【摘要】 在地质勘查的基础上,研究姜家沟泥石流成灾条件、机理、规模及基本特征。对多种地质条件的综合量化分析,得出其现处于中等易发状态。为减弱泥石流活动和减轻灾害损失,提出以工程措施为主、减少泥石流物源、加强监测、及时警报的对策。更多还原

【Abstract】 Based on the geological investigations,formation conditions,formation mechanism,size and characteristics are studied for the debris flows in Beichuan.The comprehensive quantitative analysis of a variety of geological conditions concludes their present state of medium-proneness.It is proposed to use constructions mainly,while reducing material sources,strengthening monitoring and offering timely warning,to control.更多还原