汶川地区震后沿线公路泥石流灾害调查研究

Investigation and Research on Debris Flow Disasters along Highways in Wenchuan Area after the Earthquake

本文通过对汶川地震震区周围泥石流的发生频度和强度等情况的调查研究,获得了2010到2019年8月,S303线映秀至卧龙公路、G213线映秀至汶川公路在遭遇暴雨诱发泥石流条件下的灾害损毁的第一手资料,总结了汶川震区因暴雨诱发泥石流灾害对公路造成的损毁原因,并根据具体原因提出了相对应的处治措施及建议。

Based on the investigation of the frequency and intensity of debris flows around the earthquake zone of theWenchuan earthquake,this paper obtained the results of heavy rains on the S303Yingxiu-Wolong Highway and G213Yingxiu-Wenchuan Highway from 2010 to August 2019.The first-hand data of disaster damage under the conditions summarized the reasons for the road damage caused by the debris flow disaster induced by heavy rain in the Wenchuan earthquake area,and put forward corresponding treatment measures and suggestions according to the specific reasons.