The application of jacked culvert technology in cable tunnel construction;

Research on the feasibility of jacking culvert underneath pass railway;

The construction technology of jacking culvert of Wu-Kang add building the second line;

Brief talk on constructional technique of railway jacking culvert;

The vehicle tunnels adopt box culvert advancing scheme under overlength pipe shed,which is the first case to underpass the west L-taxiway of Beijing Capital International Airport without suspending air service during construction in China.

The main body of this paper is the analysis of this problem, and indicates the factor of the box culvert advancing forward to the ground settlement and how to control it.

Taking the project of the highway from Zhengzhou to Kaifeng city applying the method of box-culvert advancing as an example, the mechanics action mechanism of the big cross section box-culvert advancing is analyzed.