Construction method of a subway station

Abstract

The invention provides a construction method of a subway station. The construction method is characterized in that a temporary support system does not need to be set; the situations that in a temporary support system in a conventional construction method, supports are difficult to disassemble and change are prevented through utilizing plates, comprising top plates, layer plates and bottom plates, in all layers of a station with a permanent structure; and a lot of temporary materials are saved. According to the construction method, the problem that the structure is unstable due to conversion of a structure stress system caused by support disassembly and support changing is avoided, a conventional station structure longitudinal beam system is changed into a system horizontally and integrally bearing stress, and the structure is constructed at a time, and is simple, clear, safe and reliable.

Description

technical field [0001] The invention relates to a construction method of a subway station, in particular to an energy-saving and environment-friendly subway construction method with self-supporting subway structure, no external support and no demolition. Background technique [0002] At present, the construction method of urban rail transit underground stations in most cities in my country adopts the open-cut method, which is basically a construction system composed of enclosure structures, internal supports and temporary columns. The main construction methods are: 1. The complete open cut method, there are a lot of demolition work such as concrete supports, steel supports and temporary columns, which requires a lot of waste, many processes, long construction period, high cost, and great interference to the environment. High-quality and high-efficiency; 2. The cover-and-excavation method needs to consider the effectiveness of waterproofing outside the structural system. The ...

AI Technical Summary

Problems solved by technology

The main construction methods are: 1. The complete open cut method, there are a lot of demolition work such as concrete supports, steel supports and temporary columns, which requires a lot of waste, many processes, long construction period, high cost, and great interference to the environment. High-quality and high-efficiency; 2. The cover-and-excavation method needs to consider the effectiveness of waterproofing outside the structural system. The structure is complex, and the earthwork needs to be partially left holes for construction. The cost is higher; 3. In order to solve the difficulties of pipeline relocation or traffic evacuation, some stations adopt half-bedding or partial cover-excavation method, which still cannot solve the risk of removing the bedding and internal concrete slab support, which is time-consuming and labor-intensive, and requires a lot of waste and reconstruction work.

Images