[1]胡云峰,肖明砾,谢红强,等.基于统计分析方法的堰塞坝关键几何参数确定[J].自然灾害学报,2021,30(03):122-132.[doi:10.13577/j.jnd.2021.0314]
 HU Yunfeng,XIAO Mingli,XIE Hongqiang,et al.Statistical analysis and efficient dam key geometric parameters modelling of landslide dams based on database[J].,2021,30(03):122-132.[doi:10.13577/j.jnd.2021.0314]
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基于统计分析方法的堰塞坝关键几何参数确定
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
30
期数:
2021年03期
页码:
122-132
栏目:
出版日期:
2021-06-28

文章信息/Info

Title:
Statistical analysis and efficient dam key geometric parameters modelling of landslide dams based on database
作者:
胡云峰1 肖明砾1 谢红强1 罗渝2
1. 四川大学 水力学与山区河流开发保护国家重点实验室, 四川 成都 610065;
2. 中国科学院水利部成都山地灾害与环境研究所, 四川 成都 610041
Author(s):
HU Yunfeng1 XIAO Mingli1 XIE Hongqiang1 LUO Yu2
1. State Key Lab. of Hydraulics and Mountain River Eng., Sichuan University, Chengdu 610065, China;
2. Institute of Mountain Hazards and Environment, CAS, Chengdu 610041, China
关键词:
地质灾害堰塞坝特征分析几何参数相关性分析快速评估
Keywords:
geological hazardsbarrier damscharacteristic analysisgeometric parameterscorrelation analysisrapid assessment
分类号:
P642;X4
DOI:
10.13577/j.jnd.2021.0314
摘要:
滑坡堵江灾害在我国频繁发生,一旦溃决将造成巨大危害。堰塞坝坝体几何参数在滑坡堵江整体状态评估中占据关键地位,然而滑坡现场极不稳定,容易发生二次灾害,无法对堰塞坝坝体几何参数进行准确快速的勘察,如何利用有限的现场资料进行堰塞坝坝体关键几何参数的快速评估显得尤为关键。基于收集到的我国滑坡堵江频繁区域的滑坡堵江案例的近百例数据资料,进行堰塞坝几何特征分析和几何关键参数的相关性分析,建立坝体关键几何参数快速评估公式,并将公式应用于沙子坝堰塞坝的关键几何参数评估,基于本文所提方法得到的坝体几何参数计算结果和实际情况较为吻合。研究结果表明本文所提公式能够实现对滑坡堵江堰塞坝关键几何参数的快速评估,对堰塞坝的成灾规模预测和灾后应急处理具有一定的理论参考价值。
Abstract:
Landslide damming of river occurs frequently in China, once breaks, will cause great harm. The geometric parameters of the barrier dam are the key points in the overall evaluation of the landslide dams. However, the landslide dams are of great instability, they are very likely to break the secondary disaster, and the geometric parameters of the barrier dam cannot be surveyed accurately and quickly. It is particularly critical to rapidly assess the key geometric parameters of the barrier dam with limited data. Based on the collected database of nearly a hundred cases of landslide dams in the frequent areas of Chinese landslide dams, analyze the geometric characteristics of the barrier dams and the correlation of the geometric key parameters, establish the rapid evaluation formula of the key geometric parameters of landslide dams. The formula is applied to the evaluation of the key geometric parameter value of the Shaziba landslide, and the calculation result of the dam geometric parameter value based on database is consistent with the actual situation. This research shows that the formula proposed can realize the rapid assessment of the key geometric parameters of the landslide dams, and have certain theoretical reference value for the prediction of the scale of landslide dams and the emergency treatment after the landslide.

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备注/Memo

备注/Memo:
收稿日期:2020-09-29;改回日期:2021-02-07。
基金项目:国家重点研发计划项目(2017YFC1501100);四川大学水力学与山区河流开发保护国家重点实验室开放基金(SKHL1918)
作者简介:胡云峰(1997-),男,硕士研究生,主要从事地质灾害研究.E-mail:957190319@qq.com
通讯作者:肖明砾(1981-),男,副教授,博士,主要从事地下工程、高边(滑)坡地质灾害、岩土基础与结构稳定性的试验监测、理论分析、数值模拟方面的研究.E-mail:xiaomingli@scu.edu.cn
更新日期/Last Update: 1900-01-01