Steel structure support-free fully-prefabricated concrete floor slab connecting joint and connecting method
A technology of prefabricated concrete and connecting nodes, which is applied to floors, building components, building structures, etc., can solve problems such as low construction efficiency, influence on construction progress, and large amount of wet work, so as to reduce production difficulty, ensure construction progress, and structure simple effect
Inactive Publication Date: 2020-07-24
CHINA MCC5 GROUP CORP
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a steel structure support-free fully precast concrete floor connection node and connection method, which solves the problem of low construction efficiency due to the large amount of wet work during the construction of the steel structure building floor in the prior art, and the need to erect temporary supports , so as to affect the technical problems of the overall construction progress
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying...
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The invention discloses a steel structure support-free fully-prefabricated concrete floor slab connecting joint and a connecting method, and solves the technical problem that in the prior art, the overall construction progress is influenced by low construction efficiency caused by large wet construction amount during steel structure house floor slab construction. The connecting joint comprises a steel beam, a first span concrete prefabricated slab, a first connecting piece, a second span concrete prefabricated slab, a second connecting piece and a filling structure. The connecting method mainly comprises the steps that the angle steel is anchored to the ends of the concrete prefabricated slabs, the ends of the concrete prefabricated slabs are directly connected to the steel beam in a lap joint mode, the angle steel is connected through bolts, the angle steel is connected with the steel beam through bolts, and finally micro-expansion fine aggregate concrete is densely poured on an upperwing plate of the steel beam. The connecting joint is simple in structure, scientific and reasonable in design and convenient to use, and the fully-prefabricated floor slabs are stably connected in the steel structure, so that the wet work amount during steel structure house floor slab construction is reduced, the overall construction efficiency is improved, and the construction progress is guaranteed.
Description
technical field [0001] The invention belongs to the technical field of prefabricated floor slab connection of steel structure houses, and in particular relates to a steel structure support-free fully prefabricated concrete floor slab connection node and a connection method. Background technique [0002] At present, the floor systems of steel structure houses mainly include cast-in-place floor slabs, laminated slabs, and profiled steel-concrete composite floor slab systems. The above-mentioned floor slab systems all need to be poured on site, and the wet work on site is heavy. Before the concrete reaches a certain strength, the load-bearing capacity and stiffness of the floor slab are relatively small. At the same time, it takes a long time for the concrete to reach a certain strength from pouring, which reduces the construction efficiency and affects the overall construction progress. [0003] In recent years, my country has vigorously promoted the application of prefabrica...
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IPC IPC(8): E04B5/02E04B5/10E04B5/00
CPCE04B5/00E04B5/02E04B5/023E04B5/10
Inventor 代小强冯波刘建国
Owner CHINA MCC5 GROUP CORP
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