Application manner of the bearing capacity improvement post which

摘要

PROBLEM TO BE SOLVED: To enhance the bearing power of a pile without increasing the length of the pile or using a special device. ;SOLUTION: An H-section 1 on which a guide pipe 3 extending to near its end is mounted is pushed into the ground by driving or vibration, and after soil in the guide pipe 3 is removed, a rod 4 is passed through the guide pipe 3. A hardener is ejected at high pressure through the rod 4 and agitated to form a consolidator at the end of a pile. After a hole for a cast-in-lace pile is bored, a reinforcing cage fitted with a plurality of guide pipes each extending to near an end is built therein, and after concrete is placed and hardened, a rod is passed through each guide pipe. A hardener is ejected at high pressure through the rods and agitated to construct a consolidator at an end portion.;COPYRIGHT: (C)1999,JPO