Earthquake Disaster Characteristics of Tunnel 109 on Baoji&mdash;Chengdu Railway and Measures for Urgent Repair and Treatment

MENG Xiang—lian

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Journal of Railway Engineering Society ›› 2009, Vol. 26 ›› Issue (6) : 91-93.

Earthquake Disaster Characteristics of Tunnel 109 on Baoji—Chengdu Railway and Measures for Urgent Repair and Treatment

MENG Xiang—lian

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Abstract

Research purposes: The”5·12 Wenchuan Earthquake”brought the mountain collapses to damage the Tunnel 1 09 and the running freight train，resulting in oil tank cars firing in the tunnel and interruption of Bali—Chengdu Railway．Whether the railway could be reopen to tratfic in short time became the focal point in urgent repair work．This paper sums up the survey and design experiences in urgent repair of the tunnel for the purpose of providing the reference to the similar work．

Research conclusions: Improvement of emergency systems is the base of urgent repair work．The scientific thoughts 0n urgent repair work is the core for guiding the urgent repair work．Rapid action and flexible working style are the principle of the urgent repair work．The perfect survey and design works for the traffic facilities in mountain area are the premises Of preventing and reducing disasters and are also the basis for studying the program of changing route．

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Tunnel 109 / earthquake disaster / collapse / urgent repair / treatment measure

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MENG Xiang—lian. Earthquake Disaster Characteristics of Tunnel 109 on Baoji—Chengdu Railway and Measures for Urgent Repair and Treatment[J]. Journal of Railway Engineering Society, 2009, 26(6): 91-93