Device for pulling out cast-in-place pile

• Main Authors: ZHOU HUI, YANG YUNHUA, TANG YIYUE, CHEN JINGFENG, FANG BIN
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2020
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model discloses a device for pulling out a cast-in-place pile. Including a full casing, wherein the full sleeve is a hollow circular pipe which is vertically arranged; a joint connected with a rotary power device is arranged at the upper end of the base; a plurality of sawteeth are uniformly distributed at the lower end of the saw blade along the circumferential direction; a pluralityof sawteeth are uniformly distributed on the lower edges of the outer wall and the inner wall along the circumferential direction; a plurality of high-pressure guniting devices are uniformly distributed on the inner wall of the full sleeve close to the lower end of the full sleeve along the circumferential direction; a discharge port of the high-pressure guniting device is arranged downwards; thegrouting pipes are respectively communicated with a slurry storage device through grouting pipes arranged on the inner side wall of the full sleeve; wherein the lower end of each grouting pipe is communicated with a material r