Abstract:

The risk factors and risk influence degrees in shield boring are analyzed, with the shield boring underneath buildings with super high risks from Shuishang North Road Station to Wujiayao Station on Line 3 of Tianjin Metro as an example, so as to control the environmental risks in shield boring underneath buildings. In the critical boring stage, the earth pressure and the grouting are well controlled. In the end, the settlement of the buildings is well controlled. The paper can provide reference for similar projects in the future.

Key words: shield, boring underneath buildings, risk control, settlement control, informationaided construction