Fabricated concrete member box-shaped sleeve type connecting structure, construction method and application

Abstract

The invention discloses a fabricated concrete member box-shaped sleeve type connecting structure, a construction method and application. The structure comprises a first barrel-shaped body and a secondbarrel-shaped body, wherein a cavity of the first barrel-shaped body is divided into a first area and a second area, and a cavity of the second barrel-shaped body is divided into a third area and a fourth area; first studs and second studs are distributed on the inner wall of a first-area barrel body and the inner wall of a fourth-area barrel body correspondingly; the barrel body of the first barrel-shaped body is inserted into a barrel body corresponding to the third area, and then the barrel body of the first barrel-shaped body and the barrel body of the third area are nested into a whole and fastened; a nested area is used as a grouting area, and a grouting hole and a grout outlet hole which communicate with the outside are formed in the barrel wall of the grouting area; the fabricatedconcrete member box-shaped sleeve type connecting structure further comprises a prefabricated first concrete member unit which starts from the first and second area boundary and is partially wrappedby the first area cavity, and a prefabricated second concrete member unit which starts from the third and fourth area boundary and is partially wrapped by the fourth area cavity, the first studs and first ribs are embedded inside the prefabricated first concrete member unit, and the second studs and second ribs are embedded inside the prefabricated second concrete member unit; and the plurality offirst ribs and the plurality of second ribs form rib groups parallel to the corresponding the barrel-shaped bodies respectively.

Description

technical field [0001] The invention belongs to the technical field of civil engineering prefabricated buildings, and in particular relates to a box-shaped sleeve connection structure of prefabricated concrete components and its construction method and application. Background technique [0002] Prefabricated concrete structures have been widely used in practical projects due to their advantages of fast construction speed, flexible structural layout, low cost, and environmental protection. The connection structure between prefabricated components plays a vital role in the safety of the overall structure. At present, the connection between the stressed steel bars of precast concrete members generally adopts sleeve grouting connection, grout anchor lap connection, etc., but this connection method has high requirements for construction, and grouting such as grout fallback and grout leakage are prone to occur in actual projects The case of not being full. The mechanical perform...

AI Technical Summary

Problems solved by technology

At present, the connection between the stressed steel bars of precast concrete members generally adopts sleeve grouting connection, grout anchor lap connection, etc., but this connection method has high requirements for construction, and grouting such as grout fallback and grout leakage are prone to occur in actual projects Not full

However, the mechanical performance of precast concrete components is more sensitive to grouting defects, which poses a great threat to the safety of prefabricated concrete frame structures.

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