Taking underground continuous wall monitoring in an outer well construction of large diameter shield by artificial ground freezing method, the monitoring methods of the frost-heave pressure on underground continuous wall, the displacement at the top and the relative distortion of underground continuous wall in the outer well construction by freezing method are introduced.

The common problems in the construction of underground continuous wall and the management;

Research on the quality control points of underground continuous wall;

Analysis of effect of different membership function on calculation of fuzzy reliability in underground continuous wall;

Construction techniques of diaphragms under special conditions;

Based on the analysis of a certain retaining and protecting for deep foundation excavation,several structural schemes including piles in row,bracing system,soil nailing wall and diaphragm are compared.

This paper presents the concept of dynamic strength reliability and dynamic rigidity reliability of retaining diaphragm during construction.

Application of underground diaphragm wall in deep foundation pit support in subway stands engineering;

Underground diaphragm walls constructed in two-layered stratum;

Application of underground diaphragm wall combining with the method of center island in foundation pit engineering;

Application of H-shaped steel joint in diaphragm walls in Wuhan;

A new finite element computational model of diaphragm walls in foundation pit is presented.

Full-scale loading tests on vertical bearing capacity of deep diaphragm wall with post-installation base-grouting;

Model test and numerical analysis of diaphragm wall with hinged joints on both sides;

Construction of diaphragm wall for a circulation pump house;