Independent-grouting-opening-free reinforcing steel bar grouting connecting sleeve, system and construction method

Abstract

The invention provides an independent-grouting-opening-free reinforcing steel bar grouting connecting sleeve system and a construction method thereof. The system comprises a plurality of independent-grouting-opening-free reinforcing steel bar grouting connecting sleeves and a reinforcing steel bar grouting connecting sleeve with a grouting opening and grout outlets, or comprises a plurality of independent-grouting-opening-free reinforcing steel bar grouting connecting sleeves and a grouting pipe. The system is characterized in that only the grout outlets A are formed in the side walls of sleeve bodies. Compared with frequently-used reinforcing steel bar grouting connecting sleeves, grouting openings special for the side walls are omitted, and therefore machining cost of the sleeves is reduced, and the potential quality hazard that grout is prone to leaking from the grouting pipe and the grouting openings in the construction process is avoided. In addition, by means of the independent grouting openings, fewer grouting pipes and grout outlet pipes are distributed, the technological requirements for constructors are lowered, and construction efficiency and construction quality are effectively improved.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a steel bar grouting connection sleeve, a steel bar grouting connection sleeve system and a construction method thereof. Background technique [0002] At present, the grouting reinforcement sleeves widely used in the field of prefabricated concrete structures are all provided with independent grouting openings and grouting outlets on the side walls. In the structure, the grouting port and the grouting port are respectively connected to the outer surface of the concrete member by connecting the independent grouting hose and the grouting hose, and the connection between the grouting hose and the grouting port is easy to be produced during the prefabrication process. Slurry leaks, so it needs to be handled very carefully. Especially for non-casting grouting reinforcement sleeves, the grouting port and the sleeve body are not integrally formed, and it is usually nec...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a steel bar grouting connection sleeve without an independent grouting port and a construction method. The problems of grout leakage and cost increase due to pipe connection, as well as the dense distribution of grouting steel sleeve group grouting pipes and grouting pipes commonly used in the prior art lead to inconvenient construction, low construction efficiency, and great impact on workers’ skills. High requirements and heavy work load on the surface of the structure after grouting

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