峨眉山5·2崩塌灾害及防治措施

Slope Failure Disaster on May 2,2005 in Emei County and the Preventive Measures

2005年5月2日峨眉山风景名胜区内通往主景点的公路边坡暴发了一次崩塌灾害,崩塌土方量约4 000m3,灾害导致大量旅客滞留,对旅游业造成了一定的损失。5.2公路边坡崩塌灾害不是偶然形成的,而是地质因素、地貌因素、气象因素和人类活动影响因素综合作用的结果;是激发因素——暴雨、开采石灰石挖空山体的不合理经济活动、有利的地质条件——两地层交接部位和地形条件——山高坡陡等综合作用的结果。针对本区的社会条件和自然条件,提出了防灾、减灾对策,具体分为应急处理和远期治理。

A slope failure event took place by the highway in the Emei scenic region on May 2, 2005. Its volume is 4 000m3. It stopped a lot of tourists there and resulted in some loss to local tourist business. The slope failure on May 2 is not a haphazard. The investigation indicates that it is due to geological, geomorphic and meteorological factors and human activities. It is jointly resulted from rainstorm as triggering factor, unreasonable economic activities like limestone quarry that hollows the mountain, favorable geological condition like joint section of two strata and high and steep mountain slope. To this condition, the strategy for disaster prevention and reduction is put forward, including emergency treatment and long-term disaster control program.