Study on adverse effects of groundwater level rising induced by land creation engineering in hilly and gully area of the Loess Plateau
文献类型：期刊论文
| 作者 | Duan Xu; Dong Qi; Ye Wan-jun; Zhou Jia-lin; Oh, Erwin |
| 刊名 | JOURNAL OF MOUNTAIN SCIENCE
 |
| 出版日期 | 2019 |
| 卷号 | 16期号:12页码:2739-2753 |
| 关键词 | Water immersion test Land creation engineering Loess plateau Groundwater Subsidence |
| ISSN号 | 1672-6316 |
| DOI | 10.1007/s11629-019-5549-x |
| 文献子类 | Article |
| 英文摘要 | Land creation projects have been implemented in China to expand urban space in mountainous areas. In addition to the predictable settlement brought about by filling construction, varying degrees of land subsidence and engineering failures have a demonstrated relationship to groundwater level fluctuation induced by land creation engineering. In this work, we adopted a typical large-scale land creation project, Yan'an New City in Shaanxi province, West China, as our study area. Prior to conducting the main experiment, preliminary field investigation and groundwater level monitoring were conducted to determine the groundwater fluctuation trend induced by land creation engineering. Although a blind drainage system was implemented, the depth aspect of groundwater level changes after large-scale land creation still needed to be addressed. To study the degree of impact and the settlement mechanism induced by the rising groundwater level, we conducted a Water Immersion Test (WIT) in a typical land creation site for 107 days. The rising groundwater level was simulated by injecting water from the bottom of the filling foundation. During the WIT, the soil water content, surface subsidence, and internal settlement of soil at different depths were obtained. Surface subsidence development could be categorized into four stages during the water level increase. The second stage, which is defined as the point when the groundwater level rises to 10m, marked the critical point in the process. Furthermore, it was ascertained that the local settlement in regions that were originally composed of steep slopes is larger than that in originally flat areas. In addition, ground cracks and sinkholes in the study area were inspected; and it was determined that they would become new channels that would accelerate water infiltration and exacerbate the settlement. Based on the results from our field investigation and testing, several suggestions are proposed for land creation projects to mitigate issues associated with construction-induced groundwater level rising. |
| 电子版国际标准刊号 | 1993-0321 |
| 语种 | 英语 |
| WOS记录号 | WOS:000502451800004 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/46628]  |
| 专题 | Journal of Mountain Science_Journal of Mountain Science-2019_Vol16 No.12 |
| 推荐引用方式 GB/T 7714 | Duan Xu,Dong Qi,Ye Wan-jun,et al. Study on adverse effects of groundwater level rising induced by land creation engineering in hilly and gully area of the Loess Plateau[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(12):2739-2753. |
| APA | Duan Xu,Dong Qi,Ye Wan-jun,Zhou Jia-lin,&Oh, Erwin.(2019).Study on adverse effects of groundwater level rising induced by land creation engineering in hilly and gully area of the Loess Plateau.JOURNAL OF MOUNTAIN SCIENCE,16(12),2739-2753. |
| MLA | Duan Xu,et al."Study on adverse effects of groundwater level rising induced by land creation engineering in hilly and gully area of the Loess Plateau".JOURNAL OF MOUNTAIN SCIENCE 16.12(2019):2739-2753. |
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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