Abstract:

Through the description of the calculation and determination of erection positions, erection rules and wedge and by the analysis of the influencing factors which will affect the segment model selection and erection over shield construction, rules for segment model selection and matters needing attention during segment erection have been summed up, which ensures the quality and service life of the as-built tunnels.

Key words: shield tunnel, model selection of pipe segment, pipe segment erection, wedge calculation