DEBRIS

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Predicting the penetration of long rods into semi-infinite metallic targets被引量：6
《Science China(Technological Sciences)》2013年第11期2814-2820,共7页HE Yu WEN HeMing 
supported by the National Natural Science Foundation of China(Grant No.11172298)
Analytical equations are presented herein to predict the penetration of semi-infinite metallic targets struck normally by long rods at high velocities for Yp
关键词：PENETRATION long rod eroded debris semi-infinite metallic target 
Preliminary survivability analysis of manned spacecraft following orbital debris penetration被引量：6
《Science China(Technological Sciences)》2009年第5期1455-1458,共4页ZHANG Yong HAN ZengYao LI Ming ZHENG ShiGui 
Meteoroid and orbital debris(M/OD) may cause severe damages or even catastrophic failures for long-term manned spacecrafts in orbit due to the hypervelocity impact(HVI) destruction.It is essential to quantitatively as...
关键词：Meteoroid/Orbital DEBRIS MODAOST MANNED spacecraft CATASTROPHIC failure modes risk assessment 
Debris flow prevention pattern in national parks Taking the world natural heritage Jiuzhaigou as an example被引量：8
《Science China(Technological Sciences)》2003年第z1期1-11,共11页CUI Peng, LIU Suqing, TANG Bangxing & CHEN Xiaoqing Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, Chengdu 610041, China 
With the development of the ecological tourism, how to control debris flow in national parks becomes an urgent problem. The characteristics of prevention of the debris flow in the areas are systematically studied, and...
关键词：national park  DEBRIS flow  countermeasure  PREVENTION pattern. 
Risk and size estimation of debris flow caused by storm rainfall in mountain regions被引量：3
《Science China(Technological Sciences)》2003年第z1期12-19,共8页CHENG Genwei Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, Chengdu 610041, China 
This work was supported by the Knowledge Innovation Project, Chinese Academy of Sciences (KZCX2-SW-319);the National Natural Science Foundation of China (Grant No. 30271042).
Debris flow is a common disaster in mountain regions. The valley slope, storm rainfall and amassed sand-rock materials in a watershed may influence the types of debris flow. The bursting of debris flow is not a pure r...
关键词：DEBRIS flow  periodicity  estimating method. 
Calculation of the debris flow concentration based on clay content被引量：6
《Science China(Technological Sciences)》2003年第z1期163-174,共12页CHEN Ningsheng, CUI Peng, LIU Zhonggang & WEI Fangqiang Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, Chengdu 610041, China 
The debris flow clay content has very tremendous influence on its concentration (γC). It is reported that the concentration can be calculated by applying the relative polynomial based on the clay content. Here one po...
关键词：CLAY content  DEBRIS flow  concentration. 
Optimized design model for sediment-trapped dam by GIS techniques
《Science China(Technological Sciences)》2003年第z1期175-187,共13页LI Fabin, TU Jianjun & HU Kaiheng Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, Chengdu 610041, China 
This work was suported by the National Natural Science Foundation of China(Grant No.40201009).
The sediment-trapped dam (STD) is one of the major engineering measures in preventing debris flow, while the design of such an STD has been proven as the most complicated systematic engineering. Supported by geographi...
关键词：DEBRIS flow  sediment-trapped dam  GEOGRAPHICAL INFORMATION system  optimized design  model. 
Particle support mechanism in viscous debris flows at Jiangjia Ravine,Yunnan,China被引量：3
《Science China(Technological Sciences)》1999年第5期550-555,共6页王裕宜 费祥俊 
Project supported by the National Natural Science Foundation of China (Grant No. 49671008).
Hyperconcentrated viscous debris flows can move rapidly on low-gradient ravine under shear, because they have highly excessive pore pressure. The relationship between excessive pore-pressure (P e ) and volume concentr...
关键词：DEBRIS FLOW PARTICLE SUPPORT EXCESSIVE pore-pressure. 
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