EMBEDDING DEVICE FOR SYNTHETIC RESIN PIPE

PROBLEM TO BE SOLVED: To provide an embedding device for a synthetic resin pipe capable of stable jacking for a long distance by a pipe-jacking method for directly embedding the synthetic resin pipe. SOLUTION: The embedding device for a synthetic resin pipe includes polyvinyl chloride pipes 2A, 2B of predetermined lengths which are embedded in the ground excavated by an excavating machine giving a propelling force by a base pressing device and connected in the propelling direction, and inner pipes 12A, 12B of predetermined lengths which are arranged in the polyvinyl chloride pipes 2A, 2B and connected in the propelling direction of the excavating machine so as to transmit the propelling force to the excavating machine. The inner pipes 12A, 12B are formed of tube bodies having spaces 28 penetrating in the shaft direction. The joint part 13 of the inner pipes 12A, 12B has a joint structure wherein the joined inner pipes 12A, 12B are connected in a bendable state. The inner pipes 12A, 12B include thrust-supporting parts 50 for supporting the propelling forces of the polyvinyl chloride pipes 2A, 2B by the inner pipes 12A, 12B at predetermined intervals within a range of allowable propelling forces of the polyvinyl chloride pipes 2A, 2B. COPYRIGHT: (C)2010,JPO&INPIT