Connection method and structure of reinforced concrete cantilever beam and main body concrete
A reinforced concrete and connection structure technology, which is applied in the direction of building structure and construction, can solve the problems of construction interference and low construction quality assurance rate, and achieve the effect of simplifying the construction process and reducing project investment
Active Publication Date: 2017-02-22
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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Problems solved by technology
[0003] The object of the present invention is to provide a connection method and structure between a reinforced concrete cantilever beam and the main body concrete, so as to solve the problem that the existing cast-in-place cantilever beam has on construction. The problem of certain interference and relatively low construction quality assurance rate, so as to overcome the deficiencies of existing technologies
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[0022] Such as figure 1 as shown, figure 1 Different positions of three prefabricated beams are drawn in figure 1 Beam A in is the state diagram when the beam nest 3 is not inserted; figure 1 The beam B in the figure is a state diagram when the beam socket 3 is being inserted, and the arrow in the figure indicates the insertion direction. During the insertion process, the rod-shaped object 7 is used to press the stop pin 6 upwards to prevent the stop pin 6 from falling out during the insertion process. come out of the beam pin hole; figure 1 The beam C in is a state diagram when it is fully inserted into the beam socket 3. During concrete implementation, the main body concrete 2 reserves the beam nest 3 during the pouring process, and reserves the main body pin hole 4 at the bottom of the beam nest at the same time, after which the main body concrete can continue to rise. Reinforced concrete prefabricated beams can be prefabricated at any other site. A beam pin hole 5 is ...
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The invention discloses a connection method and structure for a reinforced concrete cantilever beam and main body concrete. According to the method, the reinforced concrete cantilever beam adopts a precast beam, and the precast beam and the main body concrete are in cuttage grafting and fixed through a stop pin anchor. The reinforced concrete cantilever beam adopts a precast beam, and connection structure for connecting the reinforced concrete cantilever beam and the main body concrete through the stop pin anchor is an initiate in the building field. Compared with an ordinary joint bar, safety is ensured. According to the connection method and structure, the preserved joint bar in a beam sump in the prior art is eliminated, project investment is reduced, concrete of the beam sump is not cast in the later period, therefore, the construction procedure is simplified, and the main body concrete can go up quickly and continuously.
Description
technical field [0001] The invention relates to a connection method and structure of a reinforced concrete cantilever beam and a main body concrete, and belongs to the technical field of construction methods and structures of construction engineering. Background technique [0002] Most of the existing reinforced concrete beams adopt cast-in-place or prefabricated structures. According to the requirements of the construction period, for the concrete cast-in-place beams, the reserved inserts and beam sockets are generally used, while the beams adopt the construction method of post-filling. This structure needs to arrange a certain number of inserts in the beam sockets reserved on the main concrete surface in advance. This will cause some construction interference to the main concrete construction, and it is difficult to pour the concrete in the beam nest densely; for the prefabricated beam structure, the force structure with simple support at both ends is generally used, and t...
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IPC IPC(8): E04B1/58E04B1/41
Inventor 苏鹏郝鹏王荣荣何福娟邱焕峰张斌程瑞林占文婷张合作史鹏飞陈敬
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD