随着城市建设规模的不断升级，地面空间的日趋饱和，人们开始把目光转向地下

With the construction scale of urban escalating, increasingly saturated floor space, people began to look to seek underground space of urban development, namely the development and utilization of urban underground space. The underground space development and construction of the first is the excavation. With the underground space development level of the deepening, increasing scale excavation, construction of the increasingly high technical requirements, especially in complex geological and hydrological conditions of the environment, how to solve the Pit protection aspects of the problem are the main problems faced by the construction pit. Herein systematically introduced into a stirred tank saw applications i.e. Underground Continuous Wall pit supporting the TRD construction method.

With the continuous upgrading of the scale of urban construction and the increasing saturation of the ground space, people begin to turn their attention to the space of underground urban development, that is, to develop and utilize the urban underground space. And the development and construction of underground space is the first to be the foundation pit project. With the deepening of the development level of underground space, the scale of the foundation pit project is getting bigger and bigger, and the construction technology is demanding more and more, especially in various complicated geological conditions and hydrological environment, how to solve the problem of foundation pit support reasonably is the main problem facing the foundation pit construction. This paper introduces the application of TRD workmethod, i.e. saw ingesting into underground continuous wall, in the support of the pit.

With the continuous upgrading of urban construction scale and the increasing saturation of ground space, people began to turn their attention to the underground to seek the space for urban development, that is, the development and utilization of urban underground space. And the development and construction of underground space is the foundation pit project. With the development of underground space, the scale of foundation pit is getting larger and larger, and the requirements of construction technology are getting higher and higher. Especially in various complex geological conditions and hydrological environment, how to reasonably solve the problems of foundation pit support is the main problem of foundation pit construction at present. This paper systematically introduces the trd method, that is, the application of sawing groove and mixing into diaphragm wall in foundation pit support.<br>