| 摘要 |
<p>PURPOSE: A structure for underground excavation and an underground excavation method are provided to improve construction quality by using a standardized structure and to facilitate excavation by removing complex processes. CONSTITUTION: A structure for underground excavation comprises an excavation unit(50), a segment assembly(30), and guide frames(11,12,13,14). The excavation unit excavates and descends by the load of segments. The segment assembly is provided on the top of the excavation unit and applies the load to the excavation unit. The guide frames support the segments and guides them to the excavation direction.</p> |
