汶川地震震后都汶公路的恢复与重建

在汶川地震及其次生山地灾害的共用作用下,地震灾区的道路损毁非常严重.汶川地震发生后,政府及相关部门立即组织地震灾区道路的抢通以及恢复与重建工作.都汶公路是汶川地震的抗震救灾的"生命线",是汶川地震受损最严重的山区道路之一.以都汶公路为例,介绍都汶公路路基、路面、桥梁、隧道等损毁情况以及恢复与重建.对于影响都汶公路通行的边坡地质灾害,在通过对边坡地质灾害的现场调查后,确定都汶公路首批恢复与重建的42处边坡处治路段及处治措施,并在9处路段通过修建明洞来预防边坡地质灾害.

Restoration And Reconstruction Of Du-wen Highway

Under the action of earthquake and its induced geo-hazards, the roads in the earthquake areas were damaged seriously. The restoration and reconstruction of the roads were launched immediately by the government and relative departments after wen-chuan earthquake.Du-wen highway is an important lifeline of earthquake resistance and disaster relief of 5.12 Wenchuan Earthquake ,and it is one of the most serious damaged roads in the earthquake areas . Taken the du-wen highway as an example, the damaged condition about subgrade, bridges, tunnels was described in detail ,and the restoration and reconstruction of du-wen highway were introduced concretely in this paper. Through the investigation of geo-hazards on slopes, different control measures were chose to geo-hazards for the slopes of forty-two sections. Moreover, nine cut-and-cover tunnels were constructed in nine sections.