METHOD FOR CONSTRUCTING UNDERGROUND STRUCTURE

PROBLEM TO BE SOLVED: To provide a method for constructing an underground structure, with which the underground structure can be constructed easily.SOLUTION: First, an earth retaining wall 3 is constructed outside an excavation planned location of a ground 2. Next, repeated is a step in which excavation of the ground 2 inside the earth retaining wall 3 is performed while a periphery 61 of an underground skeleton 6 is constructed along the inner surface of the earth retaining wall 3, and the periphery 61 of the underground skeleton 6 is constructed so as to continue in a depth direction. Then, a foundation skeleton 63 is constructed so as to continue with the periphery 61, and an inner part 62 of the underground skeleton 6 is constructed.SELECTED DRAWING: Figure 1 【課題】地下構造体を容易に構築できる地下構造体の構築方法を提供する。【解決手段】まず、地盤２の掘削予定箇所の外側に山留壁３を構築する。次に、山留壁３の内側の地盤２の掘削を行うとともに、山留壁３の内面に沿って地下躯体６の外周部６１を構築する工程を繰り返し、地下躯体６の外周部６１を深さ方向に連続するように構築する。その後、基礎躯体６３を外周部６１と連続するように構築し、地下躯体６の内側部分６２を構築する。【選択図】図１