Structural Stability Study on the Location and Installation form of H-beam Backfill Applied to Top-Down Construction Method

역타공법에 적용되는 뒷채움재 위치 및 설치 형태에 대한 구조 안정성 연구

Top-Down construction method is a method of connecting a beam to a column and using a strut to support earth retaining walls. This method has the advantage of reducing the process of underground construction by reducing the work of installation. Recently, there are a lot of cases of damage and defect occurring in H-beam backfill applied to Top-Down construction method and the concrete slab supporting H-beam backfill. For this, appropriate methods were suggested through finite element analysis of the position and installation form of the H-beam backfill.