Assembled underground structure of precast concrete planks and construction method thereof

Abstract

The invention discloses a prefabricated concrete slab-assembled underground structure and a construction method, which is composed of a wall surface, a roof slab and a horizontal partition. The roof is composed of a plurality of prefabricated concrete roofs arranged at intervals and the roof cast-in-place splicing concrete poured between adjacent precast concrete roofs. Consistent with the setting, the horizontal partition is composed of a plurality of prefabricated concrete partitions arranged at intervals and cast-in-place splicing concrete for the partitions poured between adjacent precast concrete partitions. The present invention can adopt factory production, utilize large-scale machinery to carry out construction, can save manpower, reduce cost, construction speed is fast, quality is reliable, can reduce engineering quantity, accelerate construction progress, save the cost of deep foundation pit support.

Description

technical field [0001] The invention belongs to the field of civil construction engineering, and relates to a prefabricated concrete slab assembled underground structure and a construction method. Background technique [0002] my country is vigorously promoting the overall prefabricated structure, but at present these prefabricated structures are only limited to the upper structure. For the underground structure, sheet splicing is only used in the tunnel shield, and a zigzag structure is used in the jacking pipe. For general underground structures with a large quantity and a wide area, the cast-in-place construction is still used at present. The cast-in-place construction requires a lot of manpower, low work efficiency, and high project cost. The invention adopts the assembling method to apply the prefabricated concrete slab to the underground structure for the first time, adopts factory production, assembles large-scale equipment, has high construction efficiency, reliable q...

AI Technical Summary

Problems solved by technology

[0002] my country is vigorously promoting the prefabricated overall structure, but at present these prefabricated structures are only limited to the upper structure. For the underground structure, only sheet splicing is used in the tunnel shield, and the zigzag structure is used in the jacking pipe. For the general underground structure with large quantity and wide area, the cast-in-place construction is still adopted at present. The cast-in-place construction requires a lot of manpower, low work efficiency and high project cost

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