The Analysis And Study On Designing Of Retaining And Protecting For Foundation Excavation

Retaining and protecting for foundation excavation is a systematic engineering which characterized by complexity. The choice of its supporting system plays an important role in the whole engineering and has a direct influence on the process, construction cost and quality, however, it is often one-side and subjective nowadays. Therefore, it is very necessary and meaningful to work out an objective, reasonable and practicable way of choosing the best supporting system, which actually should consider all the goals just like safety, convenience. The article introduced the concept of the soil nailing ,the application of the soil nailing wall on the analysis of the role of soil nails and the characteristics of soil nailing and on the concept and characteristics of the composite soil nails.In this paper, it completed the following work: introduce some common deep foundation Pit in the form of support and development prospects, systematically introduced the deep foundation pit of the design process, combining engineering example, introduced a deep foundation pit support of the design and Some of the problems should be considered in construction, at last, Give some advice of development of deep foundation pit support.