Steel pipe column for subway station and its construction technology

Abstract

The invention discloses a steel pipe column for a subway station and a construction process of the steel pipe column. The steel pipe column comprises a steel pipe supporting column, a middle joint structure arranged on the middle portion of the steel pipe supporting column and a lower joint structure arranged on the lower portion of the steel pipe supporting column. The middle joint structure comprises a round tray coaxially arranged on the steel pipe supporting column in a sleeving manner; a middle plate beam is supported on the round tray which is located below the middle plate beam; and the round tray is installed on the steel pipe supporting column in a clamped manner, and the steel pipe supporting column penetrates the interior of the middle plate beam. The lower joint structure comprises an upper stiffening structure, a middle stiffening structure and a lower stiffening structure which are arranged from top to bottom; and the upper stiffening structure, the middle stiffening structure and the lower stiffening structure are all poured in a bottom plate. The construction process includes the first step of pile hole excavation, the second step of steel pipe column hoisting and the third step of concrete pouring. The steel pipe column for the subway station is reasonable in design, easy and convenient to construct and good in using effect, the construction process of the steel pipe column in the subway station can be easily, conveniently and fast completed, and the constructed and formed steel pipe column is excellent in mechanical property.

Description

technical field [0001] The invention belongs to the technical field of subway station construction, and in particular relates to a steel pipe column for a subway station and a construction process thereof. Background technique [0002] The subway station is an important building in the urban rail transit network. It is a place for passengers to take off, transfer and wait. The cover-excavation method is a new engineering construction method adopted when the underground engineering needs to cross obstacles such as roads and buildings. Specifically, after the ground is excavated to a certain depth, the top is closed, and the rest of the substructure is in the closed area. Construction under the roof. The main structure can be done forward or reversed. When using the cover-excavation method to construct a subway station in upper hard and lower soft ground, the construction is more difficult. For example, when constructing the Wusi Square Station located in Qingdao, the const...

AI Technical Summary

Problems solved by technology

Nowadays, when constructing steel pipe columns in subway stations, there is no unified, standard and standardized construction method to follow. In the actual construction process, there are inevitably unavoidable construction operations, low construction efficiency, and the use of steel pipe columns after construction. Poor effect and other issues

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