CN108571094B - Web plate open hole part combined shear wall-combined connecting beam connecting limb wall and manufacturing method thereof - Google Patents
Web plate open hole part combined shear wall-combined connecting beam connecting limb wall and manufacturing method thereof Download PDFInfo
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- CN108571094B CN108571094B CN201810617114.9A CN201810617114A CN108571094B CN 108571094 B CN108571094 B CN 108571094B CN 201810617114 A CN201810617114 A CN 201810617114A CN 108571094 B CN108571094 B CN 108571094B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 22
- 238000009415 formwork Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application relates to a web plate open-pore part combined shear wall-combined beam connecting wall and a manufacturing method thereof, wherein the web plate open-pore part combined shear wall-combined beam connecting wall comprises at least 2 PEC shear walls and combined beams, and the PEC shear walls are formed by combining an H-shaped steel framework formed by connecting a plurality of T-shaped steel in a straight line and concrete filled in the H-shaped steel framework; holes are formed in the center of the web plate at equal intervals along the length direction of the H-shaped steel framework; the combined connecting beam comprises an H-shaped steel beam, the H-shaped steel beam comprises a steel beam web and steel beam flanges arranged at two ends of the steel beam web, a hole is formed in the center of the steel beam web, and a plurality of PEC shear walls are connected piece by piece through the combined connecting beam to form a novel combined shear wall-combined connecting beam connecting wall. The method can be used for preparing the partially combined prefabricated component by casting the web openings, and can realize one-time casting and one-time maintenance, and reduce the preparation period of the component.
Description
Technical field:
the application relates to a building member and a construction method thereof, in particular to a web perforated part combined shear wall-combined connecting beam connecting limb wall and a manufacturing method thereof, and belongs to the technical field of building engineering.
The background technology is as follows:
the partially-encased combined shear wall (Partially Encased Composite Shear Wall, hereinafter abbreviated as PEC shear wall) is a novel assembled steel-concrete combined shear wall, the shear wall does not need to be bound with vertical and horizontal reinforcing steel bars, and the whole structure is simple; the components can be processed and finished in factories, only spliced and installed on site, so that the construction period can be effectively reduced on the basis of ensuring the construction quality of the components, and the method has good economic effect.
The coupled wall system connects two or more shear walls by using concrete coupling beams as a whole to resist the overturning moment under the action of horizontal force. The tie-beams transfer vertical loads between adjacent limbs, thereby creating couples to resist overturning moments caused by earthquakes.
Because the traditional PEC shear wall manufacturing method is that H-shaped steel components are horizontally placed on a pedestal in a mode that web plates are parallel to the ground, side templates are arranged at two ends of the steel components, concrete is poured between the web plates and the flanges, after the concrete on one side of the components is cured and hardened, the components are turned over, and the other side of the components is poured. The preparation method needs to carry out twice curing of concrete on one component, and the preparation period of the component is long.
The application comprises the following steps:
in view of the above-mentioned drawbacks of the prior art, an object of the present application is to provide a web perforated portion composite shear wall-composite tie-beam coupled wall, in which two or more Partially Encased Composite (PEC) shear walls are connected by steel tie-beams; in order to optimize the construction process, the web open-pore casting type preparation part of the combined prefabricated component is implemented, one-time casting and one-time maintenance can be realized, and the preparation period of the component is reduced.
In order to achieve the aim, the application adopts the technical scheme that the web plate perforated part combined shear wall-combined connecting beam connecting limb wall comprises 2 or more than 2 PEC shear walls and combined connecting beams for connecting the PEC shear walls, wherein the PEC shear walls are formed by combining an H-shaped steel framework formed by connecting a plurality of T-shaped steel lines and concrete filled in the H-shaped steel framework; the H-shaped steel framework comprises a web plate and wing plates perpendicular to the web plate, and holes are formed in the center of the web plate at equal intervals along the length direction of the H-shaped steel framework; the combined connecting beam comprises an H-shaped steel beam and concrete filled in the H-shaped steel beam, the H-shaped steel beam comprises a steel beam web and steel beam flanges arranged at two ends of the steel beam web, a hole is formed in the center of the steel beam web, and a plurality of PEC shear walls are connected piece by piece through the combined connecting beam to form a novel combined shear wall-combined connecting beam connecting wall.
The application is further provided with the following steps:
the H-shaped steel framework is formed by connecting at least 3T-shaped steel in a straight line, the H-shaped steel framework is divided into a middle area grid and side area grids at two sides through wing plates, and holes are formed in the middle area grid and the web centers of the side area grids at equal intervals along the length direction of the H-shaped steel framework.
The size and the spacing of the holes can be adjusted according to the length and the width of the steel beam, so that the holes are suitable for concrete flowing.
Further, the open holes of the two side cells are symmetrically arranged, the open hole positions on the middle cell and the open hole positions of the side cells are staggered, and the connection part of the PEC shear wall and the combined connecting beam is not provided with the open hole.
The distance from the openings of the side cells to the bottom of the PEC shear wall is greater than the distance from the openings of the middle cells to the bottom of the PEC shear wall.
Preferably, left and right vertical stiffening plates perpendicular to the steel beam flanges are welded at the position 50mm away from the left and right beam edges between the two side steel beam flanges, and concrete is filled between the upper and lower steel beam flanges and the left and right vertical stiffening plates to form a part of combined connecting beam.
And the PEC shear wall is welded with an upper transverse stiffening plate and a lower transverse stiffening plate at the side grid parts close to the connecting nodes of the combined connecting beam, and the arrangement positions of the upper transverse stiffening plate and the lower transverse stiffening plate correspond to the flanges of the upper steel beam and the lower steel beam of the combined connecting beam.
The thickness of the transverse stiffening plate is the thickness tf+2 of the web plate of the combined connecting beam.
The application further aims at providing a manufacturing method of the web plate perforated part combined shear wall-combined connecting beam connecting limb wall.
In order to achieve the second object, the application adopts the following technical scheme:
a manufacturing method of a web plate open hole part combined shear wall-combined connecting beam connecting limb wall comprises the following steps:
1) An H-shaped steel skeleton formed by connecting a plurality of T-shaped steel in a straight line;
2) Holes are formed in the middle area grid and the web centers of the side areas grid of the H-shaped steel framework at equal intervals along the length direction of the steel framework, the holes of the side areas grid on two sides are symmetrically arranged, the holes on the middle area grid and the holes of the side areas grid are staggered, the connection part of the PEC shear wall and the combined connecting beam is not perforated, and the distance between the holes of the side areas grid and the bottom of the PEC shear wall is larger than that between the holes of the middle area grid and the bottom of the PEC shear wall;
3) Pouring the H-shaped steel framework formwork after the holes are formed, horizontally placing the web plate face upwards, supporting edge templates at two ends, pouring concrete from the upper part of the web plate face, continuously vibrating in the pouring process, enabling the concrete to flow to the lower part of the web plate through the holes, achieving enough compactness, and realizing single-side pouring to prepare part of the combined prefabricated member;
4) The method comprises the steps that a hole is formed in a steel beam web plate of an H-shaped steel beam, a vertical stiffening plate is welded at a position 50mm away from the wall edge of the steel beam web plate after the hole is formed, the web plate is horizontally placed upwards during pouring, concrete is poured from the upper side of the web plate, vibration is continuously conducted in the pouring process, the concrete flows to the lower portion of the web plate through the hole, enough compactness is achieved, and prefabrication of the combined connecting beam is completed;
5) And after the PEC shear wall and the combined connecting beam are cast and formed, the connecting beam flanges and the web plates are welded on the left PEC shear wall and the right PEC shear wall to form the PEC connecting limb wall.
Compared with the prior art, the application has the beneficial effects that:
1. the PEC shear wall and the combined connecting beam can be prefabricated and formed in a factory, so that the working hours of site construction are greatly reduced, the site construction speed is high, and the assembly rate is high.
2. Openings are formed in the prefabricated PEC shear wall and the web plate of the combined connecting beam component, concrete in the PEC shear wall and the combined connecting beam can be poured on one side, one-time pouring is completed, the component is maintained once, and construction time and maintenance time are reduced.
3. The vertical stiffening plates are welded at 50mm positions of the beam edges of the combined connection Liang Juli, so that the interval plays a role in blocking when concrete is poured, the welded connection of the connecting beam and the PEC shear wall is facilitated, and the connection firmness of the connecting beam and the PEC shear wall is ensured.
4. And welding transverse stiffening plates at the side grid parts of the PEC shear wall close to the steel connecting beam connecting nodes, so as to further strengthen the rigidity of the node areas.
The application is described in further detail below with reference to the drawings and the detailed description.
Description of the drawings:
FIG. 1 is a front view of a composite shear wall-composite tie-beam bulkhead of the application with web openings;
FIG. 2 is a perspective view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic illustration of the structure of a monolithic PEC shear wall of the present application before and after casting;
fig. 5 is a schematic structural diagram of the composite connecting beam of the present application before and after casting.
The specific embodiment is as follows:
as shown in fig. 1 to 5, the web perforated part combined shear wall-combined connecting beam connecting limb wall comprises 2 or more PEC shear walls 1 and combined connecting beams 2 for connecting the PEC shear walls 1, wherein a plurality of PEC shear walls 1 are connected piece by piece through the combined connecting beams 2 to form a novel combined shear wall-combined connecting beam connecting limb wall.
The PEC shear wall 1 is formed by combining an H-shaped steel skeleton 11 formed by connecting a plurality of T-shaped steels in a straight line and concrete 3 filled in the H-shaped steel skeleton 11.
The H-shaped steel skeleton 11 include web 12 and perpendicular to web 12's pterygoid lamina 13, in this embodiment, H-shaped steel skeleton 11 adopt 3T-shaped steel to connect to form in a word, divide into middle district's cell 14 and the side district's cell 15 of both sides with H-shaped steel skeleton 11 through pterygoid lamina 13, along the length direction of H-shaped steel skeleton 11, set up trompil 16 in the web central authorities equidistant of middle district's cell 14 and side district's cell 15, trompil 16 size and interval can be adjusted according to girder steel's actual length and width for trompil 16 is fit for the concrete flow. Through set up a large amount of trompils 16 on the web of H shaped steel skeleton 11, link up H shaped steel skeleton 11 both sides, when pouring, with the web face of H shaped steel skeleton 11 upwards, only need pour the concrete in web 12 unilateral, the concrete flows into web 12 opposite side through trompil 16, just through once pouring just can reach whole effect.
In order to ensure the strength of the prefabricated PEC shear wall 1, the open holes 16 of the side cells 15 on two sides are symmetrically arranged, the positions of the open holes 16 on the middle cell 14 and the open holes 16 of the side cells 15 are staggered, no open holes are arranged at the connection part of the PEC shear wall 1 and the combined connecting beam 2, and the distance between the open holes 16 of the side cells 14 and the bottom of the PEC shear wall 1 is larger than that between the open holes of the middle cell 14 and the bottom of the PEC shear wall 1.
The combined connecting beam 2 comprises an H-shaped steel beam 21 and concrete 3 filled in the H-shaped steel beam 21, the H-shaped steel beam 21 comprises a steel beam web 22 and steel beam flanges 23 arranged at two ends of the steel beam web 22, a hole 24 is formed in the center of the steel beam web 22, and the size and the number of the hole 24 are determined by the actual width and the length of the steel beam; and a left vertical stiffening plate 25 and a right vertical stiffening plate 25 which are perpendicular to the steel beam flanges 23 are welded at the position 50mm away from the left beam edge and the right beam edge between the two side steel beam flanges 23, and concrete is filled between the upper steel beam flange 23 and the lower steel beam flange 23 and the left vertical stiffening plate 25 and the right vertical stiffening plate 25 to form a part of combined connecting beam 2. In the application, the vertical stiffening plate 25 is welded at the position 50mm away from the beam edge, so that the interval plays a role in blocking when concrete is poured, and the welded connection of the combined connecting beam 2 and the PEC shear wall 1 is ensured.
Welding an upper transverse stiffening plate 17 and a lower transverse stiffening plate 17 at the position of the PEC shear wall 1 close to the side cells 15 of the connecting node of the combined connecting beam 2, wherein the arrangement positions of the upper transverse stiffening plate 17 and the lower transverse stiffening plate 17 correspond to the upper steel beam flange 23 and the lower steel beam flange 23 of the combined connecting beam 2, and the thickness of the upper steel beam flange is tf+2 of the web plate of the combined connecting beam 2; its purpose is to enhance the stability and robustness of the node area.
The manufacturing method of the web plate open hole part combined shear wall-combined connecting beam connecting limb wall comprises the following steps:
1) An H-shaped steel skeleton 11 formed by connecting a plurality of T-shaped steel in a straight line.
2) The holes 16 are formed in the middle cells 14 and the web centers of the side cells 15 of the steel skeleton at equal intervals along the length direction of the H-shaped steel skeleton, the holes 16 of the side cells 15 on two sides are symmetrically arranged, the positions of the holes 16 on the middle cells 14 and the positions of the holes 16 of the side cells 15 are staggered, the connection part of the PEC shear wall 1 and the combined connecting beam 2 is not perforated, and the distance between the holes 16 of the side cells 14 and the bottom of the PEC shear wall 1 is larger than that between the holes of the middle cells 14 and the bottom of the PEC shear wall 1.
3) Pouring the H-shaped steel skeleton 11 formwork after the holes are formed, horizontally placing the web plate face upwards, pouring concrete from the upper parts of the web plate faces by the side formwork at the two ends, continuously vibrating in the pouring process, enabling the concrete to flow to the lower parts of the web plates through the holes, achieving enough compactness, and achieving single-side pouring and preparing of the part combined prefabricated components, as shown in fig. 3.
4) The holes 24 are formed in the steel beam web 22 of the H-shaped steel beam, the vertical stiffening plates 25 are welded at the position 50mm away from the wall edge of the steel beam web 22 after the holes are formed, when casting, the web is horizontally placed upwards, concrete is cast from the upper side of the web, and vibration is continuously carried out in the casting process, so that the concrete flows to the lower part of the web through the holes, the sufficient compactness is achieved, and prefabrication of the combined continuous beam is completed. During pouring, the vertical stiffening plates 25 on the two sides of the barrier are arranged, so that the part is not poured, and the welding connection of the combined connecting beam 2 and the PEC shear wall 1 is facilitated.
5) After the PEC shear wall and the combined connecting beam are cast and formed, the connecting beam flanges and the web plates are welded on the left PEC shear wall and the right PEC shear wall to form the PEC connecting limb wall, as shown in figure 1.
The foregoing is a further detailed description of the proposed solution in connection with the preferred embodiments of the present application, and it should not be construed that the application is limited to the specific embodiments, but that several simple deductions or substitutions may be made by those skilled in the art to which the application pertains without departing from the inventive concept, all shall be deemed to fall within the scope of the application.
Claims (8)
1. The utility model provides a web trompil part composite shear wall-combination even roof beam even limb wall which characterized in that: the PEC shear wall is formed by combining an H-shaped steel framework formed by connecting a plurality of T-shaped steels in a straight line and concrete filled in the H-shaped steel framework; the H-shaped steel framework comprises a web plate and wing plates perpendicular to the web plate, and holes are formed in the center of the web plate at equal intervals along the length direction of the H-shaped steel framework; the combined connecting beam comprises an H-shaped steel beam and concrete filled in the H-shaped steel beam, the H-shaped steel beam comprises a steel beam web and steel beam flanges arranged at two ends of the steel beam web, a hole is formed in the center of the steel beam web, and a plurality of PEC shear walls are connected piece by piece through the combined connecting beam to form a combined shear wall-combined connecting Liang Lianzhi wall;
and welding left and right vertical stiffening plates perpendicular to the steel beam flanges at the position 50mm away from the left and right beam edges between the steel beam flanges at the two sides, and filling concrete between the upper and lower steel beam flanges and the left and right vertical stiffening plates to form a part of combined connecting beam.
2. The web open-cell section composite shear wall-composite tie-wall of claim 1, wherein: the H-shaped steel framework is formed by connecting at least 3T-shaped steel in a straight line, the H-shaped steel framework is divided into a middle area grid and side area grids at two sides through wing plates, and holes are formed in the middle area grid and the web centers of the side area grids at equal intervals along the length direction of the H-shaped steel framework.
3. A web open cell section composite shear wall-composite tie-wall as defined in claim 2, wherein: the open pores of the two side cells are symmetrically arranged, the open pore positions on the middle cell and the open pore positions of the side cells are staggered, and no open pore is arranged at the connection part of the PEC shear wall and the combined connecting beam.
4. A web open cell section composite shear wall-composite tie-wall according to any one of claims 1-3, wherein: the size and the spacing of the holes can be adjusted according to the length and the width of the steel beam, so that the holes are suitable for concrete flowing.
5. The web open-cell section composite shear wall-composite tie-wall of claim 4, wherein: and the PEC shear wall is welded with an upper transverse stiffening plate and a lower transverse stiffening plate at the side grid parts close to the connecting nodes of the combined connecting beam, and the arrangement positions of the upper transverse stiffening plate and the lower transverse stiffening plate correspond to the flanges of the upper steel beam and the lower steel beam of the combined connecting beam.
6. The web open-cell section composite shear wall-composite tie-wall of claim 5, wherein: the thickness of the transverse stiffening plate is the thickness tf+2 of the web plate of the combined connecting beam.
7. The web open-cell section composite shear wall-composite tie-wall of claim 4, wherein: the distance from the openings of the side cells to the bottom of the PEC shear wall is greater than the distance from the openings of the middle cells to the bottom of the PEC shear wall.
8. A method for manufacturing a web perforated section composite shear wall-composite tie-wall according to any one of claims 1 to 7, comprising the steps of:
1) An H-shaped steel skeleton formed by connecting a plurality of T-shaped steel in a straight line;
2) Holes are formed in the middle area grid and the web centers of the side areas grid of the H-shaped steel framework at equal intervals along the length direction of the steel framework, the holes of the side areas grid on two sides are symmetrically arranged, the holes on the middle area grid and the holes of the side areas grid are staggered, the connection part of the PEC shear wall and the combined connecting beam is not perforated, and the distance between the holes of the side areas grid and the bottom of the PEC shear wall is larger than that between the holes of the middle area grid and the bottom of the PEC shear wall;
3) Pouring the H-shaped steel framework formwork after the holes are formed, horizontally placing the web plate face upwards, supporting edge templates at two ends, pouring concrete from the upper part of the web plate face, continuously vibrating in the pouring process, enabling the concrete to flow to the lower part of the web plate through the holes, achieving enough compactness, and realizing single-side pouring to prepare part of the combined prefabricated member;
4) The method comprises the steps that a hole is formed in a steel beam web plate of an H-shaped steel beam, a vertical stiffening plate is welded at a position 50mm away from the wall edge of the steel beam web plate after the hole is formed, the web plate is horizontally placed upwards during pouring, concrete is poured from the upper side of the web plate, vibration is continuously conducted in the pouring process, the concrete flows to the lower portion of the web plate through the hole, enough compactness is achieved, and prefabrication of the combined connecting beam is completed;
5) And after the PEC shear wall and the combined connecting beam are cast and formed, the connecting beam flanges and the web plates are welded on the left PEC shear wall and the right PEC shear wall to form the PEC connecting limb wall.
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 |
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN108571094B true CN108571094B (en) | 2023-11-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
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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 |
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