Method for reducing negative friction in backfill area of cast-in-situ bored pile

• Main Authors: YANG XIJING, WU ZHENG, QI XIPENG, DANG TAO, REN LIJUN, LIANG HUI, SHAO YINGGANG, YE SUXIAN, CHEN QIANG, ZHANG HAOTIAN, MIAO MIAO, LEI WEI, CAO GENG
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention relates to a method for reducing negative friction resistance in a backfill area of a cast-in-situ bored pile, which comprises the following steps: according to the current situation of backfill soil in a loess high-fill area and the construction position of a subsequent pile foundatio...