Template-free partial precast steel concrete combined underground comprehensive pipe rack

Abstract

The invention provides a template-free partial precast steel concrete combined underground comprehensive pipe rack. The pipe rack is placed on a cushion layer, and comprises an inner layer, a middle layer and an outer layer; the outer layer is a precast concrete layer; the middle layer is a cast-in-place concrete layer and a precast steel plate layer; the inner layer is a steel skeleton consisting of an annular steel beam and a longitudinal steel beam; the precast concrete layer is connected with the cast-in-place concrete layer; the cast-in-place concrete layer is connected with the precast steel plate layer; the precast steel plate layer is connected with the steel skeleton; the three layers commonly bear external loads transferred by soil; during constructing, the precast concrete layer, the precast steel plate layer, the annular steel beam and the longitudinal steel beam are all machined in a factory and assembled on the spot; the cast-in-place concrete layer is cast; and the partial precast construction is realized without needing templates. The pipe rack has such advantages as low dead weight, no templates, short construction period and high industrialization degree.

Description

technical field [0001] The invention relates to the technical field of municipal facilities construction, in particular to a formwork-free partially prefabricated assembled steel-concrete combined underground comprehensive pipe gallery. Background technique [0002] Urban underground pipelines refer to pipelines and ancillary facilities for water supply, drainage, gas, heat, electricity, communications, radio and television, industry, etc. within the city, and are important infrastructure and "lifelines" to ensure urban operation. In recent years, with the rapid development of cities, problems such as insufficient scale of underground pipeline construction and low management level have become prominent. In some cities, incidents such as heavy rain and waterlogging, pipeline leakage and explosion, and road subsidence have occurred one after another, which have seriously affected the safety of people's lives and property and the order of urban operation. . Underground compreh...

AI Technical Summary

Problems solved by technology

[0004] However, the waterproof treatment of the fully prefabricated assembled steel-concrete composite underground comprehensive pipe gallery requires high cost at the joints of the segments, and some prefabricated assembled steel-concrete composite underground comprehensive pipe galleries require a certain amount of formwork during the construction process. The application of the prefabricated steel-concrete composite underground comprehensive pipe gallery has brought adverse effects

Images