Laboratory study on the characteristics of large wood and debris flow processes at slit-check dams
文献类型：期刊论文
| 作者 | Chen Jiangang1,2,3 ; Wang Daozheng1,4; Zhao Wanyu2; Chen Huayong1,2,3; Wang Tao2; Nepal Nirdesh1,2; Chen Xiaoqing1,2,3
|
| 刊名 | LANDSLIDES
 |
| 出版日期 | 2020 |
| 页码 | DOI: 10.1007/s10346-020-01409-3 |
| 关键词 | Large wood Clogging characteristics Slit-check dam Debris flow Logjam breakage |
| ISSN号 | 1612-510X |
| DOI | 10.1007/s10346-020-01409-3 |
| 产权排序 | 1 |
| 文献子类 | Article;Early Access |
| 英文摘要 | Large wood (LW) in debris flows during flooding can cause significant damage to check dams, bridges, and other major infrastructure in its flow path. When LW accumulates and forms logjams, large volumes of sediment can be deposited, resulting in increased backwater. The logjams can then suddenly collapse, with the deposited sediment and accumulated water increasing the magnitude of debris-flow peak discharge. To better understand the characteristics of debris flow discharge caused by LW accumulation and collapsed logjams, as well as the associated magnitude amplification effects, a series of experiments was carried out in a laboratory experimental channel. The main purpose of this study was to analyze the process of LW accumulation and collapse and to determine the magnitude amplification ratio of the debris flow peak discharge with LW. The results revealed three types of debris flow movement with LW: flow with no clogging or breakage, flow with clogging but without breakage, and flow with both clogging and breakage. The results indicated a significant effect on the magnitude amplification ratio caused by LW clogging and breakage. The maximum magnitude amplification ratio was 1.60 in the experiments, with a relative LW length and volume of 0.875 and 0.75, respectively, during the clogging and breakage process. |
| 电子版国际标准刊号 | 1612-5118 |
| 语种 | 英语 |
| WOS记录号 | WOS:000531203100001 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/34628]  |
| 专题 | 成都山地灾害与环境研究所_山地灾害与地表过程重点实验室 |
| 通讯作者 | Chen Xiaoqing |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China; 2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Earth Surface Proc, 9,Block 4,Renminnanlu Rd, Chengdu 610041, Peoples R China; 3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China; 4.Shaanxi Inst Engn Prospecting, Xian 710068, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen Jiangang,Wang Daozheng,Zhao Wanyu,et al. Laboratory study on the characteristics of large wood and debris flow processes at slit-check dams[J]. LANDSLIDES,2020:DOI: 10.1007/s10346-020-01409-3. |
| APA | Chen Jiangang.,Wang Daozheng.,Zhao Wanyu.,Chen Huayong.,Wang Tao.,...&Chen Xiaoqing.(2020).Laboratory study on the characteristics of large wood and debris flow processes at slit-check dams.LANDSLIDES,DOI: 10.1007/s10346-020-01409-3. |
| MLA | Chen Jiangang,et al."Laboratory study on the characteristics of large wood and debris flow processes at slit-check dams".LANDSLIDES (2020):DOI: 10.1007/s10346-020-01409-3. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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