| 摘要 |
PURPOSE: A top-down construction method of an underground structure by supporting the entire surface of a retaining wall and an uneven surface-corresponding mold used in the same are provided to stably support the entire surface of a retaining wall since pillars are continuously constructed along the retaining wall. CONSTITUTION: A top-down construction method of an underground structure by supporting the entire surface of a retaining wall comprises the following steps. A retaining wall and an inner pillar are constructed. The inner ground of the retaining wall is drilled. A first bracket, a support beam, a steel beam, a second bracket are installed. A pillar bottom mold, a deck plate, and an open type earth pressure transfer body are installed. A pillar(520) and a slab(530) are constructed. The steps are repeated, the frame of the underground structure is completed except an underground outer wall. |
