Combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and production and installation method of combined beam

Abstract

The invention discloses a combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and a production and installation method of the combined beam. The combined beam comprises an engineered wood beam, a profiled steel sheet, a light-weight aggregate concrete wing plate, a transverse steel bar and longitudinal steel bars. The production and installation method comprises the following steps: manufacturing the engineered wood beam; pre-drilling holes in a marked position of the top of the engineered wood beam by using a drill bit of a drilling machine; paving the profiled steel sheet, and then penetrating connecting pieces through the profiled steel sheet by using an electric wrench to drive into pre-drilled holes in the top of the engineered wood beam; manufacturing the light-weight aggregate concrete wing plate; and performing concrete curing, and disassembling end plates or baffle plates at the ends of the profiled steel sheet until light-weight aggregate concrete achieves design ultimate compressive strength. According to the combined beam, the engineered wood beam is combined with the profiled steel sheet and the light-weight aggregate concrete wing plate, the manufacturing cost of the combined beam is reduced, and the rigidity and bearing capacity of the combined beam are improved, so that engineered wood and concrete make full use of respective advantages, and the tensile property of the engineered wood and the compressive property of the concrete are improved.

Description

technical field [0001] The invention belongs to the technical field of building composite beams, and in particular relates to an engineering wood-profiled steel plate-light aggregate concrete composite beam and a preparation and installation method thereof. Background technique [0002] At present, the beam structures used in the field of construction mainly include wooden beams, reinforced concrete beams, and wood-concrete composite beams (here refers to wood-concrete composite beams made of logs). [0003] There are many deficiencies in the use and manufacture of existing beam structures: [0004] 1. The disadvantages of traditional wooden beams: (1) Poor fire resistance; (2) Low bearing capacity; (3) Logs are prone to decay and insects, and the output of natural wood is low and the price continues to rise. Mass felling will cause environmental damage. destruction and ecological balance. [0005] 2. Deficiencies of reinforced concrete beams: (1) The section size is large...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the embodiments of the present invention is to provide an engineering wood-profiled steel plate-light aggregate concrete composite beam and its preparation and installation method, aiming at solving the problem of poor fire resistance and low bearing capacity of the existing wooden beam structure, and the self-heaviness of the reinforced concrete beam The cost is high and it brings civil waste, and the existing wood-concrete combination construction is more complicated

Images