METHOD AND APPARATUS FOR EDGING PARTITION MEMBER FOR UNDERGROUND CONTINUOUS WALL

摘要

PROBLEM TO BE SOLVED: To provide a method and apparatus capable of automatically and safely edging a partition member for an underground continuous wall. SOLUTION: The apparatus includes a support frame 1 disposed above a partition plate 30 for the underground continuous wall; center hauling jacks 2 provided in height positions where a predetermined pullout stroke length L as measured from the base part of the support frame can be secured; connecting fittings 4 for connecting the lower portion of the vertical movable member 3 of each center hauling jack 2 to the upper portion of the partition plate 30; and a controller 5 equipped with a timer 6 to draw out the partition plate 30 by actuating the center hauling jacks 2 at predetermined time intervals after placement of concrete.