CN105908867A - Cold-formed thin-wall section steel composite sheet steel shear wall - Google Patents
Cold-formed thin-wall section steel composite sheet steel shear wall Download PDFInfo
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- CN105908867A CN105908867A CN201610256246.4A CN201610256246A CN105908867A CN 105908867 A CN105908867 A CN 105908867A CN 201610256246 A CN201610256246 A CN 201610256246A CN 105908867 A CN105908867 A CN 105908867A
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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
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
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Abstract
本发明公开了一种适用于高烈度地震区多层、小高层住宅体系的冷弯薄壁型钢复合钢皮剪力墙，该剪力墙由位于外层的双层双面墙板单元和位于内层的冷弯薄壁型钢骨架单元通过固定螺钉(1)固定连接构成；其中，该双层双面墙板单元每侧的底层为钢皮(2)，面层为纸面防火石膏板(3)；所述冷弯薄壁型钢骨架单元由钢边立柱(4)、钢中立柱(5)、钢上导轨(6)和钢下导轨(7)构成；本发明可实现预制化、标准化和装配化，所有构件均可在工厂按标准预制加工，然后在施工现场装配完成，结构自重轻，抗震性能较传统冷弯薄壁型钢组合墙有了较大幅度提高，适用于高烈度地震区多层、小高层住宅体系，具有广阔的应用前景。
The invention discloses a cold-formed thin-walled steel composite steel skin shear wall suitable for multi-storey and small high-rise residential systems in high-intensity earthquake areas. The cold-formed thin-walled steel skeleton unit of the inner layer is fixed and connected by fixing screws (1); wherein, the bottom layer on each side of the double-layer double-sided wallboard unit is a steel skin (2), and the surface layer is a paper-faced fireproof gypsum board ( 3); the cold-formed thin-walled steel skeleton unit is composed of steel side columns (4), steel center columns (5), steel upper rails (6) and steel lower rails (7); the present invention can realize prefabrication and standardization And assembly, all components can be prefabricated and processed in the factory according to the standard, and then assembled at the construction site, the structure is light in weight, and the seismic performance is greatly improved compared with the traditional cold-formed thin-walled steel composite wall, which is suitable for high-intensity earthquake areas Multi-storey, small high-rise residential system has broad application prospects.
Description
技术领域technical field
本发明属于土木工程技术领域，涉及一种适用于高烈度地震区多层、小高层冷弯薄壁型钢住宅体系的冷弯薄壁型钢复合钢皮剪力墙。The invention belongs to the technical field of civil engineering, and relates to a cold-formed thin-walled steel composite steel-skinned shear wall suitable for multi-storey and small high-rise cold-formed thin-walled steel residential systems in high-intensity earthquake areas.
背景技术Background technique
冷弯薄壁型钢组合房屋结构，包括由冷弯薄壁型钢立柱、导轨组成的冷弯薄壁型钢骨架和通过自攻螺钉固定于冷弯薄壁型钢骨架的墙板和屋盖。由于冷弯薄壁型钢结构体系标准化程度高、抗震性能好、绿色环保，采用冷弯薄壁型钢结构作为承重体系的建筑结构在北美、澳洲和日本得到了广泛应用，但主要用于三层以下的住宅类房屋。我国在2000年开始推广低层冷弯薄壁型钢住宅体系。The cold-formed thin-walled steel composite house structure includes a cold-formed thin-walled steel skeleton composed of cold-formed thin-walled steel columns and guide rails, and wall panels and roofs fixed to the cold-formed thin-walled steel skeleton by self-tapping screws. Due to the high degree of standardization of the cold-formed thin-walled steel structure system, good seismic performance, and environmental protection, building structures using cold-formed thin-walled steel structures as load-bearing systems have been widely used in North America, Australia, and Japan, but they are mainly used for below three floors residential houses. my country began to promote low-rise cold-formed thin-walled steel residential systems in 2000.
现有技术中的冷弯薄壁型钢住宅体系的承载能力小于一般的钢筋混凝土结构及普通钢结构，住宅的层数受到很大限制，仅能建造低层。我国大部分地区处于地震灾害较严重地区，现有技术中的冷弯薄壁型钢住宅体系在抗震方面本身还存在以下问题：(a)随着结构高度的增加，地震荷载的P-Δ效应将加剧，现有技术中的冷弯薄壁型钢住宅体系立柱与横梁铰接、立柱断开等特点将明显降低结构的侧向刚度和承载能力；(b)从延性角度考虑，现有技术中的冷弯薄壁型钢住宅体系的耗能能力低于框架结构和剪力墙结构；(c)从多道抗震设防角度考虑，现有技术中的冷弯薄壁型钢住宅体系只有一道抗震设防，一旦破坏后接踵而来的持续地震就会使建筑倒塌。The bearing capacity of the cold-formed thin-walled steel residential system in the prior art is smaller than that of ordinary reinforced concrete structures and ordinary steel structures, and the number of floors of the residential buildings is greatly limited, and only low-rise buildings can be built. Most areas in my country are located in areas with serious earthquake disasters. The cold-formed thin-walled steel residential system in the prior art still has the following problems in terms of earthquake resistance: (a) With the increase of the structure height, the P-Δ effect of the earthquake load will Intensified, the characteristics of the cold-formed thin-walled steel residential system in the prior art, such as the hinged column and the beam, and the disconnection of the column, will obviously reduce the lateral stiffness and bearing capacity of the structure; The energy dissipation capacity of the curved thin-walled steel residential system is lower than that of the frame structure and the shear wall structure; (c) from the perspective of multiple seismic fortifications, the cold-formed thin-walled steel residential system in the prior art has only one seismic fortification. Sustained earthquakes that follow will cause the building to collapse.
将现有技术中的低层冷弯薄壁型钢组合房屋结构通过改进应用到多层住宅结构体系符合我国人口众多、人均资源占有量少的国情，同时也符合我国工业化和城镇化快速发展的需要。Applying the low-rise cold-formed thin-walled steel composite housing structure in the prior art to the multi-storey residential structure system through improvement is in line with the national conditions of my country's large population and small resource per capita, and also meets the needs of the rapid development of my country's industrialization and urbanization.
本发明提出了一种适用于高烈度地震区多层、小高层住宅体系的冷弯薄壁型钢复合钢皮剪力墙，与现有技术中的低层冷弯薄壁型钢剪力墙相比，本发明提出的冷弯薄壁型钢复合钢皮剪力墙具有更高的抗剪承载力和更优的抗震性能，从而将现有技术中的低层冷弯薄壁型钢组合房屋体系拓展至包括高烈度地震区在内的多层、小高层住宅结构体系，具有十分广阔的应用前景。The present invention proposes a cold-formed thin-walled steel composite steel-skinned shear wall suitable for multi-storey and small high-rise residential systems in high-intensity earthquake areas. Compared with the low-rise cold-formed thin-walled steel shear wall in the prior art, The cold-formed thin-walled steel composite steel-skinned shear wall proposed by the present invention has higher shear bearing capacity and better seismic performance, thereby expanding the low-rise cold-formed thin-walled steel composite building system in the prior art to include high-rise buildings. The multi-storey and small high-rise residential structure system in the earthquake zone with high intensity has a very broad application prospect.
发明内容Contents of the invention
技术问题：本发明目的在于提出一种适用于高烈度地震区多层、小高层住宅体系的冷弯薄壁型钢复合钢皮剪力墙，在增加较少用钢量的基础上，本发明提出的剪力墙的抗剪性能和承载能力都得到了较大复幅度的提高。Technical problem: The purpose of the present invention is to propose a cold-formed thin-walled steel composite steel-skinned shear wall suitable for multi-storey and small high-rise residential systems in high-intensity earthquake areas. On the basis of increasing less steel consumption, the present invention proposes The shear performance and bearing capacity of the shear wall have been greatly improved.
技术方案：为了实现上述目的，本发明采用的一种冷弯薄壁型钢复合钢皮剪力墙，由位于外层的双层双面墙板单元和位于内层的冷弯薄壁型钢骨架单元通过固定螺钉固定连接构成；其中，该双层双面墙板单元每侧的底层为钢皮，面层为纸面防火石膏板；所述冷弯薄壁型钢骨架单元由钢边立柱、钢中立柱、钢上导轨和钢下导轨构成，钢边立柱位于该剪力墙的竖向的两边，钢中立柱位于两根钢边立柱之间，钢上导轨位于钢边立柱、钢中立柱的上部，钢下导轨位于钢边立柱、钢中立柱的下部；钢边立柱、钢中立柱与钢上导轨、钢下导轨通过连接螺钉进行连接；冷弯薄壁型钢骨架单元的四角部分别设置抗拔件，将钢边立柱、与钢上导轨、钢下导轨固定连接在一起。Technical solution: In order to achieve the above purpose, a cold-formed thin-walled steel composite steel-skinned shear wall adopted in the present invention consists of a double-layer double-sided wall panel unit located on the outer layer and a cold-formed thin-walled steel skeleton unit located on the inner layer It is fixed and connected by fixing screws; wherein, the bottom layer on each side of the double-layer double-sided wallboard unit is steel skin, and the surface layer is paper-faced fireproof gypsum board; the cold-formed thin-walled steel skeleton unit is composed of steel edge columns, steel middle Composed of columns, steel upper guide rails and steel lower guide rails, the steel side columns are located on the vertical sides of the shear wall, the steel center column is located between the two steel side columns, and the steel upper guide rail is located on the upper part of the steel side columns and the steel center column , the steel lower guide rail is located at the lower part of the steel side column and the steel center column; the steel side column, the steel center column and the steel upper guide rail and the steel lower guide rail are connected by connecting screws; The steel side column, the steel upper guide rail and the steel lower guide rail are fixedly connected together.
其中：in:
所述双层双面墙板单元与冷弯薄壁型钢骨架单元通过固定螺钉固定连接构成。The double-layer double-sided wall panel unit and the cold-formed thin-walled steel skeleton unit are fixedly connected by fixing screws.
所述固定螺钉为4832型沉头自攻自钻螺钉，固定螺钉在边立柱错开布置。The fixing screws are 4832 type countersunk head self-tapping self-drilling screws, and the fixing screws are arranged in a staggered manner on the side columns.
所述双层双面墙板单元的底层为钢皮，厚度为0.8-1.0mm。The bottom layer of the double-layer double-sided wall panel unit is steel skin with a thickness of 0.8-1.0mm.
所述双层双面墙板单元的面层为纸面防火石膏板，厚度为8-15mm。The surface layer of the double-layer double-sided wallboard unit is a paper-faced fireproof gypsum board with a thickness of 8-15mm.
所述钢边立柱选用双拼背靠背C型冷弯薄壁型钢，所述钢中立柱选用单根C型冷弯薄壁型钢，立柱间距通常为600mm或400mm。The steel side column is made of double back-to-back C-shaped cold-formed thin-walled steel, and the steel center column is selected from a single C-shaped cold-formed thin-walled steel, and the distance between the columns is usually 600mm or 400mm.
所述钢上导轨和钢下导轨选用U型冷弯薄壁型钢。The steel upper guide rail and the steel lower guide rail are made of U-shaped cold-formed thin-walled steel.
所述连接螺钉为4819型盘头自攻自钻螺钉。The connecting screw is a 4819 type pan head self-tapping self-drilling screw.
有益效果：与现有技术相比，本发明的优点是：Beneficial effect: compared with prior art, the advantage of the present invention is:
(a)本发明在传统低层冷弯薄壁型钢房屋结构的基础上，提出一种冷弯薄壁型钢复合钢皮剪力墙，所述墙板单位底层钢皮的使用使组合墙体具有更高的抗剪承载力和更优的抗震性能，从而将现有技术中的低层冷弯薄壁型钢组合房屋体系拓展至高烈度地震区多层、小高层住宅体系。(a) The present invention proposes a cold-formed thin-walled steel composite steel-skinned shear wall on the basis of the traditional low-rise cold-formed thin-walled steel-skinned building structure. The use of the bottom steel skin of the wallboard unit makes the composite wall more High shear bearing capacity and better seismic performance, thereby extending the low-rise cold-formed thin-walled steel composite housing system in the prior art to multi-storey and small high-rise residential systems in high-intensity earthquake areas.
(b)所述墙板单元面层纸面防火石膏板具有优异的耐火性能，纸面防火石膏板面层延长了组合墙体的耐火极限。(b) The paper-faced fireproof gypsum board on the surface layer of the wallboard unit has excellent fire resistance, and the paper-faced fireproof gypsum board surface layer prolongs the fire resistance limit of the composite wall.
(c)所述墙板单元面层纸面防火石膏板表面有较好的着色性，可锯、可钉、可粘，装修极其方便。(c) The paper-faced fireproof gypsum board of the surface layer of the wallboard unit has good coloring properties, can be sawed, nailed, and glued, and is extremely convenient for decoration.
(d)所述墙板单元均可在工厂实现标准化预制，所述剪力墙施工工序简单、便捷、效率高，可极大的提高施工速度，从而有效降低建筑成本。(d) The wall panel units can be standardized and prefabricated in the factory. The construction process of the shear wall is simple, convenient and efficient, which can greatly increase the construction speed and effectively reduce the construction cost.
附图说明Description of drawings
图1为本发明剪力墙三维示意图；Fig. 1 is a three-dimensional schematic diagram of a shear wall of the present invention;
图2为本发明剪力墙的横截面构造图；Fig. 2 is the cross-sectional structural drawing of shear wall of the present invention;
图3为本发明剪力墙的冷弯薄壁型钢骨架示意图；Fig. 3 is the schematic diagram of the cold-formed thin-walled steel skeleton of the shear wall of the present invention;
图4为本发明剪力墙的安装三维示意图；Fig. 4 is the installation three-dimensional schematic diagram of shear wall of the present invention;
图5为本发明剪力墙的抗拔件三维示意图；Fig. 5 is the three-dimensional schematic diagram of the pullout member of the shear wall of the present invention;
图6为本发明剪力墙的冷弯薄壁型钢中立柱示意图；Fig. 6 is the schematic diagram of the column in the cold-formed thin-walled section steel of the shear wall of the present invention;
图7为本发明剪力墙的冷弯薄壁型钢边立柱示意图；Fig. 7 is the schematic diagram of the cold-formed thin-walled steel edge column of the shear wall of the present invention;
图8为本发明剪力墙的冷弯薄壁型钢导轨示意图；Fig. 8 is the schematic diagram of the cold-formed thin-walled steel guide rail of the shear wall of the present invention;
图9位本发明剪力墙的自攻螺钉在边立柱布置方式示意图。Fig. 9 is a schematic diagram of the arrangement of the self-tapping screws of the shear wall of the present invention on the side columns.
以上图中包括：固定螺钉1；底层钢皮2；纸面防火石膏板3；钢边立柱4；钢中立柱5；钢上导轨6；钢下导轨7；连接螺钉8；抗拔件9。The above figure includes: fixing screw 1; bottom steel skin 2; paper fireproof gypsum board 3; steel side column 4; steel center column 5; steel upper guide rail 6; steel lower guide rail 7; connecting screw 8;
具体实施方式detailed description
一种冷弯薄壁型钢复合钢皮剪力墙，由复合钢皮墙板单元、冷弯薄壁型钢骨架单元通过自攻螺钉连接固定构成。每侧墙板单元底层为钢皮，面层为纸面防火石膏板。所述冷弯薄壁型钢骨架单元由冷弯薄壁型钢立柱、冷弯薄壁型钢导轨通过自攻螺钉连接构成。冷弯薄壁型钢骨架单元的四角部设有抗拔件将边立柱和顶导轨、底导轨固定连接在一起。墙板单元与冷弯薄壁型钢骨架单元通过自攻螺钉连接实现组合墙体的装配拼接。A cold-formed thin-walled steel composite steel-skin shear wall is composed of a composite steel-skinned wall panel unit and a cold-formed thin-walled steel skeleton unit connected and fixed by self-tapping screws. The bottom layer of each side wall panel unit is steel skin, and the surface layer is paper-faced fireproof gypsum board. The cold-formed thin-walled steel skeleton unit is composed of cold-formed thin-walled steel columns and cold-formed thin-walled steel guide rails connected by self-tapping screws. The four corners of the cold-formed thin-walled steel skeleton unit are provided with anti-pull pieces to connect the side columns with the top guide rail and the bottom guide rail. The wall panel unit and the cold-formed thin-walled steel skeleton unit are connected by self-tapping screws to realize the assembly and splicing of the composite wall.
所述两侧墙板单元与中间冷弯薄壁型钢骨架单元通过自攻螺钉固定连接构成，自攻螺钉通常为4832型沉头自攻自钻螺，自攻螺钉在边立柱错开布置，自攻螺钉间距在墙板边缘宜为50mm，在墙板内部宜为300mmThe wall panel units on both sides and the middle cold-formed thin-walled steel skeleton unit are fixedly connected by self-tapping screws. The self-tapping screws are usually 4832 countersunk head self-tapping self-drilling screws. The screw spacing should be 50mm at the edge of the wallboard and 300mm inside the wallboard
所述墙板单元面层为纸面防火石膏板，其尺寸宜为1200mm×3000mm(宽×高)，厚度宜为8-15mm。The surface layer of the wallboard unit is paper-faced fireproof gypsum board, its size should be 1200mm×3000mm (width×height), and its thickness should be 8-15mm.
所述墙板单位底层为钢皮，其长度及宽度与面层纸面防火石膏板一致，宜为1200mm×3000mm(宽×高)，厚度为0.8-1.0mm。The bottom layer of the wallboard unit is steel skin, the length and width of which are consistent with the surface layer of fireproof gypsum board, preferably 1200mm×3000mm (width×height), and the thickness is 0.8-1.0mm.
所述冷弯薄壁型钢边立柱根据荷载作用情况选用双拼背靠背C型冷弯薄壁型钢，所述冷弯薄壁型钢中立柱根据荷载作用情况选用单根C型冷弯薄壁型钢，立柱间距为600mm或400mm，立柱翼缘位置与墙板单元通过自攻螺钉相连接。The cold-formed thin-walled steel side column selects a double back-to-back C-type cold-formed thin-walled steel according to the load action, and the cold-formed thin-walled steel center column selects a single C-shaped cold-formed thin-walled steel according to the load action. The spacing is 600mm or 400mm, and the position of the column flange and the wall panel unit are connected by self-tapping screws.
所述冷弯薄壁型钢上导轨和冷弯薄壁型钢下导轨根据荷载作用情况选用U型冷弯薄壁型钢。The cold-formed thin-walled steel upper guide rail and the cold-formed thin-walled steel lower guide rail are selected from U-shaped cold-formed thin-walled steel according to the load action.
所述冷弯薄壁型钢立柱与冷弯薄壁型钢导轨通过自攻螺钉连接，自攻螺钉通常为4819型盘头自攻自钻螺钉。The cold-formed thin-walled steel column and the cold-formed thin-walled steel guide rail are connected by self-tapping screws, and the self-tapping screws are usually 4819 type pan head self-tapping self-drilling screws.
所述抗拔件由钢板焊接而成，抗拔件的立板钢板厚度不宜小于3mm，底板钢板、垫片厚度不宜小于6mm，与立柱连接的螺钉根据荷载作用计算确定，且不宜少于6个。The pull-out parts are welded by steel plates. The thickness of the vertical plate steel plates of the pull-out parts should not be less than 3mm, and the thickness of the bottom plate steel plates and gaskets should not be less than 6mm. .
本发明冷弯薄壁型钢复合钢皮剪力墙的施工过程，首先是冷弯薄壁型骨架单元的装配拼接，如图3所示。冷弯薄壁型钢立柱间距优先选用600mm，也可选为400mm。冷弯薄壁型钢边立柱根据荷载作用情况选用双拼背靠背C型冷弯薄壁型钢，冷弯薄壁型钢中立柱根据荷载作用情况选用单根C型冷弯薄壁型钢，如图6所示。冷弯薄壁型钢上导轨和冷弯薄壁型钢下导轨根据荷载作用情况选用U型冷弯薄壁型钢，如图8所示。冷弯薄壁型钢立柱与冷弯薄壁型钢导轨通过连接螺钉连接，如图3所示。冷弯薄壁型钢骨架单元的四角部分别设置抗拔件将边立柱和顶导轨、底导轨连接在一起，如图3所示，抗拔件示意图如图5所示。The construction process of the cold-formed thin-walled steel composite steel-skinned shear wall of the present invention starts with the assembly and splicing of the cold-formed thin-walled frame units, as shown in FIG. 3 . The spacing between columns of cold-formed thin-walled steel columns is preferably 600mm, or 400mm. The cold-formed thin-walled steel side column is selected according to the load action, and the double back-to-back C-type cold-formed thin-walled steel is selected. The cold-formed thin-walled steel center column is selected according to the load. A single C-type cold-formed thin-walled steel is selected, as shown in Figure 6 . The upper guide rail of cold-formed thin-walled steel and the lower guide rail of cold-formed thin-walled steel select U-shaped cold-formed thin-walled steel according to the load action, as shown in Figure 8. The cold-formed thin-walled steel column and the cold-formed thin-walled steel guide rail are connected by connecting screws, as shown in Figure 3. The four corners of the cold-formed thin-walled steel skeleton unit are respectively provided with pullout pieces to connect the side columns with the top rail and bottom rail, as shown in Figure 3, and the schematic diagram of the pullout pieces is shown in Figure 5.
然后是在冷弯薄壁型钢骨架单元两侧装配双层墙板单元。双层墙板单元自重较轻，可人工搬运至安装完毕后的冷弯薄壁型钢骨架单元一侧，利用水平尺、铅锤等工具定位后，通过固定螺钉将双层墙板单元与冷弯薄壁型钢骨架单元进行拼接，自攻螺钉通常在边立柱错开布置，如图9所示。拼接过程中，先用少量自攻螺钉将双层墙板单元与安装完毕后的冷弯薄壁型钢骨架单元的四角部进行固定连接。双层墙板单元装配过程如图4所示。Then, double-layer wall panel units are assembled on both sides of the cold-formed thin-walled steel skeleton unit. The double-layer wall panel unit is light in weight and can be manually transported to the side of the cold-formed thin-walled steel frame unit after installation. The thin-walled steel skeleton units are spliced, and the self-tapping screws are usually staggered on the side columns, as shown in Figure 9. During the splicing process, first use a small amount of self-tapping screws to fix the double-layer wall panel unit with the four corners of the cold-formed thin-walled steel frame unit after installation. The assembly process of the double wall panel unit is shown in Figure 4.
依此顺序可完成冷弯薄壁型钢复合钢皮剪力墙的施工过程，组装完成后的冷弯薄壁型钢复合钢皮剪力墙如图1所示。According to this sequence, the construction process of the cold-formed thin-walled steel composite steel-skinned shear wall can be completed. The assembled cold-formed thin-walled steel composite steel-skinned shear wall is shown in Figure 1.
综上所述，尽管本发明的基本结构、原理、方法通过上述事实例予以具体阐述，在不脱离本发明要旨的前提下，根据以上所述的启示，本领域普通技术人员可以不需要付出创造性劳动即可实施变换形式或者组合，此处不再赘述。In summary, although the basic structure, principles, and methods of the present invention are described in detail through the above-mentioned examples, without departing from the gist of the present invention, according to the above-mentioned enlightenment, those of ordinary skill in the art may not need to pay creative efforts. Labor can implement transformation form or combination, no longer repeat them here.
以上所述仅是本发明的优选实施方式，应当指出：对于本技术领域的技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.
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| CN107190884A (en) * | 2017-06-09 | 2017-09-22 | 东南大学 | A kind of new many high-rise hot-rolled steel section composite light-weight steel shear wall combined structure systems |
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| CN107503447A (en) * | 2017-07-28 | 2017-12-22 | 云南建投钢结构股份有限公司 | For assembling the assembled series component of steel building wall |
| CN108104264A (en) * | 2017-12-18 | 2018-06-01 | 长安大学 | A kind of concrete frame-light gauge cold-formed steel shape mixed structure housing building system |
| CN108166612A (en) * | 2018-01-24 | 2018-06-15 | 长安大学 | A kind of multilayer light gauge cold-formed steel shape-concrete composite structure building construction system |
| CN108331207A (en) * | 2018-05-10 | 2018-07-27 | 东北林业大学 | A kind of novel light gauge cold-formed steel shape-paper compressed straw slab assembled wall |
| CN108867995A (en) * | 2018-08-30 | 2018-11-23 | 河北建筑工程学院 | A kind of fabricated modular wall plate unit and construction method |
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| CN110284625A (en) * | 2019-07-25 | 2019-09-27 | 华新顿现代钢结构制造有限公司 | A kind of light steel shear wall and its connection structure with floor gap and basis |
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