CN211646847U - Profiled corrugated steel plate shear wall stiffened by profile steel - Google Patents
Profiled corrugated steel plate shear wall stiffened by profile steel Download PDFInfo
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- CN211646847U CN211646847U CN202020050781.6U CN202020050781U CN211646847U CN 211646847 U CN211646847 U CN 211646847U CN 202020050781 U CN202020050781 U CN 202020050781U CN 211646847 U CN211646847 U CN 211646847U
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Abstract
The utility model discloses a profiled steel stiffened special-shaped corrugated steel plate shear wall, which comprises upright columns, horizontal beams, stiffening beams and cross rib corrugated steel plates; the upright posts and the horizontal beams are enclosed to form a frame, each stiffening beam is arranged between the upper horizontal beam and the lower horizontal beam in parallel to the upright posts to separate the frame into a plurality of mutually independent unit frames, and the cross rib corrugated steel plates are arranged in the horizontal direction of the corrugations of the cross rib corrugated steel plates and welded in the unit frames. The manufacturing process is simple and convenient, and each part can be made of sectional materials, so that the manufacturing convenience is further improved; on the other hand, the number and the specification and the size of stiffening beams and the stress of the actual working condition can be adjusted in different layer ranges according to the horizontal force borne by the shear wall, the cross rib corrugated steel plates with different thicknesses are welded in the unit frame to meet different stress requirements of different areas, the stiffening type combined long wall is formed by the cross rib corrugated steel plate stiffening beams, the integral buckling of the cross rib corrugated steel plates can be effectively restrained, and the ductility and the lateral bearing capacity of the corrugated steel plate shear wall are improved.
Description
Technical Field
The utility model belongs to the technical field of building engineering, especially, relate to a shaped steel special-shaped corrugated steel plate shear force wall of putting more energy into.
Background
The steel plate shear wall has the advantages of convenience in construction, high lateral stiffness resistance and good energy consumption capability; a flat steel plate shear wall is adopted.
The flat steel plate shear wall is divided into a thick steel plate shear wall and a thin steel plate shear wall according to the width-thickness ratio. The thick steel plate has problems of large steel consumption and high economic cost. The sheet steel shear wall is easy to bend, a tension band can be formed when the lateral force is large, additional bending moment is formed on the column, and the bending strength and the ductility are improved by arranging stiffening ribs or slotting on two sides. The stiffening mode of the flat steel plate shear wall generally adopts L-shaped, U-shaped, Y-shaped, straight-bar-shaped and I-shaped section steels and the like to be welded or bolted on the flat steel plate shear wall panel, stiffening ribs need to be cut at the cross positions of the stiffening ribs to disconnect the stiffening ribs or adopt unidirectional stiffening, manual welding or bolting is often needed, the workload is often large, and the quality is difficult to guarantee. The lateral rigidity and the lateral bearing capacity of the slotted steel plate walls on the two sides are reduced to some extent compared with those of the four-side connected steel plate walls.
The corrugated steel plate shear wall has higher out-of-plane stability and lateral rigidity. Due to the corrugated rib structure, the corrugated steel plate has smaller compressive rigidity in the direction vertical to the corrugated ribs, and has higher compressive rigidity along the corrugated direction than the steel plate with the same thickness. Therefore, the shear wall component can be prefabricated in a whole factory when the cross rib corrugated steel plate shear wall is adopted, the cross rib corrugated steel plate can adapt to the vertical deformation caused by the dead weight of the structure in construction, the vertical load is borne by the column, the cross rib corrugated steel plate only participates in horizontal side resistance, and the stress is more clear and reasonable. Corrugated steel plate shear force wall mode of putting more energy into mainly adopts channel-section steel or angle steel to laminate with corrugated steel plate in the corrugated direction of non-parallel corrugated steel plate to adopt welding or bolted connection to connect at the contact site, construction operation is comparatively loaded down with trivial details. In recent years, slotted corrugated steel plate shear walls are designed to improve the lateral resistance of corrugated plates, but the vertical corrugated steel plate shear walls with slots on two sides have the problem of reduction of lateral rigidity and lateral resistance bearing capacity, and the transverse corrugated steel plate shear walls with slots on two sides have extremely low lateral resistance bearing capacity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a special-shaped corrugated steel plate shear wall that shaped steel was stiffened convenient, that the atress is reliable of manufacturing.
The utility model provides a special-shaped corrugated steel plate shear wall stiffened by section steel, which comprises upright columns, horizontal beams, stiffening beams and cross rib corrugated steel plates; the upright posts and the horizontal beams are enclosed to form a frame, each stiffening beam is arranged between the upper horizontal beam and the lower horizontal beam in parallel to the upright posts to separate the frame into a plurality of mutually independent unit frames, and the cross rib corrugated steel plates are arranged in the horizontal direction of the corrugations of the cross rib corrugated steel plates and welded in the unit frames.
The frame is a rectangular flat frame, or an L-shaped frame or a C-shaped frame.
The stand includes square steel pipe and the concrete of filling in the square steel pipe, is equipped with on-the-spot grout hole on the pipe wall at square steel pipe both ends.
The horizontal beam is made of wide flange I-shaped steel, and the horizontal beam is connected with the upright post in a bolt welding mixed or all-welded mode.
The stiffening beam is made of wide-flange I-shaped steel and is welded between every two adjacent horizontal beams.
The corrugations of the cross rib corrugated steel plate are arranged in the horizontal direction and welded in the unit frame.
The utility model discloses a frame is enclosed with the horizontal beam to the stand to utilize stiffening beam to separate the frame for a plurality of mutually independent unit frames, weld the cross rib corrugated steel plate in the unit frame again can. The manufacturing process is simple and convenient, and each part can be made of sectional materials, so that the manufacturing convenience is further improved; on the other hand, the number and the specification and the size of stiffening beams and the stress of the actual working condition can be adjusted in different layer ranges according to the horizontal force borne by the shear wall, the cross rib corrugated steel plates with different thicknesses are welded in the unit frame to meet different stress requirements of different areas, the stiffening type combined long wall is formed by the cross rib corrugated steel plate stiffening beams, the integral buckling of the cross rib corrugated steel plates can be effectively restrained, and the ductility and the lateral bearing capacity of the corrugated steel plate shear wall are improved.
Drawings
Fig. 1 is an axial view of a preferred embodiment of the present invention. (the grouting holes are not drawn in situ)
Fig. 2 is a front view enlarged schematic diagram of the preferred embodiment. (the grouting holes are not drawn in situ)
Fig. 3 is a schematic diagram of the splicing state in the preferred embodiment.
Fig. 4 is a schematic front view of the connection between two adjacent cross-ribbed corrugated steel plates in the preferred embodiment.
FIG. 5 is a schematic side view showing the connection of two corrugated steel plates with upper and lower adjacent ribs in the preferred embodiment.
FIG. 6 is a schematic diagram showing the comparison of the lateral load-resisting capacity of the shear wall of the non-stiffened corrugated steel plate according to the preferred embodiment.
FIG. 7 is a schematic front view of an alternative connection scheme for two adjacent corrugated steel plates.
FIG. 8 is a schematic side view of an alternative connection scheme for two adjacent corrugated steel plates.
FIG. 9 is a schematic side view of another alternative joining scheme for two corrugated steel plates with upper and lower adjacent cross ribs.
Sequence numbers of the drawings:
a, a main wallboard; b, short wall limb;
1-upright column, 11-field grouting hole;
2-horizontal beam;
3, a stiffening beam;
4-cross rib corrugated steel plate;
5, a cushion block;
6-bolt.
Detailed Description
As shown in FIG. 1, the section of the profiled steel stiffened special-shaped corrugated steel plate shear wall disclosed by the embodiment is of a door shape, and comprises a main wall plate A and two short wall limbs B; the short wall limbs can effectively limit the overall instability of the upright column, and if the width of the corrugated plate in the special-shaped overhanging wall limbs is larger, the special-shaped wall limbs are additionally provided with the section steel stiffening beams to constrain the partition of the frame.
As shown in fig. 2, the main wall panel a is assembled by upright posts 1, horizontal beams 2, stiffening beams 3 and cross-rib corrugated steel plates 4; the upright column 1 and the horizontal beam 2 form a door-shaped frame, and the stiffening beam 3 is arranged in parallel with the upright column 1 and welded between the upper horizontal beam and the lower horizontal beam 2.
As shown in fig. 3, the column 1 includes a square steel pipe and concrete filled in the square steel pipe, and on-site grouting holes 11 are formed in the pipe walls at both ends of the square steel pipe to ensure the stability of the assembly.
The horizontal beam 2 and the stiffening beam 3 are both made of wide-flange I-shaped steel. The horizontal beam is welded between the two upright posts, or the horizontal beam and the upright posts are connected in a bolt welding mixed mode. The number and the specification and the size of the stiffening beams 3 can be adjusted in different layer ranges according to the horizontal force borne by the shear wall, the selected stiffening beams 3 are respectively welded with the horizontal beam at the upper end and the lower end to divide the frame into a plurality of mutually independent unit frames, then the cross rib corrugated steel plates 4 with proper thickness are selected according to different stress requirements of different positions, the selected cross rib corrugated steel plates are arranged in the corrugated horizontal direction, the upper boundary and the lower boundary are welded with the horizontal beam, and the left boundary and the right boundary are welded with the steel pipe concrete upright posts or the stiffening beams; as shown in fig. 4 and 5, when the upper prefabricated wall body and the lower prefabricated wall body are assembled, through holes are formed in the end portions of the upper boundary and the lower boundary of two adjacent cross rib corrugated steel plates, and the two adjacent cross rib corrugated steel plates are connected through a cushion block 5; the cushion block is a rectangular plate, two rows of connecting holes are arranged at the positions corresponding to the through holes, and the cushion block is fastened by a bolt 6 which penetrates through the connecting holes and the through holes and is matched with a corresponding nut during assembly. The corrugated steel plates of the transverse ribs in different unit frames can adopt different steel plate thicknesses, and can be adjusted and combined according to stress requirements so as to meet different stress requirements and improve stress reliability.
The inventor of the invention carries out simulation test on the side-resisting performance of the shear wall of the single-side corrugated steel plate without stiffening, and the test data is shown in FIG. 6. The upper curve is the side bearing capacity data of the profiled corrugated steel plate shear wall stiffened by the section steel, and the lower curve is the side bearing capacity data of the single-sided corrugated steel plate shear wall not stiffened. It can be seen that the side bearing capacity and ductility of the profiled corrugated steel plate shear wall stiffened by the profile steel are obviously higher than those of a single-sided corrugated steel plate shear wall which is not stiffened.
As shown in fig. 7 and 8, during assembly, when the two adjacent upper and lower cross rib corrugated steel plates are connected, the cushion block can be omitted, and the two adjacent upper and lower cross rib corrugated steel plates are directly fastened by the bolt matched with the corresponding nut. In addition, the corrugated steel plates of the two adjacent transverse ribs can be directly welded.
As shown in FIG. 9, the corrugated steel sheets with two adjacent upper and lower ribs can be directly welded during assembly.
In this embodiment, the manufacturing process includes the following steps:
(1) prefabricating a steel pipe concrete upright column square steel pipe;
(2) prefabricating a horizontal beam, and welding the I-shaped horizontal beam and the upright column square steel tube to form a special-shaped restraint frame;
(3) selecting a wide-flange I-shaped steel stiffening beam, and welding the upper end and the lower end in the special-shaped constraint frame;
(4) prefabricating a cross rib corrugated steel plate, welding the corrugated steel plate in each frame partition by adopting corrugated steel plate automatic welding equipment, welding the upper and lower boundaries of the corrugated steel plate with a horizontal beam, and welding the left and right boundaries with a concrete filled steel tube upright column square steel tube and a stiffening beam;
(5) pouring concrete into the square steel pipe of the steel pipe concrete upright post and maintaining the concrete until the concrete has initial strength;
(6) the shear wall component of the transverse rib corrugated plate is transported to a construction site, the outer steel tubes of the upper prefabricated wall body steel tube concrete stand column and the lower prefabricated wall body steel tube concrete stand column are welded and spliced in the site, and then concrete in the steel tube stand columns of the splicing sections is filled compactly through grouting holes.
Compared with the prior art, the method has the following advantages:
1. set up wide flange I shaped steel and be stiffening beam, stiffening beam quantity and specification and dimension can adjust at different layer within ranges according to the shear force wall horizontal force size, form a plurality of inside frame subregion with the horizontal beam welding, polylith small-size cross rib ripple steel sheet welds in the inside frame subregion, cross rib ripple steel sheet can adjust steel sheet thickness according to the atress demand in the different inside frame subregion, constitute stiffening type combination longwall jointly with shaped steel stiffening beam, can effectively retrain the whole bucking of cross rib ripple steel sheet, corrugated steel sheet shear wall's ductility performance and anti side bearing capacity have been improved.
2. The profiled corrugated steel plate shear wall member stiffened by the profile steel adopts the profile steel, has simple stiffening mode and convenient processing, can realize full-automatic welding, and is easy to realize standardized rapid production and manufacture.
3. By adopting the cross rib corrugated steel plate, the external stability and the lateral stiffness of the shear wall surface are improved, the plate thickness is reduced, and the integral stability is better.
4. The corrugations of the corrugated steel plates with the transverse ribs are in the horizontal direction, and vertical deformation caused by the dead weight of the structure in construction can be coordinated due to the accordion effect, so that the corrugations only participate in horizontal lateral resistance. The shear wall and the frame can be simultaneously prefabricated in a factory, so that the construction progress is accelerated.
5. The profiled corrugated steel plate shear wall stiffened by the profile steel can form a C shape or an L shape according to the use requirement, and the short wall limbs enable the shear wall to effectively limit the integral instability of the side columns and improve the ductility of the shear wall.
6. The outer steel tubes of the concrete-filled steel tube columns of the upper prefabricated wall body and the lower prefabricated wall body are welded and spliced on site by adopting sectional processing and manufacturing, and the corrugated steel plates can be connected by adopting welding or bolts.
Claims (6)
1. The utility model provides a shaped steel special-shaped corrugated steel plate shear force wall of putting more energy into, its characterized in that: the steel plate comprises upright posts, horizontal beams, stiffening beams and cross rib corrugated steel plates; the upright posts and the horizontal beams are enclosed to form a frame, each stiffening beam is arranged between the upper horizontal beam and the lower horizontal beam in parallel to the upright posts to separate the frame into a plurality of mutually independent unit frames, and the cross rib corrugated steel plates are arranged in the horizontal direction of the corrugations of the cross rib corrugated steel plates and welded in the unit frames.
2. The profiled corrugated steel sheet shear wall stiffened by section steel of claim 1, wherein: the frame is a rectangular flat frame, or an L-shaped frame or a C-shaped frame.
3. The profiled corrugated steel sheet shear wall stiffened by section steel of claim 1, wherein: the stand includes square steel pipe and the concrete of filling in the square steel pipe, is equipped with on-the-spot grout hole on the pipe wall at square steel pipe both ends.
4. The profiled corrugated steel sheet shear wall stiffened by section steel of claim 1, wherein: the horizontal beam is made of wide flange I-shaped steel, and the horizontal beam is connected with the upright post in a bolt welding mixed or all-welded mode.
5. The profiled corrugated steel sheet shear wall stiffened by section steel of claim 1, wherein: the stiffening beam is made of wide-flange I-shaped steel and is welded between every two adjacent horizontal beams.
6. The profiled corrugated steel sheet shear wall stiffened by section steel of claim 1, wherein: the corrugations of the cross rib corrugated steel plate are arranged in the horizontal direction and welded in the unit frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020050781.6U CN211646847U (en) | 2020-01-10 | 2020-01-10 | Profiled corrugated steel plate shear wall stiffened by profile steel |
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| CN202020050781.6U CN211646847U (en) | 2020-01-10 | 2020-01-10 | Profiled corrugated steel plate shear wall stiffened by profile steel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196140A (en) * | 2020-10-14 | 2021-01-08 | 北京工业大学 | Novel light steel shear wall body with embedded corrugated steel plate clad and construction method thereof |
| CN112726879A (en) * | 2020-12-28 | 2021-04-30 | 同济大学 | Corrugated steel plate composite wall structure system and design method thereof |
| CN115434452A (en) * | 2022-08-23 | 2022-12-06 | 中国矿业大学 | Corrugated steel plate-concrete combined wall |
-
2020
- 2020-01-10 CN CN202020050781.6U patent/CN211646847U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196140A (en) * | 2020-10-14 | 2021-01-08 | 北京工业大学 | Novel light steel shear wall body with embedded corrugated steel plate clad and construction method thereof |
| CN112726879A (en) * | 2020-12-28 | 2021-04-30 | 同济大学 | Corrugated steel plate composite wall structure system and design method thereof |
| CN115434452A (en) * | 2022-08-23 | 2022-12-06 | 中国矿业大学 | Corrugated steel plate-concrete combined wall |
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