CN113898171A - Ultrahigh two-side floor-free wall supporting system and construction method - Google Patents
Ultrahigh two-side floor-free wall supporting system and construction method Download PDFInfo
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- CN113898171A CN113898171A CN202111189026.1A CN202111189026A CN113898171A CN 113898171 A CN113898171 A CN 113898171A CN 202111189026 A CN202111189026 A CN 202111189026A CN 113898171 A CN113898171 A CN 113898171A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
- E04G1/04—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The embodiment of the application discloses a superelevation both sides do not have floor wall body support system and construction method, relate to the technical field of building construction, including the shear force wall, set up the scaffold on both sides of the shear force wall, lay the scaffold board on the scaffold, the temporary horizontal steel pipe of drawknot between scaffold of both sides, set up both sides of shear force wall and lie in the template between the scaffold and install main joist, secondary joist and diagonal brace piece on the template, the temporary horizontal steel pipe lies above the template, main joist, secondary joist and through-wall bolt use the mountain-shaped card to fasten, there are through-wall bolts horizontally between the templates, both ends of through-wall bolt carry on the drawknot with the scaffold of both sides respectively; horizontal tie steel pipes are arranged on the scaffolds on the two sides, one end of each horizontal tie steel pipe on each side is tied with the main keel, and the other end of each horizontal tie steel pipe is tied with the main node of the scaffold. The embodiment of the application is suitable for the construction of the cast-in-place concrete shear wall with higher height and without horizontal restraining members such as concrete floor slabs, beams and the like adjacent to the cast-in-place concrete shear wall on two sides.
Description
Technical Field
The application relates to the technical field of building construction. In particular to an ultrahigh two-side non-floor wall body supporting system and a construction method.
Background
In public buildings such as large-scale stadiums, theaters and exhibition halls, the height of the cast-in-place shear wall is high, concrete of the wall cannot be poured at one time, vertical sectional construction is needed, the wall formwork is too long to fall to the ground in the upper-layer wall construction process, and the shear wall formwork lacks transverse support.
Disclosure of Invention
In view of this, the present application provides an ultrahigh two-sided floorless wall support system and a construction method.
In a first aspect, an embodiment of the application provides an ultrahigh two-side wall support system without a floor, which includes a shear wall, scaffolds erected on two sides of the shear wall, scaffold boards laid on each layer of the scaffolds, temporary horizontal steel pipes tied between the scaffolds on two sides, formworks erected on two sides of the shear wall and located between the scaffolds, and main joists, secondary joists and inclined support members installed on the formworks, wherein the temporary horizontal steel pipes are located above the formworks, concrete pouring spaces are formed in the formworks, the main joists, the secondary joists and the wall-through bolts are fastened by using a mountain-shaped clamp, wall-through bolts are horizontally arranged between the formworks, and two ends of the wall-through bolts are respectively tied with the scaffolds on two sides;
the scaffold on both sides is all provided with horizontal drawknot steel pipe, wherein, the one end drawknot main joist of horizontal drawknot steel pipe of each side, the other end drawknot scaffold owner node.
According to a concrete implementation mode of this application embodiment, the piece is propped up including the bracing steel pipe and setting and is in the U on bracing steel pipe top holds in the palm the bracing, the piece is propped up to the one end of bracing in on the main joist, the other end of bracing piece install in on the main node of scaffold frame.
According to a specific implementation manner of the embodiment of the application, the distance between the vertical rod of the scaffold and the shear wall is less than or equal to 300 mm.
According to a concrete implementation mode of the embodiment of the application, the template adopts a plywood, the main keel adopts double steel pipes, and the secondary keel adopts battens.
In a second aspect, the embodiment of the application provides a construction method of an ultrahigh two-side floorless wall support system, which comprises base layer shear wall construction and multi-section upper layer shear wall construction;
wherein, the construction of basic unit's shear force wall includes:
building a plurality of rows of steel pipe scaffolds on two sides of the shear wall;
arranging temporary horizontal steel pipes on the scaffolds horizontally to connect the scaffolds on two sides of the shear wall into a whole;
erecting formworks on two sides of the shear wall and between the scaffolds to form a concrete pouring space in the formworks, wherein the top ends of the formworks are positioned below the temporary horizontal steel pipes;
horizontally arranging wall-penetrating bolts between the templates, and enabling the wall-penetrating bolts to penetrate through the mounting holes in the templates;
installing a main keel and a secondary keel on the template, screwing the through-wall bolt and installing an inclined strut member;
and pouring concrete in the concrete pouring space to form a first section of shear wall structure.
According to a specific implementation manner of the embodiment of the application, the construction of the upper shear wall comprises the following steps:
continuously erecting the scaffold of the first section of shear wall structure upwards;
horizontally arranging a new temporary horizontal steel pipe on a new scaffold, and dismantling the temporary horizontal steel pipe in the construction of the base layer shear wall;
erecting a new template on the first section of shear wall structure, and enabling the new template to embrace the first section of shear wall by 600 mm;
horizontally arranging wall-penetrating bolts between the new templates, and enabling the wall-penetrating bolts to penetrate through the mounting holes in the templates;
installing a main keel and a secondary keel on the template, screwing the through-wall bolt and installing an inclined strut member;
and pouring concrete in the new template to form a second section of shear wall structure.
According to a concrete implementation of this application embodiment, before setting up multirow steel pipe scaffold frame in the both sides of shear force wall, still include:
according to the design of given wall positioning, a 50mm line is externally controlled by a skin line outside the wall and a template, and is used for snapping on the concrete ground, and the line is used as a reference line when the upper wall is constructed.
According to a specific implementation manner of the embodiment of the application, the installation diagonal stay comprises:
and one end of the diagonal support piece is abutted against the main keel on the template, and the other end of the diagonal support piece is arranged on the main node of the scaffold.
According to a specific implementation mode of the embodiment of the application, the temporary horizontal steel pipe is constructed in a two-span one-pull mode.
According to a specific implementation manner of the embodiment of the application, the height of the top of the scaffold on two sides of the shear wall after being erected every time is 2m of the upper part of the working face, and the temporary horizontal steel pipe is tied at the position of 1.8m of the upper part of the working face.
Compared with the prior art, the method has the following characteristics and beneficial effects:
according to the ultrahigh two-side wall body support system without the floor slab and the construction method, a vertical sectional pouring mode is adopted, through arranging the through-wall bolts in the shear wall to serve as pulling points of scaffolds on two sides of the shear wall, after the pouring is completed, the through-wall bolts are anchored in concrete, after the scaffolds are effectively pulled and connected with the shear wall, the through-wall bolts can be gradually connected to the support system serving as an upper shear wall template, when the upper shear wall is constructed, the template is held to the lower shear wall with the pouring completed on the lower layer, the perpendicularity and the flatness of the shear wall are effectively controlled, the construction process of the upper shear wall is repeated, the sectional construction is sequentially carried out upwards, the pouring of the top concrete is completed until the designed elevation of the shear wall is reached.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a sectional view of a first formwork installation in an ultra-high two-sided floorless wall support system in accordance with an embodiment of the present application;
fig. 2 is a schematic view of a formwork lower-holding installation node in the ultrahigh two-side floorless wall support system according to the embodiment of the application;
fig. 3 is a flowchart of base layer shear wall construction in the construction method of the ultrahigh two-sided floorless wall support system according to the embodiment of the present application;
fig. 4 is a flowchart of upper shear wall construction in the construction method of the ultrahigh two-sided floorless wall support system according to the embodiment of the application;
FIG. 5 is a schematic diagram showing typesetting of shear wall templates;
fig. 6 is a schematic diagram showing a processing mode of the vertical plate seam of the template.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and 2, the embodiment of the present application provides an ultrahigh two-sided floorless wall support system, which is used for forming an ultrahigh floorless continuous shear wall 1 structure, and the support system is used for performing segmented formation of a shear wall 1, and a lower-poured shear wall 1 structure provides a foundation for a structure built on a formwork 4 at the upper part, so as to solve the problem of unstable support of the formwork 4 in the construction of a cast-in-place shear wall 1, and specifically, the system may include a shear wall 1, scaffolds 2 built on two sides of the shear wall 1, scaffold boards laid on each layer of the scaffolds 2, temporary horizontal steel pipes 3 tied between the scaffolds 2 at two sides, formworks 4 built on two sides of the shear wall 1 and located between the scaffolds 2, and main joists, secondary joists and diagonal braces 5 installed on the formworks 4, wherein the temporary horizontal steel pipes 3 are located above the formworks 4, and form a concrete pouring space in the formworks 4, the main keel, the secondary keel and the wall-through bolt 6 are fastened by using a mountain-shaped clamp, the wall-through bolt 6 is horizontally arranged between the formworks 4, and two ends of the wall-through bolt 6 are respectively tied with the scaffolds 2 at two sides; the horizontal tie steel pipes are arranged on the scaffolds 2 on the two sides, wherein one end of each horizontal tie steel pipe on each side is tied with the main keel, and the other end of each horizontal tie steel pipe is tied with the main node of the scaffold 2.
After the shear wall 1 in the above embodiment is poured, a first section of shear wall 1 structure is formed, segmented construction is continuously performed on the first section of shear wall 1 until the shear wall 1 at the topmost layer is poured and reaches a designed elevation, and each section of shear wall 1 structure is erected by a template 4 of the shear wall 1 structure located at the upper part of the shear wall 1 structure to provide a support foundation, so that the problems that the cast-in-place shear wall 1 in the prior art is high in wall body and concrete of the wall body cannot be poured at one time are solved, meanwhile, a segmented construction mode is adopted, scaffolds 2 at two sides of the shear wall 1 are effectively connected with wall penetrating bolts 6 arranged in the poured shear wall 1, and stable support is provided for erection of the template 4 of the upper shear wall 1.
In an embodiment of the present invention, starting from the second section of the formwork 4 until the formwork is poured to the elevation, the formwork 4 erected during each section of construction is placed on the lower poured shear wall 1 adjacent to the formwork. In this embodiment, the length of the first section of shear wall 1 under the formwork 4 can be 600mm, and in actual construction, a constructor can reasonably set the size of the lower holding wall according to design or actual conditions, and this embodiment does not specifically limit this.
The wall bolt 6 provided in this embodiment is not provided with a sleeve, that is, the wall bolt for tying the scaffolds on both sides is overlength and is not provided with a sleeve.
In an embodiment of this embodiment, the distance between the vertical rod of the scaffold 2 and the shear wall 1 is less than or equal to 300mm, and the specific lengths of the frame cross distance, the frame longitudinal distance, and the frame step distance may be set according to practical engineering conditions, which is not specifically limited in this embodiment.
When the scaffold 2 is erected, the long scaffold boards are laid according to the position line of the scaffold body to serve as vertical rod base plates, vertical rods and horizontal rods are installed, longitudinal floor sweeping rods are placed, the vertical rods are sequentially erected towards two sides one by one from the corners and are connected with the longitudinal floor sweeping rods immediately, and the distance between the longitudinal floor sweeping rods (large cross rods) and the ground is 200 mm. After 3-4 vertical rods are erected on each side, the longitudinal horizontal rods and the vertical rod fasteners in the first step are fixed, and meanwhile, the horizontal rods are corrected to be horizontal. Sequentially setting up the materials forwards and layer by layer. The building height of the scaffold 2 is the upper part of the concrete pouring completion surface, and the length from the concrete pouring completion surface can be specifically built according to the actual construction situation, which is not specifically limited in this embodiment.
Through using the through-wall bolts 6 to tie the scaffolds 2 on the two sides of the shear wall 1 as a support system for the template 4 of the upper shear wall 1, the problem of unstable support of the template 4 in the construction of the cast-in-place shear wall 1 is solved.
After concrete pouring is finished, in the process of removing the template 4, the through-wall bolts 6 in the shear wall 1 are not cut off, and the embedded through-wall bolts 6 are used as the tie nodes of the scaffolds 2 at two sides of the shear wall 1.
In an embodiment of the present embodiment, the diagonal support member 5 includes a diagonal support steel pipe 51 and a U-shaped support diagonal support 52 screwed on the top end of the diagonal support steel pipe 51, one end of the diagonal support member 5 abuts against the main keel, and the other end of the diagonal support member 5 is installed on the main node of the scaffold 2.
In one embodiment of this embodiment, the form 4 is plywood, the main joist is made of double steel pipes, and the secondary joist is made of wood. It should be noted that the materials of the formwork 4 and the keel may be reasonably selected according to actual construction conditions, and this embodiment is not particularly limited thereto.
Before concrete is poured into the first section of formwork 4, wall-through bolts 6 are arranged between the formworks 4, two ends of each wall-through bolt 6 are respectively tied with the adjacent scaffolds 2, after the first section of concrete is poured, the wall-through bolts 6 are anchored in the first section of shear wall 1 structure, the poured shear wall 1 can provide stable support for the upper part to continue to set up the formworks 4, the formworks 4 are repeatedly set up on the poured shear wall 1 structure, and new concrete is poured until the topmost shear wall 1 is poured.
The application provides a pair of superelevation both sides do not have floor wall body support system, can effectively solve 1 construction of cast-in-place shear force wall 4 and support unstable problem, 1 both sides scaffold frame 2 of shear force wall and the effective drawknot back of the wall bolt 6 that buries in pouring shear force wall 1, can regard as the support system of 1 template 4 of upper portion shear force wall, on 4 armful installations of template have been poured shear force wall 1 down, can effectively control the straightness and the roughness that hang down of superelevation shear force wall 1, be particularly useful for public buildings such as large-scale venue, the theater, the exhibition hall, have very high spreading value.
As shown in fig. 3 and 4, an embodiment of the present application provides a construction method of an ultrahigh two-sided floorless wall support system, which may include the following steps:
constructing a base layer shear wall and a multi-section upper layer shear wall;
as shown in fig. 3, the construction of the base layer shear wall may include the following steps:
and S101, erecting multiple rows of steel pipe scaffolds 2 on two sides of the shear wall 1.
2 planar layout of scaffold frame, pole setting apart from shear force wall 1 be less than or equal to 300mm, and the concrete length of support body transverse distance, vertical pitch and stride can be set for according to engineering actual conditions, and this embodiment does not do this and specifically limits.
The long scaffold board is laid according to the position line of the frame body to be used as a vertical rod base plate, vertical rods and horizontal rods are installed, the longitudinal floor sweeping rods are placed, the vertical rods are sequentially arranged from the corner part to the two sides one by one, and then the longitudinal floor sweeping rods are connected with the longitudinal floor sweeping rods, and the distance between the longitudinal floor sweeping rods (large transverse rods) and the ground is 200 mm. After 3-4 vertical rods are erected on each side, the longitudinal horizontal rods and the vertical rod fasteners in the first step are fixed, and meanwhile, the horizontal rods are corrected to be horizontal. Sequentially setting up the materials forwards and layer by layer.
The top height of the scaffolds 2 on the two sides of the shear wall 1 after each erection is 2m of the upper part of the working surface.
And S102, horizontally arranging temporary horizontal steel pipes 3 on the scaffolds 2 to connect the scaffolds 2 on two sides of the shear wall 1 into a whole.
The temporary horizontal steel pipe 3 is tied at an interval of two spans and one pull, and the temporary horizontal steel pipe 3 is tied at the position of 1.8m above the working face.
And S103, erecting formworks 4 on two sides of the shear wall 1 and between the scaffolds 2, so that concrete pouring spaces are formed in the formworks 4, wherein the top ends of the formworks 4 are positioned below the temporary horizontal steel pipes 3.
According to the installation requirements of the wall formworks 4, centralized processing is carried out in a formwork 4 processing factory, and the formworks 4 are perforated in advance and stacked in a classified mode so as to be used during construction.
The wall formwork 4 is made of common glue and plates, the secondary keel is made of battens, and the main keel is made of double steel pipes. And (3) combining the drawings of 5 and 6, splicing the transverse and longitudinal formworks 4 in a splicing manner, and plugging and connecting the vertical plate seams in a blank pressing strip manner.
And S104, horizontally arranging the wall bolts 6 between the formworks 4, and enabling the wall bolts 6 to penetrate through the mounting holes in the formworks 4.
And two ends of the through-wall bolt 6 are respectively tied with the adjacent scaffolds 2.
And S105, installing a main keel and a secondary keel on the template 4, screwing down the through-wall bolt 6 and installing the diagonal stay piece 5.
The diagonal bracing piece 5 comprises a diagonal bracing steel pipe 51 and a U-shaped support diagonal bracing 52 in threaded connection with the top end of the diagonal bracing steel pipe 51, when the diagonal bracing piece 5 is installed, one end of the diagonal bracing piece 5 is abutted against the main keel on the template 4, and the other end of the diagonal bracing piece is installed on the main node of the scaffold 2.
The bottom of the wall body is provided with a cleaning opening, the cleaning opening is sealed after use, a small template 4 is adopted for sealing, and sponge strips are used for adhering seams.
And S106, pouring concrete in the concrete pouring space to form a first section of shear wall 1 structure.
After the pouring is completed, the through-wall bolts 6 are anchored in the structure of the first section of shear wall 1.
In this embodiment, when concrete is poured, a spreader or an automobile pump is used for pouring, the pouring height of the concrete is equal to the supporting height of the template 4, the pouring of the concrete is controlled within 50m of each hour, the concrete pouring is uniform and synchronous, construction joints are reduced as much as possible, and the joint quality of the layered pouring concrete is controlled.
And (3) dismantling the template 4 after the concrete poured at the first section reaches the template dismantling strength, ensuring that the concrete at the internal and external corners has certain strength during template dismantling, avoiding damage during template dismantling, dismantling from top to bottom during template dismantling, avoiding colliding with the concrete, and paying attention to finished product protection.
The concrete curing of the wall body adopts water spraying curing, the water spraying process is required to be noticed during curing, omission is avoided, and the water spraying amount is preferably used for keeping the surface of the wall body wet.
In the process of dismantling the template 4, the through-wall bolts 6 in the shear wall 1 are not cut off, and the embedded through-wall bolts 6 are used as the tie nodes of the frame bodies on the two sides of the wall body.
After the wall concrete pouring is completed and the formwork 4 is dismantled, the wall penetrating bolts 6 and the mountain-shaped cards which are pre-embedded in the wall formwork 4 support fix the secondary keels and the main keels, one end of the tie transverse rod is connected with the main keels, the other end of the tie transverse rod is connected with the main nodes of the frame body, and at least two vertical rods of the frame body and the main nodes of the transverse rod are tied to meet the stability of the frame body.
The scaffolds 2 on the two sides of the wall body are tied, the scaffold body is tied with the wall body through the steel pipes clamped by the split bolts in the wall, and the lower parts of the construction joints are arranged at the tie points.
As shown in fig. 4, in an embodiment of the present embodiment, the construction of the upper shear wall 1 may include the following steps:
s201, continuously erecting the scaffold 2 of the first section of shear wall 1 structure upwards.
S202, horizontally arranging a new temporary horizontal steel pipe 3 on the new scaffold 2, and dismantling the temporary horizontal steel pipe 3 in the construction of the base layer shear wall 1.
S203, building a new template 4 on the first section of shear wall 1 structure, and enabling the new template 4 to embrace the first section of shear wall 1600mm downwards.
And S204, horizontally arranging the wall bolts 6 between the new formworks 4, and enabling the wall bolts 6 to penetrate through the mounting holes in the formworks 4.
S205, installing a main keel and a secondary keel on the template 4, screwing down the through-wall bolt 6 and installing the diagonal bracing piece 5;
and S206, pouring concrete in the new template 4 to form a second section of shear wall 1 structure.
In this embodiment, the construction steps of the upper layer shear wall are similar to those of the base layer shear wall in the above embodiment, and when the shear wall 1 needs to be continuously poured upwards, the work of removing the formwork 4, performing water spraying maintenance on concrete, and the like in the construction steps of the base layer shear wall is still required, which is not described in detail in this embodiment.
And repeating the construction steps of the upper shear wall 1 until the concrete pouring of the topmost layer is completed, and finally dismantling the scaffold 2.
The scaffold 2 is dismantled and needs to be dismantled from top to bottom in a segmented and layered mode, the body guard rails, the scaffold boards and the transverse horizontal rods are firstly dismantled, and then the upper fasteners and the connecting rods of the cross braces are dismantled in sequence. And before the last two steps of dismantling, a temporary reinforcing inclined strut is erected to prevent the frame body from toppling. The wall connecting piece must be released and removed after the upper rod piece is removed (except for the extending upright rod).
In an embodiment of the present embodiment, before the multiple rows of steel pipe scaffolds 2 are erected on both sides of the shear wall 1, the method may further include:
according to the design of given wall positioning, the outer leather line of the wall and the outer 50mm line of the template 4 are controlled, the ink marker is used for bouncing on the concrete ground, and the line is used as a reference line when the upper wall is constructed.
The method of this embodiment is a technical solution based on the embodiment of the support system shown in fig. 1, and the implementation principle and technical effect are similar, which are not described herein again.
The construction method of the ultrahigh two-side wall support system without the floor provided by the embodiment solves the problem of how to set up a construction operation platform under the condition that no floor exists on two sides in the prior art, adopts multiple rows of scaffolds 2 on two sides of the wall, and performs drawknot through the wall bolts 6, after the scaffolds 2 on two sides of the shear wall 1 and the wall bolts 6 buried in the poured shear wall 1 are effectively drawn and knotted, the scaffolds can be used as a support system for a template 4 of the upper shear wall 1, and meanwhile, the template 4 is arranged on the poured shear wall 1 in a lower holding manner, so that the verticality and the flatness of the ultrahigh shear wall 1 can be effectively controlled.
It should be noted that, in this document, the emphasis points of the solutions described in the embodiments are different, but there is a certain correlation between the embodiments, and when understanding the solution of the present application, the embodiments may be referred to each other; moreover, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a superelevation both sides do not have floor wall body support system which characterized in that: comprises a shear wall (1), scaffolds (2) erected on two sides of the shear wall (1), scaffold boards laid on each layer of the scaffolds (2), temporary horizontal steel pipes (3) tied between the scaffolds (2) on two sides, templates (4) erected on two sides of the shear wall (1) and positioned between the scaffolds (2), and main keels, secondary keels and diagonal bracing members (5) arranged on the templates (4), the temporary horizontal steel pipe (3) is positioned above the template (4), a concrete pouring space is formed in the template (4), the main keel, the secondary keel and the wall-through bolt (6) are fastened by using a mountain-shaped clamp, wall-penetrating bolts (6) are horizontally arranged between the formworks (4), and two ends of each wall-penetrating bolt (6) are respectively tied with the scaffolds (2) on two sides;
the scaffold (2) on both sides all is provided with horizontal drawknot steel pipe, wherein, the one end drawknot main joist of horizontal drawknot steel pipe of each side, other end drawknot scaffold (2) host node.
2. The ultra-high two-sided non-floor wall support system of claim 1, wherein: the diagonal bracing piece (5) comprises a diagonal bracing steel pipe (51) and a U-shaped support diagonal bracing (52) arranged at the top end of the diagonal bracing steel pipe (51), one end of the diagonal bracing piece (5) is abutted against the main keel, and the other end of the diagonal bracing piece (5) is installed on the main node of the scaffold (2).
3. The ultra-high two-sided non-floor wall support system of claim 1, wherein: the distance between the vertical rod of the scaffold (2) and the shear wall (1) is less than or equal to 300 mm.
4. The ultra-high two-sided non-floor wall support system of claim 1, wherein: the template (4) adopts a plywood, the main keel adopts double steel pipes, and the secondary keel adopts battens.
5. A construction method of an ultrahigh two-side floorless wall supporting system is characterized by comprising the following steps: constructing a base layer shear wall (1) and constructing a multi-section upper layer shear wall (1);
wherein, the construction of the shear wall (1) of the base layer comprises the following steps:
a plurality of rows of steel pipe scaffolds (2) are erected on two sides of the shear wall (1);
the temporary horizontal steel pipes (3) are horizontally arranged on the scaffolds (2) so as to connect the scaffolds (2) on two sides of the shear wall (1) into a whole;
erecting formworks (4) on two sides of the shear wall (1) and between the scaffolds (2) to form a concrete pouring space in the formworks (4), wherein the top ends of the formworks (4) are positioned below the temporary horizontal steel pipes (3);
horizontally arranging wall-penetrating bolts (6) between the formworks (4) to enable the wall-penetrating bolts (6) to penetrate through mounting holes in the formworks (4);
installing a main keel and a secondary keel on the template (4), screwing down the wall penetrating bolt (6) and installing a diagonal stay piece (5);
and pouring concrete in the concrete pouring space to form a first section of shear wall (1) structure.
6. The construction method of the ultra-high two-sided floorless wall support system according to claim 5, wherein the upper shear wall (1) construction comprises:
continuously erecting the scaffold (2) of the first section of shear wall (1) structure upwards;
horizontally arranging a new temporary horizontal steel pipe (3) on the new scaffold (2), and dismantling the temporary horizontal steel pipe (3) in the construction of the base layer shear wall (1);
erecting a new template (4) on the first section of the shear wall (1) structure, and enabling the new template (4) to hold the first section of the shear wall (1) by 600 mm;
horizontally arranging wall-penetrating bolts (6) between the new templates (4) and enabling the wall-penetrating bolts (6) to penetrate through mounting holes in the templates (4);
installing a main keel and a secondary keel on the template (4), screwing down the wall penetrating bolt (6) and installing a diagonal stay piece (5);
and pouring concrete in the new template (4) to form a second section of shear wall (1) structure.
7. The construction method of the ultrahigh two-sided floorless wall support system according to claim 5, wherein before the plurality of rows of steel pipe scaffolds (2) are erected on two sides of the shear wall (1), the construction method further comprises:
according to the design of given wall positioning, the outer leather line of the wall and the template (4) are controlled by 50mm, the ink marker is used for bouncing on the concrete ground, and the line is used as a reference line when the upper wall is constructed.
8. The method of constructing an ultra high two-sided floorless wall support system according to claim 5, wherein the installing the diagonal stay (5) comprises:
and one end of the diagonal support piece (5) is abutted against the main keel on the template (4), and the other end of the diagonal support piece is arranged on the main node of the scaffold (2).
9. The method of constructing an ultra-high two-sided non-floor wall support system according to claim 6, wherein: the temporary horizontal steel pipe (3) is constructed in a two-span one-pull mode.
10. The method of constructing an ultra-high two-sided non-floor wall support system according to claim 6, wherein: the height of the top of the erected scaffolds (2) on the two sides of the shear wall (1) is 2m of the upper part of the working face, and the temporary horizontal steel pipe (3) is tied at the position of 1.8m of the upper part of the working face.
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| CN202111189026.1A CN113898171A (en) | 2021-10-12 | 2021-10-12 | Ultrahigh two-side floor-free wall supporting system and construction method |
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| CN202111189026.1A CN113898171A (en) | 2021-10-12 | 2021-10-12 | Ultrahigh two-side floor-free wall supporting system and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439202A (en) * | 2022-02-11 | 2022-05-06 | 赵立财 | Thin-wall ultrahigh wall body double-side template operation platform and adjustable fixing system |
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