德宏州盈江县苏典乡勐嘎村勐嘎小河泥石流治理工程与效果评价  

DEBRIS FI OW CONTROL PROJECT AND EFFECT EVALUATION OF MENGGA RIVER IN MENGGA VILLAGE,SUDIAN TOWNSHIP YINGJIANG COUNTY,DEHONG PREFECTURE

作　　者：蒋林虹 杨林 徐文杰 JIANG Lin-hong;YANG Lin;XU Wen-jie(Yunnan Geological Engineering Second Investigation Institute Co.LTD,Kunming 650218,China)

机构地区：[1]云南地质工程第二勘察院有限公司,昆明650218

出　　处：《地质灾害与环境保护》2023年第2期18-22,共5页Journal of Geological Hazards and Environment Preservation

摘　　要：德宏州盈江县苏典乡勐嘎村勐嘎小河泥石流历史上曾多次暴发不同规模的泥石流灾害。曾堵塞桥涵,淤埋田地,严重影响当地居民的正常生活、生产秩序,对勐嘎村居民带来了严重的经济损失。经过调查,通过对勐嘎小河流域内地质环境特征、地形地貌、沟床特征、物源情况、“7.18”泥石流灾害特征、治理工程及灾后治理工程运行情况等综合分析,对治理工程的效果进行评价。研究显示:勐嘎小河泥石流治理措施采用“上游拦挡+下游排导”的系统性治理手段,再经历4个雨季和“7.18”特大暴雨的考验后,经过调查评价,结合定性分析,该项目治理工程发挥了较好的治理效果。对德宏州盈江地区泥石流灾害项目的治理和评价具有较好的参考意义。Mud-rock flow in Mengga Village,Sudian Township,Yingjiang County,Dehong Prefecture has occurred many times in history.It has blocked Bridges and culvert and buried fields,seriously affecting the normal life and production order of local residents and bringing serious economic losses to mengga village residents.Through investigation and comprehensive analysis of the characteristics of geological environment,landform,gully bed,provenance,the characteristics of"7.18"debris flow disaster,the control project and the operation of the control project,the effect of the control project was evaluated.The research shows that:mengga River debris flow control measures adopted"upstream blocking+downstream drainage"systematic governance means,after four rainy seasons and"July 18"heavy rain test,through investigation and evaluation,combined with qualitative analysis,the project has played a good governance effect.It has a good reference significance for the management and evaluation of debris flow disaster projects in Yingjiang area of Dehong Prefecture.

关 键 词：泥石流 灾害特征 工程治理 运行效果评价 

分 类 号：P642.23[天文地球—工程地质学]