INTEGRAL COUPLING STRUCTURE FOR EARTH RETAINING MATERIAL AND SOIL IMPROVING BODY WITH HOLLOW CORE MATERIAL MADE OF SYNTHETIC RESIN, CONSTRUCTION METHOD FOR INTEGRAL COUPLING STRUCTURE, AND INTEGRATION STRUCTURE AND ANCHORING METHOD FOR CASING AND SYNTHETIC-RESIN HOLLOW CORE MATERIAL OF SOIL IMPROVING BODY

摘要

PROBLEM TO BE SOLVED: To provide an integration structure of a casing and a hollow core material of a soil improving body, which enables the use of a cylindrical casing, and which can be anchored to an earth retaining material without the protrusion of a core material from an end of the casing. SOLUTION: The casing 6 is the cylindrical one with an inside diameter large enough to allow the storage of the end of the core material on a side where the core material 4 is expanded by driving a wedge 11 with a cone part into a cut part 5 of the core material 4; its outer periphery is provided with a screw part 7 capable of being screwed into a nut 13; and a ring-shaped protrusion 8 is provided on an inner periphery to the inside, where a margin large enough to enable the mounting of an O-ring 12 is left on the inside of the end to the soil improving body. The core material 4 of the soil improving body 1 is inserted into the casing; the core material is brought into an expanded state by driving the wedge 11 into the end of the core material; and the inside of the casing is filled with a resin 14; and the core material and the casing are integrated together. COPYRIGHT: (C)2005,JPO&NCIPI