| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a construction method for an underground structure, which is adequate for construction under such conditions that a concrete placing time zone and a working overhead space are restricted. <P>SOLUTION: The construction method for the underground structure includes a first skeleton construction step of forming a concrete skeleton A, a drilling step of drilling down a ground on the lower side of the concrete skeleton A, and a second skeleton construction step of providing a plurality of steel segments 20, 30, 40, 50, 60 side by side on the lower side of the concrete skeleton A, and joining the adjacent steel segments 20, 30, 40, 50, 60 together to form a steel shell skeleton B. <P>COPYRIGHT: (C)2012,JPO&INPIT |
