CUT OFF STRUCTURE OF AXIAL JOINT OF STEEL SEGMENT

摘要

PROBLEM TO BE SOLVED: To enhance a cut off property in an axial joint of a steel segment. SOLUTION: An insert part 32 with an inscribed short pipe 321 is formed at one edge side of the steel segment 1, and a socket 31 in which the inscribed short pipe 321 is inserted is formed at the other edge side. A water expandable sealant 33 is stuck on either the insert part 32 or the socket 31 to form the axial joint.