CN112854745A - Construction process of assembled building aluminum alloy template - Google Patents

Construction process of assembled building aluminum alloy template Download PDF

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Publication number
CN112854745A
CN112854745A CN202110226218.9A CN202110226218A CN112854745A CN 112854745 A CN112854745 A CN 112854745A CN 202110226218 A CN202110226218 A CN 202110226218A CN 112854745 A CN112854745 A CN 112854745A
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CN
China
Prior art keywords
template
prefabricated
aluminum alloy
wall
steel bars
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110226218.9A
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Chinese (zh)
Inventor
王保栋
杨升旗
李保成
李祥龙
郭聪阁
杨鹏鹏
王廷征
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China Construction Eighth Bureau Development and Construction Co Ltd
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China Construction Eighth Bureau Development and Construction Co Ltd
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Publication date
Application filed by China Construction Eighth Bureau Development and Construction Co Ltd filed Critical China Construction Eighth Bureau Development and Construction Co Ltd
Priority to CN202110226218.9A priority Critical patent/CN112854745A/en
Publication of CN112854745A publication Critical patent/CN112854745A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/38Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00Forming or shuttering elements for general use
    • E04G9/02Forming boards or similar elements
    • E04G9/06Forming boards or similar elements the form surface being of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2103/00Material constitution of slabs, sheets or the like
    • E04B2103/02Material constitution of slabs, sheets or the like of ceramics, concrete or other stone-like material

Abstract

The invention provides a construction process of an assembled building aluminum alloy template, which comprises the following steps: the prefabricated building aluminum alloy formwork construction process comprises the steps of measurement paying-off, wall component hoisting and grouting, reinforcement binding at a cast-in-place node of a wall body, wall column aluminum alloy formwork installation, roof and beam aluminum alloy formwork installation, laminated slab hoisting, beam slab reinforcement binding, concrete pouring, aluminum formwork dismantling and turnover to an upper layer and the like.

Description

Construction process of assembled building aluminum alloy template
Technical Field
The invention relates to the technical field of assembly type building construction, in particular to an assembly type building aluminum alloy template construction process.
Background
Buildings constructed from fabricated concrete shear walls have been used and become popular. In the construction of the original fabricated concrete shear wall structure, the laminated slab supports are independently supported, the cast-in-place nodes of the wall body are supported by wood molds, and the flatness of the top plate and the expansion of the cast-in-place nodes of the wall body are difficult to solve.
Disclosure of Invention
The embodiment of the invention provides a construction process of an aluminum alloy template of an assembly type building, which is characterized in that the assembly type building is combined with the aluminum alloy template, the aluminum alloy template support replaces the traditional independent support of a laminated slab, the aluminum alloy template is applied to a cast-in-place node to reinforce and combine with a prefabricated component wall, and the problems of uneven flatness of a top plate of the assembly type building and expansion of a mold at the cast-in-place node of the wall are solved.
In view of the above problems, the technical solution proposed by the present invention is:
a construction process of an assembly type building aluminum alloy template comprises the following steps:
s1, measuring and setting out, cleaning the connecting plane of the mounting wallboard, and elastically arranging a control line on the concrete top plate of the working layer;
s2, hoisting and grouting wall members, namely, respectively placing a gasket at each of four corners of the lower part of each prefabricated wallboard to adjust the elevation, and adjusting the gaskets according to the actual elevation after floor slab pouring is finished; secondly, slowly hoisting the prefabricated wallboard by using a tower crane, stopping hoisting when the bottom edge of the prefabricated wallboard rises to be 500cm away from the ground, checking whether the hoisting is firm again, and if the board surface is pollution-free and damaged, and continuing to hoist to enable the prefabricated wallboard to be close to the installation operation surface after the situation that no fault exists is confirmed; thirdly, after the prefabricated wall board is close to the operation surface, enabling the prefabricated wall board to be in place, and after the prefabricated wall board is aligned with the embedded steel bars, descending the prefabricated wall board; installing the inclined supporting rod of the prefabricated wall body on the prefabricated wall body and the bolt connecting piece on the cast-in-place plate by using a bolt, preliminarily adjusting the prefabricated wall body to ensure the vertical of the prefabricated wall body, and after the prefabricated wall body is preliminarily positioned, temporarily fixing the prefabricated wall body by using a fixing threaded rod to adjust the accuracy and the verticality of the prefabricated wall body; grouting in a communicating cavity mode, reserving a 20mm joint between the upper prefabricated wallboard and the lower prefabricated wallboard, and plugging the joint by adopting a base slurry before grouting construction to form a grouting cavity;
s3, binding steel bars at cast-in-place nodes of the wall body, and binding the steel bars of the cast-in-place hidden column nodes after the prefabricated wall board is completely in place;
s4, installing wall column aluminum alloy templates, overturning the aluminum alloy templates to corresponding positions according to number classification, and cleaning and brushing an oily release agent; secondly, after rechecking the wall column positioning control line and the root concrete elevation, penetrating a sleeve and a split bolt at the corresponding position of the wall column steel bar, and fixing a pull piece on the pull piece type aluminum alloy template; thirdly, placing the wall column template in place according to the serial number, connecting and fastening the aluminum alloy template frames by using pins in sequence, mounting the horizontal back edge of the wall column after the pins are fastened, and fixing the horizontal back edge with the wall body of the prefabricated component by using wall penetrating bolts; fourthly, after the wall column template is installed, reinforcing the wall column template by using a special inclined strut, detecting the verticality of the wall column template, and adjusting the verticality of the wall column to be within the range of the standard requirement through the inclined strut; checking a gap between the root of the template and the floor slab, and plugging by using mortar or a foam adhesive tape before pouring concrete to prevent root rot of the root of the wall column caused by slurry leakage;
s5, installing a top plate and a beam aluminum alloy template, namely, after the wall column template is installed and corrected to be qualified, installing a beam bottom template and a supporting upright rod, connecting and fixing the beam bottom templates on the two sides of a supporting head with a wall body after the beam bottom templates are spliced on the ground, and correcting the elevation of the beam bottom by adjusting an independent supporting rod; secondly, after the beam bottom formwork is installed and corrected, beam side formworks are installed, angle formworks between a wall column and a floor slab are installed at the same time, and the formworks are fastened and corrected by pins; arranging the templates according to the template numbers, sequentially installing a floor template, an aluminum alloy keel and an independent support from the wall column or the beam edge along the longitudinal direction of the supporting aluminum alloy keel, and completing the installation of the floor template and the independent support of the whole span or the whole room according to the sequence; fourthly, after the floor slab template is installed, measuring the flatness of the template by using a level gauge, and adjusting the flatness to be within a standard allowable range through independent support; fifthly, adding two horizontal rods to the independent support frame with the floor height exceeding 3.5m or using a spigot-and-socket full scaffold as a support;
s6, hoisting the laminated slab, namely, penetrating a steel wire rope into four embedded hanging rings on the prefabricated slab, and slowly hoisting after connection and fastening are confirmed; secondly, slowly hoisting the prefabricated plate by a crane, stopping hoisting when the bottom edge of the prefabricated plate rises to 500mm away from the ground, checking whether the hoisting is firm again, and if the plate surface is not polluted and damaged, continuing to hoist to enable the prefabricated plate to be slowly close to the installation operation surface after the situation that the prefabricated plate is not wrong is confirmed; thirdly, when the composite slab is close to the installation working face to be in place, the composite slab is vertically installed downwards from the top, the lifting is stopped at the position 200mm above the working layer, a constructor holds the floor slab by hand to adjust the direction, and the side line of the slab is aligned with the aluminum alloy template and then is put down;
s7, binding the steel bars of the beam plate, cleaning up sundries on the laminated slab before binding the steel bars, binding the steel bars according to the distance between the steel bars and elastic lines, and penetrating the steel bars into a truss on the laminated floor slab during binding; placing the two-way plate steel bars: when the diameters and the intervals of the two-way reinforcing bars are the same, the short-span reinforcing bars are placed below the long-span reinforcing bars; when the diameters or the intervals of the two-way reinforcing bars are different, the reinforcing bar in the large direction is placed below the reinforcing bar in the small direction;
s8, pouring concrete, after the template is corrected and reinforced, checking whether the root plugging of the wall column is in place, and pouring the concrete after the wall column is concealed and accepted;
s9, removing the aluminum mold to a previous layer, adding four or more test blocks with the same conditions for guiding the removal of accessories of the on-site template, uniformly arranging the template removal according to the pressure test strength of the test blocks with the same conditions by projects, removing the wall column, the beam side template, the beam bottom template, and finally removing the independent support, uniformly prying and loosening the removed template by using a special pull rod, removing and collecting parts such as pins and the like while removing, preventing loss, timely cleaning and finishing the removed template, and transferring the template to a working surface of the previous layer according to a corresponding position for stacking and neatly placing.
As a preferred technical solution of the present invention, in the step S3, the fabricated shear wall structure hidden column nodes have three forms, which are a single form, an L form and a T form, respectively, and the steel bars of the three forms are bound in the following sequence:
the method comprises the following steps:
1) firstly, sequentially arranging the open stirrups on the overhanging reinforcing steel bars on the two sides;
2) connecting vertical steel bars;
3) binding the stirrups and the vertical steel bars according to the requirements of a drawing;
II, L-shaped:
1) sequentially placing the bidirectional closed stirrups on the steel bars extending outwards at the two sides;
2) connecting vertical steel bars;
3) binding the stirrups and the vertical steel bars according to the requirements of a drawing;
③ T-shaped:
1) placing an opening stirrup parallel to the direction of the outer wall, wherein the opening stirrup is arranged on the outer side;
2) connecting the longitudinal steel bars outside the closed stirrups;
3) placing a closed stirrup vertical to the direction of the outer wall;
4) and connecting the longitudinal steel bars on the inner side of the closed stirrup, and binding the stirrup and the vertical steel bars according to the drawing requirements.
As a preferable technical solution of the present invention, in the step S6, the composite slab is hoisted by using four hoisting points or any one of six hoisting points.
As a preferred technical solution of the present invention, in step S6, during the laying down process of the laminated slab, the reserved steel bars of the laminated slab and the wall steel bars are placed in a staggered manner, and during the laying down process, the laminated slab should be stopped stably and slowly for avoiding the shock and crack of the slab surface caused by an excessive impact force.
As a preferred embodiment of the present invention, in the step S7, a relationship between the hogging moment tendon perpendicular to the truss tendon and the distribution tendon is as follows: the hogging moment rib is arranged on the distribution rib; the relationship between the hogging moment rib parallel to the truss rib and the distribution rib is as follows: the hogging moment rib is arranged below the distribution rib.
In a preferred embodiment of the present invention, in step S8, a concrete vibrator is used to perform a vibrating operation during the concrete pouring process to reduce the generation of air bubbles.
As a preferred embodiment of the present invention, in step S9, the process of removing each component template includes:
wall column and beam side template: dismantling the inclined strut and the back edge of the wall column template → dismantling the pin between the wall column and the beam side template → dismantling the wall column and the beam side template;
beam and plate bottom template: removing internal corner aluminum molds between the beam plate and the wall column → removing pins between the beam and the plate bottom mold plate → removing bolts at two sides of the supporting head → removing the aluminum alloy main keel;
thirdly, independent supporting: loosening the bolts of the independent support rods → dismantling the independent support vertical rods.
As a preferred technical solution of the present invention, in step S9, the template is turned over through the reserved material transferring opening on the floor slab, the reserved hole for installation, the elevator shaft hole, the stair hole, and the like.
Compared with the prior art, the invention has the beneficial effects that:
1. the aluminum alloy template is applied to the fabricated building, so that the fabricated building prefabricated part and the aluminum alloy template are effectively combined, the forming quality of a structural entity is improved, and the construction period is shortened.
2. The aluminum alloy template supporting system is adopted to replace a laminated slab supporting system, so that the aluminum alloy template is suitable for the fabricated building, and the problem of uneven flatness of the top plate of the fabricated building is solved.
3. The aluminum alloy template is combined with the prefabricated wall body to form a template system of the cast-in-place node, so that the concrete forming quality of the cast-in-place node is improved, the actually measured actual measurement indexes of the structural entity are improved, and the problem of mold expansion of the cast-in-place node of the assembly type building wall body is solved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic view of a construction process flow of an assembly type building aluminum alloy formwork disclosed by the embodiment of the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in figure 1, the construction process of the assembly type building aluminum alloy template comprises the following steps:
s1, measuring and setting out, cleaning the connecting plane of the mounting wallboard, and elastically arranging a control line on the concrete top plate of the working layer;
specifically, the connection plane of installation wallboard should the clean up, on operation layer concrete roof, the bullet establishes the control line so that the installation wall body is taken one's place, includes: wall and opening sidelines; a horizontal position control line of 30cm of the wall body; a 100cm elevation control line (on a concrete floor joint bar) of the operation layer; the central position line of the sleeve.
S2, hoisting and grouting wall members, namely, respectively placing a gasket at each of four corners of the lower part of each prefabricated wallboard to adjust the elevation, and adjusting the gaskets according to the actual elevation after floor slab pouring is finished; secondly, slowly hoisting the prefabricated wallboard by using a tower crane, stopping hoisting when the bottom edge of the prefabricated wallboard rises to be 500cm away from the ground, checking whether the hoisting is firm again, and if the board surface is pollution-free and damaged, and continuing to hoist to enable the prefabricated wallboard to be close to the installation operation surface after the situation that no fault exists is confirmed; thirdly, after the prefabricated wall board is close to the operation surface, enabling the prefabricated wall board to be in place, and after the prefabricated wall board is aligned with the embedded steel bars, descending the prefabricated wall board; installing the inclined supporting rod of the prefabricated wall body on the prefabricated wall body and the bolt connecting piece on the cast-in-place plate by using a bolt, preliminarily adjusting the prefabricated wall body to ensure the vertical of the prefabricated wall body, and after the prefabricated wall body is preliminarily positioned, temporarily fixing the prefabricated wall body by using a fixing threaded rod to adjust the accuracy and the verticality of the prefabricated wall body; grouting in a communicating cavity mode, reserving a 20mm seam between the upper prefabricated wallboard and the lower prefabricated wallboard, plugging the seam by using a base slurry before grouting construction to form a grouting cavity, wherein the plugging must be tight, and the grouting is prevented from being not compact due to slurry leakage;
s3, binding reinforcing steel bars at the cast-in-place node of the wall body, binding reinforcing steel bars of the cast-in-place hidden column node after the prefabricated wall board is completely in place, wherein the assembled shear wall structure hidden column node has three types, namely a shape, an L shape and a T shape, and the binding order of the reinforcing steel bars of the three types of nodes is as follows:
the method comprises the following steps:
1) firstly, sequentially arranging the open stirrups on the overhanging reinforcing steel bars on the two sides;
2) connecting vertical steel bars;
3) binding the stirrups and the vertical steel bars according to the requirements of a drawing;
II, L-shaped:
1) sequentially placing the bidirectional closed stirrups on the steel bars extending outwards at the two sides;
2) connecting vertical steel bars;
3) binding the stirrups and the vertical steel bars according to the requirements of a drawing;
③ T-shaped:
1) placing an opening stirrup parallel to the direction of the outer wall, wherein the opening stirrup is arranged on the outer side;
2) connecting the longitudinal steel bars outside the closed stirrups;
3) placing a closed stirrup vertical to the direction of the outer wall;
4) connecting the longitudinal steel bars on the inner side of the closed stirrup, and binding the stirrup and the vertical steel bars according to the requirements of the drawing;
s4, installing wall column aluminum alloy templates, overturning the aluminum alloy templates to corresponding positions according to number classification, and cleaning and brushing an oily release agent; secondly, after rechecking the wall column positioning control line and the root concrete elevation, penetrating a sleeve and a split bolt at the corresponding position of the wall column steel bar, and fixing a pull piece on the pull piece type aluminum alloy template; thirdly, placing the wall column template in place according to the serial number, connecting and fastening the aluminum alloy template frames by using pins in sequence, mounting the horizontal back edge of the wall column after the pins are fastened, and fixing the horizontal back edge with the wall body of the prefabricated component by using wall penetrating bolts; fourthly, after the wall column template is installed, reinforcing the wall column template by using a special inclined strut, detecting the verticality of the wall column template, and adjusting the verticality of the wall column to be within the range of the standard requirement through the inclined strut; checking a gap between the root of the template and the floor slab, and plugging by using mortar or a foam adhesive tape before pouring concrete to prevent root rot of the root of the wall column caused by slurry leakage;
s5, installing a top plate and a beam aluminum alloy template, namely, after the wall column template is installed and corrected to be qualified, installing a beam bottom template and a supporting upright rod, connecting and fixing the beam bottom templates on the two sides of a supporting head with a wall body after the beam bottom templates are spliced on the ground, and correcting the elevation of the beam bottom by adjusting an independent supporting rod; secondly, after the beam bottom formwork is installed and corrected, beam side formworks are installed, angle formworks between a wall column and a floor slab are installed at the same time, and the formworks are fastened and corrected by pins; arranging the templates according to the template numbers, sequentially installing a floor template, an aluminum alloy keel and an independent support from the wall column or the beam edge along the longitudinal direction of the supporting aluminum alloy keel, and completing the installation of the floor template and the independent support of the whole span or the whole room according to the sequence; fourthly, after the floor slab template is installed, measuring the flatness of the template by using a level gauge, and adjusting the flatness to be within a standard allowable range through independent support; fifthly, adding two horizontal rods to the independent support frame with the floor height exceeding 3.5m or using a spigot-and-socket full scaffold as a support;
s6, hoisting the laminated slab, namely, penetrating a steel wire rope into four embedded hanging rings on the prefabricated slab, and slowly hoisting after connection and fastening are confirmed; secondly, slowly hoisting the prefabricated plate by a crane, stopping hoisting when the bottom edge of the prefabricated plate rises to 500mm away from the ground, checking whether the hoisting is firm again, and if the plate surface is not polluted and damaged, continuing to hoist to enable the prefabricated plate to be slowly close to the installation operation surface after the situation that the prefabricated plate is not wrong is confirmed; when the composite slab is in place close to an installation operation surface, the composite slab is vertically installed downwards from the top, lifting is stopped at a position 200mm above an operation layer, a constructor holds the floor slab to adjust the direction, the side line of the slab is aligned with the aluminum alloy template and then is put down, the composite slab is hoisted by adopting any one of four hoisting points or six hoisting points, when the composite slab is hoisted, the bending moment generated by self weight is reduced as much as possible, 4 hoisting points are uniformly stressed, stable hoisting of the component is ensured, a large component is hoisted by adopting 6 hoisting points, and when the composite slab is put down, reserved steel bars of the composite slab and wall steel bars are placed in a staggered mode, and when the composite slab is put down, the reserved steel bars and the wall steel bars are stopped stably and slowly put down, so that the phenomenon that the;
s7, binding the steel bars of the beam plate, cleaning up sundries on the laminated slab before binding the steel bars, binding the steel bars according to the distance between the steel bars and elastic lines, and penetrating the steel bars into a truss on the laminated floor slab during binding; placing the two-way plate steel bars: when the diameters and the intervals of the two-way reinforcing bars are the same, the short-span reinforcing bars are placed below the long-span reinforcing bars; when the diameters or the intervals of the two-way reinforcing bars are different, the direction with large reinforcing bars is placed below the direction with small reinforcing bars, and the relationship between the hogging moment bars perpendicular to the truss bars and the distribution bars is as follows: the hogging moment rib is arranged on the distribution rib; the relationship between the hogging moment rib parallel to the truss rib and the distribution rib is as follows: the hogging moment rib is arranged below the distribution rib;
s8, pouring concrete, after the template is corrected and reinforced, checking whether the root plugging of the wall column is in place, pouring the concrete after the wall column is concealed and accepted, and using a concrete vibrator to carry out vibration operation in the concrete pouring process to reduce the generation of bubbles;
s9, removing and transferring the aluminum mold to the upper layer, adding four or more test blocks with the same conditions for guiding the removal work of accessories of the on-site template, uniformly arranging the template removal work according to the pressure test strength of the test blocks with the same conditions by projects, removing the wall column, the beam side template, the beam bottom template and the independent support, uniformly prying and loosening the removed template by using a special pull rod, and collecting parts such as pins while removing to prevent loss;
the template is dismantled and required:
the template of demolising will in time be cleared up and maintained, transports according to corresponding position and puts things in good order to the upper strata working face, and the template carries out the layer of operation that turns over of template through positions such as the biography material mouth of reserving on the floor, installation reservation entrance to a cave, elevator shaft entrance to a cave, stair entrance to a cave, each component template demolishs the flow and is:
wall column and beam side template: dismantling the inclined strut and the back edge of the wall column template → dismantling the pin between the wall column and the beam side template → dismantling the wall column and the beam side template;
beam and plate bottom template: removing internal corner aluminum molds between the beam plate and the wall column → removing pins between the beam and the plate bottom mold plate → removing bolts at two sides of the supporting head → removing the aluminum alloy main keel;
thirdly, independent supporting: loosening the bolts of the independent support rods → dismantling the independent support vertical rods.
According to the construction process of the aluminum alloy formwork of the fabricated building, the fabricated building is combined with the aluminum alloy formwork, the aluminum alloy formwork support replaces the traditional laminated slab independent support, the aluminum alloy formwork is applied to a cast-in-place node to reinforce the wall body of the prefabricated part, and the problems that the flatness of a top plate is uneven and the cast-in-place node of the wall body expands in the existing fabricated building are solved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The construction process of the assembled building aluminum alloy template is characterized by comprising the following steps of:
s1, measuring and setting out, cleaning the connecting plane of the mounting wallboard, and elastically arranging a control line on the concrete top plate of the working layer;
s2, hoisting and grouting wall members, namely, respectively placing a gasket at each of four corners of the lower part of each prefabricated wallboard to adjust the elevation, and adjusting the gaskets according to the actual elevation after floor slab pouring is finished; secondly, slowly hoisting the prefabricated wallboard by using a tower crane, stopping hoisting when the bottom edge of the prefabricated wallboard rises to be 500cm away from the ground, checking whether the hoisting is firm again, and if the board surface is pollution-free and damaged, and continuing to hoist to enable the prefabricated wallboard to be close to the installation operation surface after the situation that no fault exists is confirmed; thirdly, after the prefabricated wall board is close to the operation surface, enabling the prefabricated wall board to be in place, and after the prefabricated wall board is aligned with the embedded steel bars, descending the prefabricated wall board; installing the inclined supporting rod of the prefabricated wall body on the prefabricated wall body and the bolt connecting piece on the cast-in-place plate by using a bolt, preliminarily adjusting the prefabricated wall body to ensure the vertical of the prefabricated wall body, and after the prefabricated wall body is preliminarily positioned, temporarily fixing the prefabricated wall body by using a fixing threaded rod to adjust the accuracy and the verticality of the prefabricated wall body; grouting in a communicating cavity mode, reserving a 20mm joint between the upper prefabricated wallboard and the lower prefabricated wallboard, and plugging the joint by adopting a base slurry before grouting construction to form a grouting cavity;
s3, binding steel bars at cast-in-place nodes of the wall body, and binding the steel bars of the cast-in-place hidden column nodes after the prefabricated wall board is completely in place;
s4, installing wall column aluminum alloy templates, overturning the aluminum alloy templates to corresponding positions according to number classification, and cleaning and brushing an oily release agent; secondly, after rechecking the wall column positioning control line and the root concrete elevation, penetrating a sleeve and a split bolt at the corresponding position of the wall column steel bar, and fixing a pull piece on the pull piece type aluminum alloy template; thirdly, placing the wall column template in place according to the serial number, connecting and fastening the aluminum alloy template frames by using pins in sequence, mounting the horizontal back edge of the wall column after the pins are fastened, and fixing the horizontal back edge with the wall body of the prefabricated component by using wall penetrating bolts; fourthly, after the wall column template is installed, reinforcing the wall column template by using a special inclined strut, detecting the verticality of the wall column template, and adjusting the verticality of the wall column to be within the range of the standard requirement through the inclined strut; checking a gap between the root of the template and the floor slab, and plugging by using mortar or a foam adhesive tape before pouring concrete to prevent root rot of the root of the wall column caused by slurry leakage;
s5, installing a top plate and a beam aluminum alloy template, namely, after the wall column template is installed and corrected to be qualified, installing a beam bottom template and a supporting upright rod, connecting and fixing the beam bottom templates on the two sides of a supporting head with a wall body after the beam bottom templates are spliced on the ground, and correcting the elevation of the beam bottom by adjusting an independent supporting rod; secondly, after the beam bottom formwork is installed and corrected, beam side formworks are installed, angle formworks between a wall column and a floor slab are installed at the same time, and the formworks are fastened and corrected by pins; arranging the templates according to the template numbers, sequentially installing a floor template, an aluminum alloy keel and an independent support from the wall column or the beam edge along the longitudinal direction of the supporting aluminum alloy keel, and completing the installation of the floor template and the independent support of the whole span or the whole room according to the sequence; fourthly, after the floor slab template is installed, measuring the flatness of the template by using a level gauge, and adjusting the flatness to be within a standard allowable range through independent support; fifthly, adding two horizontal rods to the independent support frame with the floor height exceeding 3.5m or using a spigot-and-socket full scaffold as a support;
s6, hoisting the laminated slab, namely, penetrating a steel wire rope into four embedded hanging rings on the prefabricated slab, and slowly hoisting after connection and fastening are confirmed; secondly, slowly hoisting the prefabricated plate by a crane, stopping hoisting when the bottom edge of the prefabricated plate rises to 500mm away from the ground, checking whether the hoisting is firm again, and if the plate surface is not polluted and damaged, continuing to hoist to enable the prefabricated plate to be slowly close to the installation operation surface after the situation that the prefabricated plate is not wrong is confirmed; thirdly, when the composite slab is close to the installation working face to be in place, the composite slab is vertically installed downwards from the top, the lifting is stopped at the position 200mm above the working layer, a constructor holds the floor slab by hand to adjust the direction, and the side line of the slab is aligned with the aluminum alloy template and then is put down;
s7, binding the steel bars of the beam plate, cleaning up sundries on the laminated slab before binding the steel bars, binding the steel bars according to the distance between the steel bars and elastic lines, and penetrating the steel bars into a truss on the laminated floor slab during binding; placing the two-way plate steel bars: when the diameters and the intervals of the two-way reinforcing bars are the same, the short-span reinforcing bars are placed below the long-span reinforcing bars; when the diameters or the intervals of the two-way reinforcing bars are different, the reinforcing bar in the large direction is placed below the reinforcing bar in the small direction;
s8, pouring concrete, after the template is corrected and reinforced, checking whether the root plugging of the wall column is in place, and pouring the concrete after the wall column is concealed and accepted;
s9, removing the aluminum mold to a previous layer, adding four or more test blocks with the same conditions for guiding the removal of accessories of the on-site template, uniformly arranging the template removal according to the pressure test strength of the test blocks with the same conditions by projects, removing the wall column, the beam side template, the beam bottom template, and finally removing the independent support, uniformly prying and loosening the removed template by using a special pull rod, removing and collecting parts such as pins and the like while removing, preventing loss, timely cleaning and finishing the removed template, and transferring the template to a working surface of the previous layer according to a corresponding position for stacking and neatly placing.
2. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in the step S3, the fabricated shear wall structure embedded column node has three types, namely a first type, an L type and a T type, and the steel bar binding sequence of the three types of nodes is as follows:
the method comprises the following steps:
1) firstly, sequentially arranging the open stirrups on the overhanging reinforcing steel bars on the two sides;
2) connecting vertical steel bars;
3) binding the stirrups and the vertical steel bars according to the requirements of a drawing;
II, L-shaped:
1) sequentially placing the bidirectional closed stirrups on the steel bars extending outwards at the two sides;
2) connecting vertical steel bars;
3) binding the stirrups and the vertical steel bars according to the requirements of a drawing;
③ T-shaped:
1) placing an opening stirrup parallel to the direction of the outer wall, wherein the opening stirrup is arranged on the outer side;
2) connecting the longitudinal steel bars outside the closed stirrups;
3) placing a closed stirrup vertical to the direction of the outer wall;
4) and connecting the longitudinal steel bars on the inner side of the closed stirrup, and binding the stirrup and the vertical steel bars according to the drawing requirements.
3. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in the step S6, when the laminated slab is hoisted, four hoisting points or any one of six hoisting points is used for hoisting.
4. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in the step S6, in the process of putting down the laminated slab, the reserved steel bars of the laminated slab and the wall steel bars are placed in a staggered manner, and the laminated slab is put down slowly and stably to avoid the vibration and crack of the slab surface caused by excessive impact force.
5. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in the step S7, the relationship between the hogging moment tendon perpendicular to the truss tendon and the distribution tendon is as follows: the hogging moment rib is arranged on the distribution rib; the relationship between the hogging moment rib parallel to the truss rib and the distribution rib is as follows: the hogging moment rib is arranged below the distribution rib.
6. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in the step S8, a concrete vibrator is used to perform vibration during the concrete pouring process, so as to reduce the generation of air bubbles.
7. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in step S9, the removal process of each component template includes:
wall column and beam side template: dismantling the inclined strut and the back edge of the wall column template → dismantling the pin between the wall column and the beam side template → dismantling the wall column and the beam side template;
beam and plate bottom template: removing internal corner aluminum molds between the beam plate and the wall column → removing pins between the beam and the plate bottom mold plate → removing bolts at two sides of the supporting head → removing the aluminum alloy main keel;
thirdly, independent supporting: loosening the bolts of the independent support rods → dismantling the independent support vertical rods.
8. The assembly type building aluminum alloy formwork construction process of claim 1, characterized in that: in the step S9, the template turns over the running layer through the reserved material transfer port, the reserved installation hole, the elevator shaft hole, the stair hole and the like on the floor.
CN202110226218.9A 2021-03-01 2021-03-01 Construction process of assembled building aluminum alloy template Pending CN112854745A (en)

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CN113719137A (en) * 2021-09-29 2021-11-30 徐红伟 Construction engineering secondary structure and masonry engineering and main body engineering synchronous construction method

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