|
|
|
| Karst exploration in urban complex environments based on electrical resistivity tomography: A case study of Beihuan New Village in Guigang City |
QIN Jian-Wen1( ), JIANG Xiao-Teng2, XIE Gui-Cheng2, SUN Han-Wu2, HE Liu1, SUN Huai-Feng2() |
1. Guangxi Geological Environment Monitoring Station,Guigang 537110,China
2. Geotechnical and Structural Engineering Research Center,Shandong University,Jinan 250061,China |
|
|
|
|
Abstract In recent years,surface karst collapse has frequently occurred in Beihuan New Village,Guigang City,Guangxi,severely threatening the life and property safety of local residents.This study analyzed the distribution of karst in the study area using electrical resistivity tomography (ERT) and delineated zones with strong groundwater runoff,aiming to guide the prevention and control of karst collapse.First,this study conducted numerical simulations to guide the preparation of the field exploration scheme and provide a reference for the analysis of the results measured in the field.Then,it explored the zones with shallow groundwater runoff in Beihuan New Village,delineating 11 zones with potential karst collapse and inferring one major runoff zone and three minor runoff zones.Finally,this study compared the exploration profiles with borehole logs.The comparison and verification results show that ERT has high precision and reliability and can play a significant role in the exploration of urban surface karst collapse.
|
|
Received: 01 June 2022
Published: 27 April 2023
|
|
|
|
|
|
|
Overview of physical geography of the study area
a—location of Guigang City;b—location of the Beihuan New Village;c—the survey lines distribution map in the study area
|
|
Contour map of groundwater level in the study area (May 8, 2021)
|
| 岩性 | 电阻率
范围/(Ω·m) | 岩性 | 电阻率
范围/(Ω·m) | | 灰岩 | 500~10 000 | 溶洞(空洞) | >10 000 | | 白云岩 | 300~10 000 | 溶洞(泥质充填) | <30 | | 黏土 | 30~100 | 地下水 | 50~150 | | 溶洞(充水) | <50 | 空气 | >10 000 |
|
Correspondence between rock and resistivity values
|
|
Schematic of the Wenner array
|
|
Schematic of the Schlumberger array
|
|
Numerical simulation results of filled karst caves
|
|
Numerical simulation results of empty karst caves
|
|
Numerical simulation results of karst fracture zones
|
|
Resistivity inversion proposed 3D imaging and inferred map of potential karst collapse zones
|
|
Inferred map of shallow surface groundwater runoff zones
|
|
Resistivity inversion results and borehole verification graph
|
| [1] |
袁道先. 我国西南岩溶石山的环境地质问题[J]. 世界科技研究与发展, 1997(5):41-43.
|
| [1] |
Yuan D X. On the environmental and geologic problems of Karst Mountains and rocks in the South- West China[J]. World Sci-Tech R & D, 1997(5):41-43.
|
| [2] |
张丽芬, 曾夏生, 姚运生, 等. 我国岩溶塌陷研究综述[J]. 中国地质灾害与防治学报, 2007, 18(3):126-130.
|
| [2] |
Zhang L F, Zeng X S, Yao Y S, et al. Review on karst collapse in China[J]. The Chinese Journal of Geological Hazard and Control, 2007, 18(3):126-130.
|
| [3] |
雷明堂, 蒋小珍. 岩溶塌陷研究现状、发展趋势及其支撑技术方法[J]. 中国地质灾害与防治学报, 1998, 9(3):1-6.
|
| [3] |
Lei M T, Jiang X Z. Research on the present situation and developing tendency of Karst Collapse and techniques for its supporting[J]. The Chinese Journal of Geological Hazard and Control, 1998, 9(3):1-6.
|
| [4] |
覃剑文, 宋光啸, 潘光明. 城区复杂环境岩溶地面塌陷灾害成因与致灾规律研究——以贵港市北环新村岩溶地面塌陷灾害为例[J]. 中国岩溶, 2021, 40(2):230-237.
|
| [4] |
Qin J W, Song G X, Pan G M. Cause and law of karst collapse in the urban complex environment:An example of Beihuanxincun,Guigang City[J]. Carsologica Sinica, 2021, 40(2):230-237.
|
| [5] |
王洁. 三维高密度电法在城市地下岩溶塌陷区探测中的应用[J]. 工程地球物理学报, 2021, 18(1):107-112.
|
| [5] |
Wang J. Application of three-dimensional high-density electrical method in urban underground Karst Collapse area detection[J]. Chinese Journal of Engineering Geophysics, 2021, 18(1):107-112.
|
| [6] |
梁风, 史文兵, 李洪建, 等. 基于高密度电阻率法和瞬变电磁法的岩溶塌陷综合探测应用[J]. 贵州大学学报:自然科学版, 2021, 38(1):16-23.
|
| [6] |
Liang F, Shi W B, Li H J, et al. Integrated detection applications for Karst Collapse based on high-density resistivity and transient electromagnetic methods[J]. Journal of Guizhou University:Natural Sciences, 2021, 38(1):16-23.
|
| [7] |
邓凯, 沈云发, 张玉池. 综合物探方法在高速公路岩溶塌陷探测中的应用分析[J]. 工程地球物理学报, 2012, 9(1):54-57.
|
| [7] |
Deng K, Shen Y F, Zhang Y C. Application of integrated geophysical exploration method to detecting Karst Collapse of the Highway[J]. Chinese Journal of Engineering Geophysics, 2012, 9(1):54-57.
|
| [8] |
阿发友. 高密度电法和地质雷达在断层及溶洞探测中的应用[D]. 贵阳: 贵州大学, 2008.
|
| [8] |
A F Y. Application of high density resistivity method and ground penetrating radar to surveying fault and Karst Caverns[D]. Guiyang: Guizhou University, 2008.
|
| [9] |
高卫富, 贾李博, 胡安顺, 等. 直流电法多装置探测在岩溶探查中的研究及应用[J]. 地球物理学进展, 2021, 36(6):2687-2692.
|
| [9] |
Gao W F, Jia L B, Hu A S, et al. Research and application of DC multi array detection in karst exploration[J]. Progress in Geophysics, 2021, 36(6):2687-2692.
|
| [10] |
刘伟, 周启友, 潘晓东, 等. 基于时延三维电阻率反演的岩溶地下河管道空间分布识别物理模拟研究[J]. 中国岩溶, 2022, 41(2):136-145.
|
| [10] |
Liu W, Zhou Q Y, Pan X D, et al. Physical simulation study on spatial distribution identification of underground pipeline based on time-lapse 3D resistivity inversion[J]. Carsologica Sinica, 2022, 41(2):136-145.
|
| [11] |
蔡晶晶, 阎长虹, 王宁, 等. 高密度电法在地铁岩溶勘察中的应用[J]. 工程地质学报, 2011, 19(6):935-940.
|
| [11] |
Cai J J, Yan C H, Wang N, et al. Application of high-density resistivity method to karst investigation of metro engineering[J]. Journal of Engineering Geology, 2011, 19(6):935-940.
|
| [12] |
陈康, 李世峰, 张政杰, 等. 高密度电法勘探数据三维处理技术及城市勘察中的应用[J]. 工程地质学报, 2015, 23(1):170-177.
|
| [12] |
Chen K, Li S F, Zhang Z J, et al. 3-D processing technology of high density resistivity data and application to urban ground investigation[J]. Journal of Engineering Geology, 2015, 23(1):170-177.
|
| [13] |
黄毓铭, 张晓峰, 谢尚平, 等. 综合物探方法在南宁地铁溶洞探测中的应用[J]. 地球物理学进展, 2017, 32(3):1352-1359.
|
| [13] |
Huang Y M, Zhang X F, Xie S P, et al. Application of integrated geophysical method to Karst cave exploration of metro engineering in Nanning[J]. Progress in Geophysics, 2017, 32(3):1352-1359.
|
| [14] |
吴亚楠. 高密度电阻率法在莱芜市泉河地区岩溶地质勘查中的应用[J]. 中国岩溶, 2018, 37(4):617-623.
|
| [14] |
Wu Y N. Application of the high-density electrical resistivity method to karst geological exploration in Quanhe,Laiwu City[J]. Carsologica Sinica, 2018, 37(4):617-623.
|
| [15] |
郑志龙, 陈洋, 王丽君, 等. 高密度电法在某高速公路岩溶隧道探测中的应用[J]. 地下空间与工程学报, 2021, 17(S2):912-917,924.
|
| [15] |
Zheng Z L, Chen Y, Wang L J, et al. Application of high density electrical method in Karst tunnel detection of a highway[J]. Chinese Journal of Underground Space and Engineering, 2021, 17(S2):912-917,924.
|
| [16] |
史箫笛, 黄勋, 康小兵, 等. 高密度电法在覆盖型岩溶地区探测中的应用[J]. 人民长江, 2018, 49(S2):117-120,127.
|
| [16] |
Shi X D, Huang X, Kang X B, et al. Application of high density electrical method in detecting covered karst areas[J]. Yangtze River, 2018, 49(S2):117-120,127.
|
|
|
|
