Abstract
Some national expressways and railways were routed through the Yanji basin with weak rock foothills. To achieve acceptable grades, a lot of excavations in swelling mudstones were performed, eventually forming many swelling mudstone slopes. After heavy rainfalls, slope failures occurred which were often attributed to the presence of swelling mudstones. Field and experimental investigations were carried out on a representative landslide with emphasis on the landslide causes and the higher landslide incidence in south-facing slopes in the Yanji Basin was also discussed. On this basis, a multipath mitigation method including drainage and reinforcement measures was employed for the landslide case. Considering the effect of slope orientation, distinctive vegetation was distinguishingly planted on the south-facing and north-facing slopes. The later field survey showed that the undertaken mitigation measures were efficient to prevent the landslide development and deserved to be adopted in other swelling rock and soil regions.
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Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 41430634) and the State Key Laboratory of Geomechanics and Geotechnical Engineering (Grant No. Y11002). The authors are very grateful to their financial support.
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Zeng, Z., Kong, L., Wang, M., Li, J. (2019). Weathered Swelling Mudstone Landslide and Mitigation Measures in the Yanji Basin: A Case Study. In: Shu, S., He, L., Kai, Y. (eds) New Developments in Materials for Infrastructure Sustainability and the Contemporary Issues in Geo-environmental Engineering. GeoChina 2018. Sustainable Civil Infrastructures. Springer, Cham. https://doi.org/10.1007/978-3-319-95774-6_14
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DOI: https://doi.org/10.1007/978-3-319-95774-6_14
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