JOINT STRUCTURE OF BURIED STRUCTURE AND METHOD OF CONNECTING THE BURIED STRUCTURE

PROBLEM TO BE SOLVED: To provide a joint structure for protecting and reinforcing a flexible watertight rubber installed across two adjacent cans in the joint structure connecting, to each other, the cans forming a buried structure, and a method of reinforcing the joint structure. SOLUTION: The primary watertight rubber 20 is installed across the opening parts of the adjacent two cans 10a and 10b. At the opening center x side of the primary watertight rubber 20, a flexible secondary watertight rubber 21 is installed across the cans, and foam beads 27 are filled between the primary watertight rubber 20 and the secondary watertight rubber 21. COPYRIGHT: (C)2006,JPO&NCIPI