Wall passage making process, involving using driving tube as protective tube passing through ground region into core boring

摘要

The wall passage making process includes (1.1) making a core boring for a protective tube, which is a driving tube (1.4), passing through the ground region into the core boring. After building in the filling device with seals, the annular cavity between the driving tube and the core boring is filled with pouring mass. The inner seal is replaced with a permanent seal.