CN108571094A - Web holes part compound shear wall-composite coupling beams coupled wall and preparation method thereof - Google Patents
Web holes part compound shear wall-composite coupling beams coupled wall and preparation method thereof Download PDFInfo
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- CN108571094A CN108571094A CN201810617114.9A CN201810617114A CN108571094A CN 108571094 A CN108571094 A CN 108571094A CN 201810617114 A CN201810617114 A CN 201810617114A CN 108571094 A CN108571094 A CN 108571094A
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- web
- coupling beams
- composite coupling
- trepanning
- lattice
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- 230000008878 coupling Effects 0.000 title claims abstract description 74
- 238000010168 coupling process Methods 0.000 title claims abstract description 74
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 74
- 239000002131 composite material Substances 0.000 title claims abstract description 64
- 150000001875 compounds Chemical class 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 105
- 239000010959 steel Substances 0.000 claims abstract description 105
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000003351 stiffener Substances 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 16
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
Abstract
This application involves a kind of web holes part compound shear wall composite coupling beams coupled walls and preparation method thereof, including at least 2 PEC shear walls, and composite coupling beams, the PEC shear walls are the H profile steel skeletons being formed by connecting with multiple one words of T shaped steels and are filled in the intraskeletal Combined concrete of H profile steel and form；Along the length direction of H profile steel skeleton, in the spaced set trepanning of web center；The composite coupling beams include H profile steel beam, the H profile steel beam includes steel beam web plate and the steel beam flange for being set to steel beam web plate both ends, hole is opened up in steel beam web plate center, multi-disc PEC shear walls are connected piecewise by composite coupling beams and form novel compositions shear wall composite coupling beams coupled wall.Combination prefabricated components in part are prepared using the achievable web holes pouring type of the present invention, one-time-concreting, primary maintenance may be implemented, reduce the period prepared by component.
Description
Technical field：
This application involves a kind of building element and its construction methods, more particularly to a kind of web holes part compound shear wall-
Composite coupling beams coupled wall and preparation method thereof, belongs to construction engineering technical field.
Background technology：
Part outsourcing compound shear wall（Partially Encased Composite Shear Wall, hereinafter referred to as PEC shearings
Wall）It is a kind of novel fabricated steel-concrete compound shear wall, the shear wall is without carrying out vertical and horizontal steel bar tie up
It pricks, overall construction is simple；Component can be completed in factory process, and scene only carries out splicing installation, can ensure component construction quality
On the basis of efficiently reduce construction period, have good economic benefits.
Coupled wall system is that two panels or multi-disc shear wall are connected with concrete connecting-beam, resists water as a whole
Tilting moment under flat force effect.Coupling beam transmits the vertical load between adjacent wall limb, causes to generate couple to resist earthquake
Tilting moment.
Since traditional PEC shearing wall preparation methods are to be horizontally arranged H profile steel component in such a way that web is parallel to ground
On pedestal, in the both ends branch cheek board of steel member, toward casting concrete between web and the edge of a wing, wait for that the concrete of component side is supported
After shield knot is hard, flip component, then pour another side.This preparation method needs to carry out curing concrete twice to a component,
Period prepared by component is longer.
Invention content：
In view of the above-mentioned drawbacks of the prior art, the purpose of the present invention is to provide a kind of web holes part combined shears
Wall-composite coupling beams coupled wall combines two panels or the outsourcing of multi-disc part（PEC）Shear wall is connected with steel coupling beam；And
For Optimizing construction technique, implements web holes pouring type and prepare part combination prefabricated components, one-time-concreting may be implemented, once support
Shield reduces the period prepared by component.
To achieve the goals above, the technical solution adopted by the present invention is:A kind of web holes part compound shear wall-
Composite coupling beams coupled wall, including 2 or 2 or more PEC shear walls, and the composite coupling beams for connecting PEC shear walls, institute
The PEC shear walls stated are the H profile steel skeletons being formed by connecting with multiple one words of T shaped steels and are filled in the intraskeletal coagulation of H profile steel
Soil is composed；The H profile steel skeleton includes web and the wing plate perpendicular to web, along the length direction of H profile steel skeleton,
The spaced set trepanning of web center；The composite coupling beams include H profile steel beam and the coagulation local soil type that is filled in H profile steel beam
At the H profile steel beam includes steel beam web plate and the steel beam flange for being set to steel beam web plate both ends, is opened in steel beam web plate center
Multi-disc PEC shear walls are connected by composite coupling beams and form novel compositions shear wall-composite coupling beams coupled wall by apertured hole piecewise.
The application be further disposed in：
The H profile steel skeleton is formed by connecting using one word of at least three T shaped steels, and H profile steel skeleton is divided into centre by wing plate
Middle area's lattice and both sides border area lattice, along the length direction of H profile steel skeleton, the web of middle area's lattice and border area lattice center equidistantly
Trepanning is set.
The trepanning size and spacing can be adjusted according to the length and width of girder steel, and trepanning is made to be suitble to concrete flowing.
Further, the trepanning of both sides border area lattice is symmetrical set, the trepanning of position of opening and border area lattice on middle area's lattice
In being staggered, the connecting portion of PEC shear walls and composite coupling beams does not set trepanning for position.
Distance of the trepanning of border area lattice away from PEC shear walls bottom be more than middle area's lattice trepanning away from PEC shear walls bottom away from
From.
Preferably, it is welded perpendicular to the left and right of steel beam flange at the left and right beam side 50mm of distance between the steel beam flange of both sides
Vertical stiffener, the fill concrete between upper and lower steel beam flange and left and right vertical stiffener, forming portion subassembly coupling beam.
In the PEC shear walls upper, lower horizontal is welded close to the border area lattice position of composite coupling beams connecting node to stiffener,
The upper, lower horizontal is corresponding with the upper and lower steel beam flange of composite coupling beams to the installation position of stiffener.
The lateral stiffening plate thickness is composite coupling beams web thickness tf+2.
Another object of the present invention is to provide a kind of web holes part compound shear wall-composite coupling beams coupled walls
Production method.
In order to realize that the second purpose, the technical solution adopted by the present invention be：
A kind of production method of web holes part compound shear wall-composite coupling beams coupled wall comprising following steps：
1）The H profile steel skeleton being formed by connecting by multiple one words of T shaped steels；
2）Along H profile steel skeleton length direction steel skeleton middle area's lattice and border area lattice the spaced set trepanning of web center,
The trepanning of both sides border area lattice is symmetrical set, and the position of opening of the position of opening on middle area's lattice and border area lattice is in be staggered, PEC
The trepanning of shear wall and composite coupling beams connecting portion not trepanning, border area lattice is more than middle area's lattice away from the distance of PEC shear walls bottom
Distance of the trepanning away from PEC shear walls bottom；
3）H profile steel skeleton formwork after trepanning is poured, web is up in horizontal positioned, both ends branch cheek board, from abdomen
Casting concrete above plate face constantly vibrates in casting process so that concrete is reached enough by open flow to web lower part
Enough compactness realize that unilateral side pours preparation part combination prefabricated components；
4）Open up hole in the steel beam web plate of H profile steel beam, after trepanning steel beam web plate away from the 50mm of wall side weld vertical stiffener,
When pouring, web is in horizontal positioned, the casting concrete above web surface upward, is constantly vibrated in casting process so that coagulation
Soil reaches enough compactness by open flow to web lower part, completes the prefabricated of composite coupling beams；
5）After PEC shear walls and the equal pouring molding of composite coupling beams, the coupling beam edge of a wing is welded on web on left and right PEC shear walls,
Form PEC coupled walls.
Compared with prior art the beneficial effects of the present invention are：
1, PEC shear walls and composite coupling beams can be prefabricated in the factory molding, greatly reduce site operation working hour, keep site operation fast
Degree is fast, and assembly rate is high.
2, it is both provided with trepanning on prefabricated PEC shear walls and composite coupling beams component web, PEC shear walls may be implemented
With the concrete in composite coupling beams can unilateral side pour, and primary concreting complete, component conservation is primary, reduce construction working hour with
And curing time.
3, vertical stiffener is welded at the 50mm of beam side in composite coupling beams, this section is made to play resistance in casting concrete
Every effect, the fastness for both being welded to connect, and ensureing connection convenient for coupling beam and PEC shear walls.
4, lateral stiffening plate is welded close to the border area lattice position of steel coupling beam connecting node in PEC shear walls, further strengthened
The rigidity of node region.
The application is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings：
Fig. 1 is the front view of web holes part compound shear wall-composite coupling beams coupled wall of the application；
Fig. 2 is the stereogram of Fig. 1；
Fig. 3 is the vertical view of Fig. 1；
Fig. 4 is that the monolithic PEC shear walls of the application pour front and back structural schematic diagram；
Fig. 5 is that the composite coupling beams of the application pour front and back structural schematic diagram.
Specific implementation mode：
As shown in attached drawing 1 to attached drawing 5, a kind of web holes part compound shear wall-composite coupling beams coupled wall of the application, including
2 or 2 or more PEC shear walls 1, and the composite coupling beams 2 for connecting PEC shear walls 1, will be more by composite coupling beams 2
Piece PEC shear walls 1 connect form novel compositions shear wall-composite coupling beams coupled wall piecewise.
The PEC shear walls 1 are the H profile steel skeletons 11 being formed by connecting with multiple one words of T shaped steels and are filled in H profile steel
Concrete 3 in skeleton 11 is composed.
The H profile steel skeleton 11 includes web 12 and the wing plate 13 perpendicular to web 12, in the present embodiment, described
H profile steel skeleton 11 is formed by connecting using 3 one words of T shaped steels, and H profile steel skeleton 11 is divided into intermediate middle area's lattice by wing plate 13
14 and both sides border area lattice 15, along the length direction of H profile steel skeleton 11, between web center of middle area's lattice 14 and border area lattice 15 etc.
Away from setting trepanning 16,16 size of trepanning and spacing can be adjusted according to the physical length of girder steel and width so that trepanning
16 suitable concrete flowings.By being arranged a large amount of trepannings 16 on the web of H profile steel skeleton 11,11 both sides of perforation H profile steel skeleton,
It is when pouring, the web of H profile steel skeleton 11 is face-up, only it need to pass through trepanning 16 in the unilateral casting concrete of web 12, concrete
12 other side of web is flowed into, overall effect only can be reached by one-time-concreting.
In order to ensure that the intensity of prefabricated PEC shear walls 1, the trepanning 16 of both sides border area lattice 15 are symmetrical set, middle area's lattice
16 position of trepanning of 16 position of trepanning and border area lattice 15 on 14 is in be staggered, the connection of PEC shear walls 1 and composite coupling beams 2
Position does not set trepanning, and the trepanning that the trepannings 16 of border area lattice 14 is more than middle area's lattice 14 away from the distance of 1 bottom of PEC shear walls is cut away from PEC
The distance of 1 bottom of power wall.
The composite coupling beams 2 include that H profile steel beam 21 and the concrete 3 being filled in H profile steel beam 21 form, described
H profile steel beam 21 includes steel beam web plate 22 and the steel beam flange 23 for being set to 22 both ends of steel beam web plate, in 22 center of steel beam web plate
Open up hole 24,24 size of hole, quantity are determined by the developed width of girder steel, length；The spacing of steel beam flange 23 in both sides
From welding at left and right beam side 50mm perpendicular to the left and right vertical stiffener 25 of steel beam flange 23, in 23 He of upper and lower steel beam flange
Fill concrete between left and right vertical stiffener 25, forming portion subassembly coupling beam 2.In the application, welded at the 50mm of beam side
Vertical stiffener 25 is connect, this section can be made to play iris action in casting concrete, ensures composite coupling beams 2 and PEC shear walls 1
Be welded to connect.
Upper, lower horizontal is welded to adding close to 15 position of border area lattice of 2 connecting node of composite coupling beams in the PEC shear walls 1
Strength plate 17, the upper, lower horizontal is corresponding with the upper and lower steel beam flange 23 of composite coupling beams 2 to the installation position of stiffener 17,
Thickness is 2 web thickness tf+2 of composite coupling beams；Its purpose is used to reinforce the stability and firmness of node region.
The production method of web holes part compound shear wall-composite coupling beams coupled wall of the application is as follows：
1）The H profile steel skeleton 11 being formed by connecting by multiple one words of T shaped steels.
2）Length direction along H profile steel skeleton is equidistantly set in middle area's lattice 14 of steel skeleton and the web center of border area lattice 15
Trepanning 16 is set, the trepanning 16 of both sides border area lattice 15 is symmetrical set, and 16 position of trepanning on middle area's lattice 14 is opened with border area lattice 15
16 position of hole is in being staggered, and PEC shear walls 1 and 2 connecting portion not trepanning of composite coupling beams, the trepanning 16 of border area lattice 14 is away from PEC
The distance of 1 bottom of shear wall is more than distance of the trepanning away from 1 bottom of PEC shear walls of middle area's lattice 14.
3）11 formwork of H profile steel skeleton after trepanning is poured, web up in horizontal positioned, aid the border areas mould by both ends
Plate, the casting concrete above web surface constantly vibrate in casting process so that concrete passes through under open flow to web
Portion reaches enough compactness, realizes that unilateral side pours preparation part combination prefabricated components, as shown in Figure 3.
4）Hole 24 is opened up in the steel beam web plate 22 of H profile steel beam, in steel beam web plate 22 away from welding at the 50mm of wall side after trepanning
Vertical stiffener 25, when pouring, web is in be horizontally arranged upward, the casting concrete above web surface, in casting process constantly
It vibrates so that concrete reaches enough compactness by open flow to web lower part, completes the prefabricated of composite coupling beams.It pours
When building, due to the vertical stiffener 25 of setting barrier both sides, does not pour to separate this position, cut convenient for composite coupling beams 2 and PEC
Power wall 1 is welded to connect.
5）After PEC shear walls and the equal pouring molding of composite coupling beams, the coupling beam edge of a wing is welded on left and right PEC with web and shears
On wall, PEC coupled walls are formed, as shown in Figure 1.
The above content is the preferred embodiments of combination the invention to further detailed made by provided technical solution
Describe in detail bright, and it cannot be said that the invention specific implementation is confined to these above-mentioned explanations, for the affiliated technology of the invention
For the those of ordinary skill in field, without departing from the concept of the premise of the invention, several simple deductions can also be made
Or replace, it all shall be regarded as belonging to the protection domain of the invention.
Claims (9)
1. a kind of web holes part compound shear wall-composite coupling beams coupled wall, it is characterised in that：Including 2 or 2 or more
PEC shear walls, and the composite coupling beams for connecting PEC shear walls, the PEC shear walls are with multiple one words of T shaped steels
It the H profile steel skeleton that is formed by connecting and is filled in the intraskeletal Combined concrete of H profile steel and forms；The H profile steel skeleton includes abdomen
Plate and wing plate perpendicular to web, along the length direction of H profile steel skeleton, in the spaced set trepanning of web center；The group
Close coupling beam include H profile steel beam and the coagulation local soil type being filled in H profile steel beam at, the H profile steel beam include steel beam web plate with
And it is set to the steel beam flange at steel beam web plate both ends, hole is opened up in steel beam web plate center, is cut multi-disc PEC by composite coupling beams
Power wall connects piecewise forms novel compositions shear wall-composite coupling beams coupled wall.
2. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 1, feature exist
In：The H profile steel skeleton is formed by connecting using one word of at least three T shaped steels, and H profile steel skeleton is divided into centre by wing plate
Middle area's lattice and both sides border area lattice, along the length direction of H profile steel skeleton, the web of middle area's lattice and border area lattice center equidistantly
Trepanning is set.
3. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 1 or 2, feature
It is：The trepanning size and spacing can be adjusted according to the length and width of girder steel, and trepanning is made to be suitble to concrete flowing.
4. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 2, feature exist
In：The trepanning of both sides border area lattice is symmetrical set, and the position of opening of the position of opening on middle area's lattice and border area lattice is in be staggered,
The connecting portion of PEC shear walls and composite coupling beams does not set trepanning.
5. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 2 or 4, feature
It is：Distance of the trepanning of border area lattice away from PEC shear walls bottom is more than the trepanning of middle area's lattice away from the distance of PEC shear walls bottom.
6. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 5, feature exist
In：The left and right vertical stiffener perpendicular to steel beam flange is welded at the left and right beam side 50mm of distance between the steel beam flange of both sides,
The fill concrete between upper and lower steel beam flange and left and right vertical stiffener, forming portion subassembly coupling beam.
7. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 6, feature exist
In：It is described in the PEC shear walls close to the border area lattice position of composite coupling beams connecting node welding upper, lower horizontal to stiffener
Upper, lower horizontal it is corresponding with the upper and lower steel beam flange of composite coupling beams to the installation position of stiffener.
8. a kind of web holes part compound shear wall-composite coupling beams coupled wall according to claim 7, feature exist
In：The lateral stiffening plate thickness is composite coupling beams web thickness tf+2.
9. a kind of system of web holes part compound shear wall-composite coupling beams coupled wall according to one of claim 1-8
It is as follows to make method：
1）The H profile steel skeleton being formed by connecting by multiple one words of T shaped steels；
2）Along H profile steel skeleton length direction steel skeleton middle area's lattice and border area lattice the spaced set trepanning of web center,
The trepanning of both sides border area lattice is symmetrical set, and the position of opening of the position of opening on middle area's lattice and border area lattice is in be staggered, PEC
The trepanning of shear wall and composite coupling beams connecting portion not trepanning, border area lattice is more than middle area's lattice away from the distance of PEC shear walls bottom
Distance of the trepanning away from PEC shear walls bottom；
3）H profile steel skeleton formwork after trepanning is poured, web is up in horizontal positioned, both ends branch cheek board, from abdomen
Casting concrete above plate face constantly vibrates in casting process so that concrete is reached enough by open flow to web lower part
Enough compactness realize that unilateral side pours preparation part combination prefabricated components；
4）Open up hole in the steel beam web plate of H profile steel beam, after trepanning steel beam web plate away from the 50mm of wall side weld vertical stiffener,
When pouring, web is in horizontal positioned, the casting concrete above web surface upward, is constantly vibrated in casting process so that coagulation
Soil reaches enough compactness by open flow to web lower part, completes the prefabricated of composite coupling beams；
5）After PEC shear walls and the equal pouring molding of composite coupling beams, the coupling beam edge of a wing is welded on web on left and right PEC shear walls,
Form PEC coupled walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617114.9A CN108571094B (en) | 2018-06-15 | 2018-06-15 | Web plate open hole part combined shear wall-combined connecting beam connecting limb wall and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617114.9A CN108571094B (en) | 2018-06-15 | 2018-06-15 | Web plate open hole part combined shear wall-combined connecting beam connecting limb wall and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571094A true CN108571094A (en) | 2018-09-25 |
| CN108571094B CN108571094B (en) | 2023-11-10 |
Family
ID=63573193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810617114.9A Active CN108571094B (en) | 2018-06-15 | 2018-06-15 | Web plate open hole part combined shear wall-combined connecting beam connecting limb wall and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571094B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258845A (en) * | 2019-05-22 | 2019-09-20 | 浙江绿筑集成科技有限公司 | A kind of construction method of steel coupling beam-PEC coupled walls rigid connection node construction |
| CN110453850A (en) * | 2019-07-22 | 2019-11-15 | 重庆大学 | A kind of assembled steel Combined concrete coupling beam |
| CN114135054A (en) * | 2021-11-23 | 2022-03-04 | 福建省城投科技有限公司 | Full-covering type fireproof support column, pouring mold and pouring method |
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| CN103437457A (en) * | 2013-08-16 | 2013-12-11 | 长安大学 | Replaceable steel coupling beam and double-steel-plate high-strength concrete combined coupled shear wall |
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| CN108035483A (en) * | 2017-12-19 | 2018-05-15 | 浙江绿筑集成科技有限公司 | H-type edge posts are put more energy into arc floor steel reinforced concrete compound shear wall and production method |
| CN208545847U (en) * | 2018-06-15 | 2019-02-26 | 浙江绿筑集成科技有限公司 | A kind of web holes part compound shear wall-composite coupling beams coupled wall |
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| WO2014193323A1 (en) * | 2013-05-27 | 2014-12-04 | Süleyman Bahadir Yüksel | Shear and bending reinforcements of coupling beams of coupled shear walls |
| CN103437457A (en) * | 2013-08-16 | 2013-12-11 | 长安大学 | Replaceable steel coupling beam and double-steel-plate high-strength concrete combined coupled shear wall |
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| CN114135054B (en) * | 2021-11-23 | 2023-11-03 | 福建左海科技有限公司 | Full-package type fireproof support column, pouring mold and pouring method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571094B (en) | 2023-11-10 |
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