CN105863107A - Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method - Google Patents
Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 165
- 239000010959 steel Substances 0.000 title claims abstract description 165
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000011162 core material Substances 0.000 claims abstract description 60
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 10
- 229910052751 metal Inorganic materials 0.000 claims 10
- 150000002739 metals Chemical class 0.000 claims 8
- 239000011230 binding agent Substances 0.000 claims 1
- 239000007767 bonding agent Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229920006389 polyphenyl polymer Polymers 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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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
- E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
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- Load-Bearing And Curtain Walls (AREA)
Abstract
一种夹芯管低屈服点钢板剪力墙及制作方法。剪力墙包括两块低屈服点薄钢板、多根钢制芯管、保温隔热芯材和细石砂浆；两块低屈服点薄钢板沿垂直方向平行设置；多根钢制芯管沿垂直方向间隔设置在两块低屈服点薄钢板之间，并且外表面前后部位分别与两块低屈服点薄钢板相连接，部分或全部钢制芯管的内部浇筑有细石砂浆；保温隔热芯材填充在低屈服点薄钢板和钢制芯管之间的空间中。本发明效果：相比于普通钢板剪力墙结构，采用本夹芯管低屈服点钢板剪力墙结构可以显著提高结构的弹性强度和刚度，提高结构正常使用极限状态的使用范围，同时结构的延性性能显著提高。本夹芯管低屈服点钢板剪力墙制作及施工方便，施工成本低，可实现工厂预制现场安装。
A sandwich tube low yield point steel plate shear wall and a manufacturing method thereof. The shear wall consists of two thin steel plates with low yield point, multiple steel core pipes, thermal insulation core material and fine stone mortar; two thin steel plates with low yield point are arranged in parallel along the vertical direction; multiple steel core pipes are The direction interval is set between two thin steel plates with low yield point, and the front and rear parts of the outer surface are respectively connected with the two thin steel plates with low yield point, and some or all of the steel core pipes are poured with fine stone mortar inside; the thermal insulation core The steel fills the space between the low yield point sheet steel and the steel core tube. Effect of the present invention: Compared with the ordinary steel plate shear wall structure, the steel plate shear wall structure with low yield point of the sandwich tube can significantly improve the elastic strength and rigidity of the structure, improve the use range of the normal service limit state of the structure, and at the same time the structural The ductility properties are significantly improved. The sandwich tube low yield point steel plate shear wall is convenient to manufacture and construct, has low construction cost, and can realize factory prefabrication and on-site installation.
Description
技术领域technical field
本发明属于土木建筑工程技术领域，尤其是涉及一种夹芯管低屈服点钢板剪力墙及制作方法。The invention belongs to the technical field of civil engineering, and in particular relates to a steel plate shear wall with a sandwich tube and a low yield point and a manufacturing method thereof.
背景技术Background technique
钢板剪力墙结构是20世纪70年代发展起来的一种新型抗侧力结构体系。传统的钢板剪力墙通常由内嵌钢板和竖向边缘构件及水平边缘构件组成，其受力特性与底端固定的竖向悬臂钢梁相似：竖向约束构件类似于钢梁的翼缘，内嵌钢板相当于钢梁的腹板，水平约束构件相当于钢梁的横向加劲肋。近40年的研究表明，钢板剪力墙作为主要的水平抗侧力构件具有较大的弹性初始刚度、大变形能力和良好的塑性耗能能力等特点，非常适合应用于高烈度地震区的高层建筑中。到目前为止，采用钢板剪力墙作为主要抗侧力体系的建筑结构已经有上百座，如2010年1月建成封顶的天津津塔即采用了钢板剪力墙结构体系。同时，钢板剪力墙还经历过实际地震考验并表现出良好的抗震性能，在1995年日本发生的阪神大地震中，129.4m高35层的神户市政大厅(KobeCityHall)在地震中表现良好，建筑未出现任何明显的结构破坏，仅在26层处发生了加劲钢板墙的局部屈曲，结构屋顶处正北和正西方向的水平侧移只有225mm和35mm，位移角仅为1.74‰和0.27‰。此外，钢板剪力墙符合当前装配式房屋设计特点，可以工厂预制、现场进行安装，施工速度快、费用低。但是，由于钢板剪力墙上的内嵌钢板往往很薄，钢板跨厚比可达1000以上，因此地震中易于发生平面外失稳屈曲，结构弹性承载力不够，在常遇地震作用下内嵌钢板即可能发生屈曲变形，从而影响结构的正常使用，而若采用较厚的钢板又不经济。另外，加劲钢板剪力墙结构又存在施工繁琐和成本高的问题。The steel plate shear wall structure is a new type of lateral force-resisting structural system developed in the 1970s. Traditional steel plate shear walls usually consist of embedded steel plates, vertical edge members and horizontal edge members, and their mechanical characteristics are similar to those of vertical cantilever steel beams fixed at the bottom: The embedded steel plate is equivalent to the web plate of the steel beam, and the horizontal restraint member is equivalent to the transverse stiffener of the steel beam. Research in the past 40 years has shown that as the main horizontal lateral force-resisting member, the steel plate shear wall has the characteristics of large elastic initial stiffness, large deformation capacity and good plastic energy dissipation capacity, and is very suitable for high-rise buildings in high-intensity earthquake areas. under construction. So far, there have been hundreds of building structures using steel plate shear walls as the main lateral force resistance system. For example, the Tianjin Jin Tower, which was completed and capped in January 2010, has adopted a steel plate shear wall structure system. At the same time, the steel plate shear wall has also experienced the actual earthquake test and showed good seismic performance. In the 1995 Hanshin Earthquake in Japan, the 129.4m high 35-story Kobe City Hall (Kobe City Hall) performed well in the earthquake. No obvious structural damage occurred, and only local buckling of the stiffened steel plate wall occurred at the 26th floor. The horizontal lateral displacement of the structural roof in the due north and due west directions was only 225mm and 35mm, and the displacement angle was only 1.74‰ and 0.27‰. In addition, the steel plate shear wall conforms to the current design characteristics of prefabricated houses, and can be prefabricated in factories and installed on site, with fast construction speed and low cost. However, since the embedded steel plate in the steel plate shear wall is often very thin, and the span-thickness ratio of the steel plate can reach more than 1000, it is prone to out-of-plane buckling during earthquakes, and the elastic bearing capacity of the structure is insufficient. The steel plate may buckle and deform, thereby affecting the normal use of the structure, and it is uneconomical to use a thicker steel plate. In addition, the stiffened steel plate shear wall structure has the problems of cumbersome construction and high cost.
针对上述问题，当前已有的改进措施包括采用钢板和混凝土两种材料制作的钢板混凝土剪力墙。根据钢板和混凝土板之间位置的不同，可以分为钢板外包混凝土组合剪力墙和钢板内填混凝土组合剪力墙，但这种组合剪力墙都需要钢板与混凝土板可靠连接，钢板上间隔一定距离满布设置抗剪栓钉，这将大大增大结构施工难度和结构造价，并且地震后混凝土板可能发生剪碎，在后续的地震下该结构将退化成普通钢板剪力墙，因此，现有的钢板剪力墙结构还有待进一步改进和发展。In view of the above problems, currently existing improvement measures include steel plate concrete shear walls made of steel plate and concrete. According to the position between the steel plate and the concrete slab, it can be divided into composite shear walls with steel plates covered with concrete and composite shear walls with steel plates filled with concrete. Setting shear studs at a certain distance will greatly increase the difficulty of structural construction and the cost of the structure, and the concrete slab may be sheared after the earthquake, and the structure will degenerate into an ordinary steel plate shear wall under subsequent earthquakes. Therefore, The existing steel plate shear wall structure needs to be further improved and developed.
发明内容Contents of the invention
为了解决上述问题，本发明的目的在于提供一种夹芯管低屈服点钢板剪力墙及制作方法。In order to solve the above problems, the object of the present invention is to provide a sandwich tube low yield point steel plate shear wall and a manufacturing method thereof.
为了达到上述目的，本发明提供的夹芯管低屈服点钢板剪力墙包括两块低屈服点薄钢板、多根钢制芯管、保温隔热芯材和细石砂浆；其中两块低屈服点薄钢板沿垂直方向平行设置；多根钢制芯管沿垂直方向间隔设置在两块低屈服点薄钢板之间，并且外表面前后部位分别与两块低屈服点薄钢板相连接，部分或全部钢制芯管的内部浇筑有细石砂浆；保温隔热芯材填充在低屈服点薄钢板和钢制芯管之间的空间中。In order to achieve the above object, the sandwich tube low yield point steel plate shear wall provided by the present invention includes two low yield point thin steel plates, multiple steel core pipes, thermal insulation core materials and fine stone mortar; two of them have low yield point Point thin steel plates are arranged in parallel along the vertical direction; multiple steel core tubes are arranged vertically between two thin steel plates with low yield points, and the front and rear parts of the outer surface are respectively connected with the two thin steel plates with low yield points, partly or The interior of all steel core pipes is poured with fine stone mortar; the thermal insulation core material is filled in the space between the low yield point thin steel plate and the steel core pipe.
所述的低屈服点薄钢板采用低屈服点钢材制成，其厚度按照结构设计承载力和变形能力确定。The low-yield point thin steel plate is made of low-yield point steel, and its thickness is determined according to the structural design bearing capacity and deformation capacity.
所述的钢制芯管采用中等屈服强度钢材制成，截面为圆形、椭圆形、方形或者矩形，钢制芯管与低屈服点薄钢板之间通过焊接或者环氧树脂粘接方式连接；相邻钢制芯管之间的间距根据门窗洞口、管线洞口和设计承载力确定，外径或边长以及壁厚按照设计承载力和变形能力确定。The steel core tube is made of steel with medium yield strength, and the cross-section is circular, oval, square or rectangular, and the steel core tube and the thin steel plate with low yield point are connected by welding or epoxy resin bonding; The spacing between adjacent steel core pipes is determined according to the door and window openings, pipeline openings and design bearing capacity, and the outer diameter or side length and wall thickness are determined according to the design bearing capacity and deformation capacity.
所述的保温隔热芯材采用聚苯板材，采用粘合剂粘接或细实砂浆涂刷方式与低屈服点薄钢板及钢制芯管连接。The heat-preserving and heat-insulating core material is made of polystyrene board, which is connected with low-yield-point thin steel plate and steel core pipe by adhesive bonding or fine mortar brushing.
本发明提供的夹芯管低屈服点钢板剪力墙的制作方法是在钢制芯管中浇筑细石砂浆；将保温隔热芯材填充在两块低屈服点薄钢板和钢制芯管之间，并采用粘合剂粘接或细实砂浆涂刷方式与低屈服点薄钢板和钢制芯管连接；钢制芯管和低屈服点薄钢板之间通过焊接或环氧树脂粘接方式连接。The manufacturing method of the sandwich tube low yield point steel plate shear wall provided by the invention is to pour fine stone mortar in the steel core tube; fill the thermal insulation core material between two low yield point thin steel plates and the steel core tube between them, and use adhesive bonding or fine mortar brushing method to connect with low yield point thin steel plate and steel core pipe; the steel core pipe and low yield point thin steel plate are bonded by welding or epoxy resin connect.
本发明提供的夹芯管低屈服点钢板剪力墙及制作方法具有如下有益效果：The sandwich tube low yield point steel plate shear wall and the manufacturing method provided by the present invention have the following beneficial effects:
1、相比于普通钢板剪力墙结构，采用本夹芯管低屈服点钢板剪力墙结构可以显著提高结构的弹性强度和刚度，提高结构正常使用极限状态的使用范围，同时结构的延性性能显著提高。1. Compared with the ordinary steel plate shear wall structure, the use of the sandwich tube low yield point steel plate shear wall structure can significantly improve the elastic strength and stiffness of the structure, improve the use range of the structure's normal service limit state, and at the same time the ductility of the structure Significantly increased.
2、低屈服点薄钢板采用低屈服点钢材、钢制芯管采用中等屈服强度钢材、钢梁、钢柱采用较高屈服点钢材，通过合理设计钢梁、钢柱截面尺寸、低屈服点薄钢板厚度、钢制芯管间距和钢制芯管截面尺寸，在地震作用下低屈服点薄钢板、钢制芯管、钢梁和钢柱依次发生屈服，因此结构存在三道抗震防线。2. Low-yield-point thin steel plates are made of low-yield-point steel, steel core pipes are made of medium-yield-strength steel, and steel beams and columns are made of high-yield-point steel. Steel plate thickness, steel core tube spacing, and steel core tube cross-sectional size. Under earthquake action, thin steel plates with low yield points, steel core tubes, steel beams, and steel columns yield sequentially. Therefore, there are three anti-seismic defense lines in the structure.
3、与普通加劲钢板剪力墙相比，本夹芯管低屈服点钢板剪力墙制作及施工方便，施工成本低，可实现工厂预制现场安装。3. Compared with ordinary stiffened steel plate shear walls, the low yield point steel plate shear walls with sandwich tubes are easy to manufacture and construct, and the construction cost is low, which can realize factory prefabrication and on-site installation.
4、与混凝土组合剪力墙相比，本夹芯管低屈服点钢板剪力墙结构自重轻，具有保温隔热隔声性能，同时可以方便水暖电等管线穿越。4. Compared with the concrete composite shear wall, the sandwich tube low yield point steel plate shear wall structure has light weight, has thermal insulation and sound insulation performance, and can facilitate the passage of pipelines such as water heating and electricity.
附图说明Description of drawings
图1是本发明提供的夹芯管低屈服点钢板剪力墙结构正视图。Fig. 1 is a front view of a sandwich tube low yield point steel plate shear wall structure provided by the present invention.
图2是图1中A-A向剖视图。Fig. 2 is a sectional view along line A-A in Fig. 1 .
图3是图1中B-B向剖视图。Fig. 3 is a cross-sectional view along B-B in Fig. 1 .
具体实施方式detailed description
下面结合附图和具体实施例对本发明提供的夹芯管低屈服点钢板剪力墙及制作方法进行详细说明。The sandwich tube low yield point steel plate shear wall provided by the present invention and its manufacturing method will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1—图3所示，本发明提供的夹芯管低屈服点钢板剪力墙包括两块低屈服点薄钢板5、多根钢制芯管2、保温隔热芯材3和细石砂浆7；其中两块低屈服点薄钢板5沿垂直方向平行设置；多根钢制芯管2沿垂直方向间隔设置在两块低屈服点薄钢板5之间，并且外表面前后部位分别与两块低屈服点薄钢板5相连接，部分或全部钢制芯管2的内部浇筑有细石砂浆7，以提高钢制芯管2对低屈服点薄钢板5的约束效果，进而显著提高钢板剪力墙整体强度和刚度，特别能提高结构正常使用阶段的承载能力；保温隔热芯材3填充在低屈服点薄钢板5和钢制芯管2之间的空间中。As shown in Figures 1-3, the sandwich tube low yield point steel plate shear wall provided by the present invention includes two low yield point thin steel plates 5, a plurality of steel core tubes 2, thermal insulation core materials 3 and fine stone Mortar 7; wherein two thin steel plates 5 with low yield point are arranged in parallel in the vertical direction; multiple steel core pipes 2 are arranged at intervals between the two thin steel plates 5 with low yield point along the vertical direction, and the front and rear parts of the outer surface are respectively connected to the two A piece of low-yield point thin steel plate 5 is connected, and part or all of the steel core pipe 2 is poured with fine stone mortar 7 to improve the restraining effect of the steel core pipe 2 on the low yield point thin steel plate 5, thereby significantly improving the shear strength of the steel plate. The overall strength and rigidity of the force wall can especially improve the bearing capacity of the structure during normal use; the thermal insulation core material 3 is filled in the space between the low yield point thin steel plate 5 and the steel core pipe 2 .
所述的低屈服点薄钢板5采用低屈服点钢材制成，如LYP160钢材，其厚度按照结构设计承载力和变形能力确定。The low yield point thin steel plate 5 is made of low yield point steel, such as LYP160 steel, and its thickness is determined according to the structural design bearing capacity and deformation capacity.
所述的钢制芯管2采用中等屈服强度钢材制成，如Q235钢材，截面为圆形、椭圆形、方形或者矩形，钢制芯管2与低屈服点薄钢板5之间通过焊接或者环氧树脂粘接方式连接，以保证连接强度；相邻钢制芯管2之间的间距根据门窗洞口、管线洞口和设计承载力确定，外径或边长以及壁厚按照设计承载力和变形能力确定。The steel core tube 2 is made of steel with medium yield strength, such as Q235 steel, with a circular, oval, square or rectangular cross section, and the steel core tube 2 and the thin steel plate 5 with a low yield point are welded or ring-shaped Oxygen resin bonding method to ensure the connection strength; the distance between adjacent steel core tubes 2 is determined according to the door and window openings, pipeline openings and design bearing capacity, and the outer diameter or side length and wall thickness are determined according to the design bearing capacity and deformation capacity Sure.
所述的保温隔热芯材3采用聚苯板材等轻质保温材料，采用粘合剂粘接或细实砂浆涂刷方式与低屈服点薄钢板5及钢制芯管连接，可以起到保温隔热隔声的效果，同时能够使结构自重显著降低，结构水平和竖向地震作用效应显著减小。The thermal insulation core material 3 is made of lightweight thermal insulation materials such as polystyrene boards, and is connected with the low yield point thin steel plate 5 and the steel core pipe by adhesive bonding or fine mortar brushing, which can play a role in thermal insulation. The effect of heat insulation and sound insulation can significantly reduce the self-weight of the structure, and the effect of the horizontal and vertical seismic action of the structure can be significantly reduced.
现将本发明提供的夹芯管低屈服点钢板剪力墙制作及使用方法阐述如下：Now the sandwich tube low-yield point steel plate shear wall making and using method provided by the present invention are set forth as follows:
本发明提供的夹芯管低屈服点钢板剪力墙可在工厂批量生产，制作时可根据水暖电管线布置需求，可将其中的部分钢制芯管2作为水暖电等管线通道，在不设置管线的钢制芯管2中浇筑细石砂浆7；将保温隔热芯材3填充在两块低屈服点薄钢板5和钢制芯管2之间，并采用粘合剂粘接或细实砂浆涂刷方式与低屈服点薄钢板5和钢制芯管2连接；钢制芯管2和低屈服点薄钢板5之间通过诸如氩弧焊等焊接或环氧树脂粘接方式连接。The sandwich tube low yield point steel plate shear wall provided by the present invention can be mass-produced in the factory, and part of the steel core tube 2 can be used as a pipeline channel for water heating and electricity according to the layout requirements of plumbing and electricity pipelines during production. The fine stone mortar 7 is poured into the steel core pipe 2 of the pipeline; the thermal insulation core material 3 is filled between two thin steel plates 5 with low yield point and the steel core pipe 2, and bonded with an adhesive or thin solid The mortar painting method is used to connect the low yield point thin steel plate 5 and the steel core pipe 2; the steel core pipe 2 and the low yield point thin steel plate 5 are connected by welding such as argon arc welding or epoxy resin bonding.
本发明提供的夹芯管低屈服点钢板剪力墙应与采用诸如Q345等高屈服点钢材制成的钢柱4和钢梁1配合使用。使用时，首先根据结构承载力和变形需求选择钢柱4和钢梁1的截面形式和截面尺寸，若建造单片剪力墙可以采用H型钢材作为钢柱4和钢梁1，若建造钢板剪力墙核心筒，则可以采用方形或矩形钢管作为钢柱4；之后将夹芯管低屈服点钢板剪力墙上的钢制芯管2及低屈服点薄钢板5上下端与钢梁1焊接连接，将低屈服点薄钢板5侧面边缘与钢柱4焊接连接，并保证上述焊接点的连接强度大于构件本身强度，以避免强震下焊接节点处发生破坏。另外，可根据设计需要在两块低屈服点薄钢板5上开设孔洞以用于安装门窗和管线通道等，此时门窗洞口两边应设置用于增强的钢制芯管2。The sandwich tube low yield point steel plate shear wall provided by the present invention should be used in conjunction with steel columns 4 and steel beams 1 made of high yield point steel such as Q345. When in use, first select the cross-sectional form and cross-sectional size of the steel column 4 and steel beam 1 according to the structural bearing capacity and deformation requirements. If building a single-piece shear wall, H-shaped steel can be used as the steel column 4 and steel beam 1. If building a steel plate For the core tube of the shear wall, square or rectangular steel pipes can be used as the steel column 4; then the steel core tube 2 and the upper and lower ends of the low-yield point steel plate shear wall of the sandwich tube and the low-yield point steel plate 5 are connected to the steel beam 1 For welding connection, the side edge of the low yield point thin steel plate 5 is welded to the steel column 4, and the connection strength of the above welding point is ensured to be greater than the strength of the member itself, so as to avoid damage to the welded joint under strong earthquakes. In addition, according to design requirements, holes can be opened on the two thin steel plates 5 with low yield point for installing doors, windows and pipeline passages.
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