[1]谢湘平,苏鹏程,王小军,等.工程弃渣泥石流易发性评估方法[J].山地学报,2016,(02):216-222.[doi:10.16089/j.cnki.1008-2786.000121]
　XIE Xiangping,SU Pengcheng,WANG Xiaojun,et al.Occurrence Probability of Channel Waste-slag Debris Flow Assessment[J].Mountain Research,2016,(02):216-222.[doi:10.16089/j.cnki.1008-2786.000121]
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工程弃渣泥石流易发性评估方法()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2016年02期
页码:
216-222
栏目:
山地灾害
出版日期:
2016-04-01

文章信息/Info

Title:
Occurrence Probability of Channel Waste-slag Debris Flow Assessment
作者:
谢湘平1; 2; 苏鹏程1; 2; 王小军1; 2; 陈自生1
1. 中国科学院水利部成都山地灾害与环境研究所/中国科学院山地灾害与地表过程重点实验室,四川 成都 610041; 2.中国科学院大学,北京 100049
Author(s):
XIE Xiangping1; 2; SU Pengcheng1; WANG Xiaojun1; 2; CHEN Zisheng1
1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Ministry of Water Conservancy/ Key Laboratory of Mountain Hazards and Surface Process, CAS, Chengdu 610041, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
工程弃渣;  泥石流;  易发性评估;  层次分析法
Keywords:
waste slag;  debris flow;  occurrence probability assessment;  Analytic Hierarchy Process
分类号:
P642.23
DOI:
10.16089/j.cnki.1008-2786.000121
文献标志码:
A
摘要:
为了对工程弃渣转化成泥石流的可能性进行评估,针对工程弃渣特点,在考虑自然沟道泥石流活动情况的基础上,叠加弃渣场局部环境特征、弃渣体堆积特征及物料特征等三方面共计12个评价指标,运用层次分析法确立指标的权重,利用黄金分割法为各指标定量赋值,通过计算弃渣泥石流易发性指数RQ来评估工程弃渣泥石流的易发性,将评价结果分成4级:高度易发、中度易发、低度易发和不易发,并通过对长江三峡巴东县黄家大沟工程弃渣泥石流与重庆奉节李家大沟弃渣泥石流易发性进行评价,结果显示黄家大沟弃渣泥石流易发性指数为0.602(偏保守估算),属于中度易发,与实际发生泥石流较符合; 李家大沟弃渣泥石流易发性指数为0.707,属于中度易发,与弃渣稳定性理论计算评价结果一致,验证了该方法的准确性和可行性。
Abstract:
In order to evaluate the probability of construction waste slag to debris flow, analyzed the characteristic of construction waste slag. Considering the activity situation of natural valley as well as the stability of waste slag field, 12 factors were choose for the assessment system based on AHP method. Defined RQ(occurrence probability index of waste-slag debris flow)as the direct index, four level was divided as highly probability(1～0.75), moderately probability(0.75～0.5), lowly probability(0.5～0.25)and little probability(0.25～0)to depict the occurrence probability degree. Two instances were used to testify the accuracy of this method. One was Huangjia valley in Dan Ba county. The RQ was 0.606, belonging to moderately probability, which was according with the reality that under consistence precipitation, waste slag debris flow was accrued in 2003. The other was Lijia valley in Chongqing Reservoir. The RQ was 0.707, which demonstrated that it is quite possible to accrue waste slag debris flow in this area. And the result was quite coincident with the theoretical calculation analyses did by Liu Fei(2010).

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备注/Memo

备注/Memo:
收稿日期(Received date):2015-10-28; 改回日期(Accepted):2015-11-21。 基金项目(Foundation item):雅康高速公路重点段泥石流危险性评估与弃渣可行性专题研究。[Monographic study on debris flow risk assessment and abandon slag feasibility along Ya-Kang highway.] 作者简介(Biography):谢湘平(1987-),女(土家族),湖南永顺县人,博士研究生,主要从事山地灾害防灾减灾技术研究。[Xie xiangping(1987-), female, born in Yongshun County, Hunan Province, Ph D student, majoring in mountain disasters prevention and mitigation technology.] E-mail:xxp_imde@163.com,Tel:18583835761
更新日期/Last Update: 1900-01-01