DEBRIS_FLOW

作品数：285被引量：832H指数：14
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Influence of the mineralogy of fines on sediment slurrying and slurry behaviors
《Journal of Mountain Science》2025年第1期31-47,共17页SHI Guie XU Zemin WEN Yixi SU Xiao LI Bin YE Ziming MENG Jingkai 
supported by the National Natural Science Foundation of China(41931294);the National Natural Science Foundation of China-Yunnan Joint Fund(U1502232,U1033601)。
Fine debris is an important component of natural debris flows.Previous studies focused primarily on the clay minerals found in the fines,and non-clay minerals were often neglected.The effects of mineralogy of fines on...
关键词：Debris flow Fine debris MINERALOGY Clay mineral Non-clay mineral 
Modelling the temporal-varied nonlinear velocity profile of debris flow using a stratification aggregation algorithm in 3D-HBP-SPH framework
《Journal of Mountain Science》2024年第12期3945-3960,共16页HAN Zheng XIE Wendu ZENG Chuicheng LI Yange CHEN Guangqi CHEN Ningsheng HU Guisheng WANG Weidong 
supported by the National Natural Science Foundation of China(Grant No.52078493);the Natural Science Foundation of Hunan Province(Grant No.2022JJ30700);the Natural Science Foundation for Excellent Young Scholars of Hunan(Grant No.2021JJ20057);the Science and Technology Plan Project of Changsha(Grant No.kq2305006);the Innovation Driven Program of Central South University(Grant No.2023CXQD033).
Estimation of velocity profile within mud depth is a long-standing and essential problem in debris flow dynamics.Until now,various velocity profiles have been proposed based on the fitting analysis of experimental mea...
关键词：Debris flow Velocity profile Temporal varied feature NONLINEAR Stratification aggregation algorithm 
A model for the mean velocity of debris flow movement based on the minimum energy dissipation principle
《Journal of Mountain Science》2024年第12期3961-3970,共10页LI Xiangning CHEN Jiangang CHEN Xiaoqing ZHAO Wanyu CHEN Huayong ZHANG Shaoxiong 
supported by the National Natural Science Foundation of China(Grant No.41925030);the Nyingchi National Sustainable Development Experimental Zone Project(2023-SYQ-007);the Chinese Academy of Sciences Light of West China Program;the Science and Technology Research Program of Institute of Mountain Hazards and Environment,Chinese Academy of Sciences(Grant No.IMHE-ZDRW-02).
The geomorphic minimum energy dissipation principle is important in the development of gully evolutionary theory.The impact of debris flows on channels during movement also adheres to this theory.A minimum energy diss...
关键词：Debris flow Minimum energy dissipation principle Longitudinal profile evolution Mean velocity 
Influence of barrier shape on impact dynamics of debris flow entraining a boulder onto rigid barriers
《Journal of Mountain Science》2024年第12期3971-3985,共15页ZHAO Yongjie MA Yuangang LUO Gang SHEN Weigang GAO Guohui ZHAO Meng CHEN Wei 
supported by the National Key Research and Development Program of China(No.2022YFC3005704);the National Natural Science Foundation of China(No.42277143);the Natural Science Foundation of Sichuan Province(2024NSFSC0100);the Fundamental Research Funds for the Central Universities(No.2682023ZTPY022);Projects of Science and Technology Research and Development Program of China Railway Group Limited(2021-Special Class-03);the Natural Science Foundation of Sichuan Province(2024NSFSC0834).
Rigid barrier is a straightforward and effective countermeasure widely used for mitigating debris flow.However,in current designs,it remains unclear how to optimize the rigid barrier to enhance its mechanical properti...
关键词：Debris flow Rigid barrier Barrier shape Impact dynamics Numerical modelling 
A debris-flow forecasting method with infrasound-based variational mode decomposition and ARIMA
《Journal of Mountain Science》2024年第12期4019-4032,共14页DONG Hanchuan LIU Shuang PANG Lili LIU Dunlong DENG Longsheng FANG Lide ZHANG Zhonghua 
funded by National Key R&D Program of China(No.2022YFC3003403);Sichuan Science and Technology Program(No.2024NSFSC0072);Natural Science Foundation of Hebei Province(No.F2021201031);Geological Survey Project of China Geological Survey(No.DD20230442).
Infrasound,known for its strong penetration and low attenuation,is extensively used in monitoring and warning systems for debris flows.Here,a debris-flow forecasting method was proposed by combining infrasound-based v...
关键词：Debris flow infrasound Variational Mode Decomposition Sparrow search algorithm ARIMA model Hilbert transform 
Real-time debris flow monitoring and automated warning system
《Journal of Mountain Science》2024年第12期4050-4061,共12页LIU Kofei WEI Shihchao 
supported by MOA project 111AS-7.3.4-SB-S3 and 112AS-7.3.4-SB-S3.
At present,debris flow warning uses precipitation threshold and issues regional warning throughout the world.Precipitation threshold warning is less accurate and in most of the time large portion of unaffected populat...
关键词：Debris flows Real-time monitoring Event detection Automatic warning 
The effect of friction block hole configurations on the brake tribological performance of high-speed trains
《Friction》2024年第10期2241-2258,共18页Yuanke WU Wei CHEN Youguang ZHU Zaiyu XIANG Honghua QIAN Jiliang MO Zhongrong ZHOU 
the financial support of the National Natural Science Foundation of China(Nos.U22A20181 and 52305187);the Fundamental Research Funds for the Central Universities(2682024CG008).
Three triangular friction block configurations are commonly employed in high-speed train brake systems,namely,unperforated,perforated configuration with one circular hole,and perforated with three circular holes.In th...
关键词：high-speed train BLOCK brake performance wear debris flow 
Initiation and Kinematic Process of Debris Flow with the Existence of Terraced Fields at the Sources
《Journal of Earth Science》2024年第5期1613-1625,共13页Liang Yang Yang Wang Kang Liao Longfei Zhang Aiyun Chen Juan Du 
supported by the National Natural Science Foundation of China(No.42077277)。
A debris flow,with terraced fields as the source area,broke out on June 25th,2018 in the Xiaotuga area of Yunnan Province,China,and this kind of debris flow is rarely recorded.Two purposes in this study:(1)the influen...
关键词：debris flow initiation process kinematic process terraced fields engineering geology 
Lateral Shear Stress Calculation Model Based on Flow Velocity Field Distribution from Experimental Debris Flows
《International Journal of Disaster Risk Science》2024年第5期803-819,共17页Yan Yan Renhe Wang Guanglin Xiong Hanlu Feng Bin Xiang Sheng Hu Xinglu Wang Yu Lei 
financially supported by the National Natural Science Foundation of China(Grant Nos.U21A2008,42271075,and 41901008);Sichuan Nature and Science Foundation Innovation Research Group Project(Grant No.2023NSFSC1975)。
Debris flows continuously erode the channel downward and sideways during formation and development,which changes channel topography,enlarges debris flow extent,and increases the potential for downstream damage.Previou...
关键词：Debris flow Flow field distribution Lateral erosion Sidewall resistance Sidewall shear stress 
Debris flow runout behaviors considering the influences of densely populated buildings
《Journal of Mountain Science》2024年第8期2696-2712,共17页ZHANG Shuai FANG Zhe DAI Cong WANG Shuairong PENG Jingyu ZHOU Yiling SHEN Ping 
This study was funded by the National Key Research and Development Program of China(Grant No.2019YFC1806001);the National Natural Science Foundation of China(Grant No.51988101,Grant No.52278376,Grant No.42007245);the Science and Technology Development Fund,Macao SAR(File nos.0083/2020/A2 and 001/2024/SKL).
Debris flows pose serious risks to communities in mountainous areas,often resulting in large losses of human life and property.The impeding presence of urban buildings often affects the runout behavior and deposition ...
关键词：Debris flow Risk Building blockage effect Zhouqu Urban layout 
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