment) pipe rack;

FIG. 3 is a schematic top sectional view of a wall with a horizontal node;

FIG. 4 is a schematic view of a T-shaped wall construction;

FIG. 5 is a schematic view of the construction of an L-shaped wall;

FIG. 6 is a schematic diagram of the construction of a cruciform wall;

fig. 7 is a schematic view of a reinforcing bar truss fixing template;

FIG. 8 is a schematic view A-A corresponding to FIG. 7;

FIG. 9 is a schematic view B-B corresponding to FIG. 7;

fig. 10 is a partial enlarged view of C corresponding to fig. 9;

FIG. 11 is a schematic view of an inverted V-shaped connector in relation to the connection configuration;

FIG. 12 is a schematic view of the relevant connection configuration of the U-shaped connector;

FIG. 13 is a schematic view of a U-shaped connector configuration;

FIG. 14 is a schematic view showing a structural comparison of two C-shaped connectors (a positive C-shaped connector and a negative C-shaped connector) which are symmetrical left and right.

Detailed Description

Referring to fig. 1-2, the tube lane may be a single-compartment tube lane (shown in fig. 1) or a multi-compartment tube lane (shown in fig. 2). When being the individual chamber piping lane, not set up the partition wall in the piping lane, when being many cabins piping lane, be equipped with the partition wall in the piping lane.

The pipe gallery comprises wall body, bottom plate, roof, will link as an organic whole each other.

The wall body of piping lane includes the outer wall body, when being equipped with the partition wall, still includes the partition wall body. The outer wall body, the top plate and the bottom plate are enclosed into a closed pipeline shape, and the cross section of the closed pipeline shape is generally rectangular. The partition wall body (if have, the same below) is parallel with outer wall body, separates the inner space of piping lane for a plurality of regions, forms many cabins piping lane.

The wall body is of a cast-in-place reinforced concrete structure, and the top plate and the bottom plate are preferably of the cast-in-place reinforced concrete structure, and can be constructed in other construction modes or other structures according to design and construction requirements, for example, a prefabricated part splicing structure or other prior art.

When a cast-in-place reinforced concrete structure is adopted (as shown in fig. 1 and 2), the reinforced truss fixed formworks are used as permanent formworks at two sides of a wall body and a permanent formwork at the bottom of a bottom plate (if the reinforced truss fixed formworks are adopted, the same below) or a permanent formwork at the bottom of a top plate (if the reinforced truss fixed formworks are adopted, the same below), the steel bars of the reinforced truss fixed formworks form steel bars in a corresponding building structure, and the panels of the reinforced truss fixed formworks form a wall surface or the bottom surface of the top plate and the.

The wall body is including the outer wall body who is located the piping lane both sides, outer wall body's top and bottom respectively with the corresponding side of bottom plate and roof is connected, and its wall body concrete layer's upper and lower both ends concreties as an organic wholely with bottom concrete layer and top concrete layer, forms concrete overall structure. To many cabins piping lane, the wall body still includes the partition wall body, the partition wall body is located between the outer wall body of both sides, its top and top respectively with being connected of bottom plate and roof, the upper and lower both ends and bottom concrete layer and the concretion of top concrete layer of its wall body concrete layer are as an organic whole, form concrete overall structure.

The outer wall body is of a cast-in-place reinforced concrete structure and mainly comprises wall body fixing templates positioned on two sides of the wall body and a wall body concrete layer poured in a space 180 between the wall body fixing templates on the two sides, the wall body fixing templates adopt reinforced truss fixing templates,

panels

1110 and 2110 of the wall body fixing templates face the outer sides of the wall body, reinforced

trusses

1130 and 2130 face the inner sides of the wall body, and reinforced

meshes

1120 and 2120 on the wall body fixing templates and the reinforced trusses are fixedly connected in the wall body concrete layer.

The partition wall body is of a cast-in-place reinforced concrete structure and mainly comprises wall body fixing templates positioned on two sides of the wall body and a wall body concrete layer poured between the wall body fixing templates on the two sides, the wall body fixing templates are reinforced truss fixing templates, a panel 5110 of each wall body fixing template faces the outer side of the wall body, a reinforced truss 5130 faces the inner side of the wall body, and a reinforced mesh 5120 and the reinforced truss on each wall body fixing template are fixedly connected in the wall body concrete layer.

The bottom plate adopting the cast-in-place reinforced concrete structure is preferably mainly composed of a bottom plate bottom fixed template and a bottom plate concrete layer poured on the bottom plate bottom fixed template, the bottom plate bottom fixed template is preferably a reinforced truss fixed template, a reinforced mesh 4120 and a reinforced truss 4130 of the bottom plate bottom fixed template are positioned on a panel 4110 of the bottom plate bottom fixed template and are fixedly connected in the bottom plate concrete layer, and two sides of the bottom plate concrete layer are respectively fixedly connected with the wall concrete layers on the corresponding sides.

And according to the requirement, the bottom plate concrete layer is also provided with or not provided with bottom plate additional steel bars, and the bottom plate additional steel bars are positioned on the steel bar truss of the bottom plate bottom fixed template and are fixedly solidified in the bottom plate concrete layer to form upper-layer steel bars in the bottom plate concrete layer.

When the top plate is of a cast-in-place reinforced concrete structure, the top plate mainly comprises a top plate bottom fixed template and a top plate concrete layer poured on the top plate bottom fixed template, the top plate bottom fixed template adopts a reinforced truss fixed template, a reinforced mesh 3120 and a reinforced truss 3130 of the top plate bottom fixed template are positioned on a panel 3110 of the top plate bottom fixed template and are fixedly connected in the top plate concrete layer, and two sides of the top plate concrete layer are respectively fixedly connected with the wall body concrete layers on the corresponding sides.

According to the requirement, the top plate concrete layer is also provided with or not provided with top plate additional steel bars, and the top plate additional steel bars are positioned on the steel bar truss of the top plate bottom fixed template and are fixedly solidified in the top plate concrete layer to form upper-layer steel bars in the top plate concrete layer.

The steel bar truss fixing formwork is used as a permanent formwork on the corresponding surface of a wall body or a top plate and a bottom plate, steel bars and formworks which need to be arranged on a construction site originally are manufactured into a whole in a factory, the production efficiency is high, the quality is good, and the field use is also very convenient. After the wall is built, the panels in the fixed formwork do not need to be dismantled, and decoration or related structure arrangement can be carried out on the basis of the panels positioned on the surface of the wall.

Referring to fig. 3-6, in the wall body, gaps 118 are preferably left between the steel bar truss fixed formworks which are laterally adjacent (adjacent in the extending direction of the pipe gallery) on the same side to serve as expansion joints and facilitate field assembly, in which case, the connection modes between the panels of the adjacent steel bar truss fixed formworks and between the transverse steel bars are butt joints with the gaps left.

The spacing between the lateral adjacent panels on the same side is usually not more than 10mm, and expansion joint gaskets and the like can be arranged according to the prior art. In order to pour concrete, the gap is only needed to be attached by using an adhesive tape, and a template is not needed to be additionally arranged.

The connecting parts of the transversely adjacent steel bar truss fixing templates form a linear node (see fig. 3) of the wall body, and a linear steel bar connecting frame can be arranged in the wall body of the linear node generally so as to ensure the connecting strength of the wall bodies on two sides of the node.

The I-shaped steel bar connecting frame comprises connecting side vertical steel bars 211 and stirrups 212, the vertical projections of the stirrups are rectangular, the connecting side vertical steel bars are respectively located at four corners of the rectangular vertical projections of the stirrups and are fixedly connected with the stirrups, and therefore a steel bar frame structure with a rectangular columnar outline is formed, and field operation is facilitated.

The stirrup can be rectangular ring-shaped, and the quantity is a plurality of, distributes from top to bottom, perhaps the stirrup also can be the rectangle heliciform to conveniently carry out machining in the mill.

The I-shaped steel bar connecting frame is fixedly connected in a concrete layer of the wall body.

The left and right parts of the horizontal linear steel bar connecting frame respectively form two rectangular connecting parts in the corresponding direction, each rectangular connecting part respectively extends to the space between the steel wire meshes of the steel bar truss fixed templates on the two sides of the wall body in the corresponding direction of the connecting node, and the length of the transverse overlapping of the rectangular connecting parts and the corresponding steel wire meshes is according to the specific connecting requirement, for example, the length can be 300mm under the common condition.

When a T-shaped wall exists, a T-shaped steel bar connecting frame (see fig. 4) can be generally arranged in the wall corresponding to the T-shaped node; when an L-shaped wall exists, an L-shaped steel bar connecting frame (see fig. 5) can be generally arranged in the wall corresponding to the L-shaped node; when a cross-shaped wall body exists, a cross-shaped steel bar connecting frame (see fig. 6) can be arranged in the wall body of the corresponding cross-shaped node. The steel bar connecting frames are similar to the straight-line-shaped steel bar connecting frames, the form of an integral steel bar frame which is connected into a whole is preferably adopted so as to facilitate field operation, the shape of the steel bar connecting frames is similar to that of the wall body of the node, the steel bar connecting frames can be divided into a plurality of rectangular connecting parts according to the specific shape, and the rectangular connecting parts respectively correspond to and extend into the wall body on each side of the node, so that the steel bar connection of the node part is realized.

The T-shaped steel bar connecting frame is T-shaped (see figure 4), and comprises three rectangular connecting parts distributed in a T shape, hidden column vertical steel bars 225 distributed at four corners of the same rectangle are arranged at the intersection parts of the three rectangular connecting parts, connecting side vertical steel bars 222 distributed at two corners of the end part of each rectangular connecting part are arranged at the outer ends of the three rectangular connecting parts, the connecting side vertical steel bars and the hidden column vertical steel bars are connected into a whole through corresponding stirrups 221, the vertical projections of the stirrups are rectangular and are respectively hooped on the corresponding connecting side vertical steel bars, the hidden column vertical steel bars or the connecting side vertical steel bars and the hidden column vertical steel bars, the T-shaped steel bar connecting frame is fixedly connected in a concrete layer of a wall body, each rectangular connecting part respectively extends to the steel wire meshes of the truss steel bar fixing templates at two sides of the wall body in the corresponding direction of the T-shaped node, and the transverse overlapping length of the rectangular connecting parts and the corresponding steel bar meshes is, for example, it may typically be 300 mm.

The L-shaped steel bar connecting frame is L-shaped (see figure 5), and comprises two L-shaped rectangular connecting parts, hidden column vertical steel bars 235 distributed at four corners of the same rectangle are arranged at the intersection parts of the two rectangular connecting parts, connecting side vertical steel bars 231 distributed at two corners of the end part of each rectangular connecting part are arranged at the outer ends of the rectangular connecting parts, the connecting side vertical steel bars and the hidden column vertical steel bars are connected into a whole through corresponding stirrups 232, the vertical projections of the stirrups are rectangular and are respectively hooped on the corresponding connecting side vertical steel bars and the hidden column vertical steel bars or respectively hooped on the hidden column vertical steel bars, the L-shaped steel bar connecting frame is fixedly connected in a concrete layer of a wall body, each rectangular connecting part respectively extends to the steel wire meshes of steel bar truss fixed templates at two sides of the wall body in the corresponding direction of the L-shaped node, and the transverse overlapping length of the rectangular connecting parts and the corresponding steel bar meshes is according to the specific connection, for example, it may typically be 300 mm.

The cross-shaped steel bar connecting frame is cross-shaped (see figure 6), and comprises four rectangular connecting parts which are distributed in a cross shape, hidden column vertical steel bars 245 which are distributed at four corners of the same rectangle are arranged at the intersection parts of the four rectangular connecting parts, connecting side vertical steel bars 241 which are distributed at two corners of the end part of each rectangular connecting part are arranged at the outer ends of the rectangular connecting parts, the connecting side vertical steel bars and the hidden column vertical steel bars are connected into a whole through corresponding stirrups 242, the vertical projections of the stirrups are rectangular and are respectively hooped on the corresponding connecting side vertical steel bars, the hidden column vertical steel bars or the connecting side vertical steel bars and the hidden column vertical steel bars, the cross-shaped steel bar connecting frame is fixedly connected in a concrete layer of a wall body, each rectangular connecting part respectively extends to the steel wire meshes of truss steel bar fixing templates at two sides of the wall body in the corresponding direction of the cross-shaped node, and the length of the rectangular connecting parts which are transversely overlapped with, for example, it may typically be 300 mm.

Each stirrup on the steel bar connecting frame can be rectangular ring-shaped, hoops outside the corresponding vertical steel bars, and the number of the stirrups is a plurality of, and the stirrups are arranged in an upper-lower layered manner and also can be rectangular spiral and wound outside the corresponding vertical steel bars. Corresponding stirrups can be provided according to the prior art on the relevant vertical reinforcement.

The combination mode of stirrup and relevant vertical reinforcement can be confirmed according to prior art, for example, to T type, L type and cross steel bar connection frame, can be in the same place the vertical reinforcing bar of connection side and the vertical reinforcing bar of camera obscura of each rectangle connecting portion with the stirrup respectively, and through these connections, realize that steel bar connection frame's monolithic stationary and camera obscura vertical reinforcing bar's interconnect is fixed, to a style of calligraphy node, can regard as not setting up the camera obscura, only set up the vertical reinforcing bar of connection side that is located each side wall body, do not have camera obscura vertical reinforcing bar, its stirrup is wherein with each side rectangle connecting portion's vertical reinforcing bar hoop simultaneously.

In consideration of the need for concrete casting, the exposed wall surface 187 (outside of the wall surface without the steel bar truss formwork panel) at the node of the T-shaped wall body and the L-shaped wall body corresponding to the T-shaped steel bar connecting frames and the L-shaped steel bar connecting frames can be provided with corresponding detachable formworks or permanent formworks according to the prior art, or the permanent formworks capable of being butted with the corresponding steel bar truss formwork are fixedly installed on the corresponding side surfaces of the corresponding steel bar connecting frames.

Referring to fig. 7 to 10, the reinforcing steel truss fixing template includes a face plate 110, a reinforcing steel truss 130, and a reinforcing mesh formed by connecting transverse reinforcing steel bars 121 (here, transverse to the reinforcing steel truss fixing template) and longitudinal reinforcing steel bars 122 (here, longitudinal to the reinforcing steel truss fixing template), and the face plate, the reinforcing mesh, and the reinforcing steel truss are fixedly connected as a whole and can be generally prepared in a factory.

When the concrete is used as a wall fixing template, the panel faces outwards, the steel bar trusses face inwards, after the wall concrete is poured into a space between the wall fixing templates at two sides, the steel bar trusses and the steel bar meshes of the wall fixing templates are fixedly connected in the wall concrete, steel bars (the steel bar meshes and the steel bar trusses, the same below) in the steel bar truss fixing templates form main steel bars in a wall structure, the thickness and the distribution density of the relevant steel bars can be selected according to needs to adapt to the requirements of the wall, and usually, no additional construction steel bars are required to be arranged at non-node positions of the wall structure.

Connecting steel bars can be arranged at the connecting parts between the steel bar truss solid templates as required, and the steel bar connecting frames which are respectively suitable for various nodes are preferably adopted.

When the steel bar net is used as a bottom plate bottom fixed template and a top plate bottom fixed template, the panel is arranged below, the steel bar truss is arranged above the steel bar truss, corresponding additional steel bars can be arranged or not arranged on the steel bar truss according to requirements, a bottom plate concrete layer or a top plate concrete layer is poured to fixedly bond the steel bar net and the steel bar truss of the bottom plate bottom fixed template or the top plate bottom fixed template and corresponding additional steel bars (bottom plate additional steel bars or top plate additional steel bars, if any, the same below) in the steel bar truss fixed template, and the steel bars in the steel bar truss fixed template and the corresponding additional steel bars form steel bars in the bottom plate or the fixed plate.

The reinforcing mesh of the reinforcing truss fixing template and the reinforcing truss are spaced apart from the face plate, and the spacing is supported and limited by the spacers 140, so that the effective concrete protection layer thickness is formed on the outer sides of the reinforcing mesh and the reinforcing truss, the reinforcing mesh and the reinforcing truss are protected, and the reinforcing bar is wrapped by the effective concrete protection layer even if the partial face plate is removed.

The steel bar truss solid formwork is not provided with a precast concrete layer, particularly is not provided with a precast concrete layer for the strength of the panel, so that the influence of storage and transportation and field installation due to overlarge weight is avoided, and corresponding equipment, process and time and space required by concrete curing are not required to be increased due to precast concrete. The production equipment and the process required for manufacturing the reinforcing steel bar truss fixed template are conventional machining equipment and process, and can be well suitable for factory production.

According to actual needs, an interface layer, an oxygen-isolating fireproof layer or an anticorrosive layer and the like can be sprayed on the steel bar truss fixing template, particularly the inner side surface of the panel.

The panel preferably adopts non-metal plate, also can adopt other materials or metal non-metal composite board. The non-metal panel can adopt a proper existing wall panel for building or other panels which are suitable for being machined and can be used as a wall surface to meet the texture requirement of people on the wall surface, preferably also can be suitable for machining, and is beneficial to realizing mechanical and automatic machining.

For example, the panel can be made by taking wood flour or other biomass fine granular/powdery materials as a main raw material or one of the main raw materials, mixing the wood flour or other biomass fine granular/powdery materials with an inorganic material with binding capacity, and solidifying the mixture by a proper mode such as natural solidification or heating solidification to form a corresponding non-metal plate. Such non-metallic panels generally have suitable strength, do not deform, are suitable for machining such as cutting, punching and the like, and such panels used in construction in the background of the prior art generally have good flame retardant properties.

The thickness of the panel should be such as to provide the corresponding strength and installation requirements for finishing or related facilities, structures.

The mesh reinforcement is preferably located between the steel bar truss and the face plate.

The longitudinal reinforcing bars on the same reinforcing mesh are preferably located on the same plane and parallel to each other, and the transverse reinforcing bars are preferably located on the same plane and parallel to each other.

The transverse bars of the mesh reinforcement are preferably located on the near-panel side of the longitudinal bars, and preferably contact the lower chord of the steel bar truss. In this case, the spacer blocks are usually only arranged between the transverse bars and the face plate, and further preferably, a plurality of spacer blocks are usually arranged between each transverse bar and the face plate, and some of the transverse bars and the face plate may not be arranged between the spacer blocks according to actual requirements.

The number of the reinforcing steel bar nets is set to be any number according to actual needs, the reinforcing steel bar nets are usually one layer, the reinforcing steel bar nets can be one independent net sheet, and also can be formed by mutually splicing a plurality of independent net sheets, and the number of the reinforcing steel bar trusses is set to be any number according to actual needs, and the number of the reinforcing steel bar trusses is usually a plurality of, for example, two, three or four.

When a cushion block for limiting the distance between the reinforcing mesh and the panel is arranged between the reinforcing mesh and the panel, the side surface of the reinforcing mesh of the cushion block is preferably provided with a transverse reinforcing steel bar positioning groove, and the transverse reinforcing steel bar is arranged on the transverse reinforcing steel bar positioning groove on the cushion block which is contacted with the transverse reinforcing steel bar positioning groove, so that the assembling and the fixing of the reinforcing mesh are facilitated.

The transverse reinforcing steel bar positioning groove can be a rectangular groove, an arc groove, a V-shaped groove, a U-shaped groove or any other suitable form. When rectangular, the depth of the groove should generally be no greater than the diameter of the transverse bar; in the case of a circular arc groove, the groove depth should generally not be greater than the radius of the transverse reinforcement. The transverse steel bars are arranged on the corresponding transverse steel bar positioning grooves, so that the transverse steel bars are conveniently positioned, and the steel bar mesh assembly in the production of the steel bar truss formwork is facilitated.

For any one spacer block, at least one transverse steel bar is pressed on the spacer block, the transverse steel bar pressed on the spacer block is embedded into the groove on the upper surface of the spacer block, and part of the transverse steel bar is exposed out of the groove and protrudes out of the surface of the spacer block, so that effective contact with the corresponding lower chord steel bar of the steel bar truss is ensured, and the transverse steel bar is loosened between the spacer block and the steel bar truss.

The reinforcing mesh in the reinforcing mesh fixing plate of the reinforcing truss is clamped between the reinforcing mesh and the cushion block, so that the reinforcing mesh is convenient to process in a factory, and transverse reinforcing steel bars and longitudinal reinforcing steel bars which form the reinforcing mesh can be welded into an integral reinforcing mesh so as to facilitate processing operation.

It is possible to make the transverse bars and the longitudinal bars in the reinforcing bar truss fixing form protrude from the corresponding ends of the panels as required, and the protruding portions 124 serve as connecting bars in the corresponding direction, and when the connecting bars in the direction are not required to be provided on the reinforcing bar truss fixing form, the transverse bars or the longitudinal bars in the direction do not extend, so that it is convenient to store, transport and construct on site.

The steel bar truss is generally arranged in a longitudinal direction (which refers to the longitudinal direction of the steel bar truss fixing template), and the lower chord of the steel bar truss is positioned on the near panel side of the upper chord and is parallel to the longitudinal steel bars of the steel bar mesh.

The number of the steel bar trusses in the steel bar truss fixing template is one or more, and the number can be set according to actual needs. When the number is a plurality, the steel bar trusses are parallel to each other.

The steel bar truss can adopt any appropriate prior art, generally, an upper chord rib 131, a lower chord rib 132 and a web rib 133 fixedly connected between the upper chord rib and the lower chord rib can be arranged, and the concrete shape can adopt any appropriate prior art, for example, in practice, a common steel bar truss is a triangular truss, the upper chord rib and the lower chord rib are distributed in a delta shape, the two sides of the common steel bar truss are respectively provided with the web rib connecting the upper chord rib and the lower chord rib at the corresponding side, the web ribs are roughly in a wave shape or a zigzag shape, the tops of the web ribs are welded on the upper chord rib, and the bottoms of the web ribs are welded on the lower chord rib at the corresponding side.

The lower chord steel bars in the steel bar truss are parallel to the longitudinal steel bars of the steel bar mesh and are not in contact with each other, and the longitudinal steel bars of the fixed template are formed together.

The steel bar truss can be arranged according to the specific conditions of the width, the stress and the like of the fixed template. When a plurality of steel bar trusses are arranged, the steel bar trusses are parallel to each other and have the same distance with the panel. In general, the steel bar trusses can be distributed at equal intervals.

The cushion blocks are preferably arranged at positions corresponding to the lower chord bars of the steel bar truss, and the number of the cushion blocks between the same lower chord bar and the panel is multiple.

The spacer may be secured to the panel in any suitable manner. For example, when a wood spacer is used, the spacer is preferably fastened to the panel by self-tapping screws 146 to facilitate machining, or other means such as bonding may be used to secure the spacer to the panel. Through the setting of cushion for form definite interval between reinforcing bar net and steel bar truss and the panel, the concrete of pouring is filled in this interval space, forms effectual concrete protective layer to the reinforcing bar, and specific thickness can be set for according to actual need.

The non-metal material used as the panel can also be used as a cushion block, and the cushion block of the material is easy to bond with the panel, is easy to open a slot and punch, can adapt to fastening of self-tapping screws and the like, has similar processability with the cushion block prepared from pure wood, and is not easy to absorb water and deform. For convenience of expression, panels or mats made of wood-based materials prepared in the manner described above will be collectively referred to as wood panels or wood mats.

The cushion block can also be made of plastics and other suitable materials, and when the cushion block is provided with a clamping structure for fixing the lower chord rib of the steel bar truss, the cushion block is easy to manufacture by adopting the plastic materials, and the use effect is ensured.

The cushion block is arranged between the lower chord rib of the steel bar truss and the panel in a cushioning mode, the transverse steel bars of the steel bar net are arranged between the lower chord rib of the steel bar truss and the cushion block and are arranged on the steel bar positioning grooves on the side surface of the far panel of the cushion block, and are partially or basically completely sunk into the corresponding steel bar positioning grooves.

The number of the cushion blocks arranged between the same lower chord rib and the panel of the same steel bar truss is a plurality, and the cushion blocks are regularly distributed at equal intervals or unequal intervals along the extension direction of the lower chord rib.

Referring to fig. 11-14, connectors may be used to securely connect the steel trusses to the face sheets. Or, the steel bar truss and the cushion block are firmly connected together, and meanwhile, the cushion block and the panel are reliably and fixedly connected. All the parts in the steel bar truss fixing template are fixedly connected into a whole so as to be convenient to carry and hoist on site and ensure that the positions of all the parts are unchanged.

The shape and distribution of the connectors may be any suitable known technique.

A preferred embodiment of the connector is an inverted V-shaped connector, which is fastened to the corresponding steel bar truss, and two legs 162 at the bottom of the connector are fastened to the panel 110 by self-tapping screws 166 or other suitable means, and may be fixed to the spacer, and the spacer is fixed to the panel, as needed, so that the steel bar truss, the reinforced concrete, the spacer, and the panel are fixed as a whole.

The inverted V-shaped connecting piece is specifically constructed as follows: the body portion, or generally inverted V or U shape, is provided with two side plates 161, the bottom ends of which are provided with feet 162, preferably in the form of outwardly extending plates, which may be provided with through holes for passing screws, and in use, the connector is fastened to the corresponding steel bar truss, and the two feet at the bottom are fastened to the panel by self-tapping screws 166 or other suitable means, respectively, so as to fasten the steel bar truss, the steel bar or steel bar mesh between the steel bar truss and the bottom, and the spacer between the steel bar truss and the panel to the panel. The connecting piece and the installation mode thereof can be very suitable for the automatic processing of the fixed template.

Another preferred embodiment of the connecting piece is a U-shaped connecting piece, the overall shape of the connecting piece is U-shaped, the connecting piece adopts a buckle type and is provided with two opposite clamping plates 171, the two clamping plates are arranged in an inclined manner, the upper part of the clamping plate is small in distance, the lower part of the clamping plate is large in distance, the top end of the clamping plate is provided with an inward hook 172, and the lower chord bars on the two sides of the steel bar truss are respectively clamped in the clamping plates on the corresponding sides.

The specific configuration of such a connector may be: the two clamping plates are elastic clamping plates and are fixedly connected to the clamping plate panel 175, the distance between the upper parts of the two clamping plates is small, the distance between the lower parts of the two clamping plates is large, the hook 171 at the top end extends inwards, the clamping plate panel is fixedly arranged on the corresponding cushion block 140, the two clamping plates can also be directly and fixedly arranged on the cushion block, and in this case, the clamping plate panel and the panel are integrated without clear boundaries. The lower chord ribs 131 on two sides of the steel bar truss are respectively clamped in the clamping plates on the corresponding sides and enter the groove-shaped areas 173 below the bent hooks on the top ends of the corresponding clamping plates, the connecting piece is installed on the corresponding cushion blocks in appropriate modes such as screw fastening and bonding to form the connecting assembly with the cushion blocks, the connecting assembly can be fastened on the panel through self-tapping screws 176, the lower chord ribs on two sides of the steel bar truss are aligned with the two clamping plates and put down, the top ends of the two clamping plates can be opened by means of the gravity of the steel bar truss and fall between the two clamping plates, the lower chord ribs enter the groove-shaped areas formed by the clamping plates and the bent hooks on the top of the clamping plates, the clamping plates clamp the steel bar truss from two sides of the lower chord ribs on two sides by means of the elasticity of the clamping plates, the inclination angle, the sizes of each part.

The clamping plate panel is provided with through holes for mounting screws, and self-tapping screws can be used for directly tapping corresponding through holes without presetting the through holes and fastening the cushion block on the panel. The head expanding groove for accommodating the screw can be arranged at the upper part of the through hole, a vertical long groove 174 covering the expanding section can also be arranged, the self-tapping screw is screwed in the long groove, and the head for accommodating the self-tapping screw is in a long groove form, so that the self-tapping screw can be screwed in any position in the vertical direction, and the position of the self-tapping screw (or fasteners such as other screws) can be more easily and flexibly arranged in the long groove form than the independent expanding groove form, so that the assembling operation is convenient.

The U-shaped connecting piece preferably adopts a cushion block and clamping plate integrated structure, a clamping plate part and a cushion block part are formed in one step, and the cushion block and clamping plate integrated structure can be used as a cushion block with a clamping structure.

Another preferred embodiment of the connecting piece is the C-shaped connecting piece, the overall structure of which is C-shaped, the C-shaped connecting piece is divided into two symmetrical C-shaped connecting pieces, the two symmetrical C-shaped connecting pieces are used in a matched manner, the two symmetrical C-shaped connecting pieces are equivalent to cutting the U-shaped connecting piece from the middle, and are divided into a left part and a right part, which are respectively in a positive C shape and a reverse C shape, and are respectively called as a left connecting piece and a right connecting piece, each connecting piece is only provided with a single-side clamping plate on the corresponding side, the two connecting pieces are respectively used for clamping the corresponding lower chord bars on the left side and the right side of the steel bar truss, and for the same steel bar truss, the left connecting piece and the right connecting piece can be symmetrically arranged, also.

The left connecting piece and the right connecting piece are preferably of a cushion block and clamping plate integrated structure, an integrated connecting piece with a cushion block function and a connecting piece function is formed, and the integrated connecting piece can be a metal piece, a plastic piece or other materials.

The cushion block and the connecting piece can be selected according to actual requirements to realize a required connection mode. For example, in the reinforcing steel bar truss fixing formwork, the fixing connection mode of the reinforcing steel bar mesh, the reinforcing steel bar truss and the panel can be as follows: the steel bar truss is fixedly connected with the panel through the connecting piece, and then the steel bar mesh and the cushion block are clamped between the steel bar truss and the panel to realize fixation. In this case, the panel, the spacer, the mesh reinforcement and the steel bar truss may not be fixedly connected to each other. However, the cushion block can be fixed on the panel by means of adhesion, screw fastening, nailing and the like, so that the assembling operation is convenient, and the connection strength and reliability of the steel bar truss fixing template are improved.

When the reinforcing mesh and the panel are provided with the cushion blocks for limiting the distance, the reinforcing mesh, the steel bar truss and the panel in the steel bar truss fixing template can be fixedly connected in the following mode: the steel bar truss is fixedly connected with the cushion block through the connecting piece, the cushion block is fixedly arranged on the panel, and then the steel bar mesh is clamped between the cushion block and the steel bar truss. Due to the clamping effect, especially due to the fact that the positioning grooves matched with the transverse steel bars are formed in the cushion blocks, the steel bar net is difficult to move after being clamped, and the steel bar net does not need to be fixed additionally.

Under the connection mode, the inverted V-shaped connecting piece can be used for realizing the fixed connection of the steel bar truss and the panel and also can be used for realizing the fixed connection of the steel bar truss and the cushion block.

The U-shaped connecting piece or the C-shaped connecting piece can be used for fixedly connecting the steel bar truss with the cushion block, the left connecting piece and the right connecting piece are preferably arranged alternately or symmetrically in the vertical direction, and the single-side clamping plates of the left connecting piece and the right connecting piece are respectively clamped on the transverse outer sides of the lower chord ribs on the corresponding sides of the steel bar truss.

The U-shaped connecting member or the C-shaped connecting member integrated with the spacer block may be regarded as a clamping structure on the spacer block for connecting the steel bar truss, and the spacer block may be regarded as a spacer block provided with the clamping structure.

In order to facilitate the manufacturing and storage processes and to facilitate the integrity of the steel bar truss, in the manufacturing process of the steel bar truss fixed template, the cushion block is usually firstly placed at a set position on the panel, the cushion block is fixed on the panel through self-tapping screw fastening, nailing, bonding and the like, then the steel bar mesh is placed on the cushion block, the corresponding transverse steel bar on the steel bar mesh is placed on the steel bar positioning groove of the corresponding cushion block, so that the laying and positioning of the steel bar mesh are facilitated, then the steel bar truss is placed on the steel bar mesh, the steel bar truss is fastened with the panel through a connecting piece, or the corresponding lower chord is fixed through a clamping plate/clamping groove structure on the cushion block, so that the steel bar truss fixed template is formed.

In the manufacturing process of the steel bar truss fixing template, the panel is generally horizontally placed below, and the cushion block, the steel bar mesh and the steel bar truss are sequentially placed from bottom to top.

In the manufacturing process of the steel bar truss fixed template, the longitudinal steel bars and the transverse steel bars are welded into a net and then assembled, so that the integrity of the steel bar net is improved, the steel bars are prevented from moving or separating, the automatic processing is facilitated, the actions of a processing machine are reduced, and the production efficiency is improved.

In the construction of the pipe gallery, the supporting position of the steel bar truss fixing template is according to the design requirement.

For the wall body, the distance between the panels of the wall body fixing templates on two sides forms the thickness of the reinforced concrete wall body, the steel bars in the steel bar truss fixing templates and the steel bars of the steel bar connecting frames at the nodes form main steel bars of the wall body, and no additional steel bars are required to be arranged except a small amount of connecting steel bars required under certain conditions, so that the field effect is greatly facilitated, and the edge members (if any, the same below) and interlayer connection of the wall body can be realized according to the prior art.

The steel bar connecting frames are arranged in the wall body at the transverse connecting position and supported between the steel bar meshes of the two side wall body fixing templates, the steel bar connecting frames can be used as supporting pieces between the two side wall body fixing templates for carrying out tie supporting to ensure the distance between the two side wall body fixing templates, cushion pieces can be arranged between the steel bar connecting frames and the steel bar meshes of the one side wall body fixing template or the two side wall body fixing templates to form the required distance if necessary, and the cushion pieces can adopt any suitable forms such as the existing cushion block form and the like and can be called as additional supporting pieces.

Generally, the steel bar connecting frames at the nodes of the wall body can be installed in place, and then the wall body fixing templates positioned on the outer sides of the steel bar connecting frames are installed.

According to the design requirement, a space which is usually smaller than 10mm is reserved between the panels of the adjacent wall fixing templates on the same side, the space can be used as an expansion joint and can facilitate installation operation, and after the fixing templates are installed and fixed, the fixing templates can be sealed from the space by using adhesive tapes or other suitable articles.

The transverse reinforcing steel bars of the reinforcing mesh on the reinforcing steel truss formwork fixing plate used as the bottom fixing formwork of the bottom plate and the bottom fixing formwork of the top plate can extend from the corresponding two side edges of the face plate to be used as connecting reinforcing steel bars between the fixing formworks, and can also not extend from the corresponding two side edges of the face plate. When the two ends of the transverse steel bar do not extend out of the corresponding two side edges of the panel, the connecting part between the adjacent steel bar truss fixing templates can adopt the same connecting mode with the wall body straight-line-shaped node, and a steel bar connecting frame with a structure similar to that of the straight-line-shaped steel bar connecting frame used for the wall body straight-line-shaped node is arranged as the connecting steel bar.

Preferably, the lower end part and the upper end part of the outer side wall body fixed formwork of the outer wall body are used as concrete pouring side forms of the bottom plate and the top plate, the lower end edge of the panel of the outer side wall body fixed formwork of the outer wall body is adjacent to the corresponding side edge of the panel of the corresponding bottom plate bottom fixed formwork, and the upper end edge extends to the top surface of the top plate concrete layer.

The lower end edges of the panels of the inner wall fixing template of the outer wall body and the two side wall fixing templates of the partition wall body (if any, the same below) are preferably positioned above the steel bar trusses or the bottom additional steel bars (if any) of the bottom fixing template of the bottom plate, can be generally contacted with the steel bar trusses or the bottom additional steel bars of the bottom fixing template of the bottom plate, and are supported on the steel bar trusses or the bottom additional steel bars of the bottom fixing template of the bottom plate, and can be generally poured into a bottom concrete layer. The upper end edges of the panels of the wall fixing templates on the inner side of the outer wall body and the wall fixing templates on the two sides of the partition wall body are adjacent to the corresponding side edges of the panels of the top plate bottom fixing templates at the corresponding positions, and therefore the inner surface of the wall body and the bottom surface of the top plate are both formed by the panels.

The ends of the reinforcing mesh and the reinforcing truss of the wall fixing formwork can be staggered or vertically abutted with the corresponding ends of the reinforcing mesh and the reinforcing truss of the bottom fixing formwork and the bottom fixing formwork of the top plate respectively to form effective anchoring.

The steel bar truss fixing template can be designed according to a plurality of standardized specifications of the steel bar truss fixing template, so that the industrial production is facilitated, and the steel bar truss fixing template can be adapted to the specifications as required during design and use during design and construction.

The concrete pouring and curing related to the invention can be carried out by adopting a conventional concrete pouring and curing mode, and the vibration can be carried out by adopting the conventional vibration mode. According to the prior art, mutual contact and consolidation of the poured concrete of each part at the joint part can be realized.

A plurality of vent holes can be formed in the face plate of the steel bar truss fixing formwork according to needs, so that internal bubbles formed in the concrete pouring and vibrating processes can be discharged conveniently.

The vent holes can be arranged before the steel bar truss fixed template leaves a factory. For example, holes may be drilled at positions near four corners of the face plate (for example, positions 15mm from each side edge), or holes may be drilled on site with an electric drill or the like at positions where air bubbles are likely to occur after the reinforcing steel bar truss fixing form plate is fixed on site.

The technical means disclosed by the invention can be combined arbitrarily to form a plurality of different technical schemes except for special description and the further limitation that one technical means is another technical means.

Claims

1. A formwork-free concrete single-cabin pipe gallery or multi-cabin pipe gallery, comprising a top plate, a bottom plate and a wall that are connected to each other, and the wall includes an outer wall body located on both sides of the pipe gallery, and the outer wall The top and bottom of the body are respectively connected with the corresponding sides of the bottom plate and the top plate, and the wall body also includes or does not include a partition wall body, the partition wall body is located between the outer wall bodies on both sides, and its top and the top are respectively connected with the bottom plate and the top plate, and it is characterized in that the wall body adopts a cast-in-place reinforced concrete structure, which is mainly composed of the wall body solid formwork located on both sides of the wall body and the solid formwork cast on both sides of the wall body. The wall solid formwork is composed of concrete layers between the walls, the wall solid formwork adopts the reinforced truss solid formwork, the panel of the wall solid formwork faces the outside of the wall, the steel truss faces the inside of the wall, and the solid formwork on the wall The steel mesh and the steel truss are fixed in the wall concrete layer of the wall, the steel truss fixed formwork includes a panel and the steel mesh and steel truss on one side of the panel, and the steel truss used as the wall fixed formwork is fixed. The panel of the formwork constitutes the permanent formwork of the corresponding wall, and the reinforcing mesh and the reinforced truss of the reinforced truss fixed formwork used as the solid formwork of the wall constitute the reinforcement in the concrete layer of the corresponding wall.

2. The pipe gallery according to claim 1 is characterized in that the top plate adopts a cast-in-place reinforced concrete structure or is constructed by using a prefabricated component splicing technology, and when the top plate adopts a cast-in-place reinforced concrete structure, the top plate is mainly composed of the top plate. The bottom solid formwork and the top slab concrete layer poured on the bottom solid formwork of the top slab are formed. The bottom solid formwork of the top slab adopts a reinforced truss fixed formwork, and its reinforced mesh and reinforced truss are located on the top of its panel and consolidated on the top slab concrete In the layer, the two sides of the roof concrete layer are respectively consolidated with the wall concrete layer on the corresponding side, and the roof concrete layer is provided with or without additional roof reinforcement bars, and the roof additional reinforcement bars are located at the The top of the reinforced truss of the fixed formwork at the bottom of the roof is consolidated in the roof concrete layer to form the upper reinforcement in the roof concrete layer, and the faceplate of the reinforced truss fixed formwork used as the fixed formwork at the bottom of the roof constitutes the permanent reinforcement of the corresponding roof. Formwork, reinforced truss used as a fixed formwork at the bottom of the roof The steel mesh and steel truss of the fixed formwork constitute the reinforcement in the concrete layer of the corresponding roof.

3. The pipe gallery according to claim 1 is characterized in that the bottom plate adopts a cast-in-place reinforced concrete structure or adopts a prefabricated component splicing structure, and the bottom plate that adopts a cast-in-place reinforced concrete structure is mainly composed of a bottom plate bottom solid formwork and poured on the described bottom plate. The bottom plate concrete layer is formed by the bottom plate concrete layer on the bottom plate. The two sides are respectively consolidated with the wall concrete layer on the corresponding side, the bottom plate concrete layer is provided with or not provided with the bottom plate additional reinforcement, and the bottom plate additional reinforcement is located at the bottom of the bottom panel of the steel truss of the bottom panel. The above, consolidated in the concrete layer of the bottom plate, constitute the upper reinforcement in the concrete layer of the bottom plate, and the panel of the reinforced truss fixed formwork used as the bottom plate bottom plate constitutes the permanent formwork of the corresponding bottom plate, and is used as the bottom plate of the bottom plate. The steel mesh and the steel truss of the reinforced truss formwork constitute the reinforcement in the concrete layer of the corresponding base plate.

4. The pipe gallery according to any one of claims 1-3, wherein the steel mesh in the steel truss fixed formwork is located between the steel truss and the panel, and between the steel mesh and the panel there is a The spacer blocks are arranged between the lower chord bars of the steel truss and the panel, and the number of spacers between the same lower chord bars and the panel is multiple.

5. The pipe gallery according to any one of claims 1-3, wherein the reinforcing mesh of the reinforcing bar truss formwork is formed by connecting several longitudinal reinforcing bars and several transverse reinforcing bars, and each longitudinal reinforcing bar on the same reinforcing bar mesh is located on the same plane And parallel to each other, each transverse reinforcement is located on the same plane and parallel, the transverse reinforcement of the reinforcement mesh is located on the near-panel side of the longitudinal reinforcement, and is in contact with the lower chord of the reinforced truss. It is located on the near-panel side of the upper chord bars and is parallel to the longitudinal bars of the reinforcing mesh. The number of reinforcing bar trusses in the reinforcing bar truss template is one or more. When there is a spacer between the reinforcing mesh and the panel for limiting the distance between the two, the lateral surface of the reinforcing mesh of the spacer is provided with a transverse reinforcement positioning groove, and the transverse reinforcement is arranged in the contact with it. on the transverse reinforcement locating grooves on the spacers.

6. The pipe gallery according to any one of claims 1-3, wherein in the reinforced truss fixed formwork, the fixed connection mode of the reinforced mesh, the reinforced truss and the panel is any of the following:

The steel truss is fixedly connected to the panel through a connector; or,

When a spacer is provided between the reinforcing mesh and the panel, the reinforcing bar truss is fixedly connected to the spacer through a connecting piece, and the spacer is fixedly connected to the panel,

The connector is any of the following:

The connecting piece is an inverted V-shaped connecting piece, which is used to realize the fixed connection between the steel bar truss and the panel, or for realizing the fixed connection between the steel bar truss and the cushion block. It is in the shape of an inverted V and is buckled on the corresponding steel truss, and the two legs at the bottom are respectively fixed and connected to the panel or the corresponding pad;

The connecting piece is a U-shaped connecting piece or a C-shaped connecting piece, which is used to realize the fixed connection between the steel bar truss and the cushion block. The U-shaped connecting piece is provided with mutually symmetrical left and right clamping plates. The left and right clamping plates are connected to the integrated base or independent base used as the spacer, and the left and right clamping plates are respectively clamped on the lateral outer sides of the lower chord bars on the corresponding sides of the steel truss; the C-shaped connecting piece It includes two forms of symmetrical left connecting piece and right connecting piece, and these two forms of C-shaped connecting piece are used together. The single-sided card board is connected to an integrated base or an independent base, the integrated base is integrated with the cushion block, the independent base is a separate piece and is fixedly connected to the cushion block, and the left connection The pieces and the right connecting pieces are vertically alternately arranged or symmetrically arranged, and the one-sided clamping plates of the left connecting piece and the right connecting piece are respectively clamped on the lateral outer sides of the lower chord bars on the corresponding sides of the steel truss.

7. The pipe gallery according to any one of claims 1-3, wherein the wall solid formwork is formed by using a plurality of steel truss solid formwork arranged along the length of the pipe gallery, and the transverse direction of the steel truss solid formwork is along the length of the pipe gallery. The steel truss fixed formwork on both sides of the wall is symmetrically arranged, the size of the opposite steel truss fixed formwork on both sides is equal, and there is a gap between the horizontally adjacent steel truss fixed formwork on the same side.

The connection parts of the horizontally adjacent steel truss solid formwork on the wall constitute the in-line node of the wall, and the wall of the in-line node is provided with a in-line steel connection frame, and the in-line steel connection frame includes Connecting side vertical bars and stirrups, the vertical projection of the stirrups is a rectangle, and the connecting side vertical bars are respectively located at the four corners of the rectangular vertical projection of the stirrups and are fixedly connected with the stirrups. The steel bar connecting frame is fixed in the concrete layer of the wall, and its left and right parts in the lateral direction respectively form two rectangular connecting parts in the corresponding direction, and each rectangular connecting part extends to the two parts of the wall in the corresponding direction of the connecting node. Between the steel meshes of the side reinforcement truss fixed formwork;

When there is a T-shaped wall, the wall of the corresponding T-shaped node is provided with a T-shaped steel bar connecting frame, and the T-shaped steel bar connecting frame is T-shaped and includes three rectangular connecting parts distributed in the T-shape. The intersecting parts of the rectangular connecting parts are provided with vertical steel bars on the dark column distributed at the four corners of the same rectangle, and the outer ends of each of the rectangular connecting parts are provided with vertical steel bars on the connecting side distributed at the two corners of the ends. The vertical steel bars on the connection side and the vertical steel bars on the hidden column are connected together by corresponding stirrups, and the vertical projection of the stirrups is rectangular, which are respectively hooped on the respective corresponding vertical steel bars on the connecting side, on the vertical steel bars on the dark column, Or on the vertical steel bar on the connecting side and the vertical steel bar on the hidden column, the T-shaped steel bar connecting frame is consolidated in the concrete layer of the wall, and each of the rectangular connecting parts extends to the two sides of the wall in the corresponding direction of the T-shaped node. Between the steel meshes of the reinforced truss fixed formwork;

When there is an L-shaped wall, the wall of the corresponding L-shaped node is provided with an L-shaped steel bar connecting frame. The L-shaped steel bar connecting frame is L-shaped and includes two rectangular connecting parts distributed in the L-shape. The intersecting parts of the rectangular connecting parts are provided with vertical steel bars on the dark column distributed at the four corners of the same rectangle, and the outer ends of each of the rectangular connecting parts are provided with vertical steel bars on the connecting side distributed at the two corners of the ends. The connection side vertical steel bar and the dark column vertical steel bar are connected together by corresponding stirrups, and the vertical projection of the stirrup is a rectangle, which is respectively hooped on the corresponding connection side vertical steel bar and the dark column vertical steel bar. Or on the vertical reinforcement of the hidden column, the L-shaped reinforcement connection frame is fixed in the concrete layer of the wall, and each of the rectangular connection parts respectively extends to the reinforcement truss fixed formwork on both sides of the wall in the corresponding direction of the L-shaped node. between the wire mesh;

When there is a cross-shaped wall, the wall of the corresponding cross-shaped node is provided with a cross-shaped steel bar connection frame. The intersecting parts of the rectangular connecting parts are provided with vertical steel bars on the dark column distributed at the four corners of the same rectangle, and the outer ends of each of the rectangular connecting parts are provided with vertical steel bars on the connecting side distributed at the two corners of the ends. The vertical steel bars on the connection side and the vertical steel bars on the hidden column are connected together by corresponding stirrups, and the vertical projection of the stirrups is rectangular, which are respectively hooped on the respective corresponding vertical steel bars on the connecting side, on the vertical steel bars on the dark column, Or on the connecting side vertical steel bar and the dark column vertical steel bar, the cross-shaped steel bar connecting frame is fixed in the concrete layer of the wall body, and each of the rectangular connecting parts respectively extends to the two sides of the wall body in the corresponding direction of the cross-shaped node. Reinforced trusses between the steel meshes of the formwork.

8. A method for constructing a formwork-free concrete single-cabin pipe gallery or multi-cabin pipe gallery, comprising the following constructions:

A) Base plate construction, including the following steps:

Setting the bottom plate concrete pouring formwork: fix the bottom plate bottom formwork on the foundation, or do not set the bottom plate bottom platen formwork, directly use the laid foundation as the bottom surface of the bottom concrete pouring, and set the bottom plate side formwork, and the bottom plate bottom solid formwork The steel truss is used to fix the formwork, the steel truss is upward, and the panel is located under the steel truss;

Set the bottom plate reinforcement: in the case of not setting the bottom plate bottom plate reinforcement, configure the bottom plate reinforcement bar, in the case of setting the bottom plate bottom plate reinforcement plate, according to the design requirements, set or not set the bottom plate additional reinforcement on the top of the steel truss of the bottom plate bottom plate plate ;

Pouring the bottom plate concrete: pour the bottom plate concrete in the bottom plate formwork;

B) Wall construction, including the following steps:

Setting the wall concrete pouring formwork: supporting the wall solid formwork on both sides of the wall, the wall solid formwork adopts the reinforced truss solid formwork, the panel of the wall solid formwork faces outward, and the reinforced truss faces inward;

2) Fix the wall formwork: carry out the tie fixing of the wall solid formwork on both sides;

3) Pouring the wall concrete: pouring concrete between the wall solid formwork on both sides of the wall, the wall concrete and the bottom concrete are poured into one body,

The wall body includes the outer wall body on both sides of the pipe gallery, and also includes or does not include the partition wall body;

C) roof construction, including the following steps:

Setting the roof concrete pouring formwork: set the roof bottom formwork support system, set up the bottom fixed formwork of the top slab, and set up the top slab side formwork, the bottom fixed formwork of the top slab adopts the reinforced truss fixed formwork, the reinforced truss is upward, and the panel faces downward;

Set roof reinforcement: According to the design requirements, set or not set additional reinforcement for the roof above the reinforcement truss of the fixed formwork at the bottom of the roof;

pouring the roof concrete; pouring the roof concrete in the roof formwork, the roof concrete and the wall concrete building are integrated;

D) Concrete curing: curing of cast-in-place concrete as needed:

The reinforced truss fixed formwork includes a panel, a reinforced mesh and a reinforced truss located on one side of the panel, and the reinforced mesh, the reinforced truss and the panel of the reinforced truss fixed formwork are fixedly connected as a whole,

The reinforced truss fixed formwork used as the wall solid formwork is arranged vertically, and the reinforced truss fixed formwork used as the bottom fixed formwork of the top plate and the bottom fixed formwork of the bottom plate is arranged horizontally.

9. The method according to claim 8, wherein the outer wall solid formwork of the outer wall body is supported before the concrete layer of the bottom plate is poured, and the lower part of the outer wall solid formwork of the outer wall wall is used as the corresponding The side formwork of the bottom plate, the panel of which extends to the outside of the concrete layer pouring area of the bottom plate and the bottom edge of the panel is adjacent to the corresponding side edge of the panel of the bottom plate bottom plate, and the upper part of the outer wall plate of the outer wall is formed. As the roof side form of the corresponding side, its face plate extends to the outside of the pouring area of the roof concrete layer and the top edge of the face plate extends to the top surface of the roof concrete layer.

10. The method according to claim 8 or 9, characterized in that the connection parts of the horizontally adjacent wall solid formwork on the wall constitute the in-line node of the wall, and at the in-line node of the wall Set up the in-line steel bar connection frame, install the in-line bar connection frame in place before supporting the wall solid formwork at the node position, so that the two rectangular connection parts of the in-line steel bar connection frame are placed on the Between the steel meshes of the wall solid formwork on both sides of the wall in the corresponding direction of the node,

When there is a T-shaped wall in the wall, a T-shaped node steel connection frame is arranged at the T-shaped wall node, and the T-shaped node steel connection frame is installed in place before the adjacent wall solid formwork is supported. , so that the three rectangular connecting parts of the T-joint steel connecting frame are respectively placed between the steel meshes of the wall solid formwork on both sides of the wall in the corresponding direction of the node,

When there is an L-shaped wall in the wall, an L-shaped node steel connecting frame is arranged at the L-shaped wall node, and the L-shaped node steel connecting frame is installed in place before supporting the adjacent wall solid formwork , so that the two rectangular connecting parts of the L-shaped node steel connecting frame are respectively placed between the steel meshes of the wall solid formwork on both sides of the wall in the corresponding direction of the node,

When there is a cross-shaped wall in the wall, a cross-shaped node steel bar connecting frame is arranged at the cross-shaped wall node, and the cross-shaped node steel bar connecting frame is installed in place before supporting the adjacent wall solid formwork , so that the four rectangular connecting parts of the cross-shaped node steel connecting frame are respectively placed between the steel meshes of the wall solid formwork on both sides of the wall in the corresponding direction of the node,

In the step of fixing the wall formwork, the distance between the wall solid formwork on both sides is defined by using or mainly using the corresponding steel bar connecting frame located between the steel wire meshes of the wall solid formwork on both sides as the support member to define the distance between the two side wall solid formwork. The width is not greater than the spacing between the reinforcing meshes of the wall solid formwork on both sides of the corresponding part, and the rectangular connecting parts of each side of the same reinforcing bar connection frame are respectively supported between the reinforcing meshes of the inner and outer wall solid formwork of the corresponding side wall of the node. , when the thickness of the rectangular connecting part is smaller than the wire mesh spacing of the wall solid formwork on both sides of the corresponding part, an additional support is added.