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A pre-embedded slab for steel pipe column pedestal by hole pile method and its construction method

A technology of pre-embedded slabs and steel pipe columns, which is applied in infrastructure engineering, construction, etc., can solve the problems of complex installation of steel pipe positioners and difficult construction, and achieve the effects of reducing construction difficulties, improving installation accuracy, and reducing dependence

Active Publication Date: 2016-04-06
CHINA RAILWAY ERJU 1ST ENG CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of complex installation and difficult construction of the steel pipe locator in the prior art, and provide a pre-embedded pedestal for the longitudinal beam at the bottom of the steel pipe column by the hole pile method

Method used

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  • A pre-embedded slab for steel pipe column pedestal by hole pile method and its construction method
  • A pre-embedded slab for steel pipe column pedestal by hole pile method and its construction method
  • A pre-embedded slab for steel pipe column pedestal by hole pile method and its construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A pre-embedded slab pedestal for a steel pipe column with hole pile method, including a bottom longitudinal beam 1, and a plurality of positioning rods vertically arranged on the bottom longitudinal beam (the location of the positioning rods is set between the embedded slab and the bottom longitudinal beam); The positioning rod is welded on the main rib of the bottom longitudinal beam; the embedded plate 5 is horizontally arranged on the positioning rod; preferably, the embedded plate is provided with a positioning hole 501, and the positioning rod passes through the positioning hole, and the positioning rod is a screw , adjusting the horizontal height of the embedded plate through nuts; preferably, the embedded plate is a circular steel plate. On the pre-embedded board, draw a circle with the center of the pre-embedded board as the center and the sum of the radius of the steel pipe column + the design reserved value as the radius (that is, the positioning circle 503), a...

Embodiment 2

[0037] Steel pipe column embedded plate installation

[0038] (1) Measurement positioning

[0039] The measurement team will place the central point of the steel pipe column of each axis at the initial support vault; calculate the elevation value of the bottom plate of the steel pipe column of each axis according to the drawings, and make records and delivery methods; the full-time construction technician will guide the workers on site to set out the steel pipe column The center point of the bottom plate.

[0040] (2) Steel pipe column embedded plate installation

[0041]Position the steel plate at the base of the column, divide the four equal lines of the steel plate at the base of the column, first arbitrarily determine a chord line, use the chord line as the perpendicular line to determine the axis A, and use the axis A as the perpendicular line to determine the axis B, and the ink line can be seen on the steel plate (When the pre-embedded slab is circular, it is the quar...

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Abstract

The invention relates to building construction, in particular to a pre-embedded plate for a steel pipe column pedestal by hole pile method and a construction method thereof. The pre-embedded pedestal of the steel pipe column of the hole pile method includes a plurality of positioning rods vertically arranged on the bottom longitudinal beam, and the positioning rods are welded on the main reinforcement of the bottom longitudinal beam; the embedded board is horizontally arranged on the positioning rods; On the pre-embedded plate, a plurality of positioning plates are arranged on a circle whose radius is the sum of the steel pipe column radius plus the design reserved value. The pre-embedded pedestal of the bottom longitudinal beam of the present invention has the function of positioning and limiting the steel pipe column, and the installation and construction of the bottom longitudinal beam pedestal can reduce the dependence on the conventional positioner, reduce the difficulty of setting the positioner, and improve the steel pipe. Column mounting accuracy.

Description

technical field [0001] The invention relates to building construction, in particular to a pre-embedded plate for a steel pipe column pedestal by hole pile method and a construction method thereof. Background technique [0002] With the development of urbanization, municipal rail transit has become an integral part of the important traffic in the city. Various rail transit lines are arranged in a staggered manner, covering every corner of the city. Rail transit transfers have undoubtedly become the hub of various transportation lines. Although most transfers in China have realized transfers within stations, the transfer lines are long and difficult for passengers. Unnecessary trouble has been brought about; "zero-distance" transfer has become the mainstream trend in the development of urban rail transit; super-high transfer sections need to be set up for zero-distance subway transfers, which are used as transfers between two lines, and steel pipe columns are used as hole pile...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/42
Inventor 李阳赵瑞文王湘华毛明林瞿国丽耿开亮杨龙腾李伟简伟张亚磊何寿海姜晓明
Owner CHINA RAILWAY ERJU 1ST ENG CO
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