Japan, Feb. 27 -- CHEMICAL GROUTING CO LTD has got intellectual property rights for 'WATER CUT-OFF METHOD OF ANCHOR HOLE MOUTH.' Other related details are as follows:

Application Number: JP,2022-071377

Category (FI): E02D5/80@Z

Stage: PROBLEM TO BE SOLVED: To provide the water cut-off method of an anchor hole mouth more simply and stably, in place of the conventional water cut-off method of using a water cut-off material.SOLUTION: In a ground anchor construction method, an anchor hole 18 is drilled in ground 34 by sequentially inserting multiple casings 10 into a water cut-off box 12 jointed to the outer surface of a soil wall 22, cement milk 42 is filled into the anchor hole 18 and a tendon 40 is inserted, then, the casings 10 are pulle...