Roadbed piled raft structure raft bottom disengagement renovation method

• Main Authors: SONG HANFEI, ZHAO SHIYU, CHEN SHIQI, MENG CHANGJIANG, PENG ZHIPENG, CHEN ZHAN, LI YINGPING, GE ZHAIHUI, LI DAN
• Format: Patent
• Language: Chinese; English
• Published: 22.01.2021
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention provides a roadbed piled raft structure raft bottom disengagement renovation method. The method comprises the steps that the positions of tubular piles and a raft of a piled raft structure are determined; according to the positions of the tubular piles and the raft, the distribution positions of grouting holes are marked; according to the distribution positions of the grouting holes,the grouting holes are drilled; a grouting pipe is inserted into each grouting hole; and slurry is injected into the grouting pipes. According to the renovation method provided by the invention, thegrouting holes are drilled, and the grouting pipes are inserted into the grouting holes, so that the slurry can be injected into the bottom of the raft, and the problem that the bottom of the raft isdisengaged is effectively solved. 本申请提供一种路基桩筏结构筏板底部脱空的整治方法，包括：确定桩筏结构的管桩和筏板的位置；根据管桩和筏板的位置，标记注浆孔的分布位置；根据注浆孔的分布位置，钻取注浆孔；将注浆管插入注浆孔；向注浆管内注入浆料。本申请提供的整治方法，通过钻取注浆孔，并在注浆孔内插入注浆管，从而可以将浆料注入到筏板的底部，有效地解决筏板底部脱空的问题。