Abstract：
At 3 a.m. on April 8, 2011, two tankers collided and ignited at the emergency parking strip of the up-line in the New Qidaoliang Tunnel on the Lanzhou-Lintao highway, which caused serious damage. Based on the field survey and assessment of the damaged lining structure, this paper proposes various remedial design schemes for the structures, pavement, and cable gallery. Based on the study and discussion of the remedial design schemes for the damaged tunnel structure after the "4.8 fire accident", this paper presents some new concepts regarding the design of newly-built tunnels in order to avoid the occurrence of similar disasters and provides a reference for similar projects.
2013, Vol. 50 