Characteristics of Qingniutuo river collapses and the stability evaluation of barrier lake dam

During 2008-5.12 earthquakes earthquake-stricken area earth's surface deformation is enormous,the ecological environment destroys gravely.The geology disaster that the earthquake causes to happen is threatening disaster area safety of the lives and property of the people,the main disaster form appearing epicenter area is that the side slope slumping and slumps accumulate the body stopping up a river(road).The paper illustrated the essential characteristics of Qingniutuo river collapses,has analyzed it's forming mechanism and the threat coming into being,then at last has brought forward the prevention and cure countermeasure in a manner appropriate to local conditions.Valuation and prevention and cure have provided a set of entire technology train of thought to the geology disaster under adverse circumstances,also,other,has provided a reference for similarity condition moves downwards hereafter.