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A construction method for steel pipe columns in subway underground excavation stations

A construction method and steel pipe column technology, applied in the field of steel pipe column positioning, can solve the problems of time-consuming, etc., and achieve the effects of reducing installation time, ensuring installation accuracy, and saving construction materials

Active Publication Date: 2018-05-18
SUBWAY ENG CO LTD OF CHINA RAILWAY 16TH CONSTR BUREAU +1
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  • Abstract
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Problems solved by technology

It can be seen that it takes too long to install a steel pipe column

Method used

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  • A construction method for steel pipe columns in subway underground excavation stations

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0019] A construction method for a steel pipe column in a subway underground excavation station of the present invention, the method comprises the following steps:

[0020] S1 Removal of pile heads: pumping out the mud remaining in the pile after pouring under water. The mud in the pile is pumped out with a submersible mud pump. Part of the mud that cannot be pumped out by the submersible pump at the bottom needs to be manually removed; after the mud in the pile is pumped out, it is ventilated into the pi...

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Abstract

The invention discloses a mined metro station steel pipe column construction method. The method comprises the following steps that S1, pile heads are removed; S2, positioning derricks are mounted at the upper ends of steel pipe columns; S3, the perpendicularity of the lower portions of the steel pipe columns is adjusted; and S4, concrete is poured. The steel pipe columns can be rapidly mounted in a confined space of a mined metro station, and meanwhile the mounting precision can be ensured. The mounting time of the steel pipe columns is effectively shortened, and construction materials are saved. Compared with existing steel pipe column mounting methods, the method has certain economical efficiency.

Description

technical field [0001] The invention relates to the technical field of positioning of steel pipe columns, in particular to a construction method for steel pipe columns of subway underground excavation stations. Background technique [0002] The installation of the existing steel pipe column structure is to first chisel the edge of the positioner base and level it; then install the positioning cone and backing plate, pour concrete for the first time to fix the positioning cone, then install the positioning cross steel plate and pour concrete for the second time to fix the positioning Cross steel plate system, then install the steel pipe column, position the upper and lower ends, pour the third time to the design elevation, and finally fix the steel pipe column on the top. It can be seen that the time spent installing a steel pipe column is too long. Contents of the invention [0003] The object of the present invention is to provide a method for constructing steel pipe col...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/045E02D15/02
CPCE02D15/02E02D29/045
Inventor 马栋吴宝华陈树禹张天泽曾顺成扈士琰田飞飞孙明翔
Owner SUBWAY ENG CO LTD OF CHINA RAILWAY 16TH CONSTR BUREAU
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