Laboratory Investigation of the Effect of Initial Dry Density and Grain Size Distribution on Soil–Water Characteristic Curves of Wide-Grading Gravelly Soil
文献类型：期刊论文
| 作者 | Chen Xiaoqing1 ; Hu Kai1,2; Chen Jiangang1; Zhao Wanyu1
|
| 刊名 | Geotechnical and Geological Engineering
 |
| 出版日期 | 2018 |
| 卷号 | 36期号:2页码:885-896 |
| 关键词 | Soil–water characteristic curves Widegrading gravelly soil Initial dry density Grain size distribution |
| ISSN号 | 0960-3182 |
| DOI | 10.1007/s10706-017-0362-1 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | Wide-grading gravelly soils are often encountered in debris flow source areas. To perform stability analyses under rainfall conditions the soil–water characteristic curves (SWCC) are significant. However the studies for SWCC of wide-grading gravelly soils are rare. In order to investigate the effects of initial dry density and grain size distribution on the SWCCs of wide-grading gravelly a large-scale osmotic column allowing the measurement of both volumetric water content and matric suction at various levels was fabricated for a series of osmotic column tests. The test data were best-fitted to Van Genuchten equation using a least-squares algorithm and found that both the initial dry density and grain size distribution had a greater effect on the SWCCs. An increase in the initial dry density resulted in an increase in water retention capacity. The air entry value and residual volumetric water content increased linearly with increases in the initial dry density whereas the maximum slope of SWCC decreased linearly with increases in the initial dry density. The air entry value and residual volumetric water content increased linearly with increases in the fine content (particle diameter 10. © 2017 Springer International Publishing AG. |
| 电子版国际标准刊号 | 1573-1529 |
| 语种 | 英语 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/25554]  |
| 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 | Hu Kai |
| 作者单位 | 1.CAS Key Laboratory of Mountain Hazards and Surface Processes Institute of Mountain Hazards and Environment Chinese Academy of Sciences #9 Block 4 Renminnanlu Road Chengdu ;610041 China ; 2.University of Chinese Academy of Sciences Beijing ;100049 China |
| 推荐引用方式 GB/T 7714 | Chen Xiaoqing,Hu Kai,Chen Jiangang,et al. Laboratory Investigation of the Effect of Initial Dry Density and Grain Size Distribution on Soil–Water Characteristic Curves of Wide-Grading Gravelly Soil[J]. Geotechnical and Geological Engineering,2018,36(2):885-896. |
| APA | Chen Xiaoqing,Hu Kai,Chen Jiangang,&Zhao Wanyu.(2018).Laboratory Investigation of the Effect of Initial Dry Density and Grain Size Distribution on Soil–Water Characteristic Curves of Wide-Grading Gravelly Soil.Geotechnical and Geological Engineering,36(2),885-896. |
| MLA | Chen Xiaoqing,et al."Laboratory Investigation of the Effect of Initial Dry Density and Grain Size Distribution on Soil–Water Characteristic Curves of Wide-Grading Gravelly Soil".Geotechnical and Geological Engineering 36.2(2018):885-896. |
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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