Installation and construction method of column base of large-diameter steel pipe column

A construction method and technology of steel pipe columns, which are applied in the directions of columns, piers, pillars, etc., can solve the problems of inconvenient positioning and complicated operation, and achieve the effects of convenient operation, high construction quality, and accurate and fast installation.

Active Publication Date: 2014-11-12
CHINA METALLURGICAL CONSTR ENG GRP
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] However, due to the large diameter of the steel pipe of the large-diameter steel pipe column, the construction method of the column foot of the ordinary steel pipe column is no longer applicable, and there are defects s

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  • Installation and construction method of column base of large-diameter steel pipe column
  • Installation and construction method of column base of large-diameter steel pipe column
  • Installation and construction method of column base of large-diameter steel pipe column

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] During specific implementation: a method for installing the foot of a large-diameter steel pipe column, comprising the following steps:

[0023] a. After the acceptance of the foundation pit, pour C30 foundation concrete cushion in the foundation pit;

[0024] b. Bind the bottom reinforcement mesh and the side wall reinforcement mesh above the foundation pit cushion;

[0025] c. Install four anchor bolts;

[0026] The above step a and step b are both mature prior art and will not be described in detail here. Where this method makes improvements and contributions to the prior art lies in:

[0027] The anchor bolts are M36 anchor bolts. When the anchor bolts are installed, the pre-embedded positioning ring plate is used for positioning. 10mm circular steel plate to ensure the accuracy of anchor bolt installation; four anchor bolt installation holes ar...

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Abstract

The invention discloses an installation and construction method of a column base of a large-diameter steel pipe column. The method comprises the following steps: a, pouring a foundation pit cushion layer into a foundation pit; b, binding a bottom steel net and a lateral wall steel net above the foundation pit cushion layer; c, installing four anchor bolts. The installation and construction method is characterized in that the anchor bolts are M36 anchor bolts; the anchor bolts are positioned by adopting embedded positioning ring plates during installation, and the positioning ring plates are positioned and installed by adopting upright tube bracket supports with the steel pipe structure before being embedded. The installation and construction method has the advantages of being more convenient to operate, more accurate and faster to install, and higher in construction quality, and is especially suitable for installation and construction of the column base of the large-diameter steel pipe column, and the construction quality of the column base is ensured, so as to ensure the quality of the steel pipe column.

Description

technical field [0001] The invention relates to a construction technology of a steel pipe column, in particular to a construction method for installing the foot of a steel pipe column with a large diameter. Background technique [0002] Steel pipe column (i.e. concrete-filled steel pipe column) refers to a building support structural member formed by filling concrete in steel pipe, and the steel pipe and its core concrete can bear the external load together. Steel pipe columns, etc. In steel pipe columns, the steel pipe restrains the concrete inside to make the concrete in a three-dimensional compression state, which improves the compressive strength of the concrete; the concrete inside the steel pipe can effectively prevent local buckling of the steel pipe. The research shows that the bearing capacity of the steel pipe column is higher than the sum of the bearing capacity of the corresponding steel pipe column and the concrete column. The interaction between the steel pipe...

Claims

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Application Information

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IPC IPC(8): E02D27/42E04C3/34
Inventor 孙慧星李海清张建东张曾余刘义权
Owner CHINA METALLURGICAL CONSTR ENG GRP
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