STEEL PIPE COLUMN SOIL RETAINING WALL AND METHOD OF CONSTRUCTING THE RETAINING WALL

摘要

PROBLEM TO BE SOLVED: To construct a steel pipe column soil retaining wall without removing soil. SOLUTION: A plurality types of steel pipe piles 1a to 1d having screwing spiral vanes 2 provided at the bottom parts thereof with the projected positions thereof different from each other are built in the ground in order starting from one having the spiral vane provided at a lower position. Water cut-off members 10 close-fitted to both opposed steel pipe piles are press-fitted in clearances 3 between the steel pipe piles 1a to 1d to connect the steel pipe piles 1a to 1d through the water cut-off members 10.