CN115354782A - Assembled prestressed corrugated steel plate composite shear wall and construction method thereof - Google Patents
Assembled prestressed corrugated steel plate composite shear wall and construction method thereof Download PDFInfo
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- CN115354782A CN115354782A CN202211062140.2A CN202211062140A CN115354782A CN 115354782 A CN115354782 A CN 115354782A CN 202211062140 A CN202211062140 A CN 202211062140A CN 115354782 A CN115354782 A CN 115354782A
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- shear wall
- corrugated steel
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- split bolt
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 82
- 239000010959 steel Substances 0.000 title claims abstract description 82
- 238000010276 construction Methods 0.000 title claims description 16
- 239000002131 composite material Substances 0.000 title abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8647—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties going through the forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention provides an assembled prestressed corrugated steel plate composite shear wall, which comprises a double-corrugated steel plate, transverse prestressed reinforcements, a steel bar net piece, a split bolt assembly and filled concrete; the split bolt assemblies are arranged in the wave troughs of the double-corrugated steel plate and are distributed at intervals along the longitudinal direction; the reinforcing mesh is arranged between the double-corrugated steel plates, and the split bolt assemblies are arranged in the meshes; the transverse prestressed steel bars are arranged between the steel bar meshes and transversely penetrate through the longitudinal split bolt assemblies; and the inner filling concrete is filled between the corrugated steel plates to form a shear wall structure. The prestressed reinforcement adopted by the invention can enhance the rigidity of the shear wall, increase the structural durability, has simple appearance and attractive appearance, greatly improves the compressive strength of the filled concrete and the integral rigidity of the shear wall by applying the split bolt, reduces the thickness of the concrete, reduces the self weight and has obvious economic benefit.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to an assembled prestressed corrugated steel plate combined shear wall.
Background
With the rapid development of social economy, the increasing population and the rapid development of urbanization, the proportion of high-rise buildings in urban buildings is obviously increased. In order to meet the demand of the development of the shear wall structure towards industrialization and light weight, the corrugated steel plate composite shear wall gets more and more attention of designers.
The traditional shear wall adopts a reinforced concrete combined structure, has poor crack resistance and large self weight, is easy to generate steel bar corrosion after cracks are generated, influences the durability of the structure, and simultaneously greatly weakens the rigidity of the shear wall; the ductility performance is poor, and the safety reserve is small; mostly be the job site and pour, tie up reinforcing bar formwork in situ and need consume a large amount of manpower and materials, construction procedure is complicated loaded down with trivial details, and the efficiency of construction is low, and economic nature and prefabricated degree are lower. The self weight of the prefabricated shear wall concrete is high, the requirement on hoisting equipment is high, the on-site hoisting is difficult, and the construction efficiency is influenced. The middle bulging phenomenon of the existing steel plate shear wall is serious, and the structural stability of the shear wall is affected.
Therefore, a shear wall structure with good stability, excellent performance and convenient construction is needed.
Disclosure of Invention
In view of the above technical problems, the main object of the present invention is to overcome the defects of low rigidity, low assembly degree, low construction efficiency, large consumption of manpower and material resources, large self weight and environmental pollution of the conventional shear wall, and to provide a light-weight, high-strength and prefabricated shear wall structure, which can improve the shear rigidity, crack resistance and seismic performance of the composite shear wall, improve the structural durability, enhance the bearing capacity of the core concrete, reduce the self weight of the structure, and make the structural stress more reasonable.
In order to solve the technical problem, the invention is realized by the following technical scheme:
in a first aspect, the invention provides an assembled prestressed corrugated steel plate composite shear wall, which comprises a double corrugated steel plate, transverse prestressed reinforcements, a steel bar net, a split bolt assembly and filled concrete;
the split bolt assemblies are arranged in the wave troughs of the double-corrugated steel plate and are distributed at intervals along the longitudinal direction;
the reinforcing mesh is arranged between the double-corrugated steel plates, and the split bolt assemblies are arranged in the meshes;
the transverse prestressed steel bars are arranged between the steel bar meshes and transversely penetrate through the longitudinal split bolt assemblies;
and the inner filling concrete is filled between the corrugated steel plates to form a shear wall structure.
Further, the transverse prestressed steel bars are constructed by adopting a pretensioning method.
Furthermore, the reinforcing mesh covers the whole corrugated steel plate, and joint reinforcing steel bars are reserved at the end heads and can be reliably connected with adjacent shear walls, beams, plates, columns and the like.
Furthermore, the shapes of the joint reinforcing steel bars comprise a linear type, an L shape and a U shape, and the specific adopted form depends on the sizes of the beams and the columns and the conditions of the reinforcing steel frameworks in the beams and the columns.
Further, the bolt assembly comprises a bolt and a nut, and the double-corrugated steel plate is fastened. The split bolt assemblies are arranged at intervals along the longitudinal direction, lateral restraint is formed on concrete to enhance the compression-resistant bearing capacity of core concrete, the required thickness of a wall body can be reduced under the same bearing capacity, and the indoor space utilization rate is improved.
In a second aspect, the invention provides a prefabrication construction method of the shear wall in the first aspect, which comprises the following steps:
step 1: prefabricating, punching, transporting and positioning the double-ripple steel plate;
step 2: inserting bolts into each hole of one of the corrugated steel plates;
and step 3: welding and molding the reinforcing mesh to ensure that each split bolt is arranged in a mesh, reserving joint reinforcing steel bars in the transverse direction and the longitudinal direction respectively, and arranging the reinforcing mesh in the corrugated steel plate;
and 4, step 4: transverse prestressed steel bars penetrate between each pair of longitudinal pulling bolt assemblies;
and 5: tensioning the transverse prestressed reinforcement by using a pre-tensioning process;
and 6: covering another corrugated steel plate, and anchoring by using a bolt assembly;
and 7: supporting a formwork at openings at two ends of the double-corrugated steel plate;
and step 8: concrete is poured into a cavity between the double corrugated plates;
and step 9: curing the internally filled concrete to the designed strength;
step 10: and cutting off the prestressed reinforcements on the two sides.
In a third aspect, the invention provides a field construction method for the prefabricated shear wall of the first aspect, which comprises the following steps:
step 1: transporting, hoisting and positioning the combined shear wall;
step 2: respectively inserting reserved joint reinforcing steel bars at two transverse ends and a longitudinal section of the shear wall into a reinforcing steel bar framework of the column and the beam, and binding or welding the positioning reinforcing steel bars;
and step 3: and pouring and maintaining the concrete of the beams and the columns.
Compared with the prior art, the invention has the following beneficial effects:
compared with the traditional shear wall, the pre-tensioning method prestress combined shear wall can obviously improve the rigidity, enhance the crack resistance of the wall body and improve the durability of the shear wall, is convenient for assembly construction and meets the assembly requirements of buildings; the split bolt assembly can provide strong lateral constraint force for the double corrugated plates, so that the compressive strength of core concrete is improved, cracks can be delayed, the rigidity of the combined shear wall is enhanced on the lateral side, local bulging and bending of the steel plates are delayed, the thickness of the filled concrete can be effectively reduced, the self weight of the shear wall is reduced, and good anti-seismic performance is obtained; the structure is assembled simply, and the construction is convenient, and production efficiency is higher. The invention integrates the mechanical property advantages of the corrugated steel plate, the prestressed steel bar, the split bolt and the steel bar net piece, and has high construction efficiency and economic manufacturing cost. The use of the corrugated steel plates and the arrangement of the prestressed reinforcements promote the development of the shear wall structure to the direction of light weight and economy, and the shear wall structure has wide application prospects in the field of buildings.
Drawings
FIG. 1 is a schematic view of a composite shear wall structure according to the present invention;
FIG. 2 is a top view of a composite shear wall structure of the present invention;
FIG. 3 is an elevation view of a composite shear wall structure of the present invention;
FIG. 4 is a schematic view of the connection of the composite shear wall structure with beams and columns according to the present invention;
reference numerals are as follows: 1-corrugated steel plate, 2-transverse prestressed steel bar, 3-steel bar net piece, 4-split bolt component, 5-filled concrete, 6-column, 7-column steel bar framework, 8-beam and 9-beam steel bar framework.
Detailed Description
The invention will be further described with reference to the following figures and examples, to which the invention is not at all restricted.
Examples
An assembled prestressed corrugated steel plate composite shear wall is shown in figures 1-3 and comprises a corrugated steel plate 1, transverse prestressed reinforcements 2, a reinforcement mesh 3, a split bolt assembly 4 and filled concrete 5.
The split bolt assemblies 4 are arranged in wave troughs of the double-corrugated steel plate 1 and are distributed at intervals along the longitudinal direction.
The reinforcing mesh 3 is arranged between the double-corrugated steel plates 1, and the split bolt assemblies 4 are arranged in the meshes.
The transverse prestressed steel bars 2 are arranged between the steel bar meshes 3 and transversely penetrate through the longitudinal split bolt assemblies 4. The transverse prestressed reinforcement 2 is constructed by adopting a pretensioning method.
And the inner filling concrete 5 is filled between the corrugated steel plates 1 to form a shear wall structure.
The steel bar net 3 covers the whole corrugated steel plate, joint steel bars are reserved at the end heads, and the steel bar net can be reliably connected with adjacent shear walls, beams, plates, columns and the like. The shape of the joint reinforcing steel bar comprises a linear type, an L shape and a U shape, and the concrete adopted form depends on the size of the beam and the column and the condition of the reinforcing steel bar framework in the beam and the column. Fig. 4 shows a schematic connection diagram of the shear wall structure and the beam and the column.
The bolt assembly comprises a bolt and a nut and is used for fastening the double-corrugated steel plate.
The prefabrication construction method of the assembled prestressed corrugated steel plate composite shear wall comprises the following steps of:
step 1: prefabricating, punching, transporting and positioning the double-ripple steel plate;
step 2: inserting a bolt into each hole of one corrugated steel plate, and matching a nut on the outer side;
and step 3: welding and molding the reinforcing mesh to ensure that each grid of reinforcing mesh corresponds to each split bolt, reserving joint reinforcing steel bars in the transverse direction and the longitudinal direction respectively, and placing the reinforcing mesh in the corrugated steel plate;
and 4, step 4: a transverse prestressed steel bar is placed between each pair of pulling bolts in the longitudinal direction;
and 5: tensioning the transverse prestressed reinforcement by using a pre-tensioning process;
and 6: covering another corrugated steel plate, inserting a split bolt, and anchoring by using a nut;
and 7: supporting a formwork at openings at two ends of the double-corrugated steel plate;
and step 8: concrete is poured into a cavity between the double corrugated plates;
and step 9: curing the filled concrete to the designed strength;
step 10: cutting off the prestressed reinforcements on the two sides;
the field construction method for the prefabricated assembled prestressed corrugated steel plate composite shear wall comprises the following steps of:
step 1: transporting, hoisting and positioning the combined shear wall;
step 2: respectively inserting reserved joint reinforcing steel bars at the two transverse ends and the longitudinal section of the shear wall into the reinforcing steel bar frameworks of the columns and the beams, and binding or welding the positioning reinforcing steel bars;
and 3, step 3: and pouring and curing concrete of the beams and the columns.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an assembled prestressing force ripple steel sheet compound shear wall which characterized in that: the double-corrugated steel plate type anchor clamp comprises a double-corrugated steel plate, a transverse prestressed steel bar, a steel bar net piece, a split bolt assembly and internal filling concrete;
the split bolt assemblies are arranged in the wave troughs of the double-corrugated steel plate and are distributed at intervals along the longitudinal direction;
the reinforcing mesh is arranged between the double-corrugated steel plates, and the split bolt assemblies are arranged in the meshes;
the transverse prestressed steel bars are arranged between the steel bar meshes and transversely penetrate through the longitudinal split bolt assemblies;
and the inner filling concrete is filled between the corrugated steel plates to form a shear wall structure.
2. The shear wall of claim 1, wherein: and the transverse prestressed reinforcement is constructed by adopting a pretensioning method.
3. The shear wall of claim 1, wherein: the steel bar net sheet covers the whole corrugated steel plate, and joint steel bars are reserved at the ends of the steel bar net sheet.
4. The shear wall of claim 3, wherein: the shapes of the joint reinforcing steel bars comprise a straight line type, an L shape and a U shape.
5. The shear wall of claim 1, wherein: the bolt assembly comprises a bolt and a nut and is used for fastening the double-corrugated steel plate.
6. The prefabrication construction method of the shear wall as claimed in any one of claims 1 to 5, comprising the steps of:
step 1: prefabricating, punching, transporting and positioning the double-corrugated steel plate;
step 2: inserting bolts into each hole of one of the corrugated steel plates;
and 3, step 3: welding and molding the reinforcing mesh to ensure that each split bolt is arranged in the mesh, reserving seam reinforcing steel bars in the transverse direction and the longitudinal direction respectively, and arranging the reinforcing mesh in the corrugated steel plate;
and 4, step 4: transverse prestressed steel bars penetrate between each pair of longitudinal tie bolt assemblies;
and 5: tensioning the transverse prestressed reinforcement by using a pretensioning process;
step 6: covering another corrugated steel plate, and anchoring by using a bolt assembly;
and 7: supporting a formwork at openings at two ends of the double-corrugated steel plate;
and step 8: concrete is poured into a cavity between the double corrugated plates;
and step 9: curing the internally filled concrete to the designed strength;
step 10: and cutting off the prestressed reinforcements on the two sides.
7. The method for field construction after prefabrication of the shear wall according to any one of claims 1 to 5, wherein the method comprises the following steps:
step 1: transporting, hoisting and positioning the combined shear wall;
step 2: respectively inserting reserved joint reinforcing steel bars at two transverse ends and a longitudinal section of the shear wall into a reinforcing steel bar framework of the column and the beam, and binding or welding the positioning reinforcing steel bars;
and 3, step 3: and pouring and maintaining the concrete of the beams and the columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211062140.2A CN115354782A (en) | 2022-08-31 | 2022-08-31 | Assembled prestressed corrugated steel plate composite shear wall and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211062140.2A CN115354782A (en) | 2022-08-31 | 2022-08-31 | Assembled prestressed corrugated steel plate composite shear wall and construction method thereof |
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| CN115354782A true CN115354782A (en) | 2022-11-18 |
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| CN202211062140.2A Pending CN115354782A (en) | 2022-08-31 | 2022-08-31 | Assembled prestressed corrugated steel plate composite shear wall and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789914A (en) * | 2021-09-24 | 2021-12-14 | 华侨大学 | Corrugated plate-ECC (error correction code) assembled type superposed column and construction method thereof |
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|---|---|---|---|---|
| KR20070088341A (en) * | 2006-02-24 | 2007-08-29 | (주)내경엔지니어링 | Prestressed concrete composite corrugated steel plate structure and the manufacture method of this |
| CN104947831A (en) * | 2015-07-07 | 2015-09-30 | 华北理工大学 | Prefabricated assembly type profile steel concrete shear wall and construction method thereof |
| CN207063170U (en) * | 2017-07-03 | 2018-03-02 | 浙江越宫钢结构有限公司 | The house that a kind of shear wall slab by steel square tube and steel plate splicing is assembled |
| CN109024221A (en) * | 2018-07-31 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of Novel steel combined box beam and its application method |
| CN109898699A (en) * | 2019-03-22 | 2019-06-18 | 中南大学 | A kind of fabricated ripple type steel plate shear wall structure and its construction method |
| CN110835967A (en) * | 2019-11-20 | 2020-02-25 | 北京建工四建工程建设有限公司 | Method for controlling combined shear wall cracks by adopting prestress |
-
2022
- 2022-08-31 CN CN202211062140.2A patent/CN115354782A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070088341A (en) * | 2006-02-24 | 2007-08-29 | (주)내경엔지니어링 | Prestressed concrete composite corrugated steel plate structure and the manufacture method of this |
| CN104947831A (en) * | 2015-07-07 | 2015-09-30 | 华北理工大学 | Prefabricated assembly type profile steel concrete shear wall and construction method thereof |
| CN207063170U (en) * | 2017-07-03 | 2018-03-02 | 浙江越宫钢结构有限公司 | The house that a kind of shear wall slab by steel square tube and steel plate splicing is assembled |
| CN109024221A (en) * | 2018-07-31 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of Novel steel combined box beam and its application method |
| CN109898699A (en) * | 2019-03-22 | 2019-06-18 | 中南大学 | A kind of fabricated ripple type steel plate shear wall structure and its construction method |
| CN110835967A (en) * | 2019-11-20 | 2020-02-25 | 北京建工四建工程建设有限公司 | Method for controlling combined shear wall cracks by adopting prestress |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113789914A (en) * | 2021-09-24 | 2021-12-14 | 华侨大学 | Corrugated plate-ECC (error correction code) assembled type superposed column and construction method thereof |
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