Pile pulling guide frame and pile pulling method for waste inclined pile

Abstract

The invention discloses a pile pulling guide frame and a pile pulling method for a waste inclined pile. The pile pulling guide frame for the waste inclined pile is used for guiding a pile casing to besleeved on the waste pile at a certain interval. The pile pulling guide frame comprises a support assembly, a guide frame body and a locking device, wherein the support assembly comprises two supporting frames correspondingly positioned on two opposite sides of the guide frame body; the guide frame body is rotationally arranged between the two supporting frames, a through hole allowing the pile casing to penetrate through is formed in the guide frame body, and rotating shafts rotationally connected to the two supporting frames around the axis are fixedly arranged on the two opposite sides ofthe guide frame body correspondingly; and the locking device is used for locking the rotation of the guide frame body and is installed on the guide frame body or the supporting frames. According to the pile pulling guide frame, the waste pile body can be rapidly pulled out, and the construction cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a pile pulling guide frame and a pile pulling method for abandoned inclined piles. Background technique [0002] With the continuous development of urban construction, the shortage of construction land is a common problem. Many projects are constructed after the original project is demolished. During the reconstruction process, abandoned pile foundations often need to be pulled out. According to the size of the pile diameter, pile length and geological conditions, the traditional pile extraction process is divided into two situations: 1. For soft soil strata, the sinking casing and flip-up pulling technology are used; 2. Large-diameter hard stratum The piles are pulled out with a full-rotary drilling rig; but when encountering inclined piles (with angles), only the resonance-free double-sleeve pile pulling process can be used, which is very expensive and greatly ...

AI Technical Summary

Problems solved by technology

According to the size of the pile diameter, pile length and geological conditions, the traditional pile extraction process is divided into two situations: 1. For soft soil strata, the sinking casing and flip-up pulling technology are used; 2. Large-diameter hard stratum Pile extraction using full-rotary drilling rig; but when encountering inclined piles (with angle), only resonance-free double casing pile extraction technology can be used, which is very expensive and greatly increases construction costs

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