CN108678220A - A kind of concrete shear force wall of steel bar template integrative installation technology - Google Patents
A kind of concrete shear force wall of steel bar template integrative installation technology Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及结构工程中的混凝土结构技术领域,具体来说,涉及一种钢筋模板一体化安装的混凝土剪力墙。The invention relates to the technical field of concrete structures in structural engineering, in particular to a concrete shear wall with integrally installed steel formwork.
背景技术Background technique
在我国,混凝土建筑在主体结构施工方面一般采用现浇施工工艺。这种工艺的优点是结构整体性能好,抗震性能优良。但其需要在施工现场完成大量的钢筋加工、绑扎和模板安装等工序,这些工序不仅严重制约施工进度,而且随着人工费用的增长,整个项目的建设成本也会增加。近些年,我国建筑工业化发展迅速,混凝土结构出现不少新体系,进入到“装配式”阶段。目前其主要结构体系有:装配式框架结构、装配式剪力墙结构和装配式框架-现浇剪力墙结构等。鉴于我国住宅普遍采用混凝土剪力墙结构,现阶段主要集中于剪力墙结构建筑工业化的研究和应用。在这方面,投入实践的技术体系有装配整体式剪力墙结构、叠合式剪力墙结构、预制圆孔板剪力墙结构等。In our country, concrete buildings generally use cast-in-place construction technology in the construction of the main structure. The advantage of this process is that the overall performance of the structure is good, and the anti-seismic performance is excellent. However, it needs to complete a large number of processes such as steel bar processing, binding and formwork installation on the construction site. These processes not only seriously restrict the construction progress, but also increase the construction cost of the entire project with the increase of labor costs. In recent years, my country's construction industrialization has developed rapidly, and many new systems of concrete structures have emerged, entering the "fabricated" stage. At present, its main structural systems are: prefabricated frame structure, prefabricated shear wall structure and prefabricated frame-cast-in-place shear wall structure, etc. In view of the widespread use of concrete shear wall structures in residential buildings in our country, the current stage mainly focuses on the research and application of the industrialization of shear wall structures. In this regard, the technical systems that have been put into practice include assembled integral shear wall structures, laminated shear wall structures, and prefabricated round-hole plate shear wall structures.
上述混凝土结构体系的出现在一定程度上推进了建筑工业化进程,但仍然存在较多不足之处,有待于完善。例如,对于装配整体式剪力墙结构,其技术特点是以预制混凝土剪力墙和现浇混凝土剪力墙作为结构的竖向承重和水平抗侧力构件,预制混凝土剪力墙在竖向通过套筒灌浆连接或浆锚搭接连接。一方面,这种体系存在较多的现浇与预制并举,工序没有减少,反而增加,工期和成本方面没有优势;另一方面,其抗震性能尚无法做到与现浇结构等同。对于叠合式剪力墙结构,其特点是剪力墙沿厚度方向分为三层,内、外两层预制,中间层后浇。虽然这种体系施工快捷,但是配置在内、外层预制墙板与相邻层的墙板不连接(包括墙板内的分布钢筋也上下不连接)。这样,在水平缝处其平面内受剪和平面外受弯的有效墙厚大幅减少。因此,叠合式剪力墙的承载力弱于同厚度现浇剪力墙或其他形式的装配整体式剪力墙。对于预制圆孔板剪力墙结构,其特点是在剪力墙内设置竖向圆柱孔,安装完成后在圆柱孔内浇筑混凝土。虽然这种体系施工方便,但也存在类似叠合式剪力墙结构的不足之处。因此,开发施工效率高且能提高结构抗震性能的新型工业化剪力墙体系具有重要的工程意义。The emergence of the above-mentioned concrete structure system has promoted the process of building industrialization to a certain extent, but there are still many deficiencies that need to be improved. For example, for the assembled integral shear wall structure, its technical feature is to use the precast concrete shear wall and cast-in-place concrete shear wall as the vertical load-bearing and horizontal lateral force members of the structure. Sleeve grout connection or grout anchor lap connection. On the one hand, this kind of system has more cast-in-place and prefabrication simultaneously, the process has not been reduced, but increased, and there is no advantage in terms of construction period and cost; on the other hand, its seismic performance cannot be equal to that of cast-in-place structures. For the laminated shear wall structure, its characteristic is that the shear wall is divided into three layers along the thickness direction, the inner and outer layers are prefabricated, and the middle layer is post-cast. Although the construction of this system is fast, the prefabricated wall panels of the inner and outer layers are not connected to the wall panels of the adjacent layers (including the distributed steel bars in the wall panels are not connected up and down). In this way, the effective wall thickness for in-plane shear and out-of-plane bending at horizontal joints is greatly reduced. Therefore, the bearing capacity of composite shear walls is weaker than that of cast-in-place shear walls of the same thickness or other forms of assembled integral shear walls. For the prefabricated circular hole plate shear wall structure, it is characterized in that a vertical cylindrical hole is set in the shear wall, and concrete is poured in the cylindrical hole after the installation is completed. Although this system is convenient for construction, it also has disadvantages similar to the laminated shear wall structure. Therefore, it is of great engineering significance to develop a new type of industrialized shear wall system that has high construction efficiency and can improve the seismic performance of the structure.
发明内容Contents of the invention
针对相关技术中的上述技术问题,本发明提出一种钢筋模板一体化安装的混凝土剪力墙,能够克服现有技术的上述不足。Aiming at the above-mentioned technical problems in the related art, the present invention proposes a concrete shear wall with integrally installed steel formwork, which can overcome the above-mentioned deficiencies in the prior art.
为实现上述技术目的,本发明的技术方案是这样实现的:For realizing above-mentioned technical purpose, technical scheme of the present invention is realized like this:
一种钢筋模板一体化安装的混凝土剪力墙,包括上层钢筋模板一体化构件、下层钢筋模板一体化构件,上层钢筋模板一体化构件与上层钢筋模板一体化边缘构件沿水平方向对接,上层钢筋模板一体化构件与上层钢筋模板一体化边缘构件对接处设有上层竖向拼接缝,上层钢筋模板一体化构件与上层钢筋模板一体化边缘构件形成的空腔内部设有上层混凝土墙体;A concrete shear wall with integrated reinforcement formwork, comprising an upper-layer reinforcement-formwork integrated component, a lower-layer reinforcement-formwork integration component, an upper-layer reinforcement-formwork integration component and an upper-layer reinforcement-formwork integration edge component butt joint along the horizontal direction, and an upper-layer reinforcement-formwork integration component An upper layer vertical seam is provided at the junction of the integrated member and the upper layer reinforced formwork integrated edge member, and an upper layer concrete wall is arranged inside the cavity formed by the upper layer reinforced formwork integrated member and the upper layer reinforced formwork integrated edge member;
下层钢筋模板一体化构件与下层钢筋模板一体化边缘构件沿水平方向对接,下层钢筋模板一体化构件与下层钢筋模板一体化边缘构件对接处设有下层竖向拼接缝,下层钢筋模板一体化构件与下层钢筋模板一体化边缘构件形成的空腔内部设有下层混凝土墙体;The lower reinforced formwork integrated member and the lower reinforced reinforced formwork integrated edge member are docked along the horizontal direction, and the lower layer vertical splicing joint is provided at the joint of the lower reinforced reinforced formwork integrated member and the lower reinforced reinforced formwork integrated edge member, and the lower reinforced reinforced formwork integrated member The cavity formed by the edge member integrated with the lower steel formwork is provided with a lower concrete wall;
上层钢筋模板一体化构件、上层钢筋模板一体化边缘构件与下层混凝土墙体沿竖直方向对接,上层钢筋模板一体化构件、上层钢筋模板一体化边缘构件与下层混凝土墙体对接处设有水平向拼接缝;下层混凝土墙体位于水平向拼接缝下方。The upper reinforced formwork integrated member, the upper reinforced reinforced formwork integrated edge member and the lower concrete wall are vertically connected, and the upper reinforced reinforced formwork integrated member, the upper reinforced reinforced formwork integrated edge member and the lower concrete wall are provided with horizontal joints. Joints; the lower concrete walls are located below the horizontal joints.
进一步的,上层钢筋模板一体化构件包括墙体低位竖向钢筋、墙体高位竖向钢筋、墙体水平钢筋,墙体低位竖向钢筋和墙体高位竖向钢筋在水平方向相间分布,墙体高位竖向钢筋、墙体水平钢筋通过绑扎或焊接方式与墙体水平钢筋连接,上层钢筋模板一体化构件前后两侧的墙体低位竖向钢筋、墙体高位竖向钢筋、墙体水平钢筋之间通过对拉连接件、腹杆钢筋连接形成钢筋骨架,钢筋骨架通过对拉连接件、腹杆钢筋与永久模板连接;Further, the integrated member of the upper reinforcement formwork includes the low vertical reinforcement of the wall, the high vertical reinforcement of the wall, and the horizontal reinforcement of the wall. The low vertical reinforcement of the wall and the high vertical reinforcement of the wall are distributed alternately in the horizontal direction. The high vertical steel bar and the horizontal steel bar of the wall are connected with the horizontal steel bar of the wall by binding or welding. The reinforcement skeleton is formed by connecting the tension connectors and the web reinforcement, and the reinforcement skeleton is connected with the permanent formwork through the tension connectors and the web reinforcement;
所述下层钢筋模板一体化构件与上层钢筋模板一体化构件的构造相同,下层钢筋模板一体化构件的墙体低位竖向钢筋、墙体高位竖向钢筋与上层钢筋模板一体化构件的墙体低位竖向钢筋、墙体高位竖向钢筋在水平方向错开分布;The structure of the integrated member of the lower reinforced formwork is the same as that of the integrated member of the upper reinforced formwork. Vertical steel bars and high-level vertical steel bars in the wall are staggered in the horizontal direction;
所述上层钢筋模板一体化边缘构件包括边缘构件低位竖向钢筋、边缘构件高位竖向钢筋、边缘构件水平钢筋,边缘构件低位竖向钢筋和边缘构件高位竖向钢筋在水平方向相间分布,边缘构件低位竖向钢筋、边缘构件高位竖向钢筋通过绑扎或焊接方式与边缘构件水平钢筋连接,上层钢筋模板一体化边缘构件前后两侧的边缘构件低位竖向钢筋、边缘构件高位竖向钢筋、边缘构件水平钢筋之间通过对拉连接件、腹杆钢筋连接形成钢筋骨架,钢筋骨架通过对拉连接件、腹杆钢筋与边缘构件永久模板连接,边缘构件永久模板与永久端部模板连接;The integrated edge components of the upper reinforcement formwork include low vertical reinforcement bars of the edge components, high vertical reinforcement bars of the edge components, and horizontal reinforcement bars of the edge components. The low vertical reinforcement bars of the edge components and the high vertical reinforcement bars of the edge components are distributed alternately in the horizontal direction. The low vertical reinforcement and the high vertical reinforcement of the edge member are connected with the horizontal reinforcement of the edge member by binding or welding, and the upper reinforcement formwork is integrated. Horizontal steel bars are connected by tension connectors and web bars to form a reinforcement skeleton, and the reinforcement skeleton is connected with the permanent formwork of the edge members through the tension connectors and web reinforcement, and the permanent formwork of the edge members is connected with the permanent end formwork;
所述下层钢筋模板一体化边缘构件与上层钢筋模板一体化边缘构件的构造相同,下层钢筋模板一体化边缘构件的边缘构件低位竖向钢筋、边缘构件高位竖向钢筋与上层钢筋模板一体化边缘构件的边缘构件低位竖向钢筋、边缘构件高位竖向钢筋在水平方向错开分布。The structure of the integrated edge member of the lower reinforcement formwork is the same as that of the upper reinforcement formwork integration edge member. The low-position vertical reinforcement of the edge member and the high-position vertical reinforcement of the edge member are staggered in the horizontal direction.
进一步的,墙体低位竖向钢筋、墙体高位竖向钢筋、边缘构件低位竖向钢筋、边缘构件高位竖向钢筋之间的剪力墙竖向钢筋连接接头采用搭接方式,相邻的两个剪力墙竖向钢筋连接接头在竖直方向上错开分布;墙体水平钢筋、边缘构件水平钢筋之间的剪力墙水平钢筋连接接头采用搭接方式,位于同一水平面的两个剪力墙水平钢筋连接接头不错开。Further, the vertical reinforcement joints of the shear wall between the low vertical reinforcement of the wall, the high vertical reinforcement of the wall, the low vertical reinforcement of the edge member, and the high vertical reinforcement of the edge member adopt the lap joint method, and the adjacent two The vertical reinforcement connection joints of each shear wall are staggered in the vertical direction; the horizontal reinforcement connection joints of the shear wall between the horizontal reinforcement of the wall and the horizontal reinforcement of the edge members adopt the lap joint method, and the two shear walls located on the same horizontal plane Horizontal rebar connection joints do not scatter.
进一步的,所述腹杆钢筋在竖直方向呈连续S型分布。Further, the web steel bars are distributed in a continuous S-shape in the vertical direction.
进一步的,所述墙体低位竖向钢筋和墙体高位竖向钢筋的长度相等且均大于永久模板的高度;墙体水平钢筋的长度大于永久模板的宽度。Further, the lengths of the low vertical steel bars of the wall and the high vertical steel bars of the wall are equal and greater than the height of the permanent formwork; the length of the horizontal steel bars of the wall is greater than the width of the permanent formwork.
进一步的,所述边缘构件低位竖向钢筋和边缘构件高位竖向钢筋的长度相等且均大于边缘构件永久模板的高度;边缘构件水平钢筋的长度大于边缘构件永久模板的宽度,边缘构件水平钢筋有水平弯折段。Further, the lengths of the low-position vertical reinforcement of the edge member and the high-position vertical reinforcement of the edge member are equal and are greater than the height of the permanent formwork of the edge member; the length of the horizontal reinforcement of the edge member is greater than the width of the permanent formwork of the edge member, and the horizontal reinforcement of the edge member has Horizontal bend segment.
进一步的,所述上层钢筋模板一体化构件、上层钢筋模板一体化边缘构件、下层钢筋模板一体化构件和下层钢筋模板一体化边缘构件采用工厂预制、现场安装方式制成;所述上层混凝土墙体和下层混凝土墙体采用现场分次浇筑制成。Further, the upper reinforced formwork integrated component, the upper reinforced reinforced formwork integrated edge component, the lower reinforced reinforced formwork integrated component and the lower reinforced reinforced formwork integrated edge component are manufactured by factory prefabrication and on-site installation; the upper concrete wall and the lower concrete wall are made by staged pouring on site.
本发明的有益效果:1、剪力墙的钢筋和模板形成一体化构件进行整体安装,且模板无需拆除,可大幅度提高施工工效;2、剪力墙竖向钢筋采用搭接连接,且接头错开布置,其抗震性能等同于现浇结构;3、墙体成型质量优良,外观达到清水混凝土效果,可免除后期抹灰;4、构造简单,便于设计、加工和安装。Beneficial effects of the present invention: 1. The steel bars and formwork of the shear wall form an integrated component for overall installation, and the formwork does not need to be removed, which can greatly improve the construction efficiency; 2. The vertical reinforcement of the shear wall is connected by lap joints, and the joints Staggered layout, its seismic performance is equivalent to that of cast-in-place structures; 3. The wall molding quality is excellent, and the appearance achieves the effect of fair-faced concrete, which can avoid post-plastering; 4. The structure is simple, easy to design, process and install.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.
图1是本发明实施例所述一种钢筋模板一体化安装的混凝土剪力墙的示意图;Fig. 1 is the schematic diagram of the concrete shear wall of a kind of reinforced formwork integrated installation described in the embodiment of the present invention;
图2是图1所示的A-A剖视图;Fig. 2 is A-A sectional view shown in Fig. 1;
图3是图1所示的B-B剖视图;Fig. 3 is the B-B sectional view shown in Fig. 1;
图4是图1所示的C-C剖视图;Fig. 4 is a C-C sectional view shown in Fig. 1;
图5是图1所示的D-D剖视图;Fig. 5 is a D-D sectional view shown in Fig. 1;
图6是图1所示的上层钢筋模板一体化构件1的正立面示意图;Fig. 6 is a schematic diagram of the front elevation of the upper layer steel formwork integrated member 1 shown in Fig. 1;
图7是图1所示的上层钢筋模板一体化边缘构件2的正立面示意图;Fig. 7 is a schematic diagram of the front elevation of the integrated edge member 2 of the upper steel formwork shown in Fig. 1;
图8是图6所示的上层钢筋模板一体化构件1的平面示意图;Fig. 8 is a schematic plan view of the upper reinforcement formwork integrated member 1 shown in Fig. 6;
图9是图7所示的上层钢筋模板一体化边缘构件2的平面示意图;Fig. 9 is a schematic plan view of the integrated edge member 2 of the upper reinforcement formwork shown in Fig. 7;
图10是图8所示的E-E剖视图;Fig. 10 is the E-E sectional view shown in Fig. 8;
图11是图9所示的F-F剖视图。Fig. 11 is a sectional view taken along line F-F shown in Fig. 9 .
图中:1、上层钢筋模板一体化构件;1.1、永久模板;1.2、墙体低位竖向钢筋、1.3、墙体高位竖向钢筋、1.4、墙体水平钢筋;2、上层钢筋模板一体化边缘构件;2.1、边缘构件永久模板;2.2、边缘构件低位竖向钢筋;2.3、边缘构件高位竖向钢筋;2.4、边缘构件水平钢筋;2.5、永久端部模板;3、上层竖向拼接缝;4、下层钢筋模板一体化构件;5、下层钢筋模板一体化边缘构件;6、下层竖向拼接缝;7、水平向拼接缝;8、上层混凝土墙体;9、下层混凝土墙体;10、剪力墙竖向钢筋连接接头;11、剪力墙水平钢筋连接接头;12、对拉连接件;13、腹杆钢筋。In the figure: 1. The integrated component of the upper reinforcement formwork; 1.1, the permanent formwork; 1.2, the low vertical reinforcement of the wall, 1.3, the high vertical reinforcement of the wall, 1.4, the horizontal reinforcement of the wall; 2, the integrated edge of the upper reinforcement formwork 2.1, permanent formwork for edge members; 2.2, low vertical reinforcement for edge members; 2.3, high vertical reinforcement for edge members; 2.4, horizontal reinforcement for edge members; 2.5, permanent end formwork; 3, upper vertical joints; 4. The integrated member of the lower reinforcement formwork; 5. The edge member of the integration of the lower reinforcement formwork; 6. The vertical joint of the lower floor; 7. The horizontal joint; 8. The upper concrete wall; 9. The lower concrete wall; 10. Vertical reinforcement connection joints of shear walls; 11. Horizontal reinforcement connection joints of shear walls;
具体实施方式Detailed ways
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
如图1-11所示,根据本发明实施例所述的一种钢筋模板一体化安装的混凝土剪力墙,包括上层钢筋模板一体化构件1、下层钢筋模板一体化构件4,上层钢筋模板一体化构件1与上层钢筋模板一体化边缘构件2沿水平方向对接,对接处形成上层竖向拼接缝3,上层钢筋模板一体化构件1与上层钢筋模板一体化边缘构件2形成的空腔内部设有上层混凝土墙体8;下层钢筋模板一体化构件4与下层钢筋模板一体化边缘构件5沿水平方向对接,对接处形成下层竖向拼接缝6,下层钢筋模板一体化构件4与下层钢筋模板一体化边缘构件5形成的空腔内部设有下层混凝土墙体9;上层钢筋模板一体化构件1、上层钢筋模板一体化边缘构件2与下层混凝土墙体9沿竖直方向对接,对接处形成水平向拼接缝7;下层混凝土墙体9位于水平向拼接缝7下方。As shown in Figure 1-11, according to the embodiment of the present invention, a concrete shear wall with integrated steel bar formwork installation includes an upper layer steel bar formwork integrated component 1, a lower layer steel bar formwork integrated component 4, and an upper layer steel bar formwork integrated component The integrated member 1 and the upper-layer reinforced formwork integrated edge member 2 are butted in the horizontal direction, and the upper-layer vertical joint 3 is formed at the butt joint. There is an upper concrete wall 8; the integrated member 4 of the lower reinforced formwork and the edge member 5 of the integrated lower reinforced formwork are butted in the horizontal direction, and the vertical joint 6 of the lower layer is formed at the joint, and the integrated member 4 of the lower reinforced formwork is connected to the lower reinforced formwork The cavity formed by the integrated edge member 5 is provided with a lower concrete wall 9; the upper reinforced formwork integrated member 1, the upper reinforced formwork integrated edge member 2 and the lower concrete wall 9 are docked vertically, and the joints form a horizontal to the seam 7; the lower concrete wall 9 is located below the horizontal seam 7.
上层钢筋模板一体化构件1包括墙体低位竖向钢筋1.2、墙体高位竖向钢筋1.3、墙体水平钢筋1.4,墙体低位竖向钢筋1.2和墙体高位竖向钢筋1.3在水平方向相间分布,墙体高位竖向钢筋1.3、墙体水平钢筋1.4通过绑扎或焊接方式与墙体水平钢筋1.4连接,上层钢筋模板一体化构件1前后两侧的墙体低位竖向钢筋1.2、墙体高位竖向钢筋1.3、墙体水平钢筋1.4之间通过对拉连接件12、腹杆钢筋13连接形成钢筋骨架,钢筋骨架通过对拉连接件12、腹杆钢筋13与永久模板1.1连接;下层钢筋模板一体化构件4与上层钢筋模板一体化构件1的构造相同,下层钢筋模板一体化构件4的墙体低位竖向钢筋1.2、墙体高位竖向钢筋1.3与上层钢筋模板一体化构件1的墙体低位竖向钢筋1.2、墙体高位竖向钢筋1.3在水平方向错开分布。The integrated member 1 of the upper layer reinforcement formwork includes the low vertical reinforcement 1.2 of the wall, the high vertical reinforcement 1.3 of the wall, and the horizontal reinforcement 1.4 of the wall. The low vertical reinforcement 1.2 of the wall and the high vertical reinforcement 1.3 of the wall are distributed alternately in the horizontal direction , the high vertical steel bar 1.3 of the wall, the horizontal steel bar 1.4 of the wall are connected with the horizontal steel bar 1.4 by binding or welding, the low vertical steel bar 1.2 of the wall on the front and rear sides of the upper reinforcement formwork integrated component 1, the high vertical steel bar of the wall The reinforcing bar 1.3 and the horizontal reinforcing bar 1.4 of the wall are connected through the tension connector 12 and the web steel bar 13 to form a reinforcement skeleton, and the reinforcement skeleton is connected with the permanent formwork 1.1 through the tension connector 12 and the web reinforcement bar 13; the lower reinforcement formwork is integrated The structural member 4 has the same structure as the upper reinforced formwork integrated member 1, the lower vertical reinforcement 1.2 of the wall of the lower reinforced formwork integrated member 4, the high vertical reinforcement 1.3 of the wall and the lower wall of the upper reinforced formwork integrated member 1 The vertical reinforcement 1.2 and the high-level vertical reinforcement 1.3 of the wall are staggered in the horizontal direction.
上层钢筋模板一体化边缘构件2包括边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3、边缘构件水平钢筋2.4,边缘构件低位竖向钢筋2.2和边缘构件高位竖向钢筋2.3在水平方向相间分布,边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3通过绑扎或焊接方式与边缘构件水平钢筋2.4连接,上层钢筋模板一体化边缘构件2前后两侧的边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3、边缘构件水平钢筋2.4之间通过对拉连接件12、腹杆钢筋13连接形成钢筋骨架,钢筋骨架通过对拉连接件12、腹杆钢筋13与边缘构件永久模板2.1连接,边缘构件永久模板2.1与永久端部模板2.5连接;下层钢筋模板一体化边缘构件5与上层钢筋模板一体化边缘构件2的构造相同,下层钢筋模板一体化边缘构件5的边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3与上层钢筋模板一体化边缘构件2的边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3在水平方向错开分布。腹杆钢筋13在竖直方向呈连续S型分布。The integrated edge member 2 of the upper reinforcement formwork includes the low vertical reinforcement bar 2.2 of the edge member, the high vertical reinforcement bar 2.3 of the edge member, and the horizontal reinforcement bar 2.4 of the edge member. Distribution, the low vertical steel bar 2.2 of the edge member, the high vertical steel bar 2.3 of the edge member are connected with the horizontal steel bar 2.4 of the edge member by binding or welding, and the upper reinforcement formwork is integrated. The high vertical steel bar 2.3 of the edge member and the horizontal steel bar 2.4 of the edge member are connected through the tension connector 12 and the web reinforcement 13 to form a reinforcement skeleton, and the reinforcement skeleton is connected with the permanent formwork 2.1 of the edge member through the tension connector 12, the web reinforcement 13 Connection, the permanent formwork 2.1 of the edge member is connected with the permanent end formwork 2.5; the structure of the integrated edge member 5 of the lower layer of steel formwork is the same as that of the edge member 2 of the upper layer of steel formwork, and the edge member of the integrated edge member of the lower layer of steel formwork 5 is vertically Reinforcing bar 2.2, high vertical reinforcing bar 2.3 of edge member and upper reinforcement formwork are integrated, and low vertical reinforcing bar 2.2 of edge member 2 and high vertical reinforcing bar 2.3 of edge member are distributed in a staggered horizontal direction. The web bars 13 are distributed in a continuous S-shape in the vertical direction.
墙体低位竖向钢筋1.2、墙体高位竖向钢筋1.3、边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3之间的剪力墙竖向钢筋连接接头10采用搭接方式,相邻的两个剪力墙竖向钢筋连接接头10在竖直方向上错开分布;墙体水平钢筋1.4、边缘构件水平钢筋2.4之间的剪力墙水平钢筋连接接头11采用搭接方式,位于同一水平面的两个剪力墙水平钢筋连接接头11不错开。墙体低位竖向钢筋1.2和墙体高位竖向钢筋1.3的长度相等且均大于永久模板1.1的高度;墙体水平钢筋1.4的长度大于永久模板1.1的宽度。边缘构件低位竖向钢筋2.2和边缘构件高位竖向钢筋2.3的长度相等且均大于边缘构件永久模板2.1的高度;边缘构件水平钢筋2.4的长度大于边缘构件永久模板2.1的宽度,边缘构件水平钢筋2.4有水平弯折段。The vertical reinforcement joint 10 of the shear wall between the low vertical reinforcement bar 1.2 of the wall, the high vertical reinforcement bar 1.3 of the wall, the low vertical reinforcement bar 2.2 of the edge member, and the high vertical reinforcement bar 2.3 of the edge member adopts the lap joint method, and the adjacent The two shear wall vertical steel bar connection joints 10 are staggered in the vertical direction; the shear wall horizontal steel bar connection joints 11 between the wall horizontal steel bar 1.4 and the edge member horizontal steel bar 2.4 adopt the lap joint method and are located on the same horizontal plane The two shear wall horizontal reinforcement joints 11 are not separated. The length of the low vertical reinforcement 1.2 of the wall and the high vertical reinforcement 1.3 of the wall are equal and greater than the height of the permanent formwork 1.1; the length of the horizontal reinforcement 1.4 of the wall is greater than the width of the permanent formwork 1.1. The length of the low vertical reinforcement 2.2 of the edge member and the high vertical reinforcement 2.3 of the edge member are equal and greater than the height of the permanent formwork 2.1 of the edge member; the length of the horizontal reinforcement 2.4 of the edge member is greater than the width of the permanent formwork 2.1 of the edge member, and the horizontal reinforcement of the edge member 2.4 There are horizontal bends.
上层钢筋模板一体化构件1、上层钢筋模板一体化边缘构件2、下层钢筋模板一体化构件4和下层钢筋模板一体化边缘构件5采用工厂预制、现场安装方式制成;所述上层混凝土墙体8和下层混凝土墙体9采用现场分次浇筑制成。The upper reinforced formwork integrated component 1, the upper reinforced reinforced formwork integrated edge component 2, the lower reinforced reinforced formwork integrated component 4 and the lower reinforced reinforced formwork integrated edge component 5 are made by factory prefabrication and on-site installation; the upper concrete wall 8 And lower concrete wall body 9 adopts on-site staged pouring to make.
为了方便理解本发明的上述技术方案,以下通过具体使用方式上对本发明的上述技术方案进行详细说明。In order to facilitate the understanding of the above-mentioned technical solution of the present invention, the above-mentioned technical solution of the present invention will be described in detail below through a specific usage mode.
加工上层钢筋模板一体化构件1时,首先将墙体低位竖向钢筋1.2、墙体高位竖向钢筋1.3、墙体水平钢筋1.4、对拉连接件12和腹杆钢筋13通过绑扎连接或焊接连接形成钢筋骨架。然后将其放到模台上,采用高强混凝土浇筑永久模板1.1的一面。当模板强度足够时,将整个构件反转放到另一个已采用高强混凝土浇筑永久模板1.1另一面的模台上(初凝前完成)。当模板的强度足够时,可将整个上层钢筋模板一体化构件1从模台上起吊,放置于存放区。加工上层钢筋模板一体化边缘构件2时,首先加工成型永久端部模板2.5。然后将边缘构件低位竖向钢筋2.2、边缘构件高位竖向钢筋2.3、边缘构件水平钢筋2.4、对拉连接件12和腹杆钢筋13通过绑扎连接或焊接连接形成钢筋骨架。之后将钢筋骨架和永久端部模板2.5放到模台上,采用高强混凝土浇筑边缘构件永久模板2.1的一面。当模板强度足够时,将整个构件反转放到另一个已采用高强混凝土浇筑边缘构件永久模板2.1另一面的模台上(初凝前完成)。当模板的强度足够时,可将整个上层钢筋模板一体化边缘构件2从模台上起吊,放置于存放区。采用同样的工艺可以完成下层钢筋模板一体化构件4和下层钢筋模板一体化边缘构件5。When processing the integrated member 1 of the upper layer reinforcement formwork, first connect the low vertical reinforcement 1.2 of the wall, the high vertical reinforcement 1.3 of the wall, the horizontal reinforcement 1.4 of the wall, the tension connector 12 and the web reinforcement 13 by binding or welding Form a steel skeleton. Then it is put on the mold table, and one side of the permanent formwork 1.1 is poured with high-strength concrete. When the strength of the formwork is sufficient, reverse the entire component and place it on another formwork platform on the other side of the permanent formwork 1.1 that has been poured with high-strength concrete (completed before the initial setting). When the strength of the formwork is sufficient, the entire upper-layer reinforced formwork integrated member 1 can be hoisted from the formwork table and placed in the storage area. When processing the upper-layer reinforced formwork integrated edge member 2, the permanent end formwork 2.5 is first processed and formed. Then the lower vertical reinforcement 2.2 of the edge member, the upper vertical reinforcement 2.3 of the edge member, the horizontal reinforcement 2.4 of the edge member, the tension connector 12 and the web reinforcement 13 are connected by binding or welding to form a reinforcement skeleton. Afterwards, the reinforced skeleton and the permanent end formwork 2.5 are placed on the formwork platform, and one side of the permanent formwork 2.1 of the edge member is poured with high-strength concrete. When the strength of the formwork is sufficient, reverse the entire component and place it on another formwork platform on the other side of the permanent formwork 2.1 of the edge component poured with high-strength concrete (completed before the initial setting). When the strength of the formwork is sufficient, the entire upper-layer reinforced formwork integrated edge member 2 can be lifted from the formwork table and placed in the storage area. The same process can be used to complete the lower reinforcement formwork integrated member 4 and the lower reinforcement formwork integration edge member 5 .
现场施工时,首先安装下层钢筋模板一体化构件4,然后从上方在相应位置吊装下层钢筋模板一体化边缘构件5。用斜支撑将一体化构件固定。采用灌浆料封堵下层竖向拼接缝6。在下层钢筋模板一体化构件4与下层钢筋模板一体化边缘构件5形成的空腔内部浇筑混凝土至楼板顶面形成下层混凝土墙体9。待下层混凝土墙体9强度足够时,安装上层钢筋模板一体化构件1,然后从上方在相应位置吊装上层钢筋模板一体化边缘构件2。同样,用斜支撑将一体化构件固定。采用采用灌浆料封堵上层竖向拼接缝3和水平向拼接缝7。在上层钢筋模板一体化构件1与上层钢筋模板一体化边缘构件2形成的空腔内部浇筑混凝土至楼板顶面形成下层混凝土墙体8。During on-site construction, the lower-layer steel formwork integrated member 4 is first installed, and then the lower-layer steel formwork integrated edge member 5 is hoisted at the corresponding position from above. Fix the integrated components with diagonal supports. Use grouting material to block the vertical joint 6 of the lower layer. Concrete is poured into the cavity formed by the lower reinforced formwork integrated member 4 and the lower reinforced formwork integrated edge member 5 to the top surface of the floor to form the lower concrete wall 9 . When the strength of the lower concrete wall 9 is sufficient, install the upper-layer steel formwork integrated member 1, and then hoist the upper-layer steel formwork integrated edge member 2 at the corresponding position from above. Also, fix the integrated components with diagonal supports. The vertical joint 3 and the horizontal joint 7 of the upper layer are blocked by grouting material. Concrete is poured into the cavity formed by the upper reinforced formwork integrated member 1 and the upper reinforced reinforced formwork integrated edge member 2 to the top surface of the floor to form the lower concrete wall 8 .
综上所述,借助于本发明的上述技术方案,可使剪力墙的钢筋和模板形成一体化构件进行整体安装,且模板无需拆除,可大幅度提高施工工效,形成墙体的抗震性能等同于现浇结构。作为其他类型混凝土结构,其钢筋和模板形成一体化安装也可参考使用。To sum up, with the help of the above technical solution of the present invention, the steel bars and formwork of the shear wall can be formed as an integrated component for integral installation, and the formwork does not need to be removed, the construction efficiency can be greatly improved, and the seismic performance of the formed wall is equivalent to in cast-in-place structures. As other types of concrete structures, the integrated installation of steel bars and formwork can also be used as a reference.
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.
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| CN108678220B (en) | 2023-12-19 |
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