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Construction method for accurate steel pipe column installation

A technology of precise installation and construction method, applied in the direction of construction, building structure, construction material processing, etc., can solve the problems of affecting the verticality and easy deviation of steel pipe columns.

Active Publication Date: 2015-09-23
CHINA SHANXI SIJIAN GRP
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Problems solved by technology

[0003] The invention provides a precise installation and construction method for steel pipe columns to solve the technical problem that steel pipe columns are prone to offset and affect their verticality after installation

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  • Construction method for accurate steel pipe column installation

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Embodiment Construction

[0016] A construction method for precise installation of a steel pipe column, comprising the following steps:

[0017] (1) After the surveyors set out the 4 coordinates of the steel pipe column, use C20 concrete to harden the ground of the hole before construction. The hardened area is 8m2, and the hardened thickness is 40cm. Tic-tac-toe 1;

[0018] (2) When hardening the ground of the orifice, 3 U-shaped steel bar slots are pre-embedded in each corner of the hardened position corresponding to the four corners of the well-shaped frame 1, and each U-shaped steel bar slot is made of C25 steel bar , 300mm in length, 20cm below the ground and 10cm above the ground when pre-embedded. When installing the well-shaped frame 1, insert the well-shaped frame 1 into the U-shaped steel bar slot, and weld the well-shaped frame 1 with the U-shaped steel bar slot;

[0019] (3) Place the 15t mechanical jack 2 between the well-tac-toe frame 1 and the hardened ground, then put the positioner 3 ...

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Abstract

The invention belongs to the technical field of installation of steel pipe columns in engineering construction and aims at solving the technical problem that installed steel pipe columns easily shift and perpendicularity is influenced and providing a construction method for accurate steel pipe column installation. The construction method for accurate steel pipe column installation comprises the following steps of hardening the hole ground before construction, embedding U-shaped steel bar clamping grooves at the hardened positions corresponding to four corners of a well tower when the hole ground is hardened, clamping the well tower into the U-shaped steel bar clamping grooves when the well tower is installed, and welding the well tower and the U-shaped steel bar clamping grooves, arranging 15t mechanical jack at the position between the well tower and the hardened ground, then arranging a positioning device into a drilled hole, arranging the steel pipe columns in the positioning device, and respectively reserving 5 mm for the inner diameter of the positioning device and two sides of each steel pipe column body. By means of the construction method, the steel pipe column installation is performed, and the installing perpendicularity of the steel pipe columns is improved.

Description

technical field [0001] The invention belongs to the technical field of installation of steel pipe columns in engineering construction, and in particular relates to a construction method for precise installation of steel pipe columns. Background technique [0002] During the construction of the project, the verticality of the steel pipe column is generally controlled by the well-shaped frame and the positioner, and a hydraulic jack is installed between the well-shaped frame and the ground. However, in actual construction, the following problems generally exist: 1. The construction site is mostly land, and the ground is uneven and the strength is not high. The unevenness of the ground during the installation of the well-shaped frame will cause the settlement and deformation of the well-shaped frame after installation, which will cause the steel pipe column to shift after installation. 2. After the commonly used hydraulic jack is used for a long time, it may shrink and deform u...

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Application Information

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IPC IPC(8): E04G21/14E04G21/18
Inventor 卫芷刘晖刘刚穆锦峰常彦妮王续东高志奇
Owner CHINA SHANXI SIJIAN GRP
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