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软弱破碎带隧道松动圈探测与治理研究

Research on detection and treatment of loose zones in weak fracture zone tunnel.

作者信息

Zheng Xin, Huang Feng, Wang Sheng, Zeng Zerun, Chen Shuwang, Xu Wenxuan

机构信息

School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400074, China.

Yunnan Provincial Transportation Planning and Design Research Institute Co., Ltd, Kunming, 650041, China.

出版信息

Sci Rep. 2025 Jan 7;15(1):1075. doi: 10.1038/s41598-024-83718-4.

DOI:10.1038/s41598-024-83718-4
PMID:39774745
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11707150/
Abstract

Determining the extent of tunnel loosening zones is a crucial factor in establishing reasonable support parameters. Addressing the challenge of testing tunnel loosening zones, this study focused on the Dongmachang Tunnel No. 1. Seismic wave methods are employed to test the tunnel's surrounding rock loosening zones. The results are processed using the reflection wave method, and the average wave velocity method is proposed as a standard for determining the loosening zone range. Subsequently, the surface wave method is utilized to process seismic wave data, validating the accuracy of the seismic wave method. Furthermore, a more precise range of the surrounding rock loosening zone is determined based on single hole acoustic method, and theoretical calculations. The obtained results align with the loosening zone range as determined by the average wave velocity method. Finally, a novel high-performance concrete lining structure is introduced for rehabilitating tunnel sections with significant deformations. The effectiveness of this new high-performance concrete lining structure is investigated through numerical simulations and on-site application. The study outcomes present new methodologies and technological support for determining tunnel surrounding rock loosening zones.

摘要

确定隧道松动圈范围是确定合理支护参数的关键因素。为应对测试隧道松动圈的挑战，本研究聚焦于东马场1号隧道。采用地震波方法测试隧道围岩松动圈。利用反射波法对结果进行处理，并提出平均波速法作为确定松动圈范围的标准。随后，利用面波法处理地震波数据，验证了地震波法的准确性。此外，基于单孔声波法和理论计算确定了更精确的围岩松动圈范围。所得结果与平均波速法确定的松动圈范围一致。最后，引入了一种新型高性能混凝土衬砌结构，用于修复变形较大的隧道段。通过数值模拟和现场应用研究了这种新型高性能混凝土衬砌结构的有效性。研究成果为确定隧道围岩松动圈提供了新方法和技术支持。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/c5ed6fec71d5/41598_2024_83718_Fig11_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/dd46184cdd97/41598_2024_83718_Fig7_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/c5ed6fec71d5/41598_2024_83718_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/b62c373e6064/41598_2024_83718_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/a27ef30cf626/41598_2024_83718_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/abd89c329add/41598_2024_83718_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/7fd9d96c0cb3/41598_2024_83718_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/410739f805fd/41598_2024_83718_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/8a618abce829/41598_2024_83718_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/dd46184cdd97/41598_2024_83718_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/4ba1c5333b7a/41598_2024_83718_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/501922966adb/41598_2024_83718_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/401cc217b476/41598_2024_83718_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/074d/11707150/c5ed6fec71d5/41598_2024_83718_Fig11_HTML.jpg

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本文引用的文献

1
Influence of Section Shape and Buried Depth on Rock Loosening Zone around Underground Roadway in Coal Mine.断面形状与埋深对煤矿井下巷道围岩松动圈的影响
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2
Research on large deformation control technology of tunnels in squeezing rock and its application.挤压性岩体中隧道大变形控制技术研究及其应用
Sci Prog. 2020 Apr-Jun;103(2):36850420923167. doi: 10.1177/0036850420923167.