CN105201103B - A kind of assembled band frame ribbing steel plate shear force wall - Google Patents
A kind of assembled band frame ribbing steel plate shear force wall Download PDFInfo
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Abstract
一种装配式带边框加肋钢板剪力墙属于结构工程技术领域。装配式带边框加肋钢板剪力墙包括内嵌钢板、边框柱、边框柱隔板、边框柱连接板、连接板、横向肋板、竖向肋板、框架梁、框架柱和框架柱隔板。在上述装配式带边框加肋钢板剪力墙中，内嵌钢板与边框柱、边框柱隔板、边框柱连接板、横向肋板、竖向肋板在工厂焊接成整体剪力墙模块；连接板与框架梁整体在工厂焊接成一体；连接板与整体剪力墙模块用高强螺栓连接，与框架柱不连接；框架柱与所述框架柱隔板焊接，框架梁与所述框架柱焊接或者螺栓连接或者栓焊混合连接。本发明具有抗侧刚度大、承载力高、抗震性能好、延性高等特点，同时具有灵活开洞、施工简单、缩短工期、降低造价的优点。
An assembled steel plate shear wall with frame and ribs belongs to the technical field of structural engineering. Prefabricated ribbed steel plate shear wall with frame includes embedded steel plate, frame column, frame column partition, frame column connection plate, connection plate, transverse rib, vertical rib, frame beam, frame column and frame column partition . In the above prefabricated steel plate shear wall with frame and ribs, the embedded steel plate, frame column, frame column partition, frame column connecting plate, transverse rib, and vertical rib are welded into an integral shear wall module in the factory; The plate and the frame beam are integrally welded in the factory; the connecting plate and the integral shear wall module are connected with high-strength bolts, and are not connected to the frame column; the frame column is welded to the frame column partition, and the frame beam is welded to the frame column or Bolted or bolted and welded joints. The invention has the characteristics of large anti-lateral rigidity, high bearing capacity, good anti-seismic performance, high ductility, etc., and has the advantages of flexible opening, simple construction, shortened construction period and reduced cost.
Description
技术领域technical field
本发明涉及一种新型的装配式带边框加肋钢板剪力墙，属于结构工程技术领域。The invention relates to a novel assembled steel plate shear wall with frame and ribs, which belongs to the technical field of structural engineering.
背景技术Background technique
钢板剪力墙结构是20世纪70年代由日本钢铁公司将钢板剪力墙应用于建筑中，从而发展起来的一种新型抗侧力结构体系，过去四十几年来，关于钢板墙作为主要水平抗侧力体系的试验研究和数值分析揭示了其独特的表现，包括较大的弹性初始刚度、大变形能力和良好的塑性性能、稳定的滞回特性等。到目前为止，全球采用钢板剪力墙作为主要抗侧力构件的建筑共已有数十幢，主要分布在北美和日本等地震高烈度区。钢板墙已成为一种非常具有发展前景的高层抗侧力体系，尤其适用于高烈度地震区建筑。The steel plate shear wall structure is a new type of lateral force-resisting structural system developed by the Japanese Steel Corporation in the 1970s when the steel plate shear wall was applied to buildings. The experimental research and numerical analysis of the lateral force system revealed its unique performance, including large elastic initial stiffness, large deformation capacity and good plastic performance, stable hysteresis characteristics, etc. So far, there have been dozens of buildings in the world that use steel plate shear walls as the main anti-lateral force components, mainly in North America and Japan and other areas with high seismic intensity. Steel plate wall has become a very promising high-rise lateral force resistance system, especially suitable for buildings in high-intensity earthquake areas.
传统薄板剪力墙由于其宽厚比较大，在侧向力较小时就发生局部屈曲，并随着侧向力的逐渐增大在钢板墙对角线方向形成拉力带，加劲钢板墙的设计原理是利用不同形式的加劲肋延缓钢板的屈曲，提高钢板的极限承载力及延性性能。对薄钢板墙，可以通过设置加劲肋以改善其受力性能及延性。传统薄钢板剪力墙尽管具有很好的经济效益，但它易发生屈曲在受力时失效导致框架柱负担多余荷载，并且施工时需要现场焊接，施工速度慢。因此带边框加肋及装配式的钢板剪力墙既可以提高钢板的抗侧刚度，让钢板尽可能的保持在平面内工作，提高剪力墙的抗震性能和耗能能力，同时降低造价，缩短工期，提高经济效益。Due to the large width-thickness ratio of the traditional thin-slab shear wall, local buckling occurs when the lateral force is small, and a tension band is formed in the diagonal direction of the steel plate wall with the gradual increase of the lateral force. The design principle of the stiffened steel plate wall is Different forms of stiffeners are used to delay the buckling of the steel plate and improve the ultimate bearing capacity and ductility of the steel plate. For thin steel plate walls, stiffeners can be set to improve their mechanical performance and ductility. Although the traditional thin steel plate shear wall has good economic benefits, it is prone to buckling and fails when it is stressed, causing the frame column to bear excess load, and it needs on-site welding during construction, and the construction speed is slow. Therefore, the steel plate shear wall with frame and rib and assembly can not only improve the lateral stiffness of the steel plate, keep the steel plate working in the plane as much as possible, improve the seismic performance and energy dissipation capacity of the shear wall, but also reduce the cost and shorten the construction period and improve economic efficiency.
发明内容Contents of the invention
本发明提出了一种新型的装配式带边框加肋钢板剪力墙，其目的在于，克服薄钢板剪力墙因过早的平面外屈曲而不能充分发挥钢材的强度和延性的缺点，提高了钢板剪力墙的平面外稳定，极限承载能力和抗侧刚度，充分发挥了钢材的优势；采用装配式模块，所有构件均可工厂预制，节约成本，缩短施工工期。The present invention proposes a new type of prefabricated steel plate shear wall with frame and ribs, the purpose of which is to overcome the shortcomings of thin steel plate shear walls that cannot fully exert the strength and ductility of steel due to premature out-of-plane buckling, and improve the The out-of-plane stability, ultimate bearing capacity and lateral stiffness of the steel plate shear wall give full play to the advantages of steel; the prefabricated modules are used, and all components can be prefabricated in the factory, saving costs and shortening the construction period.
传统薄钢板剪力墙由于其宽厚比较大，在受到侧向荷载较小时就发生局部屈曲，并且随着侧向荷载的逐渐增大在钢板对角线方向形成拉力带，伴随着较大的面外变形，当外荷载反向作用时，拉力带反向受压将不再能提供刚度。而在外荷载反向作用期间，由于在上级荷载下曾发生过较大压屈变形，钢板墙的受压区在过渡成拉力带区时将经历“平展”的过程，直到反向拉力带的形成。在这一过程中，钢板无法承受荷载，结构仅靠框架梁柱承担外荷载，增加了柱子的稳定负担。因此剪力墙边框和加劲肋的设置，一方面控制了钢板屈曲后的较大的平面外变形，提供了侧向约束及竖向约束，避免了钢板墙在反向外荷载作用时的失效过程，提高了结构整体的抗侧刚度与延性性能；另一方面，由于剪力墙只与框架梁连接与框架柱不连接，剪力墙四周开洞灵活，所以能更好的作为抗侧力构件应用于多高层钢结构中。Due to the large width-thickness ratio of the traditional thin steel plate shear wall, local buckling occurs when the lateral load is small, and with the gradual increase of the lateral load, a tension band is formed in the direction of the steel plate diagonal, accompanied by a larger surface External deformation, when the external load acts in reverse, the tension band will no longer be able to provide stiffness if it is reversely compressed. During the reverse action of the external load, due to the large buckling deformation under the upper load, the compression zone of the steel plate wall will experience a "flattening" process when it transitions into a tension zone until the formation of the reverse tension zone . In this process, the steel plate cannot bear the load, and the structure only relies on the frame beams and columns to bear the external load, which increases the stability burden of the columns. Therefore, the setting of the shear wall frame and stiffeners, on the one hand, controls the large out-of-plane deformation of the steel plate after buckling, provides lateral constraints and vertical constraints, and avoids the failure process of the steel plate wall under the action of reverse external loads , which improves the overall lateral stiffness and ductility of the structure; on the other hand, since the shear wall is only connected to the frame beam and not to the frame column, the openings around the shear wall are flexible, so it can be better used as a lateral force component Applied to multi-story steel structures.
本发明提出的装配式带边框加肋钢板剪力墙是对传统非装配式钢板剪力墙的改进，一方面采用剪力墙边框及加肋的双重约束来控制钢板的平面外稳定，改善了传统钢板剪力墙易屈曲的缺陷，提高了钢板剪力墙的抗侧能力，同时由于上述装配式带边框加肋钢板剪力墙的平面外刚度很大，能够有效控制运输、安装以及使用工程中的平面外变形，保持钢板的稳固安全；另一方面，由于剪力墙只与框架梁连接与框架柱不连接，剪力墙四周开洞灵活，所以能更好的作为抗侧力构件应用于多高层钢结构中；并且本发明的所有构件都可以在工厂进行加工和安装，然后运至工地进行装配，避免了现场焊接作业，节省人力物力，缩短工期，降低造价。The prefabricated steel plate shear wall with frame and ribs proposed by the present invention is an improvement to the traditional non-fabricated steel plate shear wall. On the one hand, the out-of-plane stability of the steel plate is controlled by the double constraints of the frame and ribs of the shear wall, which improves the The buckling defects of traditional steel plate shear walls improve the lateral resistance of steel plate shear walls. At the same time, because the out-of-plane rigidity of the above-mentioned prefabricated steel plate shear walls with frame and ribs is very large, it can effectively control the transportation, installation and use engineering. The out-of-plane deformation in the middle keeps the stability and safety of the steel plate; on the other hand, because the shear wall is only connected to the frame beam and not to the frame column, the openings around the shear wall are flexible, so it can be better used as a lateral force-resistant component In the multi-story steel structure; and all components of the present invention can be processed and installed in the factory, and then transported to the construction site for assembly, avoiding on-site welding operations, saving manpower and material resources, shortening the construction period and reducing the cost.
一种装配式带边框加肋钢板剪力墙，其特征在于，包括内嵌钢板1、边框柱2、边框柱隔板3、边框柱连接板4、连接板5、横向肋板6、竖向肋板7、框架梁8、框架柱9和框架柱隔板10；水平放置的边框柱隔板3与竖直放置的边框柱连接板4均固定于边框柱上下，每个边框柱上方有一个边框柱隔板3与边框柱连接板4；每个边框柱下方有一个边框柱隔板3与边框柱连接板4；边框柱连接板4与连接板5螺栓连接；与边框柱及内嵌钢板1整体预制，所述横向肋板6、竖向肋板7均采用矩形肋板固定在内嵌钢板1单侧；所述内嵌钢板1与边框柱2、边框柱隔板3、边框柱连接板4、横向肋板6、竖向肋板7预制构成整体剪力墙模块，其中所述边框柱2、边框柱隔板3、边框柱连接板4在所述内嵌钢板1两侧对称布置；在整体剪力墙模块上方的连接板5固定于框架梁8下翼缘；在整体剪力墙模块下方连接板5分别固定于框架梁8上翼缘；所述连接板5与框架梁8整体预制；所述的连接板5与整体剪力墙模块用高强螺栓连接；所述整体剪力墙模块与框架柱9不连接；所述框架梁8与所述框架柱9连接；所述边框柱隔板3与横向肋板6采用一致厚度钢板，并且上表面固定于同一水平面；所述边框柱连接板4与内嵌钢板1采用一致厚度钢板；所述整体剪力墙模块内嵌钢板1与连接板5的接触面所在平面为框架梁8形心所在平面。An assembled ribbed steel plate shear wall with a frame is characterized in that it includes an embedded steel plate 1, a frame column 2, a frame column partition 3, a frame column connecting plate 4, a connecting plate 5, a transverse rib plate 6, a vertical Ribs 7, frame beams 8, frame columns 9 and frame column partitions 10; frame column partitions 3 placed horizontally and frame column connecting plates 4 placed vertically are all fixed on the top and bottom of the frame columns, and each frame column has a Frame column partition 3 and frame column connecting plate 4; under each frame column there is a frame column partition 3 and frame column connecting plate 4; frame column connecting plate 4 and connecting plate 5 are bolted; and frame column and embedded steel plate 1. Overall prefabrication, the transverse ribs 6 and vertical ribs 7 are fixed on one side of the embedded steel plate 1 by rectangular ribs; the embedded steel plate 1 is connected with the frame column 2, the frame column partition 3, and the frame column Plates 4, transverse ribs 6, and vertical ribs 7 are prefabricated to form an integral shear wall module, wherein the frame columns 2, frame column partitions 3, and frame column connecting plates 4 are symmetrically arranged on both sides of the embedded steel plate 1 The connecting plate 5 above the integral shear wall module is fixed on the lower flange of the frame beam 8; the connecting plate 5 below the integral shear wall module is respectively fixed on the upper flange of the frame beam 8; the connecting plate 5 and the frame beam 8 Integral prefabrication; the connecting plate 5 is connected to the integral shear wall module with high-strength bolts; the integral shear wall module is not connected to the frame column 9; the frame beam 8 is connected to the frame column 9; the frame The column partition plate 3 and the transverse rib plate 6 adopt steel plates of the same thickness, and the upper surface is fixed on the same horizontal plane; the frame column connecting plate 4 and the embedded steel plate 1 adopt steel plates of the same thickness; the integral shear wall module is embedded with a steel plate 1 The plane where the contact surface with the connecting plate 5 is located is the plane where the centroid of the frame beam 8 is located.
在上述装配式带边框加肋钢板剪力墙中，所述内嵌钢板1与边框柱2、边框柱隔板3、边框柱连接板4、横向肋板6、竖向肋板7焊接为整体剪力墙模块。In the above-mentioned prefabricated steel plate shear wall with frame and ribs, the embedded steel plate 1 is welded together with the frame column 2, the frame column partition plate 3, the frame column connecting plate 4, the transverse rib plate 6, and the vertical rib plate 7 Shear wall module.
在上述装配式带边框加肋钢板剪力墙中，所述整体剪力墙模块与连接板5采用高强螺栓连接。In the above-mentioned prefabricated steel plate shear wall with frame and ribs, the integral shear wall module and the connecting plate 5 are connected by high-strength bolts.
所述内嵌钢板1采用厚度为4-10mm的薄钢板。The embedded steel plate 1 is a thin steel plate with a thickness of 4-10 mm.
在上述装配式带边框加肋钢板剪力墙中，所述框架柱9与所述框架柱隔板10焊接，所述框架梁8与所述框架柱9焊接或者螺栓连接或者栓焊混合连接。In the above prefabricated steel plate shear wall with frame and ribs, the frame column 9 is welded to the frame column partition 10 , and the frame beam 8 is welded to the frame column 9 or bolted or bolted and welded.
本发明与传统的非装配式纯钢板剪力墙相比，通过边框柱边缘约束构件及横向加劲肋和竖向加劲肋，可以有效的限制钢板墙的平面外变形，提高钢板墙的抗侧刚度、耗能及延性性能，同时采用全预制整体模块及装配式连接构造，剪力墙模块与框架采用高强螺栓连接，提高了施工速度、缩短了工期。同时，横向加劲肋与竖向加劲肋和边框柱组合约束可以在钢板剪力墙的拉力带方向承担一定的拉力，且剪力墙模块只与结构梁相连，避免增加结构柱的负担。该发明的所有构件都可以在工厂加工，然后在实地装配，施工简单，缩短工期，降低造价，适用于装配式钢结构。Compared with the traditional non-fabricated pure steel plate shear wall, the invention can effectively limit the out-of-plane deformation of the steel plate wall and improve the lateral stiffness of the steel plate wall through the frame column edge constraining members, transverse stiffeners and vertical stiffeners , energy consumption and ductility performance, while adopting a fully prefabricated integral module and an assembled connection structure, the shear wall module and the frame are connected by high-strength bolts, which improves the construction speed and shortens the construction period. At the same time, the combination of transverse stiffeners, vertical stiffeners and frame columns can bear a certain tension in the direction of the tension band of the steel plate shear wall, and the shear wall modules are only connected to the structural beams to avoid increasing the burden on the structural columns. All components of the invention can be processed in a factory and then assembled on the spot, the construction is simple, the construction period is shortened, the cost is reduced, and the invention is suitable for fabricated steel structures.
本发明提供的装配式带边框加肋钢板剪力墙是高层建筑钢结构或其它结构的一种新型抗侧力构件。The assembled steel plate shear wall with frame and ribs provided by the invention is a new type of lateral force-resisting component for high-rise building steel structures or other structures.
附图说明：Description of drawings:
图1为本发明的装配式带边框加肋钢板剪力墙结构示意图。Fig. 1 is a schematic diagram of the structure of the prefabricated steel plate shear wall with frame and ribs of the present invention.
图2为本发明的装配式带边框加肋钢板剪力墙单元分解图。Fig. 2 is an exploded view of the fabricated steel plate shear wall with frame and ribs of the present invention.
图3为本发明的装配式带边框加肋钢板剪力墙与纯框架的具体实例分析结果对比图。Fig. 3 is a comparison diagram of the analysis results of the specific examples of the fabricated framed ribbed steel plate shear wall and the pure frame of the present invention.
具体实施方式：Detailed ways:
下面结合附图对本发明进行详细说明：The present invention is described in detail below in conjunction with accompanying drawing:
如图1、2所示，1—内嵌钢板，2—边框柱，3—边框柱隔板，4—边框柱连接板，5—连接板，6—横向肋板，7—竖向肋板，8—框架梁，9—框架柱。As shown in Figures 1 and 2, 1—embedded steel plate, 2—frame column, 3—frame column partition, 4—frame column connecting plate, 5—connecting plate, 6—transverse rib, 7—vertical rib , 8—frame beam, 9—frame column.
所述内嵌钢板1采用厚度为4-10mm的薄钢板；所述边框柱2采用箱型钢管尺寸为150x150x10x10mm；所述边框柱隔板3与边框柱连接板4均固定于边框柱上下，与边框柱及内嵌钢板1整体预制，所述边框柱隔板与连接板均为10-14mm厚钢板；所述连接板5分别固定于框架梁8上下翼缘；所述横向肋板6、竖向肋板7均采用矩形肋板固定在内嵌钢板1单侧；所述内嵌钢板1与边框柱2、边框柱隔板3、边框柱连接板4、横向肋板6、竖向肋板7预制构成整体剪力墙模块，其中所述边框柱2、边框柱隔板3、边框柱连接板4在所述内嵌钢板1两侧对称布置；所述连接板5与框架梁8整体预制；所述的连接板5与整体剪力墙模块用高强螺栓连接；所述整体剪力墙模块与框架柱9不连接；所述框架梁8与所述框架柱9连接；所述边框柱隔板3与横向肋板6采用一致厚度钢板；所述边框柱连接板4与内嵌钢板1采用一致厚度钢板，并且两侧表面均为同一平面；所述整体剪力墙模块内嵌钢板1与连接板5的接触面所在平面为框架梁8形心所在平面。The embedded steel plate 1 adopts a thin steel plate with a thickness of 4-10mm; the frame column 2 adopts a box-shaped steel pipe with a size of 150x150x10x10mm; The frame column and the embedded steel plate 1 are integrally prefabricated, and the frame column partition and connecting plate are both 10-14mm thick steel plates; the connecting plate 5 is respectively fixed on the upper and lower flanges of the frame beam 8; the transverse ribs 6, vertical The ribs 7 are all fixed on one side of the embedded steel plate 1 by rectangular ribs; 7 Prefabricated to form an integral shear wall module, wherein the frame columns 2, frame column partitions 3, and frame column connecting plates 4 are arranged symmetrically on both sides of the embedded steel plate 1; the connecting plates 5 and frame beams 8 are integrally prefabricated The connecting plate 5 is connected with the integral shear wall module with high-strength bolts; the integral shear wall module is not connected with the frame column 9; the frame beam 8 is connected with the frame column 9; The plates 3 and the transverse ribs 6 are made of steel plates of the same thickness; the connecting plate 4 of the frame column and the embedded steel plate 1 are made of steel plates of the same thickness, and the surfaces on both sides are the same plane; the embedded steel plate 1 of the integral shear wall module and the The plane where the contact surface of the connecting plate 5 is located is the plane where the centroid of the frame beam 8 is located.
在上述装配式带边框加肋钢板剪力墙中，所述内嵌钢板1与边框柱2、边框柱隔板3、边框柱连接板4、横向肋板6、竖向肋板7焊接为整体剪力墙模块。在上述装配式带边框加肋钢板剪力墙中，所述整体剪力墙模块与连接板5采用高强螺栓连接。在上述装配式带边框加肋钢板剪力墙中，所述框架柱9与所述框架柱隔板10焊接，所述框架梁8与所述框架柱9焊接或者螺栓连接或者栓焊混合连接。In the above-mentioned prefabricated steel plate shear wall with frame and ribs, the embedded steel plate 1 is welded together with the frame column 2, the frame column partition plate 3, the frame column connecting plate 4, the transverse rib plate 6, and the vertical rib plate 7 Shear wall module. In the above-mentioned prefabricated steel plate shear wall with frame and ribs, the integral shear wall module and the connecting plate 5 are connected by high-strength bolts. In the above prefabricated steel plate shear wall with frame and ribs, the frame column 9 is welded to the frame column partition 10 , and the frame beam 8 is welded to the frame column 9 or bolted or bolted and welded.
上述装配式带边框加肋钢板剪力墙的平面外刚度很大，能够有效控制运输、安装以及使用工程中的平面外变形，保持钢板的稳固安全。The out-of-plane stiffness of the prefabricated steel plate shear wall with frame and ribs is very large, which can effectively control out-of-plane deformation during transportation, installation and use, and maintain the stability and safety of the steel plate.
本发明提出的装配式带边框加肋钢板剪力墙是对传统非装配式钢板剪力墙的改进，将装配式应用其中，一方面采用剪力墙边框及加肋的双重约束来控制钢板的平面外稳定，改善了传统钢板剪力墙易屈曲的缺陷，提高了钢板剪力墙的抗侧能力；另一方面，由于剪力墙只与框架梁连接与框架柱不连接，剪力墙四周开洞灵活，所以能更好的作为抗侧力构件应用于多高层钢结构中；并且本发明的所有构件都可以在工厂进行加工和安装，然后运至工地进行装配，避免了现场焊接作业，节省人力物力，缩短工期，降低造价。The prefabricated steel plate shear wall with frame and ribs proposed by the present invention is an improvement to the traditional non-fabricated steel plate shear wall. The prefabricated type is applied to it. On the one hand, the double constraints of the shear wall frame and ribs are used to control the steel plate Out-of-plane stability improves the buckling defects of traditional steel plate shear walls and improves the lateral resistance of steel plate shear walls; on the other hand, since the shear walls are only connected to frame beams and not frame columns, the The opening is flexible, so it can be better used as a lateral force-resistant component in multi-story steel structures; and all components of the present invention can be processed and installed in the factory, and then transported to the construction site for assembly, avoiding on-site welding operations, Save manpower and material resources, shorten the construction period and reduce the cost.
具体实例计算：所述内嵌钢板采用厚度为10mm的钢板；所述边框柱采用箱型钢管尺寸为150150x10x10mm；所述边框柱隔板采用厚度14mm的钢板，边框柱连接板采用10mm厚钢板，所述框架柱隔板与连接板均为10mm厚钢板；所述横向肋板与竖向肋板均采用30x14mm的矩形肋板，所述框架梁采用截面为400x300x16x10的H型钢，所述框架柱采用600x600x40x40mm的箱型截面柱，所述连接板与内嵌钢板采用10.9级M22高强螺栓连接，所述连接板与边框柱连接板采用10.9级M16高强螺栓连接，经过有限元软件分析，与所述框架梁、框架柱、框架柱隔板组成的纯框架结构对比，结构整体刚度提高了25％，屈服强度提高了30％。Calculation of specific examples: the embedded steel plate adopts a steel plate with a thickness of 10mm; the frame column adopts a box-shaped steel pipe with a size of 150×10×10mm; The frame column partitions and connecting plates are all 10mm thick steel plates; the horizontal ribs and vertical ribs are all rectangular ribs of 30x14mm, the frame beams are H-shaped steel with a section of 400x300x16x10, and the frame columns are 600x600x40x40mm box-section column, the connecting plate and the embedded steel plate are connected by 10.9-grade M22 high-strength bolts, and the connecting plate and the frame column connecting plate are connected by 10.9-grade M16 high-strength bolts. Compared with the pure frame structure composed of frame columns and frame column partitions, the overall rigidity of the structure has increased by 25%, and the yield strength has increased by 30%.
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