PROBLEM TO BE SOLVED: To provide an underground support structure for an underground structure and a supporting method capable of greatly facilitating the construction work in comparison with the conventional one, reducing a construction cost including construction land purchasing expenses or the like and, at the same time, dynamically constructing a high reliable structure.;SOLUTION: A large number of tendon 10a are slantly constructed between an underground tower 6 constructed in the ground and a girder part 5a of the underground structure 1 such as a tunnel or the like, and the underground structure 1 is slantly pulled toward the underground tower 6 by the tendon 10a and is supported.;COPYRIGHT: (C)2005,JPO&NCIPI
展开▼
