喀斯特岩体结构损伤的CT识别及地面塌陷与隧道突水诊断预报预警——以京珠粤北高速公路洋碰隧道为例

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摘要以京珠粤北高速公路洋碰隧道为例，利用孔间电磁波透视及Color-CT层析成像技术，通过物理、数学、岩体非线性、计算机数据处理、岩溶地质学方法，针对隐伏碳酸盐岩岩体结构损伤(缺陷)特征、规模、具体位置的原位探测识别试验。结果表明，孔间电磁波透视及Color-CT层析成像技术和方法揭示了碳酸盐岩由岩体细微结构损伤的裂隙为最小识别单元，由最小单元发展成为岩溶通道从深部向岩面贯通，从而导致地面塌陷、隧道岩溶突水、涌泥的地质灾害。

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关键词 ：隧道工程, 贯通结构面, 岩体非线性, 岩溶隧道突水, 岩溶地面塌陷, 电磁波射线

Abstract：The Yangpeng tunnel in Northern Guangdong province on the expressway from Beijing to Zhuhai was investigated for the in-situ detection and recognition of the characteristics，the sizes and the specific locations of concealed structural damages(defects) of the carbonate rocks using the technologies of electromagnetic wave perspective imaging between holes and Color-CT tomography imaging. The results from the electromagnetic wave perspective imaging between holes and the Color-CT tomography imaging suggest that the fracture of the fine structural damage in the carbonate rocks is the minimum recognition units. The minimum recognition units are developed into karst tunnels linking the deep rock surface，and thus leading the geological disasters of ground collapse and inrushing of water and mud in the tunnel.

Key words： tunnelling engineering through structural surface nonlinearity of rocks water inrush in karst tunnel karst ground collapse electromagnetic rays

收稿日期: 2013-06-28

引用本文:

黎华清1，卢呈杰1，甘伏平1，喻立平1，甘文华2. 喀斯特岩体结构损伤的CT识别及地面塌陷与隧道突水诊断预报预警——以京珠粤北高速公路洋碰隧道为例[J]. 岩石力学与工程学报, 2014, 33(4): 763-771.
LI Huaqing1，LU Chengjie1，GAN Fuping1，YU Liping1，GAN Wenhua2. CT IDENTIFICATION OF KARST ROCK STRUCTURE DAMAGE AND DIAGNOSIS，FORECASTING AND EARLY WARNING OF GROUND COLLAPSE AND WATER INRUSH IN TUNNEL——A CASE STUDY OF YANGPENG TUNNEL OF BEIJING-ZHUHAI EXPRESSWAY IN NORTHERN GUANGDONG. , 2014, 33(4): 763-771.

链接本文:

http://www.rockmech.org/CN/Y2014/V33/I4/763

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