IDEAS home Printed from https://ideas.repec.org/a/gam/jlands/v11y2022i8p1372-d894608.html
   My bibliography  Save this article

Physical Model Test on the Interface of Loess Fill Slope

Author

Listed:
  • Weijia Tan

    (Department of Geological Engineering, Chang’an University, Xi’an 710054, China
    Key Laboratory of Western China′s Mineral Resources and Geological Engineering, Ministry of Education, Chang′an University, Xi′an 710054, China)

  • Qiangbing Huang

    (Department of Geological Engineering, Chang’an University, Xi’an 710054, China
    Key Laboratory of Western China′s Mineral Resources and Geological Engineering, Ministry of Education, Chang′an University, Xi′an 710054, China)

  • Xing Chen

    (Department of Geological Engineering, Chang’an University, Xi’an 710054, China
    Key Laboratory of Western China′s Mineral Resources and Geological Engineering, Ministry of Education, Chang′an University, Xi′an 710054, China)

Abstract

The interface between the filling slope and the original slope is inevitable in the process of building a city in the loess area, which will affect the deformation and stability of the filling slope. In this paper, the loess fill slope of mountain excavation and city construction project in Yan’an City, China, is taken as the research object, and, based on field investigation and sampling, the effect of Loess Fill Slope Interface (LFSI) under rainfall is revealed by physical model test. The test samples were taken from a Loess Fill in Qilipu community, Yan’an, and three layers of sensors were arranged at the left and right interfaces of the original slope and the filled slope to monitor the water content, pore water pressure and deformation and failure characteristics during the experiment. The results show that ILFS is a rainfall dominant seepage channel, and the infiltration of rainfall along the interface lags behind. In addition, the variation laws of water content and pore water pressure at the interface between fill slope and original slope under rainfall are obtained. Finally, the failure process of loess fill slope under rainfall is summarized: local mud flow failure at the toe of the slope → erosion in the middle of the slope → crack initiation on the shoulder of the slope → local slip on the slope → crack propagation on the shoulder of the slope → shallow slip on the shoulder of the slope, and the instability mechanism of loess fill slope under rainfall is further revealed. The research results can provide theoretical and experimental reference for the protection of fill slopes in loess areas.

Suggested Citation

  • Weijia Tan & Qiangbing Huang & Xing Chen, 2022. "Physical Model Test on the Interface of Loess Fill Slope," Land, MDPI, vol. 11(8), pages 1-17, August.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:8:p:1372-:d:894608
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/2073-445X/11/8/1372/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/2073-445X/11/8/1372/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Xiaowu Pu & Lanmin Wang & Ping Wang & Shaofeng Chai, 2020. "Study of shaking table test of seismic subsidence loess landslides induced by the coupling effect of earthquakes and rainfall," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(1), pages 923-945, August.
    2. Peiyue Li & Hui Qian & Jianhua Wu, 2014. "Environment: Accelerate research on land creation," Nature, Nature, vol. 510(7503), pages 29-31, June.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Linlu Zhou & Lei Su & Zhuang Wang & Dongchun Zhu & Wei Shi & Xianzhang Ling, 2023. "Slope Stability and Effectiveness of Treatment Measures during Earthquake," Sustainability, MDPI, vol. 15(6), pages 1-15, March.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Jianhua Wu & Ningning Yang & Peiyue Li & Chunliu Yang, 2023. "Influence of Moisture Content and Dry Density on the Compressibility of Disturbed Loess: A Case Study in Yan’an City, China," Sustainability, MDPI, vol. 15(7), pages 1-16, April.
    2. Xinliang Xu & Hongyan Cai & Daowei Sun & Lan Hu & Kwamina E. Banson, 2016. "Impacts of Mining and Urbanization on the Qin-Ba Mountainous Environment, China," Sustainability, MDPI, vol. 8(5), pages 1-15, May.
    3. Yuming Wu & Hengxing Lan, 2022. "Study on the Deformation of Filling Bodies in a Loess Mountainous Area Based on InSAR and Monitoring Equipment," Land, MDPI, vol. 11(8), pages 1-17, August.
    4. Yu Zhuang & Aiguo Xing, 2022. "History must not repeat itself-urban geological safety assessment is essential," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 111(2), pages 2141-2145, March.
    5. Zhiyu Qi & Zhiqing Li, 2023. "The Influence of Overburden Stress and Molding Water Content on the Microstructure of Remolded Loess," Sustainability, MDPI, vol. 15(16), pages 1-20, August.
    6. B. Zhao & Y. Q. Zhao, 2020. "Investigation and analysis of the Xiangning landslide in Shanxi Province, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(3), pages 3837-3845, September.
    7. Shubing Dai & Yulei Ma & Kuandi Zhang, 2022. "Land Degradation Caused by Construction Activity: Investigation, Cause and Control Measures," IJERPH, MDPI, vol. 19(23), pages 1-14, November.
    8. Xingjian Liu & Ben Derudder & Mingshu Wang, 2018. "Polycentric urban development in China: A multi-scale analysis," Environment and Planning B, , vol. 45(5), pages 953-972, September.
    9. Chunbo Huang & Yi Qin & Xixi Du & Jiawen He & Xin Fan, 2022. "Ecosystem Health and Environmental Geography in the Belt and Road Regions," IJERPH, MDPI, vol. 19(10), pages 1-21, May.
    10. Xinping Zhang & Dexiang Wang & Hongke Hao & Fangfang Zhang & Youning Hu, 2017. "Effects of Land Use/Cover Changes and Urban Forest Configuration on Urban Heat Islands in a Loess Hilly Region: Case Study Based on Yan’an City, China," IJERPH, MDPI, vol. 14(8), pages 1-25, July.
    11. Kapo Wong & Yuanzhi Zhang & Qiuming Cheng & Ming Chun Chao & Jin Yeu Tsou, 2022. "Comparison of Impervious Surface Dynamics through Vegetation/High-Albedo/Low-Albedo/Soil Model and Socio-Economic Factors," Land, MDPI, vol. 11(3), pages 1-20, March.
    12. Chao Yang & Huizeng Liu & Qingquan Li & Xuqing Wang & Wei Ma & Cuiling Liu & Xu Fang & Yuzhi Tang & Tiezhu Shi & Qibiao Wang & Yue Xu & Jie Zhang & Xuecao Li & Gang Xu & Junyi Chen & Mo Su & Shuying W, 2022. "Human expansion into Asian highlands in the 21st Century and its effects," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jlands:v:11:y:2022:i:8:p:1372-:d:894608. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.