Treatment method of soft soil foundation in high-grade highway;

Discussion on the settlement calculation method of treating soft soil foundation using sand drain preloading method;

Analysis of the effect of geotextile in reinforcing soft soil foundation;

Analysis of action mechanism of treating soft foundation with vacuum preloading;

Disease and prevention of the pile foundation abutment displacement on the soft foundation;

Application and analysis of DJM technology in the soft ground of large oil tank construction;

Discussion on application of preloading method in soft ground post construction settlement;

Simulation of settlement of soft ground of highway by FLAC~(3D);

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.

The paper introduces the characteristics, the key points in the design and the technical measures in construction of drainage piping network laying project in soft soil area.

Deformation behavior of soft soil ground under explosive loading;

Finite element analysis of road widening on soft soil ground;

Discussion on serviceability of soft soil ground engineering characteristic and ground processing method;