The procedure of construction with earth-bag cofferdam is introduced for the open-cutfoundation in deep water and sandy soil with a narrow space at Pier No.
Therefore, it is meaningful in practice that designs and calculates for open-cutfoundation from two aspects which are bury length determining and checking computation contents of foundation.
因此，从基础埋置深度的确定和基础的验算内容两方面分析明挖扩大基础的设计与计算，具有重要的实践意义。
3
Open-cut slopes of 1:0.3 gradient reinforced by soil nails and pre-stressed anchoring cables are adopted for the foundation pit of Shaoniangong station of phase 1 of Shenzhen Metro.