Assembly joint of prefabricated column and integrated prefabricated beam plate and construction method of assembly joint

Abstract

The invention discloses an assembly joint of a prefabricated column and an integrated prefabricated beam plate and a construction method of the assembly joint. The assembly joint comprises the horizontal integrated prefabricated beam plate and the vertical prefabricated column; the prefabricated column includes a lower prefabricated column body and an upper prefabricated column body; concave post-cast connection areas are formed in the upper surface of the lower prefabricated column body, multiple upper reserved longitudinal bars are reserved on the upper surface of the lower prefabricated column body and extend from the bottoms of the post-cast connection areas, the extension length is smaller than the depth of the post-cast connection areas, and a vertical upper steel pipe is embedded inthe upper surface of the lower prefabricated column body in advance; the integrated prefabricated beam plate is arranged on the lower precast column body, and a steel pipe connection hole and multiple rib penetrating holes vertically run through the integrated prefabricated beam plate. The upper prefabricated column body is placed on the integrated prefabricated beam plate, a vertical lower steelpipe is embedded in the lower surface of the upper prefabricated column body, and multiple lower reserved longitudinal bars are reserved on the lower surface of the upper prefabricated column body, are coaxial with the rib penetrating holes and the upper reserved longitudinal bars one to one and penetrate through the rib penetrating holes to extend to the post-cast connection areas; the upper steel pipe and the lower steel pipe both extend into the steel pipe connection hole and are internally provided with connection steel bars.

Description

technical field [0001] The invention belongs to the technical field of fixed buildings, and in particular relates to an assembly node of a prefabricated column and an integrated prefabricated beam and slab and a construction method thereof. Background technique [0002] Prefabricated building is an energy-saving, environmentally friendly and efficient building form. Prefabricated concrete structures have the advantages of high economic benefits, less impact on construction by climatic conditions, easy guarantee of product quality, short construction time and less environmental pollution, and have become an important direction for the development of the construction industry. [0003] According to the damage simulation test of prefabricated buildings and the analysis of some actual damage sites, the main form of prefabricated building damage is the damage at the assembly nodes. Therefore, the seismic capacity of the assembly nodes determines the overall safety and reliability...

AI Technical Summary

Problems solved by technology

With the development of assembly technology, the existing technology can ensure the safety and reliability of the connection of assembly nodes, but there are still many aspects that need to be optimized in the form and method of prefabricated buildings, such as: 1. The assembly speed of the structural system is relatively slow, The standardized design and industrialized production of prefabricated components are relatively low, and the integrated assembly method and construction technology of the structural system still need to be improved and improved; 2. The assembly and connection of the beam-slab system and the column, and the assembly and connection of the column and the column are complicated and difficult to construct It is relatively large, which is not conducive to the improvement of construction efficiency and construction quality; it affects the overall stiffness and seismic performance of the joints; 3. The assembly method of the existing structural system still requires a large number of temporary support systems, and installation and removal are time-consuming and labor-intensive. Low

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