CN101761153A - Thin steel-plate shear wall capable of bearing vertical load - Google Patents
Thin steel-plate shear wall capable of bearing vertical load Download PDFInfo
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- CN101761153A CN101761153A CN201010110671A CN201010110671A CN101761153A CN 101761153 A CN101761153 A CN 101761153A CN 201010110671 A CN201010110671 A CN 201010110671A CN 201010110671 A CN201010110671 A CN 201010110671A CN 101761153 A CN101761153 A CN 101761153A
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Abstract
The invention provides a thin steel-plate shear wall capable of bearing a vertical load, belonging to the field of building structural engineering. The thin steel-plate shear wall comprises an edge frame and a built-in thin steel plate (5), wherein a vertical left edge component (1), a vertical right edge component (2), a horizontal upper edge component (3) and a horizontal lower edge component (4) stand in a circle to form the edge frame; the four edges of the built-in thin steel plate are connected with the edge frame respectively; vertical profile steel stiffening ribs (6) evenly distributed at intervals are welded to the lateral side of the built-in thin steel plate (5); and gaps are left between one end of the vertical profile steel stiffening rib (6) and the horizontal upper edge component (3) and between the other end of the vertical profile steel stiffening rib (6) and the horizontal lower edge component (4). The thin steel-plate shear wall is capable of bearing a vertical load, so that the calculation on the stress of the conventional steel-plate shear wall is closer to the actual conditions, and the application is safer; and meanwhile, the invention can overcome the defect that the construction period of the current thin steel-plate shear wall is long.
Description
Technical field
The invention belongs to the structural engineering field, be specifically related to a kind of thin steel plate shear wall that has stiffening rib.
Background technology
The steel plate shear force wall structure is a kind of novel anti side force element structure system that grows up the seventies in 20th century.Along with the research of steel plate shear force wall, the steel plate shear force wall that uses is divided into steel plate shear wall and thin steel plate shear wall at present.Thin steel plate shear wall is to be made of embedded steel sheet and edge frame.Edge frame is by vertical left hand edge member, vertical right hand edge member, and the horizontal upper edge member, the horizontal lower edge member surrounds, and embedded steel-sheet four limits are connected with described edge frame respectively.The left and right edges member is often referred to the post of building, and horizontal member is often referred to the beam of building up and down.According to present research, thick and thin steel plate shear wall force mechanism is mainly distinguished according to intensity after whether utilizing the steel plate flexing.Steel plate relies on the shear stiffness of steel plate to resist horizontal force, steel plate remains elasticity, this design makes the actual strength of steel plate can not get fully playing, steel sheet has then utilized after the steel plate flexing intensity and has formed pulling force field opposing horizontal force, rely on the more effective opposing horizontal force action of pulling force field action, give full play to the actual strength of steel plate.At present, general tecnical regulations is for providing the critical shear stress calculation criterion and the method for steel plate shear force wall among " high-rise civil building steel work tecnical regulations " JGJ99-98.But, both at home and abroad when calculating thin steel plate shear wall, do not consider vertical load except that the steel plate deadweight and the pressure that causes by post compressive strain at present.There is following problem in the thin steel plate shear wall that designs under this calculation assumption:
(1) is not inconsistent with actual conditions, thin steel plate shear wall is under additional dead load and horizontal loading (as: wind load and geological process etc.) effect, certain compressive strain also can take place in pillar, produces vertical deformation thereby drive connected steel plate, causes occurring in the thin steel plate shear wall compressive stress.This compressive stress that is produced by vertical deformation can not be ignored stable calculating.
(2) be not inconsistent with the construction operating mode, according in the present world wide about the achievement in research of thin steel plate shear wall, suppose in theory that all thin steel plate shear wall does not bear vertical load, thereby after needing overall structure to bind in the construction, carry out the fixed installation of thin steel plate shear wall again, computation model is consistent with actual conditions, but the plate size in the super highrise building is generally bigger, will accomplish aspect transportation and the installation that very difficulty is adorned in the back fully, and the construction period of super highrise building is longer.Thin steel plate shear wall back dress fully proposes very high requirement to construction speed and follow-up work posts such as being similar to interior decoration, is very huge to whole duration influence.
Summary of the invention
The technical problem that the present invention solves has provided a kind of thin steel plate shear wall that can bear vertical load.Existing thin steel plate shear wall Force Calculation hypothesis that this thin steel plate shear wall is perfect makes it more near actual conditions, uses saferly, also can overcome the drawback that the present thin steel plate shear wall construction period grows simultaneously.
In order to solve the problems of the technologies described above, the technical scheme of being taked is:
A kind of thin steel plate shear wall that bears vertical load, comprise edge frame, embedded steel sheet, described edge frame is surrounded by vertical left hand edge member, vertical right hand edge member, horizontal upper edge member, horizontal lower edge member, described embedded steel-sheet four limits are connected with described edge frame respectively, it is characterized in that: weld vertical formed steel reinforcing rib in embedded steel-sheet side, this vertical formed steel reinforcing rib arranges at interval that evenly the gap is left with horizontal upper edge member and horizontal lower edge member respectively in the two ends of this vertical formed steel reinforcing rib.
Based on above-mentioned technical characterictic, vertical formed steel reinforcing rib is welded on both sides, described embedded steel-sheet front and back, symmetric arrangement respectively.Certainly, vertical formed steel reinforcing rib can arrange that also the rigidity requirement that only need satisfy the vertical formed steel reinforcing rib of thin steel plate shear wall gets final product along embedded steel sheet single face.
Based on above-mentioned technical characterictic, the two ends of described vertical formed steel reinforcing rib are 50mm to 200mm with the clearance distance of described horizontal upper edge member and described lower limb member respectively, and under the building unit size according to present use, reasonable distance is 100mm.
Based on above-mentioned technical characterictic, vertical formed steel reinforcing rib can be channel-section steel, the top flange of described channel-section steel and described embedded surface of thin steel sheet welding; Described vertical formed steel reinforcing rib can be i iron, a side wing edge of described i iron and described embedded surface of thin steel sheet welding; Described vertical formed steel reinforcing rib also can be T-steel, the web lower end of described T-steel and described embedded surface of thin steel sheet welding.Certainly, vertically formed steel reinforcing rib can be other forms of cross section shaped steel general in the existing building engineering.
Adopted such structure, can make thin steel plate shear wall bear vertical load except that steel plate gravity, and shorten the thin steel plate shear wall construction period.
According to prior art, suppose all that in theory thin steel plate shear wall is not bear vertical load except that deadweight and the pressure that is caused by post compressive strain, if depth of building is lower, thin steel plate shear wall design tends to after claimed structure binds, carry out the final welding of thin steel plate shear wall again and fix, thin steel plate shear wall is carried out a welding procedure again on being equivalent to after agent structure completion from descending.This is to having relatively high expectations as other follow-up work posts such as interior decorations; When building is super highrise building, owing to highly constantly increase, at additional dead load, live load, wind with often meet under the geological process compatibility of deformation by structural entity and cause thin steel plate shear wall is produced compressive stress, thereby thin steel plate shear wall exists bigger vertical compressive stress to make steel sheet that flexing take place when normal operating condition in advance inevitably, and this and design idea are contrary.Adopted with level on, the thin steel plate shear wall that the lower limb member has the vertical formed steel reinforcing rib in gap can effectively address this problem, by the construction Work condition analogue analysis that conforms to actual conditions, can obtain interior pressure of thin steel plate shear wall in each stage in the work progress, bend and shearing action, can draw thin steel plate shear wall in compressive stress and other each interaction through theory analysis to stress, according to the construction speed requirement, make being completely fixed of thin steel plate shear wall become possibility, and needn't wait until that agent structure carries out the final welding of thin steel plate shear wall after binding fully again and fix, cooperate other follow-up work post to save the whole project duration effectively.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and application construction method.
Fig. 1 structure sketch of the present invention.
The vertical formed steel reinforcing rib of Fig. 2 is the connection detail of channel-section steel.
The vertical formed steel reinforcing rib of Fig. 3 is the connection detail of i iron.
The connection detail of the vertical formed steel reinforcing rib T-steel of Fig. 4.
The specific embodiment
In the prior art, adding the stiffening rib purpose at thin steel plate shear wall is the critical buckling stress of shearing resistance that increases steel plate, belongs to the force mode that is subjected to of strengthening steel plate, so stiffening rib all is that both direction occurs in pairs in length and breadth.But the application target of vertical formed steel reinforcing rib is different from the common prior art stiffening rib of two directions in length and breadth among the present invention.Vertical compressive stress is inevitable existence in actual conditions, according to theory analysis, vertical compressive stress plays a leading role in the stable problem of steel plate, the compressive stress that additional dead load, mobile load and horizontal force cause the post compatibility of deformation to be caused can cause steel plate shear force wall that flexing takes place in advance, the present invention adds the calculating district lattice size that vertical formed steel reinforcing rib can reduce steel plate on embedded steel sheet, increase substantially the critical buckling stress of resistance to compression of steel plate, thereby made steel plate shear force wall can effectively resist vertical compressive stress.
Among the present invention, the gap is left with horizontal upper edge member and horizontal lower edge member respectively in the two ends of vertical formed steel reinforcing rib.Four limit sizes according to thin steel plate shear wall, the comparative analysis repeatedly that factor such as thickness, fringe conditions is carried out numerical model draws, the constructing operation that is unfavorable for weld seam less than the 50mm gap, can observe the too for a short time formation that is unfavorable for monoblock steel plate pulling force field in gap by the stress cloud atlas of theory analysis in addition, thereby the pulling force field of monoblock steel plate can be divided into the effect of weakening pulling force field, little pulling force field in each stiffening rib zone; The analysis showed that in theory steel sheet before the pulling force field is completed into local failure takes place greater than the 200mm gap, cause the force mode that is subjected to of monoblock thin steel plate shear wall to change.Clearance control is advisable at 50mm to 200mm, and wherein, 100mm optimizes in the gap the most, effectively improves the critical buckling stress of thin steel plate shear wall, can not stop the formation of pulling force field lateral resisting pattern again, enough spaces is provided for simultaneously the construction of weld seam.
Each vertical formed steel reinforcing rib is evenly arranged at interval among the present invention, thereby draws the definite vertical formed steel reinforcing rib spacing of critical buckling stress that the steel plate shear force wall needs reach according to the actual loading situation analysis of steel plate; Go out of the effective support effect of the rigidity of stiffening rib according to theory analysis again, thereby determine the rigidity of vertical formed steel reinforcing rib steel plate shear force wall.
As shown in Figure 1, the construction sequence of single steel plate shear wall of the present invention is:
1) horizontal upper edge member 3 docks welding with embedded steel sheet 5 in factory.
2) vertical formed steel reinforcing rib 6 and embedded steel sheet 5 weld in factory; Adopting welding is in order to strengthen vertical formed steel reinforcing rib 6 and the globality that embedded steel sheet 5 is connected, to reach the consistent of computation model and actual conditions, easier in the processing of node on the other hand, is convenient to realize design idea.Gap 7 is left with horizontal upper edge member 3 and horizontal lower edge member 4 respectively in the two ends of vertical formed steel reinforcing rib 6, and evenly arranges at interval.
3) above-mentioned member is transported to the building site, embedded steel sheet 5 is temporary fixed by erection bolt respectively with vertical left hand edge member 1 and vertical right hand edge member 2;
4) treat that main structure construction arrives the design control stage that the construction Work condition analogue is analyzed, begin to carry out embedded steel sheet 5 and fix with the final welding of edge member.
Certainly, vertical in the present invention formed steel reinforcing rib 6 can be channel-section steel, as shown in Figure 2, and the top flange of channel-section steel and embedded steel sheet 5 surface soldered.Vertical formed steel reinforcing rib 6 can be i iron, as shown in Figure 3, and a side wing edge of i iron and described embedded steel sheet 5 surface soldered.Vertical formed steel reinforcing rib also can be T-steel, as shown in Figure 4, and the web lower end of described T-steel and described embedded surface of thin steel sheet welding.
Fig. 2, Fig. 3 and Figure 4 shows that vertical formed steel reinforcing rib 6 is welded on both sides, embedded steel sheet 5 front and back respectively, the situation of symmetric arrangement also can be according to actual conditions, and it is one-sided that vertical formed steel reinforcing rib is arranged in embedded steel-sheet.
More than the scheme that the embodiment of the invention provided is introduced in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the invention, part in specific embodiments and applications all can change.In sum, this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (7)
1. thin steel plate shear wall that bears vertical load, comprise edge frame, embedded steel sheet (5), described edge frame is by vertical left hand edge member (1), vertical right hand edge member (2), horizontal upper edge member (3), horizontal lower edge member (4) surrounds, four limits of described embedded steel sheet (5) are connected with described edge frame respectively, it is characterized in that: weld vertical formed steel reinforcing rib (6) in the side of described embedded steel sheet (5), described vertical formed steel reinforcing rib (6) arranges at interval that evenly gap (7) is left with described horizontal upper edge member (3) and described horizontal lower edge member (4) respectively in the two ends of described vertical formed steel reinforcing rib (6).
2. a kind of thin steel plate shear wall that bears vertical load according to claim 1 is characterized in that: described vertical formed steel reinforcing rib (6) is welded on the two sides, front and back of described embedded steel sheet (5), symmetric arrangement respectively.
3. a kind of thin steel plate shear wall that bears vertical load according to claim 1 is characterized in that: the two ends of described vertical formed steel reinforcing rib (6) are 50mm to 200mm with the gap (7) of described horizontal upper edge member and described lower limb member distance respectively.
4. a kind of thin steel plate shear wall that bears vertical load according to claim 3 is characterized in that: the two ends of described vertical formed steel reinforcing rib (6) are 100mm with the gap (7) of described horizontal upper edge member and described lower limb member distance respectively.
5. according to claim 1 or 2 or 3 or 4 described a kind of thin steel plate shear walls that bear vertical load, it is characterized in that: described vertical formed steel reinforcing rib (6) is channel-section steel, the top flange of described channel-section steel and described embedded steel sheet (5) surface soldered.
6. according to claim 1 or 2 or 3 or 4 described a kind of thin steel plate shear walls that bear vertical load, it is characterized in that: described vertical formed steel reinforcing rib (6) is i iron, a side wing edge of described i iron and described embedded steel sheet (5) surface soldered.
7. according to claim 1 or 2 or 3 or 4 described a kind of thin steel plate shear walls that bear vertical load, it is characterized in that: described vertical formed steel reinforcing rib is a T-steel, the web lower end of described T-steel and described embedded steel sheet (5) surface soldered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010110671A CN101761153A (en) | 2010-02-12 | 2010-02-12 | Thin steel-plate shear wall capable of bearing vertical load |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010110671A CN101761153A (en) | 2010-02-12 | 2010-02-12 | Thin steel-plate shear wall capable of bearing vertical load |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835396A (en) * | 2014-03-10 | 2014-06-04 | 北京工业大学 | Prestress reinforced steel plate shear wall |
| CN103883029A (en) * | 2014-03-11 | 2014-06-25 | 北京工业大学 | Assembling type reinforcing steel plate shear wall |
| CN104775578A (en) * | 2015-02-10 | 2015-07-15 | 湖北弘毅建设有限公司 | Prefabricated metal finish concrete outer wall plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155610A (en) * | 1995-06-23 | 1997-07-30 | 博拉尔澳大利亚石灰板有限公司 | Building panel |
| CN101126254A (en) * | 2007-09-28 | 2008-02-20 | 清华大学 | Sticking-free stiffening rib steel plate shearing force wall |
| CN101215862A (en) * | 2008-01-04 | 2008-07-09 | 同济大学 | Steel joist constrained vertical seam steel plate shear force wall |
-
2010
- 2010-02-12 CN CN201010110671A patent/CN101761153A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155610A (en) * | 1995-06-23 | 1997-07-30 | 博拉尔澳大利亚石灰板有限公司 | Building panel |
| CN101126254A (en) * | 2007-09-28 | 2008-02-20 | 清华大学 | Sticking-free stiffening rib steel plate shearing force wall |
| CN101215862A (en) * | 2008-01-04 | 2008-07-09 | 同济大学 | Steel joist constrained vertical seam steel plate shear force wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835396A (en) * | 2014-03-10 | 2014-06-04 | 北京工业大学 | Prestress reinforced steel plate shear wall |
| CN103883029A (en) * | 2014-03-11 | 2014-06-25 | 北京工业大学 | Assembling type reinforcing steel plate shear wall |
| CN104775578A (en) * | 2015-02-10 | 2015-07-15 | 湖北弘毅建设有限公司 | Prefabricated metal finish concrete outer wall plate |
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Owner name: FINANCIAL STREET HOLDINGS CO., LTD. Effective date: 20121205 |
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Effective date of registration: 20121205 Address after: 200002 Hankou Road, Shanghai, No. 151, No. Applicant after: East China Architectural Design & Research Institute Co., Ltd. Applicant after: FINANCIAL STREET HOLDINGS CO.,LTD. Address before: 200002 Hankou Road, Shanghai, No. 151, No. Applicant before: East China Architectural Design & Research Institute Co., Ltd. |
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Application publication date: 20100630 |