Construction method for regulation of floor heave of tunnel inverted arch

Abstract

The present invention belongs to the technical field of tunnel construction, and particularly to a construction method for regulation of floor heave of a tunnel inverted arch. Aiming at the situation that a part of an inverted arch that has been constructed cannot continue to bear or affects the use due to the structural action of high ground stress or active fault, to restore the passage of the tunnel as soon as possible, the technical solutions of the present invention adopt the idea of stepped replacement, complete the full-ring replacement and expand excavation of a target section, and re-perform the construction of the primary bracing and the secondary lining of the tunnel.

Images