RESEARCH ARTICLE


Scientific Site Selection of Ancient Large-scale Underground Quarries from Engineering Geology: A Case of Shepan Island in Sanmen, China



Guangxiang Yuan1, Jianyong Li1, Zhiquan Huang1, *, Zhifa Yang2
1 North China University of Water Resources and Electric Power, Zhengzhou, Henan, 450045, China
2 Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences 10029, Beijing, China


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Creative Commons License
© Yuan et al.; Licensee Bentham Open

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the North China University of Water Resources and Electric Power, No. 36, Beihuan Road, Zhengzhou, Henan, 450045 China; Tel/Fax: +86-371-69127351; E-mail: huangzhiquang@ncwu.edu.cn


Abstract

There are many ancient underground quarries in Zhejiang Province, China. Many caverns of them maintained steady more than 1000 years. Certain engineering geological condition is very important for long-term stability. In this paper, ancient underground quarries in Shepan Island are presented as a case. Shepan Island ancient large-scale underground quarry caverns are located in Sanmen County, Zhejiang Province. These caverns were excavated more than 800 years ago and at least 1300 of them are reserved until now. Shepan Island is a hill which uplifts the continental shelf extending to the gulf. There are no large regional fractures through caverns area, which indicates that it belongs to earthquake stability region. The caverns were excavated in thick volcanic clastic rock formed in the upper Jurassic, with NW and NE faults and NW joints. Based on the study of rock weathering, physical and mechanical tests of rock samples, and inverse analysis of structural plane, the huge thick volcano clastic rock can be classified as block structure. In addition, groundwater which affects the stability of caverns was analyzed based on the investigations of hydrogeological conditions. Site selection of ancient large-scale underground quarries is query scientific from modern engineering geology point of view.

Keywords: Ancient underground quarries, Engineering geology, Scientific site selection, Shepan island in sanmen.