CN106592817A - Composite steel plate shear wall structure - Google Patents
Composite steel plate shear wall structure Download PDFInfo
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- CN106592817A CN106592817A CN201610915577.4A CN201610915577A CN106592817A CN 106592817 A CN106592817 A CN 106592817A CN 201610915577 A CN201610915577 A CN 201610915577A CN 106592817 A CN106592817 A CN 106592817A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 105
- 239000010959 steel Substances 0.000 title claims abstract description 105
- 239000002131 composite material Substances 0.000 title abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 abstract description 27
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008458 response to injury Effects 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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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Abstract
本发明公开了一种组合钢板剪力墙结构，包括第一垂直边缘构件、第二垂直边缘构件、第一水平边缘构件、第二水平边缘构件及混凝土组合钢板；所述混凝土组合钢板包括钢板、两个钢筋混凝土板及若干对拉螺杆式栓钉，该结构能够有效减小混凝土盖板的拉应力，改善混凝土板的长期性能及耐久性，解决传统组合钢板剪力墙及改进型组合钢板剪力墙出现的现浇钢筋混凝土盖板先于墙板破坏而不能有效约束墙板的问题。
The invention discloses a composite steel plate shear wall structure, comprising a first vertical edge member, a second vertical edge member, a first horizontal edge member, a second horizontal edge member and a concrete composite steel plate; the concrete composite steel plate includes a steel plate, Two reinforced concrete slabs and a number of tension screw-type studs, this structure can effectively reduce the tensile stress of the concrete cover slab, improve the long-term performance and durability of the concrete slab, and solve the problem of traditional combined steel plate shear wall and improved combined steel plate shear wall. The cast-in-place reinforced concrete cover slab that appears in the force wall is destroyed before the wall slab and cannot effectively restrain the wall slab.
Description
技术领域technical field
本发明涉及一种剪力墙结构，具体涉及一种组合钢板剪力墙结构。The invention relates to a shear wall structure, in particular to a combined steel plate shear wall structure.
背景技术Background technique
钢板剪力墙结构是在薄腹梁理论研究基础上演变和发展起来的一种以框架内嵌钢板为基本结构单元的新型抗侧力体系。钢板剪力墙具有以下良好的优越性能：①初始侧向刚度大，滞回性能稳定，能量耗散能力强，延性大，抵抗循环荷载下的变形能力好等优点。②对于钢框架—钢筋混凝土核芯筒结构，如核心筒改为钢板墙结构，可显著改善其刚度和延性，实现与外框架材料、延性、刚度的匹配，达到双重设防的目的。③钢板墙中内嵌钢板的设置可缓解框架梁柱节点区的延性要求，降低了在强震作用下刚性节点的震害反应，同时可简化节点构造，使得采用半刚性节点成为可能。④钢板墙内嵌钢板较薄，高厚比可达250～500，可增加房屋有效使用面积。The steel plate shear wall structure is a new type of lateral force-resisting system with the steel plate embedded in the frame as the basic structural unit, which evolved and developed on the basis of the theory of thin-web beams. The steel plate shear wall has the following good superior properties: ①The initial lateral stiffness is large, the hysteretic performance is stable, the energy dissipation capacity is strong, the ductility is large, and the deformation resistance under cyclic load is good. ②For the steel frame-reinforced concrete core tube structure, if the core tube is changed to a steel plate wall structure, its stiffness and ductility can be significantly improved, and the matching with the outer frame material, ductility, and stiffness can be achieved, and the purpose of double fortification can be achieved. ③The setting of embedded steel plates in the steel plate wall can alleviate the ductility requirements of the frame beam-column joint area, reduce the seismic damage response of rigid joints under strong earthquakes, and simplify the joint structure, making it possible to use semi-rigid joints. ④The steel plate embedded in the steel plate wall is relatively thin, and the height-thickness ratio can reach 250-500, which can increase the effective use area of the house.
由于在传统钢板剪力墙中，水平荷载作用下，非加劲薄板屈曲后始终伴随较大的屈曲响声，同时产生较大的面外变形。这意味着在较大风荷载或地震作用过程中，舒适度不理想，使用性不佳。传统钢板剪力墙主要依靠屈曲后形成的拉力场来抵抗水平力，锚固在边框上的拉力场对边柱、边梁会产生附加弯距，增加了柱子的稳定负担，所以边缘梁柱的设计应充分考虑墙板拉力场效应。同时，薄钢板剪力墙在较小剪力作用下屈曲，滞回环有显著的捏缩，降低了钢板剪力墙的耗能能力。为了解决薄板墙中存在的问题，可以在内嵌钢板的一侧或者两侧现浇钢筋混凝土，两者材料通过内嵌钢板上预置的抗剪栓钉组成一体，形成组合钢板墙。相比于传统钢板剪力墙，组合钢板剪力墙具有以下优点：Because in the traditional steel plate shear wall, under the horizontal load, the non-stiffened thin plate is always accompanied by a large buckling sound after buckling, and at the same time, a large out-of-plane deformation occurs. This means less than ideal comfort and poor usability during high wind loads or seismic action. The traditional steel plate shear wall mainly relies on the tension field formed after buckling to resist the horizontal force. The tension field anchored on the frame will generate additional bending distance to the side column and side beam, which increases the stability burden of the column. Therefore, the design of the edge beam column The effect of wall panel tension field should be fully considered. At the same time, the thin steel plate shear wall buckles under a small shear force, and the hysteresis loop has a significant pinch, which reduces the energy dissipation capacity of the steel plate shear wall. In order to solve the problems existing in thin-slab walls, reinforced concrete can be cast in-situ on one side or both sides of the embedded steel plate, and the two materials are integrated through the preset shear studs on the embedded steel plate to form a composite steel plate wall. Compared with traditional steel plate shear walls, combined steel plate shear walls have the following advantages:
1)钢筋混凝土盖板约束了钢板面外变形，改变了钢板的受力性能，使薄钢板拉力带效应转换为厚钢板的剪切机制。从而降低了墙板的噪音，显著改善了钢板剪力墙的滞回性能。1) The reinforced concrete cover constrains the out-of-plane deformation of the steel plate, changes the mechanical performance of the steel plate, and transforms the tension band effect of the thin steel plate into the shear mechanism of the thick steel plate. Thereby, the noise of the wall panel is reduced, and the hysteretic performance of the steel plate shear wall is significantly improved.
2)组合钢板剪力墙具有传统钢板剪力墙的优点，主要依靠钢板进行耗能，其相较于混凝土剪力墙，有较好的抗震性能。2) The composite steel plate shear wall has the advantages of the traditional steel plate shear wall, and mainly relies on the steel plate for energy dissipation. Compared with the concrete shear wall, it has better seismic performance.
3)由于钢筋混凝土盖板的存在，其能起到防火、保温、隔音等作用，可以降低后期工作量，降低成本。3) Due to the existence of the reinforced concrete cover plate, it can play the role of fire prevention, heat preservation, sound insulation, etc., which can reduce the workload in the later stage and reduce the cost.
通过对组合钢板剪力墙的研究发现，其存在以下问题：传统组合钢板剪力墙的钢筋混凝土盖板与内嵌墙板完全粘接，在约束墙板时参与抵抗了一部分水平力，但由于在大变形下内填钢板与混凝土板二者变形不协调，易出现钢筋混凝土盖板承受较大拉应力的情况，加之钢板的面外挤压，导致混凝土与钢板不断脱离，失去混凝土板保护的内填钢板作用，后期性能仍然退化为薄钢板墙。同时，边部混凝土盖板将发生挤压破坏，上述两原因均导致盖板提前退出工作，不能持续的约束薄钢板的屈曲，导致组合钢板墙退化为薄钢板剪力墙。改进型组合钢板剪力墙在混凝土盖板周边与边框间设缝，避免水平侧移时混凝土板与边框接触损坏，但由于其未解决在大变形下内填钢板与混凝土板二者变形不协调的问题，使得其后期性能仍然退化为薄钢板墙，另外，混凝土的破坏降低了结构的长期性能和耐久性。Through the research on the combined steel plate shear wall, it is found that there are the following problems: the reinforced concrete cover plate of the traditional combined steel plate shear wall is completely bonded to the embedded wall plate, and participates in resisting part of the horizontal force when the wall plate is restrained, but due to Under large deformation, the deformation of the inner filling steel plate and the concrete slab is not coordinated, and the reinforced concrete cover slab is likely to bear a large tensile stress. In addition, the out-of-plane extrusion of the steel plate will cause the concrete and the steel plate to separate continuously, and the protection of the concrete slab will be lost. The performance of the inner filling steel plate is still degraded to a thin steel plate wall in the later stage. At the same time, the concrete cover slab at the edge will be crushed and damaged. Both of the above two reasons lead to the premature withdrawal of the cover slab and the inability to continuously restrain the buckling of the thin steel plate, resulting in the degeneration of the composite steel plate wall into a thin steel plate shear wall. The improved composite steel plate shear wall has seams between the periphery of the concrete cover plate and the frame to avoid contact damage between the concrete slab and the frame during horizontal lateral movement, but because it does not solve the incongruity between the deformation of the inner filling steel plate and the concrete slab under large deformation However, the performance of the later stage is still degraded to a thin steel plate wall. In addition, the damage of the concrete reduces the long-term performance and durability of the structure.
发明内容Contents of the invention
本发明的目的在于克服上述现有技术的缺点，提供了一种组合钢板剪力墙结构，该结构能够有效减小混凝土盖板的拉应力，改善混凝土板的长期性能及耐久性，解决传统组合钢板剪力墙及改进型组合钢板剪力墙出现的现浇钢筋混凝土盖板先于墙板破坏而不能有效约束墙板的问题。The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art, and provide a combined steel plate shear wall structure, which can effectively reduce the tensile stress of the concrete cover plate, improve the long-term performance and durability of the concrete slab, and solve the problem of traditional combined steel plate shear wall structure. In the steel plate shear wall and the improved composite steel plate shear wall, the cast-in-place reinforced concrete cover plate is damaged before the wall plate and cannot effectively restrain the wall plate.
为达到上述目的，本发明所述的组合钢板剪力墙结构包括第一垂直边缘构件、第二垂直边缘构件、第一水平边缘构件、第二水平边缘构件及混凝土组合钢板；In order to achieve the above object, the combined steel plate shear wall structure of the present invention includes a first vertical edge member, a second vertical edge member, a first horizontal edge member, a second horizontal edge member and a concrete composite steel plate;
第一垂直边缘构件的两端分别与第一水平边缘构件的一端及第二水平边缘构件的一端相连接，第二垂直边缘构件的两端分别与第一水平边缘构件的另一端及第二水平边缘构件的另一端相连接，混凝土组合钢板固定于第一垂直边缘构件、第二垂直边缘构件、第一水平边缘构件及第二水平边缘构件围成的区域内；The two ends of the first vertical edge member are respectively connected with one end of the first horizontal edge member and one end of the second horizontal edge member, and the two ends of the second vertical edge member are respectively connected with the other end of the first horizontal edge member and the second horizontal edge member. The other end of the edge member is connected, and the concrete composite steel plate is fixed in the area surrounded by the first vertical edge member, the second vertical edge member, the first horizontal edge member and the second horizontal edge member;
所述混凝土组合钢板包括钢板、两个钢筋混凝土板及若干对拉螺杆式栓钉，其中，钢板的四个端部分别与第一垂直边缘构件、第二垂直边缘构件、第一水平边缘构件及第二水平边缘构件相连接，两个钢筋混凝土板分别固定于钢板的两侧面上，其中，对拉螺杆式栓钉的一端插入于一个钢筋混凝土板内，对拉螺杆式栓钉的另一端穿过钢板插入于另一个钢筋混凝土板内。The concrete composite steel plate comprises a steel plate, two reinforced concrete slabs and a plurality of pull screw type studs, wherein the four ends of the steel plate are respectively connected to the first vertical edge member, the second vertical edge member, the first horizontal edge member and The second horizontal edge member is connected, and two reinforced concrete slabs are respectively fixed on the two sides of the steel plate, wherein one end of the pull screw type stud is inserted into a reinforced concrete slab, and the other end of the pull screw type stud is inserted into the steel plate. The steel plate is inserted into another reinforced concrete slab.
所述对拉螺杆式栓钉包括螺杆、第一螺帽及第二螺帽，其中，第一螺帽与第二螺帽通过螺纹连接于螺杆的两端。The pull-screw bolt includes a screw, a first nut and a second nut, wherein the first nut and the second nut are connected to two ends of the screw by threads.
第一螺帽的外侧及内侧、第二螺帽的内侧及外侧均套装有低弹模材料层。The outer side and inner side of the first nut, and the inner side and outer side of the second nut are all covered with a low elastic modulus material layer.
钢筋混凝土板与第一垂直边缘构件、第二垂直边缘构件、第一水平边缘构件及第二水平边缘构件均有间隙。The reinforced concrete slab has clearances from the first vertical edge member, the second vertical edge member, the first horizontal edge member, and the second horizontal edge member.
钢板为矩形结构。The steel plate is a rectangular structure.
第一垂直边缘构件、第二垂直边缘构件、第一水平边缘构件及第二水平边缘构件均为工字型钢，钢板的四个端部分别与第一垂直边缘构件的翼缘、第二垂直边缘构件的翼缘、第一水平边缘构件的翼缘及第二水平边缘构件的翼缘相连接。The first vertical edge member, the second vertical edge member, the first horizontal edge member and the second horizontal edge member are all I-shaped steel, and the four ends of the steel plate are connected with the flange of the first vertical edge member and the second vertical edge respectively. The flange of the member, the flange of the first horizontal edge member and the flange of the second horizontal edge member are connected.
本发明具有以下有益效果：The present invention has the following beneficial effects:
本发明所述的组合钢板剪力墙结构在现有改进型组合钢板剪力墙的基础上引入对拉螺杆式栓钉，其中，对拉螺杆式栓钉的一端插入于一个钢筋混凝土板内，对拉螺杆式栓钉的另一端穿过钢板插入于另一个钢筋混凝土板内，其中，对拉螺杆式栓钉不参与剪力的传递，同时具有抗拔能力，改善传统组合钢板剪力墙和改进型组合钢板剪力墙的受力模式，使钢板与钢筋混凝土板之间能够发生滑移，减少钢筋混凝土板的拉应力。同时钢板与钢筋混凝土板不会发生面外分离，钢筋混凝土板能有效的约束钢板剪力墙结构的面外变形，使得钢板剪力墙结构的滞回曲线更加平滑、滞回性能更加稳定，从而保持持续耗能能力，改善混凝土板的长期性能及耐久性。本发明改变传统高强螺栓连接形式，使得螺栓仅承受拉力，同时不参与抗剪，避免传统栓钉的焊接工序及钢板沿厚度方向受力，减少钢板的焊接残余应力，解决传统组合钢板剪力墙及改进型组合钢板剪力墙出现的现浇钢筋混凝土盖板先于墙板破坏而不能有效约束墙板的问题。The composite steel plate shear wall structure described in the present invention introduces the double-pull screw type stud on the basis of the existing improved composite steel plate shear wall, wherein, one end of the double-pull screw type stud is inserted into a reinforced concrete slab, The other end of the anti-pull screw type stud is inserted into another reinforced concrete slab through the steel plate, wherein the anti-pull screw type stud does not participate in the transmission of shear force, and at the same time has the ability to resist pulling out, which improves the traditional combined steel plate shear wall and The stress mode of the improved combined steel plate shear wall enables slippage between the steel plate and the reinforced concrete slab, and reduces the tensile stress of the reinforced concrete slab. At the same time, the steel plate and the reinforced concrete slab will not separate out of plane, and the reinforced concrete slab can effectively restrain the out-of-plane deformation of the steel plate shear wall structure, making the hysteretic curve of the steel plate shear wall structure smoother and the hysteretic performance more stable. Maintain continuous energy dissipation capability and improve long-term performance and durability of concrete slabs. The invention changes the connection form of the traditional high-strength bolts, so that the bolts only bear the tensile force, and at the same time do not participate in the shear resistance, avoid the welding process of the traditional studs and the force of the steel plate along the thickness direction, reduce the welding residual stress of the steel plate, and solve the problem of the traditional combined steel plate shear wall And the problem that the cast-in-place reinforced concrete cover plate of the improved composite steel plate shear wall is destroyed before the wall plate and cannot effectively restrain the wall plate.
进一步，第一螺帽的外侧及内侧、第二螺帽的内侧及外侧均套装有低弹模材料层，通过低弹模材料层缓冲第一螺帽及第二螺帽的受力。Further, the outer side and inner side of the first nut, and the inner side and outer side of the second nut are covered with a low elastic modulus material layer, and the force of the first nut and the second nut is buffered by the low elastic modulus material layer.
附图说明Description of drawings
图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明的爆炸图；Fig. 2 is an explosion diagram of the present invention;
图3为对拉螺杆式栓钉8的结构示意图；Fig. 3 is a structural schematic diagram of the pull screw type stud 8;
其中，1为第一水平边缘构件、2为第一垂直边缘构件、3为第二水平边缘构件、4为第二垂直边缘构件、5为混凝土组合钢板、6为钢筋混凝土板、7为钢板、8为对拉螺杆式栓钉、9为第一螺帽、10为螺杆、11为低弹模材料层。Among them, 1 is the first horizontal edge member, 2 is the first vertical edge member, 3 is the second horizontal edge member, 4 is the second vertical edge member, 5 is the concrete composite steel plate, 6 is the reinforced concrete plate, 7 is the steel plate, 8 is a pull screw bolt, 9 is a first nut, 10 is a screw, and 11 is a low elastic modulus material layer.
具体实施方式detailed description
下面结合附图对本发明做进一步详细描述：The present invention is described in further detail below in conjunction with accompanying drawing:
本发明所述的组合钢板剪力墙结构包括第一垂直边缘构件2、第二垂直边缘构件4、第一水平边缘构件1、第二水平边缘构件3及混凝土组合钢板5；第一垂直边缘构件2的两端分别与第一水平边缘构件1的一端及第二水平边缘构件3的一端相连接，第二垂直边缘构件4的两端分别与第一水平边缘构件1的另一端及第二水平边缘构件3的另一端相连接，混凝土组合钢板5固定于第一垂直边缘构件2、第二垂直边缘构件4、第一水平边缘构件1及第二水平边缘构件3围成的区域内；所述混凝土组合钢板5包括钢板7、两个钢筋混凝土板6及若干对拉螺杆式栓钉8，其中，钢板7的四个端部分别与第一垂直边缘构件2、第二垂直边缘构件4、第一水平边缘构件1及第二水平边缘构件3相连接，两个钢筋混凝土板6分别固定于钢板7的两侧面上，其中，对拉螺杆式栓钉8的一端插入于一个钢筋混凝土板6内，对拉螺杆式栓钉8的另一端穿过钢板7插入于另一个钢筋混凝土板6内。The combined steel plate shear wall structure of the present invention comprises a first vertical edge member 2, a second vertical edge member 4, a first horizontal edge member 1, a second horizontal edge member 3 and a concrete composite steel plate 5; the first vertical edge member The two ends of 2 are respectively connected with one end of the first horizontal edge member 1 and one end of the second horizontal edge member 3, and the two ends of the second vertical edge member 4 are respectively connected with the other end of the first horizontal edge member 1 and the second horizontal edge member 1. The other end of the edge member 3 is connected, and the concrete composite steel plate 5 is fixed in the area surrounded by the first vertical edge member 2, the second vertical edge member 4, the first horizontal edge member 1 and the second horizontal edge member 3; Concrete composite steel plate 5 comprises steel plate 7, two reinforced concrete plates 6 and several pull screw type studs 8, wherein, the four ends of steel plate 7 are respectively connected with the first vertical edge member 2, the second vertical edge member 4, the first vertical edge member A horizontal edge member 1 and a second horizontal edge member 3 are connected, and two reinforced concrete slabs 6 are respectively fixed on both sides of the steel plate 7, wherein one end of the pull screw type stud 8 is inserted into a reinforced concrete slab 6 , the other end of the pull screw type stud 8 passes through the steel plate 7 and is inserted into another reinforced concrete slab 6 .
所述对拉螺杆式栓钉8包括螺杆10、第一螺帽9及第二螺帽，其中，第一螺帽9与第二螺帽通过螺纹连接于螺杆10的两端；第一螺帽9的外侧及内侧、第二螺帽的内侧及外侧均套装有低弹模材料层11；钢筋混凝土板6与第一垂直边缘构件2、第二垂直边缘构件4、第一水平边缘构件1及第二水平边缘构件3均有间隙；钢板7为矩形结构；第一垂直边缘构件2、第二垂直边缘构件4、第一水平边缘构件1及第二水平边缘构件3均为工字型钢，钢板7的四个端部分别与第一垂直边缘构件2的翼缘、第二垂直边缘构件4的翼缘、第一水平边缘构件1的翼缘及第二水平边缘构件3的翼缘相连接。The pull screw type bolt 8 includes a screw rod 10, a first nut 9 and a second nut, wherein the first nut 9 and the second nut are threadedly connected to the two ends of the screw rod 10; the first nut The outside and inside of 9, the inside and outside of the second nut are all set with low elastic modulus material layer 11; reinforced concrete plate 6 and the first vertical edge member 2, the second vertical edge member 4, the first horizontal edge member 1 and The second horizontal edge member 3 has a gap; the steel plate 7 is a rectangular structure; the first vertical edge member 2, the second vertical edge member 4, the first horizontal edge member 1 and the second horizontal edge member 3 are I-shaped steel, the steel plate The four ends of 7 are respectively connected with the flange of the first vertical edge member 2 , the flange of the second vertical edge member 4 , the flange of the first horizontal edge member 1 and the flange of the second horizontal edge member 3 .
Claims (6)
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| CN201610915577.4A CN106592817A (en) | 2016-10-20 | 2016-10-20 | Composite steel plate shear wall structure |
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Application publication date: 20170426 |