Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China
With the fast development of urban rail transportation, shield construction has been widely used in tunnel construction in China. It is very important to detect the random distribution of boulders, which may cause geological problems. Cross-hole electrical resistivity tomography (ERT) has the advant...
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| Format: | Article |
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MDPI AG
2021-12-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/11/24/11860 |
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| author | Ningbo Li Zhao Dong Zhengyu Liu Bing Yan Kai Wang Lichao Nie Chunjin Lin Junfeng Shen Zhao Ma Yongheng Zhang |
| author_facet | Ningbo Li Zhao Dong Zhengyu Liu Bing Yan Kai Wang Lichao Nie Chunjin Lin Junfeng Shen Zhao Ma Yongheng Zhang |
| author_sort | Ningbo Li |
| collection | DOAJ |
| description | With the fast development of urban rail transportation, shield construction has been widely used in tunnel construction in China. It is very important to detect the random distribution of boulders, which may cause geological problems. Cross-hole electrical resistivity tomography (ERT) has the advantage of precise detection, but it has not been systematically studied in solitary rock detection. Therefore, we set up several numerical models and proposed weighted inversion, to improve the capacity for detecting boulders. Subsequently, the method was applied to the Xiamen Metro Line 1, where it was highly likely to encounter boulders. All the test boreholes revealed the presence of boulders, and their location and size were consistent with the geophysics results. This study demonstrated the suitability of weighted inversion based on a multi-configuration combination of cross-hole ERT for the detection of boulders. This case study provides new engineering perspectives on how to detect boulders. |
| first_indexed | 2024-03-10T04:37:53Z |
| format | Article |
| id | doaj.art-ad8058c9527745f3a60d42cd1164b1b5 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T04:37:53Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
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| series | Applied Sciences |
| spelling | doaj.art-ad8058c9527745f3a60d42cd1164b1b52023-11-23T03:39:30ZengMDPI AGApplied Sciences2076-34172021-12-0111241186010.3390/app112411860Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, ChinaNingbo Li0Zhao Dong1Zhengyu Liu2Bing Yan3Kai Wang4Lichao Nie5Chunjin Lin6Junfeng Shen7Zhao Ma8Yongheng Zhang9Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaShandong Hi-Speed Group Co., Ltd., Jinan 250101, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaGeotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, ChinaWith the fast development of urban rail transportation, shield construction has been widely used in tunnel construction in China. It is very important to detect the random distribution of boulders, which may cause geological problems. Cross-hole electrical resistivity tomography (ERT) has the advantage of precise detection, but it has not been systematically studied in solitary rock detection. Therefore, we set up several numerical models and proposed weighted inversion, to improve the capacity for detecting boulders. Subsequently, the method was applied to the Xiamen Metro Line 1, where it was highly likely to encounter boulders. All the test boreholes revealed the presence of boulders, and their location and size were consistent with the geophysics results. This study demonstrated the suitability of weighted inversion based on a multi-configuration combination of cross-hole ERT for the detection of boulders. This case study provides new engineering perspectives on how to detect boulders.https://www.mdpi.com/2076-3417/11/24/11860cross-hole ERTboulder detectionmulti-configuration combinationweighting factor |
| spellingShingle | Ningbo Li Zhao Dong Zhengyu Liu Bing Yan Kai Wang Lichao Nie Chunjin Lin Junfeng Shen Zhao Ma Yongheng Zhang Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China Applied Sciences cross-hole ERT boulder detection multi-configuration combination weighting factor |
| title | Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China |
| title_full | Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China |
| title_fullStr | Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China |
| title_full_unstemmed | Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China |
| title_short | Synthetic Study of Boulder Detection Using Multi-Configuration Combination of Cross-Hole ERT and Its Field Application in Xiamen Metro, China |
| title_sort | synthetic study of boulder detection using multi configuration combination of cross hole ert and its field application in xiamen metro china |
| topic | cross-hole ERT boulder detection multi-configuration combination weighting factor |
| url | https://www.mdpi.com/2076-3417/11/24/11860 |
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