CN208137186U - Assembling truss type light steel frame-punching sheet metal-Combined concrete wall - Google Patents
Assembling truss type light steel frame-punching sheet metal-Combined concrete wall Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 200
- 239000010959 steel Substances 0.000 title claims abstract description 200
- 239000004567 concrete Substances 0.000 title claims abstract description 142
- 238000004080 punching Methods 0.000 title description 5
- 239000002131 composite material Substances 0.000 claims abstract description 52
- 238000009415 formwork Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 238000005452 bending Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 5
- 239000004574 high-performance concrete Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
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Abstract
本实用新型涉及一种装配式桁架型轻钢框架‑冲孔薄钢板‑混凝土组合墙。本实用新型中,钢管混凝土边框柱、钢管混凝土边框梁及墙体钢管混凝土桁架肋一起,形成墙板钢管混凝土桁架受力体系,并与冲孔薄钢板一起形成组合墙钢骨架,提高了墙板整体性,支模浇筑混凝土,养护后形成装配式桁架型轻钢框架‑冲孔薄钢板‑混凝土组合墙,并且仅需通过连接螺栓将组合墙装配至外部结构上。本实用新型中的装配式组合墙具有较好的抗弯、抗剪承载力及平面外刚度,抗震性能好,同时,墙板采工厂生产,现场装配,有效化解现场施工带来的质量通病,大幅提高工程施工效率,降低工程用工量,适合在村镇低多层农房结构中广泛推广应用。
The utility model relates to an assembled truss type light steel frame-perforated thin steel plate-concrete composite wall. In the utility model, the concrete-filled steel tube frame column, the concrete-filled steel tube frame beam and the concrete-filled steel tube truss rib of the wall form a wall plate concrete-filled steel tube truss stress system, and together with the perforated thin steel plate form a composite wall steel skeleton, which improves the strength of the wall plate. Integrality, formwork pouring concrete, after curing, an assembled truss-type light steel frame-perforated thin steel plate-concrete composite wall is formed, and the composite wall only needs to be assembled to the external structure through connecting bolts. The assembled composite wall in the utility model has better bending resistance, shear bearing capacity and out-of-plane rigidity, and good seismic performance. At the same time, the wall panels are produced in factories and assembled on site, which effectively resolves common quality problems caused by on-site construction. The efficiency of engineering construction is greatly improved, and the amount of engineering labor is reduced, which is suitable for widespread application in low-storey farm house structures in villages and towns.
Description
技术领域:Technical field:
本实用新型属于建筑结构工程中装配式组合墙制作技术领域,具体涉及一种装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙及作法。The utility model belongs to the technical field of fabrication of assembled composite walls in building structure engineering, in particular to an assembled truss-type light steel frame-perforated thin steel plate-concrete composite wall and a method thereof.
背景技术:Background technique:
当前,我国正处在新型城镇化、新农村建设蓬勃发展时期,量大面广的新农村建造、迫切的新农村改造目标,使得简易的集成房屋、低层装配式房屋开始在低多层农房结构中发展起来。现阶段,集成房屋、装配式房屋多采用钢结构构件或钢混结构构件组成的梁柱框架作为房屋结构的主要受力体系,墙体为外挂墙板或填充墙,因此具有拆装便捷、布局灵活、建设周期短等优良特性。但同时,作为房屋结构的主要构件,外挂墙板及填充墙板,仅能作为房屋的围护构件,不能参与受力,故存在房屋结构承载力低、延性差,多发生脆性破坏的问题,房屋整体也存在稳定性差,抗震能力差的问题,从而极大制约了集成房屋、装配式房屋在住宅中的应用。At present, my country is in the period of new-type urbanization and new rural construction booming. The large-scale and wide-ranging new rural construction and the urgent goal of new rural transformation have made simple integrated houses and low-rise prefabricated houses begin to be used in low-rise farm houses. developed in the structure. At this stage, integrated houses and prefabricated houses mostly use beam-column frames composed of steel structural members or steel-concrete structural members as the main force-bearing system of the house structure. Excellent features such as flexibility and short construction period. But at the same time, as the main components of the house structure, the external wall panels and infill wall panels can only be used as the enclosure components of the house and cannot participate in the force. Therefore, there are problems of low bearing capacity, poor ductility, and frequent brittle failure of the house structure. The housing as a whole also has the problems of poor stability and poor earthquake resistance, which greatly restricts the application of integrated houses and prefabricated houses in residential buildings.
我国村镇建筑量占全国总建筑量的60%,多数农房位于抗震设防地区,如何合理设计并利用墙体,提高低层集成房屋、装配式房屋的承载力,增强其抗震能力,而不影响其空间布局灵活的优势,将具有承载能力与抗震功能的墙体运用到低多层建筑,特别是新农村建设时期的村镇低多层农房结构中,是推动我国新型城镇化、新农村建设的关键。The construction volume of villages and towns in my country accounts for 60% of the total construction volume of the country, and most of the farm houses are located in anti-seismic fortification areas. How to rationally design and use walls to improve the bearing capacity of low-rise integrated houses and prefabricated houses and enhance their earthquake resistance without affecting their The advantages of flexible space layout, the application of walls with bearing capacity and earthquake resistance to low-storey buildings, especially the low-storey farmhouse structures in villages and towns during the new rural construction period, is the key to promoting my country's new urbanization and new rural construction The essential.
因此,研发一种经济实用,造价低廉,施工简便的适用于低多层建筑,特别是村镇低多层农房结构的装配式组合墙具有十分重要的实践意义和社会经济价值。Therefore, it is of great practical significance and socio-economic value to develop an economical, practical, low-cost, and easy-to-construct prefabricated composite wall suitable for low-story buildings, especially low-story farmhouse structures in villages and towns.
发明内容:Invention content:
本实用新型提供了一种装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,为低多层集成房屋、装配式房屋提供了一种具有较好承载能力及抗震能力的装配式墙体的作法,适合在具有抗震设防要求的低多层建筑,特别是村镇低多层农房中广泛推广,以解决目前农房结构缺少抗震措施,抗震能力薄弱的现状。同时,构件现场装配、施工简单,可以促进新农村建设发展目标的完成。The utility model provides an assembled truss type light steel frame-perforated thin steel plate-concrete composite wall, which provides an assembled wall with better bearing capacity and earthquake resistance for low-level multi-storey integrated houses and assembled houses. This approach is suitable for low-storey buildings with seismic fortification requirements, especially low-storey rural houses in villages and towns, so as to solve the current situation of lack of earthquake-resistant measures and weak earthquake-resistant capacity in rural house structures. At the same time, the on-site assembly and construction of the components are simple, which can promote the completion of the development goals of new rural construction.
为实现上述目的,本实用新型采用如下技术方案:In order to achieve the above object, the utility model adopts the following technical solutions:
一种装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,包括钢管混凝土边框柱(1)、钢管混凝土边框梁(2)、冲孔薄钢板(3)、钢管混凝土桁架肋(4)、混凝土(5)、连接端板(6)和连接螺栓(7);所述的冲孔薄钢板(3) 是在板厚不超过5mm的钢板上经冲床通过模具冲压出孔的钢板,孔心距不小于50mm,冲孔面积不低于冲孔薄钢板(3)面积的1/2;在钢管混凝土边框柱 (1)的柱顶及柱脚位置分别焊接连接端板(6),连接端板(6)上预制螺栓孔;钢管混凝土边框柱(1)与钢管混凝土边框梁(2)焊接,形成组合墙轻钢框架边框,边框内部焊接冲孔薄钢板(3),随后在冲孔薄钢板两侧交叉布置钢管混凝土桁架肋(4),钢管混凝土桁架肋(4)两端与组合墙轻钢框架边框焊接固定,至此,形成组合墙钢骨架;支模浇筑墙板混凝土(5),养护后形成一种装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙;装配时,组合墙与外部结构通过连接螺栓(7)进行连接。A prefabricated truss-type light steel frame-perforated thin steel plate-concrete composite wall, including steel tube concrete frame columns (1), steel tube concrete frame beams (2), punched thin steel plates (3), steel tube concrete truss ribs (4 ), concrete (5), connecting end plates (6) and connecting bolts (7); the punched thin steel plate (3) is a steel plate that punches out holes through a punch through a die on a steel plate with a thickness of no more than 5mm, The hole center distance is not less than 50mm, and the punching area is not less than 1/2 of the area of the punched thin steel plate (3); the end plates (6) are respectively welded at the top and foot of the steel tube concrete frame column (1), Prefabricated bolt holes on the connecting end plate (6); the steel tube concrete frame column (1) is welded with the steel tube concrete frame beam (2) to form a light steel frame frame of the composite wall, and the punched thin steel plate (3) is welded inside the frame, and then punched Steel tube concrete truss ribs (4) are cross-arranged on both sides of the hole thin steel plate, and the two ends of the steel tube concrete truss ribs (4) are welded and fixed to the frame frame of the light steel frame of the composite wall. So far, the steel skeleton of the composite wall is formed; ), forming a prefabricated truss-type light steel frame-perforated thin steel plate-concrete composite wall after curing; during assembly, the composite wall and the external structure are connected by connecting bolts (7).
所述的装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,其特征在于:The assembled truss type light steel frame-punched thin steel plate-concrete composite wall is characterized in that:
所述的钢管混凝土边框柱(1)及钢管混凝土边框梁(2)采用方形或矩形钢管,钢管壁厚不大于8mm,钢管截面边长不小于50mm,管内填充混凝土。钢管混凝土具有较高的受剪承载力,钢管混凝土边框柱(1)及钢管混凝土边框梁(2)焊接,形成组合墙轻钢框架边框,显著增加了墙板的抗剪强度。The concrete-filled steel pipe frame column (1) and the concrete-filled steel pipe frame beam (2) adopt square or rectangular steel pipes, the wall thickness of the steel pipes is not greater than 8mm, the side length of the steel pipe section is not less than 50mm, and the pipes are filled with concrete. The steel tube concrete has a high shear bearing capacity, and the steel tube concrete frame column (1) and the steel tube concrete frame beam (2) are welded to form a light steel frame frame of the composite wall, which significantly increases the shear strength of the wall panel.
所述的冲孔薄钢板(3)是经冲床通过模具冲压出圆形孔、方形孔或矩形孔的钢板,冲孔薄钢板(3)布置在轻钢框架边框中部,同时浇筑在混凝土(5) 中部。冲孔薄钢板(3)定位后与墙板钢管混凝土边框焊接固定,浇筑在混凝土中起到加筋的作用,但又比配置钢筋施工更简易,具有整体性强、网孔均匀、亦于加工、成本低廉等特点,提高了墙板平面外刚度,提高了墙板抗震能力。The punched thin steel plate (3) is a steel plate with circular holes, square holes or rectangular holes punched out by a die through a punching machine. The punched thin steel plate (3) is arranged in the middle part of the light steel frame frame and poured on the concrete (5 ) middle. The perforated thin steel plate (3) is welded and fixed with the steel pipe concrete frame of the wall panel after positioning, and poured into the concrete to play the role of reinforcement, but it is easier to construct than the configuration of steel bars, with strong integrity, uniform mesh, and easy processing , low cost and other characteristics, improve the out-of-plane rigidity of the wallboard, and improve the seismic capacity of the wallboard.
所述的钢管混凝土桁架肋(4)采用方形或矩形钢管填充混凝土而成,钢管壁厚不大于5mm,冲孔薄钢板(3)两侧交叉布置的墙体钢管混凝土桁架肋(4)与墙体轻钢框架边框一起,构成墙板桁架受力骨架;混凝土(5)浇筑时,钢管混凝土桁架肋(4)部分或全部浇筑在墙板内。钢管混凝土桁架肋(4) 的设置,增加了墙板抗弯、抗剪能力及平面外承载力,提高了墙板抗震水平。The concrete-filled steel pipe truss ribs (4) are made of square or rectangular steel pipes filled with concrete, and the wall thickness of the steel pipes is not greater than 5mm. The frame of the light steel frame of the body together constitutes the stressed skeleton of the wall panel truss; when the concrete (5) is poured, part or all of the steel tube concrete truss rib (4) is poured in the wall panel. The setting of the steel tube concrete truss rib (4) increases the bending resistance, shear resistance and out-of-plane bearing capacity of the wall panel, and improves the seismic level of the wall panel.
所述的混凝土(5)浇筑厚度40mm~100mm,混凝土强度等级为C30~C60;混凝土(5)为普通混凝土、不同再生粗骨料掺量的再生混凝土或高性能混凝土。再生混凝土为旧建筑拆除后的废弃混凝土块经过破碎、清洗、分级后,得到的混凝土骨料制备而成,采用再生混凝土,实现了废弃混凝土的资源化和减量化的处理原则,能起到保护环境和节约资源的作用,具有显著的社会效益,促进国家可持续发展。根据工程需要,可配置抗裂、抗腐蚀等性能的高性能混凝土。The pouring thickness of the concrete (5) is 40mm-100mm, and the concrete strength grade is C30-C60; the concrete (5) is ordinary concrete, recycled concrete or high-performance concrete with different recycled coarse aggregate content. Recycled concrete is prepared from the concrete aggregate obtained after crushing, cleaning and grading waste concrete blocks after demolition of old buildings. The use of recycled concrete realizes the principle of resource utilization and reduction of waste concrete, which can play a role The role of protecting the environment and saving resources has significant social benefits and promotes the sustainable development of the country. According to engineering needs, high-performance concrete with properties such as crack resistance and corrosion resistance can be configured.
所述的连接端板(6)采用的钢板厚度不小于6mm,连接端板上加工有对应连接螺栓(7)孔径的螺栓孔。连接端板(6)与钢管混凝土边框柱(1)焊接时,可焊接加劲肋加强连接。The thickness of the steel plate used for the connecting end plate (6) is not less than 6 mm, and the connecting end plate is processed with bolt holes corresponding to the apertures of the connecting bolts (7). When the connecting end plate (6) is welded to the steel pipe concrete frame column (1), the connection can be strengthened by welding stiffeners.
所述的连接螺栓(7)不小于M16,强度不小于8.8级,组合墙安装时,每个连接端板(6)上的连接螺栓(7)不少于4个。The connecting bolts (7) are not less than M16, and the strength is not less than grade 8.8. When the composite wall is installed, there are not less than four connecting bolts (7) on each connecting end plate (6).
与现有技术相比,本实用新型的装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙具有如下优势:Compared with the prior art, the assembled truss type light steel frame-perforated thin steel plate-concrete composite wall of the utility model has the following advantages:
(1)传统装配式墙体多为外挂墙板或大模块填充墙,仅能作为房屋的围护构件,不能参与受力,故存在房屋结构整体稳定性差、承载力低、延性差,抗震能力弱、多发生脆性破坏的问题,本实用新型提供的装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,在结构中充当受力构件,具有较好的承载能力及抗震能力,适合在具有抗震设防要求的低多层建筑,特别是村镇低多层农房中广泛推广,以促进新农村建设发展目标的完成。(1) Most of the traditional prefabricated walls are external wall panels or large module filling walls, which can only be used as enclosure components of the house and cannot participate in the force. Therefore, the overall stability of the house structure is poor, the bearing capacity is low, the ductility is poor, and the earthquake resistance Weak and frequently brittle failures, the assembled truss-type light steel frame-perforated thin steel plate-concrete composite wall provided by the utility model acts as a stressed member in the structure, has better bearing capacity and earthquake resistance, and is suitable for It is widely promoted in low-storey buildings with earthquake-resistant fortification requirements, especially low-storey farm houses in villages and towns, so as to promote the completion of the development goals of new rural construction.
(2)组合墙作为抗震单元在柱网中选择性布置,布置在低多层房屋结构受力薄弱位置,从而增加了房屋结构侧向刚度及抗震能力,而不影响建筑开间及布局。(2) The composite wall is selectively arranged in the column network as an anti-seismic unit, and is arranged in the weak position of the structure of the low-rise building, thereby increasing the lateral stiffness and anti-seismic capacity of the building structure without affecting the building bay and layout.
(3)钢管混凝土边框柱、钢管混凝土边框梁及钢管混凝土桁架肋一起,在墙板内形成钢管混凝土桁架受力体系,改变了墙体损伤破坏形态,能够有效提高墙体承载力以及延性。(3) The CFST frame columns, CFST frame beams and CFST truss ribs together form a CFST truss stress system in the wall panel, which changes the damage pattern of the wall and can effectively improve the bearing capacity and ductility of the wall.
(4)钢管混凝土边框梁柱形成墙体轻钢框架边框的设计,提高了墙板整体性,弥补了混凝土薄墙板构件边框位置处,在吊装、运输及施工过程中极易出现的磕角、碎裂影响混凝土薄墙板使用的问题,提高了装配式墙板质量。(4) The design of steel tube concrete frame beams and columns forming the light steel frame frame of the wall improves the integrity of the wall panels and makes up for the corners that are prone to occur during hoisting, transportation and construction at the position of the frame of the concrete thin wall panel components , Fragmentation affects the use of thin concrete wall panels, and improves the quality of fabricated wall panels.
(5)冲孔薄钢板在混凝土墙板中起到加筋的作用,但比配置钢筋施工简易,易于定位,具有整体性强、网孔均匀、亦于加工、成本低廉等特点,提高了墙板平面外刚度,提高了墙板抗震能力。(5) The perforated thin steel plate plays the role of reinforcement in the concrete wall panel, but it is easier to construct than the configuration steel bar, easy to locate, has the characteristics of strong integrity, uniform mesh, easy processing, and low cost, which improves the wall panel. The out-of-plane rigidity of the board improves the seismic capacity of the wall board.
(6)钢管混凝土与冲孔薄钢板形成墙板钢骨架的设计,增加了墙板抗弯、抗剪能力及平面外承载力,提高了墙板抗震性能,将本实用新型推广到农房结构中,面对量大面广的低多层农房改造,可以快速有效的提高农房的抗震性能。(6) The design of the steel skeleton of the wall panel formed by the steel tube concrete and the perforated thin steel plate increases the bending resistance, shear resistance and out-of-plane bearing capacity of the wall panel, improves the seismic performance of the wall panel, and extends the utility model to the structure of farm buildings In the face of large-scale and wide-area low-storey farm house renovation, the seismic performance of the farm house can be quickly and effectively improved.
(7)墙板混凝土层厚度较薄,自重轻,有利于运输及施工现场的装配。同时,钢管混凝土及墙板混凝土可采用绿色环保的再生混凝土,有利于促进国家可持续发展目标。(7) The thickness of the concrete layer of the wall panel is relatively thin, and the weight is light, which is conducive to transportation and assembly on the construction site. At the same time, green and environmentally friendly recycled concrete can be used for steel pipe concrete and wall panel concrete, which is conducive to promoting the country's sustainable development goals.
(8)传统抗震墙多为现浇构件,本实用新型的组合墙为装配式构件,工厂预制,墙板浇筑质量得到了保证,建筑现场直接安装,有效节约资源、降低能耗,同时极大缩短了施工时间。装配式的结构形式,可以快速有效的提高房屋的抗震性能,对实现住宅产业化、城镇化建设具有极大地促进作用,是一种新型组合结构农房技术的研发成果,对推动传统农房结构技术的改良具有重要作用。(8) Traditional anti-seismic walls are mostly cast-in-place components. The composite wall of the utility model is an assembled component, which is prefabricated in the factory, and the quality of wall panel pouring is guaranteed. It can be directly installed on the construction site, effectively saving resources, reducing energy consumption, and greatly Construction time is shortened. The prefabricated structural form can quickly and effectively improve the seismic performance of the house, which greatly promotes the realization of housing industrialization and urbanization. Improvements in technology play an important role.
附图说明:Description of drawings:
图1是装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙局部示意图;Fig. 1 is a partial schematic diagram of a prefabricated truss type light steel frame-perforated thin steel plate-concrete composite wall;
图2是装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙钢骨架局部示意图;Fig. 2 is a partial schematic diagram of the prefabricated truss type light steel frame-perforated thin steel plate-concrete composite wall steel skeleton;
图3是装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙装配效果图。Figure 3 is an assembly effect diagram of the assembled truss type light steel frame-perforated thin steel plate-concrete composite wall.
图中:1-钢管混凝土边框柱;2-钢管混凝土边框梁;3-冲孔薄钢板;4- 钢管混凝土桁架肋;5-混凝土;6-连接端板;7-连接螺栓。In the figure: 1-concrete-filled steel pipe frame column; 2-concrete-filled steel pipe frame beam; 3-punched thin steel plate; 4-concrete-filled steel pipe truss rib; 5-concrete; 6-connecting end plate; 7-connecting bolt.
具体实施方式:Detailed ways:
一种装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,包括钢管混凝土边框柱(1)、钢管混凝土边框梁(2)、冲孔薄钢板(3)、钢管混凝土桁架肋(4)、混凝土(5)、连接端板(6)和连接螺栓(7);所述的冲孔薄钢板(3) 是在板厚不超过5mm的钢板上经冲床通过模具冲压出孔的钢板,孔心距不小于50mm,冲孔面积不低于冲孔薄钢板(3)面积的1/2;在钢管混凝土边框柱 (1)的柱顶及柱脚位置分别焊接连接端板(6),连接端板(6)上预制螺栓孔;钢管混凝土边框柱(1)与钢管混凝土边框梁(2)焊接,形成组合墙轻钢框架边框,边框内部焊接冲孔薄钢板(3),随后在冲孔薄钢板两侧交叉布置钢管混凝土桁架肋(4),钢管混凝土桁架肋(4)两端与组合墙轻钢框架边框焊接固定,至此,形成组合墙钢骨架;支模浇筑墙板混凝土(5),养护后形成一种装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙;装配时,组合墙与外部结构通过连接螺栓(7)进行连接。A prefabricated truss-type light steel frame-perforated thin steel plate-concrete composite wall, including steel tube concrete frame columns (1), steel tube concrete frame beams (2), punched thin steel plates (3), steel tube concrete truss ribs (4 ), concrete (5), connecting end plates (6) and connecting bolts (7); the punched thin steel plate (3) is a steel plate that punches out holes through a punch through a die on a steel plate with a thickness of no more than 5mm, The hole center distance is not less than 50mm, and the punching area is not less than 1/2 of the area of the punched thin steel plate (3); the end plates (6) are respectively welded at the top and foot of the steel tube concrete frame column (1), Prefabricated bolt holes on the connecting end plate (6); the steel tube concrete frame column (1) is welded with the steel tube concrete frame beam (2) to form a light steel frame frame of the composite wall, and the punched thin steel plate (3) is welded inside the frame, and then punched Steel tube concrete truss ribs (4) are cross-arranged on both sides of the hole thin steel plate, and the two ends of the steel tube concrete truss ribs (4) are welded and fixed to the frame frame of the light steel frame of the composite wall. So far, the steel skeleton of the composite wall is formed; ), forming a prefabricated truss-type light steel frame-perforated thin steel plate-concrete composite wall after curing; during assembly, the composite wall and the external structure are connected by connecting bolts (7).
所述的装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,其特征在于:The assembled truss type light steel frame-punched thin steel plate-concrete composite wall is characterized in that:
所述的钢管混凝土边框柱(1)及钢管混凝土边框梁(2)采用方形或矩形钢管,钢管壁厚不大于8mm,钢管截面边长不小于50mm,管内填充混凝土。钢管混凝土具有较高的受剪承载力,钢管混凝土边框柱(1)及钢管混凝土边框梁(2)焊接,形成组合墙轻钢框架边框,显著增加了墙板的抗剪强度。The concrete-filled steel pipe frame column (1) and the concrete-filled steel pipe frame beam (2) adopt square or rectangular steel pipes, the wall thickness of the steel pipes is not greater than 8mm, the side length of the steel pipe section is not less than 50mm, and the pipes are filled with concrete. The steel tube concrete has a high shear bearing capacity, and the steel tube concrete frame column (1) and the steel tube concrete frame beam (2) are welded to form a light steel frame frame of the composite wall, which significantly increases the shear strength of the wall panel.
所述的冲孔薄钢板(3)是经冲床通过模具冲压出圆形孔、方形孔或矩形孔的钢板,冲孔薄钢板(3)布置在轻钢框架边框中部,同时浇筑在混凝土(5) 中部。冲孔薄钢板(3)定位后与墙板钢管混凝土边框焊接固定,浇筑在混凝土中起到加筋的作用,但又比配置钢筋施工更简易,具有整体性强、网孔均匀、亦于加工、成本低廉等特点,提高了墙板平面外刚度,提高了墙板抗震能力。The punched thin steel plate (3) is a steel plate with circular holes, square holes or rectangular holes punched out by a die through a punching machine. The punched thin steel plate (3) is arranged in the middle part of the light steel frame frame and poured on the concrete (5 ) middle. The perforated thin steel plate (3) is welded and fixed with the steel pipe concrete frame of the wall panel after positioning, and poured into the concrete to play the role of reinforcement, but it is easier to construct than the configuration of steel bars, with strong integrity, uniform mesh, and easy processing , low cost and other characteristics, improve the out-of-plane rigidity of the wallboard, and improve the seismic capacity of the wallboard.
所述的钢管混凝土桁架肋(4)采用方形或矩形钢管填充混凝土而成,钢管壁厚不大于5mm,冲孔薄钢板(3)两侧交叉布置的墙体钢管混凝土桁架肋 (4)与墙体轻钢框架边框一起,构成墙板桁架受力骨架;混凝土(5)浇筑时,钢管混凝土桁架肋(4)部分或全部浇筑在墙板内。钢管混凝土桁架肋(4) 的设置,增加了墙板抗弯、抗剪能力及平面外承载力,提高了墙板抗震水平。The concrete-filled steel pipe truss ribs (4) are made of square or rectangular steel pipes filled with concrete, and the wall thickness of the steel pipes is not greater than 5mm. The frame of the light steel frame of the body together constitutes the stressed skeleton of the wall panel truss; when the concrete (5) is poured, part or all of the steel tube concrete truss rib (4) is poured in the wall panel. The setting of the steel tube concrete truss rib (4) increases the bending resistance, shear resistance and out-of-plane bearing capacity of the wall panel, and improves the seismic level of the wall panel.
所述的混凝土(5)浇筑厚度40mm~100mm,混凝土强度等级为C30~C60;混凝土(5)为普通混凝土、不同再生粗骨料掺量的再生混凝土或高性能混凝土。再生混凝土为旧建筑拆除后的废弃混凝土块经过破碎、清洗、分级后,得到的混凝土骨料制备而成,采用再生混凝土,实现了废弃混凝土的资源化和减量化的处理原则,能起到保护环境和节约资源的作用,具有显著的社会效益,促进国家可持续发展。根据工程需要,可配置抗裂、抗腐蚀等性能的高性能混凝土。The pouring thickness of the concrete (5) is 40mm-100mm, and the concrete strength grade is C30-C60; the concrete (5) is ordinary concrete, recycled concrete or high-performance concrete with different recycled coarse aggregate content. Recycled concrete is prepared from the concrete aggregate obtained after crushing, cleaning and grading waste concrete blocks after demolition of old buildings. The use of recycled concrete realizes the principle of resource utilization and reduction of waste concrete, which can play a role The role of protecting the environment and saving resources has significant social benefits and promotes the sustainable development of the country. According to engineering needs, high-performance concrete with properties such as crack resistance and corrosion resistance can be configured.
所述的连接端板(6)采用的钢板厚度不小于6mm,连接端板上加工有对应连接螺栓(7)孔径的螺栓孔。连接端板(6)与钢管混凝土边框柱(1)焊接时,可焊接加劲肋加强连接。The thickness of the steel plate used for the connecting end plate (6) is not less than 6 mm, and the connecting end plate is processed with bolt holes corresponding to the apertures of the connecting bolts (7). When the connecting end plate (6) is welded to the steel pipe concrete frame column (1), the connection can be strengthened by welding stiffeners.
所述的连接螺栓(7)不小于M16,强度不小于8.8级,组合墙安装时,每个连接端板(6)上的连接螺栓(7)不少于4个。The connecting bolts (7) are not less than M16, and the strength is not less than grade 8.8. When the composite wall is installed, there are not less than four connecting bolts (7) on each connecting end plate (6).
发明中的装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙,结合附图 1~3阐明本实用新型制作方法如下:The assembled truss type light steel frame-perforated thin steel plate-concrete composite wall in the invention, combined with accompanying drawings 1 to 3, illustrates the manufacturing method of the utility model as follows:
第一步:在钢管内浇筑混凝土并养护,形成墙板的钢管混凝土边框柱、钢管混凝土边框梁及墙体钢管混凝土桁架肋;在连接端板上加工对应连接螺栓孔径的螺栓孔,然后将连接端板分别焊接在每个钢管混凝土边框柱柱顶及柱底;将钢管混凝土边框柱、钢管混凝土边框梁焊接,形成组合墙轻钢框架边框。Step 1: Concrete is poured into the steel pipe and cured to form the CFST frame column of the wall panel, the CFST frame beam and the CFST truss rib of the wall; bolt holes corresponding to the diameter of the connecting bolt are processed on the connecting end plate, and then the connecting The end plates are respectively welded to the top and bottom of each concrete-filled steel tube frame column; the steel tube concrete frame column and the steel tube concrete frame beam are welded to form a light steel frame frame for the composite wall.
第二步:在组合墙轻钢框架边框内,焊接冲孔薄钢板,然后在冲孔薄钢板两侧交叉布置钢管混凝土桁架肋,肋两端焊接固定在组合墙轻钢框架边框上,至此,形成组合墙钢骨架。Step 2: Weld the perforated thin steel plate within the light steel frame frame of the composite wall, and then arrange the steel pipe concrete truss ribs crosswise on both sides of the punched thin steel plate, and weld and fix the two ends of the ribs on the light steel frame frame of the composite wall. So far, Form the composite wall steel skeleton.
第三步:制作墙板浇筑模板,配置混凝土,浇筑墙板混凝土,养护后形成装配式桁架型轻钢框架-冲孔薄钢板-混凝土组合墙。组合墙装配时,与外部结构通过连接螺栓进行安装连接。Step 3: Make wall panel pouring formwork, configure concrete, pour wall panel concrete, and form an assembled truss-type light steel frame-perforated thin steel plate-concrete composite wall after curing. When the combination wall is assembled, it is installed and connected with the external structure through connecting bolts.
以上是本实用新型的一个典型的实施案例,但是本实用新型的实施不限于此。本实用新型中所列举的各结构尺寸及材料的选取均可根据实际需要选取,在此不再一一列举。The above is a typical implementation case of the utility model, but the implementation of the utility model is not limited thereto. The selection of various structural dimensions and materials listed in the utility model can be selected according to actual needs, and will not be listed one by one here.
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CN112609823A (en) * | 2020-12-03 | 2021-04-06 | 长安大学 | Steel frame structure internally filled with energy-consuming truss and installation method thereof |
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CN108277903B (en) * | 2018-03-19 | 2020-08-21 | 北京工业大学 | Assembled truss type light steel frame-punched thin steel plate-concrete combined wall |
CN112609823A (en) * | 2020-12-03 | 2021-04-06 | 长安大学 | Steel frame structure internally filled with energy-consuming truss and installation method thereof |
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