Construction method of stand column pile

Abstract

The invention relates to a construction method of a stand column pile. The construction method comprises the following steps: forming a pile hole according to to-be-constructed stand column pile construction; providing a reinforcement cage and a steel pipe and concentrically arranging and fixedly connecting the steel pipe and the reinforcement cage into a whole; integrally hoisting the reinforcement cage and the steel pipe above the pile hole, aligning the centers of the reinforcement cage and the steel pipe to the center of the pile hole and inserting the reinforcement cage and the steel pipeinto the pile hole; and pouring concrete into the pile hole to form the stand column pile. The concentric arrangement of the reinforcement cage and the steel pipe is ensured and deflecting and sinking of the reinforcement cage can be prevented. The problems in the prior art that the reinforcement cage is hoisted into the stand column pile hole, then the bottom end of the steel pipe is inserted into the reinforcement cage, then the reinforcement cage and the steel pipe are welded and fixed to the orifice, it is difficult to ensure that the reinforcement cage and the steel pipe are stable in position and it is difficult to ensure that the fixed steel pipe and the reinforcement cage are concentrically arranged can be solved.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a construction method for upright piles. Background technique [0002] In foundation pit support engineering, column piles are a common form of support. According to CN109403343A, the deep foundation pit support construction method of steel cage and steel pipe column combination, discloses the deep foundation pit support construction method of steel cage and steel pipe column combination, including steel cage and steel pipe, steps: 1) forming column pile holes; 2) The reinforcement cage is hung in the pile hole of the column, and the reinforcement cage is corrected and fixed; 3) Multiple steel pipes are butted in pairs to form a steel pipe column; 4) The steel pipe column is placed in the pile hole of the column, and the lower part of the steel pipe column is lowered to embed the steel cage The distance range is 2-4 meters. The steel pipe column and the steel cage form an ov...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art, to provide a construction method for upright piles, to solve the problem of welding and fixing the reinforcement cage and the steel pipe at the hole in the prior art, at this time it is difficult to ensure the stability of the reinforcement cage and the steel pipe Issue with concentric setting of steel pipe and reinforcement cage after fixing

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