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Steel pipe column insertion accurate positioning structure and construction method for accurate positioning

A technology of precise positioning and steel pipe column, which is applied in basic structure engineering, building structure, processing of building materials, etc. It can solve the problems of complicated positioning and construction of steel pipe columns in deep foundation pits, and achieve significant economic benefits, accurate installation and smooth implementation. Effect

Pending Publication Date: 2020-03-06
SANCHU OF CHINA RAILWAY TUNNEL GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is more complicated when it comes to the underground excavation of urban subway stations and the positioning of steel pipe columns in deep foundation pits

Method used

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  • Steel pipe column insertion accurate positioning structure and construction method for accurate positioning
  • Steel pipe column insertion accurate positioning structure and construction method for accurate positioning
  • Steel pipe column insertion accurate positioning structure and construction method for accurate positioning

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0047]Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wit...

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Abstract

The invention belongs to the technical field of deep foundation pit construction, and discloses a steel pipe column insertion accurate positioning structure. The steel pipe column insertion accurate positioning structure comprises a steel pipe column, wherein a tool joint is connected to the outer side of the steel pipe column. The steel pipe column insertion accurate positioning structure furthercomprises a preset hole, a protective cylinder arranged in the preset hole and a positioning platform; one end of the protective cylinder is exposed out of the ground; the positioning platform is positioned above an opening of the preset hole and connected with the ground through threaded steel; the positioning platform is provided with a positioning pin used for limiting the steel pipe column; the steel pipe column is inserted into the protective cylinder; section steel is arranged on the two sides of the end, exposed out of the ground, of the protective cylinder; channel steel is perpendicularly arranged on the section steel; and the bottom end of the steel pipe column is fixed to the plane of the bottom of the hole through a fixing piece. According to the steel pipe column insertion accurate positioning structure, on the basis that the input cost is saved, the perpendicularity and the center position of the steel pipe column can be directly measured in the whole construction process, correction is conducted in time after the cost is reduced, and the uncontrollability of error accumulation and untight contact between the steel pipe column and a positioner in a traditional technology is avoided. The invention further discloses a construction method for conducting accurate positioning through the structure.

Description

technical field [0001] The invention belongs to the technical field of deep foundation pit construction, and in particular relates to a construction method for inserting a steel pipe column into a precise positioning structure and precise positioning. Background technique [0002] With the rapid development of China's economy and the acceleration of urbanization, urban construction has entered a period of great development, and the enthusiasm for construction in various places is increasing day by day. However, the increasingly prosperous cities create fewer and fewer conditions for construction and leave less and less time for construction. Construction is difficult. getting bigger. The above phenomena are mainly reflected in: large project scale, many foundation pit groups, large foundation pit area and deep depth. It is known that the cover-excavation method is to build the enclosure structure and intermediate piles of the foundation pit downward on the ground surface. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D15/08E02D5/38E02D27/42E04G21/18
CPCE02D5/38E02D15/08E02D27/42E02D2300/0029E04G21/1841
Inventor 裴超杨义舒丹袁启航刘银国
Owner SANCHU OF CHINA RAILWAY TUNNEL GROUP
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