This paper analyzes the reasons for shrinking diameter and sinking hole of deep bored pile in soft foundation zone based on an example of deep bored pile in soft foundation zone for Dongxihu Interchange Bridge of Wuhan city detour road,sums up some practical,protective and technical measures and experience in resolving prolbems.

The application of high pressure spraying pile in littoral area soft foundation reinforcement in Hainan

Analysis on pile foundation technology of multistory building in soft soil area

Through one district project design practice,it makes the analysis and appraisal to get the compositing pile foundation design by using settlement control methods in soft soil area,discusses the common action principles of pile,soil,and cushion cap,to supply reference to the design of pile foundation in similar area after.

The paper desribes how to choose a reasonable supporting design and earth excavation plan for garanteeing not only safety and reasonable,but also ecenomic construction,com- bined with enginening practice,some problems in foundation pit supporting and earth excavation process in soft soil area are analysed and a lot of beneficial results h.

According to the factual data,the problem of soft soil settlement in the process of constructing the freeway is simulated with FLAC~(3D).

In this paper, a computation method for retaining structure of deep excavation in soft soil considering construction steps is put forward.

Design for deep excavation retaining in soft soil region;

How to control and deal with the displacement in soft soil region has become a very important problem.