CN113107108A - Double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods - Google Patents
Double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods Download PDFInfo
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- CN113107108A CN113107108A CN202110299099.XA CN202110299099A CN113107108A CN 113107108 A CN113107108 A CN 113107108A CN 202110299099 A CN202110299099 A CN 202110299099A CN 113107108 A CN113107108 A CN 113107108A
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- 239000004567 concrete Substances 0.000 title claims abstract description 53
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000003754 machining Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 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
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Abstract
Take two steel sheet concrete composite walls of T type stiffening rib and U type pull rod belongs to civil engineering integrated configuration and mixed structure technical field, mainly is used for solving among the prior art problem that outside steel sheet welding deformation is big, concrete restraint is not enough. A double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods mainly comprises external flat steel plates, the T-shaped stiffening ribs and the U-shaped pull rods. The U-shaped pull rod is formed by cold machining of a steel bar, a steel bar or a screw rod and is connected with the flange plate of the T-shaped stiffening rib in a welding mode. The T-shaped stiffening rib is formed by welding two rectangular steel plates or by adopting finished T-shaped steel, and the L-shaped clamping groove on the stiffening rib is formed by cold machining. The T-shaped stiffening ribs and the steel plates are welded into a whole, and the U-shaped pull rods connect the steel plates at two sides into a whole through the L-shaped clamping grooves. The T-shaped ribs have high rigidity, and can reduce deformation caused by welding, so that the external steel plate is smoother. The U-shaped pull rod strengthens the integrity of the steel plates at two sides, and improves the restraint on the internal concrete.
Description
Technical Field
The invention relates to a double-steel-plate concrete composite wall, in particular to a double-steel-plate concrete composite wall consisting of an external flat steel plate, T-shaped stiffening ribs and U-shaped pull rods, and belongs to the technical field of civil engineering composite structures and mixed structures.
Background
With the development of the building industry in China, the assembly type building is applied more and more. The double-steel-plate concrete composite wall structure has the characteristics of strong bearing capacity, good earthquake resistance and high construction speed, is suitable for adopting an assembly type construction method, and is applied to the fields of high-rise buildings, nuclear power engineering and the like to a certain extent.
The traditional double-steel-plate concrete combined wall mostly adopts welding nails, stiffening ribs and through bolts as tie pieces to connect steel plates and concrete plates. The main function of the tie is to restrain the steel plate and prevent it from prematurely buckling locally. The steel plate has certain constraint effect on the concrete and can improve the ductility of the concrete. When the welding nails are adopted, a large amount of welding work is needed, the steel plate is easy to generate large deformation and residual stress, and the condition is particularly serious when the thickness of the steel plate is small. The main effect is restraint steel sheet when adopting the stiffening rib, and the contribution to the concrete is less, and through bolt is better to the restraint effect of concrete, nevertheless need open a hole on the steel sheet, leaks thick liquid easily when pouring concrete, and the operation is also comparatively loaded down with trivial details when the bolt passes the hole.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a double-steel-plate concrete combined wall with T-shaped stiffening ribs and U-shaped pull rods by combining the T-shaped stiffening ribs and the U-shaped pull rods, which is mainly used for solving the technical problems of large welding deformation, insufficient concrete restraint, complex construction operation and the like of the traditional combined wall at present.
The technical scheme adopted by the invention is as follows:
a double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods mainly comprises external flat steel plates, the T-shaped stiffening ribs and the U-shaped pull rods. The main characteristics are as follows: the T-shaped stiffening ribs are connected with the external steel plate into a whole through welding, the U-shaped pull rod is connected with the T-shaped stiffening ribs on one side into a whole through welding, and the U-shaped pull rod is connected with the T-shaped stiffening ribs on the other side into a whole through the L-shaped clamping grooves.
The external flat steel plate is a rectangular plane steel plate which is not processed by hole forming, cold pressing and the like.
The T-shaped stiffening rib is formed by welding two rectangular steel plates or by adopting finished T-shaped steel, and the L-shaped clamping groove on the stiffening rib is formed by cold machining. The T-shaped stiffening ribs are continuously arranged along the height of the wall body, and the T-shaped stiffening ribs and the welding seams between the T-shaped stiffening ribs and the outer steel plates are also continuously arranged.
The U-shaped pull rod is formed by cold machining of a steel bar, a steel bar or a screw and is connected with the flange plate of the T-shaped stiffening rib in a welding mode. The U-shaped pull rods are uniformly distributed along the height of the wall body and correspond to the L-shaped clamping grooves one by one. The U-shaped pull rod and the L-shaped clamping groove can be tightly pulled.
Concrete is poured between the double steel plates, and the concrete is common ready-mixed commercial concrete or field mixed concrete.
The invention has the beneficial effects that:
because the T-shaped stiffening ribs with higher rigidity are adopted, the constraint effect on the external steel plate is obviously improved, the arrangement quantity of the stiffening ribs is far less than that of welding nails, bolts and the like, and the workload and the complexity degree of welding construction are reduced. The reduction of welding work can reduce residual stress and processing deformation.
The existence of the T-shaped stiffening ribs enables the steel plate to still bear certain vertical load after buckling, so that the contribution of the strength of the steel plate after buckling can be considered, and the integral bearing capacity of the combined wall is improved.
Due to the adoption of the U-shaped pull rod, the contact area of the pull rod and concrete is large, and the shearing sliding capacity is enhanced. The connection between the steel plate and the concrete is strengthened to a certain extent, and the concrete is restrained more strongly and is in a three-dimensional stress state. The strength and the ductility of the concrete material can be improved to a certain extent.
The U-shaped pull rod is welded with the T-shaped stiffening rib on one side and is tied with the T-shaped stiffening rib on the other side through the L-shaped clamping groove, and construction is simple and convenient. The steel plate does not need extra holes, and the outer surface is neat, flat and attractive.
Drawings
Fig. 1 is a three-dimensional schematic view of a double-steel-plate concrete composite wall.
Fig. 2 is a side view of a double steel plate concrete composite wall.
Fig. 3 is a top view of the double steel plate concrete composite wall.
FIG. 4 is a three-dimensional schematic view of a steel plate on one side, T-shaped ribs and a U-shaped pull rod.
FIG. 5 is a three-dimensional schematic view of a steel plate on one side and a T-shaped rib with an L-shaped clamping groove.
Fig. 6 is a three-dimensional schematic view of a U-shaped tie rod.
The concrete-reinforced concrete structure comprises 1-an external flat steel plate, 2-T-shaped stiffening ribs, 3-T-shaped stiffening ribs with L-shaped clamping grooves, 4-U-shaped pull rods, 5-L-shaped clamping grooves and 6-concrete.
Detailed Description
The invention is further illustrated by the following specific examples:
as shown in fig. 1 to 6, the double-steel-plate concrete composite wall of the invention mainly comprises an external flat steel plate (1), a T-shaped stiffening rib (2), a T-shaped stiffening rib (3) with an L-shaped clamping groove (5), a U-shaped pull rod (4) and concrete (6).
The U-shaped pull rod (4) is formed by processing a steel bar, a steel bar or a threaded screw rod through cold bending. The pull rod has high ductility and meets the requirement of no cracking after cold machining. The clear distance between two limbs of the U-shaped pull rod is not less than 20mm and not more than 100mm so as to meet the requirement of concrete pouring.
The T-shaped stiffening rib (2) is formed by welding two rectangular steel plates or adopts finished T-shaped steel, and the thickness of the steel plate is not less than the thickness value of the external flat steel plate. Fillet weld welding can be adopted when the thickness of the steel plate is not more than 10 mm. The width of the flange plate of the T-shaped stiffening rib (2) should meet the welding requirement of the U-shaped pull rod (4). The flange plate of the T-shaped stiffening rib (2) is connected with the U-shaped pull rod (4) by welding. The L-shaped clamping groove (5) on the rib plate of the T-shaped stiffening rib (3) is formed by cutting and cold machining, and the size of the L-shaped clamping groove meets the requirement of a U-shaped pull rod.
The outer flat steel plate (1) and the T-shaped stiffening ribs (2) and (3) are welded into a whole through fillet welding. The T-shaped stiffening ribs (2) and (3) are continuously arranged along the full height of the combined wall. The U-shaped pull rods (4) are uniformly distributed along the full height of the rib plate, and the distance is not less than 100mm and not more than 1000 mm. The distribution of the L-shaped clamping grooves (5) corresponds to the U-shaped pull rods (4) one by one.
After the positioning of the external flat steel plate is completed, the U-shaped pull rod (4) is clamped into the L-shaped clamping groove (5), so that the steel plates on the two sides are connected together. Concrete (6) is poured into the double steel plates.
The concrete (6) is common ready-mixed commercial concrete or field-mixed concrete.
The T-shaped stiffening ribs have higher bending rigidity, can effectively restrain the deformation of the steel plate after being welded with the external flat steel plate (1), reduce the welding deformation and the welding residual stress, and delay or avoid the pressed local buckling of the steel plate, thereby improving the strength utilization rate of the steel plate material. The stiffening ribs and the steel plates on the two sides are connected by the U-shaped pull rod (4) to form a uniform stress body, so that the integrity and the deformation coordination of the structure are enhanced. The contact area of the U-shaped pull rod and concrete is large, the anti-sliding capacity is strong, the concrete is restrained by the pull rod and the steel plate and is in a three-dimensional stress state, and the strength and the ductility of the concrete can be improved to a certain extent.
Claims (8)
1. Take two steel sheet concrete composite wall of T type stiffening rib and U type pull rod, its characterized in that: the steel plate comprises an external flat steel plate (1), T-shaped stiffening ribs (2), T-shaped stiffening ribs (3) with L-shaped clamping grooves (5), U-shaped pull rods (4) and concrete (6); the T-shaped stiffening rib (2) is welded with the U-shaped pull rod (4), and the T-shaped stiffening rib (3) with the L-shaped clamping groove (5) is tied with the U-shaped pull rod (4) through the clamping groove; the stiffening ribs are welded with the external flat steel plate (1).
2. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the outer flat steel plate (1) does not need to be perforated, and the surface of the steel plate is kept flat.
3. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the T-shaped stiffening rib (2) is formed by welding two rectangular steel plates or adopts finished T-shaped steel, the section is T-shaped, the ribbed plate has no groove, and the T-shaped stiffening rib is welded with the U-shaped pull rod (4) and the outer flat steel plate (1).
4. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the T-shaped stiffening rib (3) with the L-shaped clamping grooves (5) is formed by welding two rectangular steel plates or adopts finished T-shaped steel, the cross section of the T-shaped stiffening rib is T-shaped, the rib plates are provided with the L-shaped clamping grooves (5) and are formed by cutting and cold machining, and the positions of the clamping grooves correspond to the positions of the U-shaped pull rods (4) one by one.
5. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the T-shaped stiffening ribs (2) and the T-shaped stiffening ribs (3) with the L-shaped clamping grooves are continuously arranged along the height of the wall body, and the horizontal clear distance between adjacent stiffening ribs on the same side steel plate is not less than 100mm and not more than 1000 mm.
6. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the U-shaped pull rod (4) is processed into a U shape by a steel bar, a steel bar or a threaded screw through cold bending, the clear distance between two limbs of the pull rod is not less than 20mm and not more than 100mm, the pull rod is uniformly dispersed and arranged along the full height of the rib plate, and the distance between the pull rod and the rib plate is not less than 100mm and not more than 1000 mm.
7. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the L-shaped clamping groove (5) is L-shaped, the processing width is slightly larger than the diameter of the U-shaped pull rod, and the remained gap after the pull rod is clamped in is not more than 10 mm.
8. The double-steel-plate concrete composite wall with the T-shaped stiffening ribs and the U-shaped pull rods according to claim 1, wherein: the concrete (6) is common ready-mixed commercial concrete or field-mixed concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299099.XA CN113107108A (en) | 2021-03-20 | 2021-03-20 | Double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110299099.XA CN113107108A (en) | 2021-03-20 | 2021-03-20 | Double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods |
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| CN113107108A true CN113107108A (en) | 2021-07-13 |
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| CN202110299099.XA Pending CN113107108A (en) | 2021-03-20 | 2021-03-20 | Double-steel-plate concrete composite wall with T-shaped stiffening ribs and U-shaped pull rods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898066A (en) * | 2021-10-11 | 2022-01-07 | 青岛理工大学 | Double-steel-plate concrete composite structure and construction method thereof |
| CN114525865A (en) * | 2022-01-06 | 2022-05-24 | 中国建筑第八工程局有限公司 | Box type steel plate wall capable of preventing expansion die from bulging through grouting and construction method thereof |
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| CN206233417U (en) * | 2016-09-23 | 2017-06-09 | 杭萧钢构（江西）有限公司 | Draw-in groove shaped steel restrains combined member |
| CN208009751U (en) * | 2018-03-09 | 2018-10-26 | 深圳大学 | Light-duty multilayer steel-concrete-steel clamp core combined shear wall column component |
| CN108951956A (en) * | 2018-08-10 | 2018-12-07 | 燕山大学 | A kind of built-in fastener encased steel plate compound shear wall |
| CN211114112U (en) * | 2019-10-09 | 2020-07-28 | 浙江东南网架股份有限公司 | Assembled multi-chamber steel sheet shear force wall and girder steel connected node |
| CN111648600A (en) * | 2020-06-29 | 2020-09-11 | 广东保辉建筑工程有限公司 | Construction process of built-in type steel structure system of high-rise building structure conversion layer |
| CN211817220U (en) * | 2020-01-16 | 2020-10-30 | 沈阳建筑大学 | Assembled bolted connection double-steel-plate concrete combined shear wall |
| CN212534815U (en) * | 2020-05-30 | 2021-02-12 | 广东省第二建筑工程有限公司 | Structural steel concrete longitudinal steel bar constraint structure |
-
2021
- 2021-03-20 CN CN202110299099.XA patent/CN113107108A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617499A (en) * | 1992-06-30 | 1994-01-25 | Mitsubishi Heavy Ind Ltd | Manufacture of steel plate unit for steel plate concrete wall and its structure |
| JPH06299631A (en) * | 1993-04-13 | 1994-10-25 | Taisei Corp | Steel plate concrete wall structure |
| KR100849711B1 (en) * | 2007-06-27 | 2008-08-01 | 한국수력원자력 주식회사 | Steel plate structure and steel plate concrete wall |
| JP2012046894A (en) * | 2010-08-24 | 2012-03-08 | Shimizu Corp | Beam structure |
| CN105804322A (en) * | 2016-03-31 | 2016-07-27 | 初明进 | Liner-shaped steel member |
| CN105952056A (en) * | 2016-06-02 | 2016-09-21 | 初明进 | T-shaped steel member |
| CN205935300U (en) * | 2016-08-19 | 2017-02-08 | 杭州铁木辛柯钢结构设计有限公司 | Rod iron double steel plates concrete compound shear wall's structure is worn to multicavity stiffening rib |
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| CN208009751U (en) * | 2018-03-09 | 2018-10-26 | 深圳大学 | Light-duty multilayer steel-concrete-steel clamp core combined shear wall column component |
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| CN211817220U (en) * | 2020-01-16 | 2020-10-30 | 沈阳建筑大学 | Assembled bolted connection double-steel-plate concrete combined shear wall |
| CN212534815U (en) * | 2020-05-30 | 2021-02-12 | 广东省第二建筑工程有限公司 | Structural steel concrete longitudinal steel bar constraint structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898066A (en) * | 2021-10-11 | 2022-01-07 | 青岛理工大学 | Double-steel-plate concrete composite structure and construction method thereof |
| CN114525865A (en) * | 2022-01-06 | 2022-05-24 | 中国建筑第八工程局有限公司 | Box type steel plate wall capable of preventing expansion die from bulging through grouting and construction method thereof |
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Application publication date: 20210713 |