CASING OF INSERTING TYPE AND CONSTRUCTION METHOD FOR RETAINING WALL USING THEM

摘要

A removable casing and a waterproofing and earth retaining method using a removable casing are provided to have an excellent waterproofing effect by removing a gap between vertical holes caused by earth retaining and to have an effect on integral retaining wall construction by improving perpendicular excavation using one kind of casing. A removable casing(10) comprises a casing body(12) formed in the shape of a hollow pipe and provided with an opening(12a) cut open from the top to the bottom in the longitudinal direction at one side, and a guide projection(14) attached to the casing body and formed from the top to the bottom in the longitudinal direction on the outer circumferential surface at the opposite side of the opening of the casing body, wherein a plurality of casings are coupled continuously by coupling an opening of one casing and a guide projection of another casing.