Detection and comprehensive treatment for giant karst caves under the tunnel floor: a case study in Guangxi, China

IF 2.8 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Environmental Earth Sciences Pub Date : 2024-11-18 DOI:10.1007/s12665-024-11959-7

Dong Liu, Minghong Liu, Huaifeng Sun, Rui Liu, Xushan Lu

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Abstract

The presence of complex karst caves poses significant challenges to construction safety and progress in tunnel engineering. Undetected karst caves in front of tunnel faces pose a risks of sudden water influx disasters. We employed an advanced semi-airborne transient electromagnetic method (SATEM) to detect potential karst caves located in areas with undulating karst terrain. Additionally, we utilized a handheld Simultaneous Localization and Mapping (SLAM)-based LiDAR device to accurately and efficiently scan large exposed caves, providing support for the design of karst cave treatment plans. For different karst cave characteristics, we introduce a series of effective comprehensive treatment methods, including sealing, crossing, and filling strategies. We demonstrate, for the first time, the outstanding effectiveness of SATEM surveys in detecting highly resistive caves, with multiple successful predictions of dried-up caves in Linlan tunnel. The proposed SATEM detection and comprehensive treatment technical system not only ensures the safety of the construction of the Tian’e-Bama expressway but also provides profound insights and practical guidance for the field of karst tunnel engineering.

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隧道底板下巨型岩溶洞穴的探测与综合治理：中国广西的案例研究

复杂岩溶洞穴的存在给隧道工程的施工安全和进度带来了巨大挑战。隧道洞前未被发现的岩溶洞穴会带来突水灾害的风险。我们采用先进的半机载瞬态电磁法（SATEM）来探测位于岩溶地形起伏地区的潜在岩溶洞穴。此外，我们还利用基于同步定位和绘图（SLAM）技术的手持式激光雷达设备，对大型裸露洞穴进行了精确有效的扫描，为岩溶洞穴治理方案的设计提供了支持。针对不同的岩溶洞穴特征，我们介绍了一系列有效的综合治理方法，包括封堵、穿越和填充策略。我们首次证明了 SATEM 勘测在探测高阻溶洞方面的卓越功效，并成功预测了临澜隧道的多个干涸溶洞。所提出的 SATEM 检测与综合治理技术体系不仅确保了天峨至巴马高速公路的施工安全，也为岩溶隧道工程领域提供了深刻的启示和实践指导。

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来源期刊

Environmental Earth Sciences 环境科学-地球科学综合

CiteScore

5.10

自引率

3.60%

发文量

494

审稿时长

8.3 months

期刊介绍： Environmental Earth Sciences is an international multidisciplinary journal concerned with all aspects of interaction between humans, natural resources, ecosystems, special climates or unique geographic zones, and the earth: Water and soil contamination caused by waste management and disposal practices Environmental problems associated with transportation by land, air, or water Geological processes that may impact biosystems or humans Man-made or naturally occurring geological or hydrological hazards Environmental problems associated with the recovery of materials from the earth Environmental problems caused by extraction of minerals, coal, and ores, as well as oil and gas, water and alternative energy sources Environmental impacts of exploration and recultivation – Environmental impacts of hazardous materials Management of environmental data and information in data banks and information systems Dissemination of knowledge on techniques, methods, approaches and experiences to improve and remediate the environment In pursuit of these topics, the geoscientific disciplines are invited to contribute their knowledge and experience. Major disciplines include: hydrogeology, hydrochemistry, geochemistry, geophysics, engineering geology, remediation science, natural resources management, environmental climatology and biota, environmental geography, soil science and geomicrobiology.