山东大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (4): 61-68.doi: 10.6040/j.issn.1672-3961.0.2017.015
周陈婴
ZHOU Chenying
摘要: 为了提高隧道病害检测人员对于隧道衬砌病害的识别准确度,基于探地雷达工作原理,结合实际工程应用经验,系统研究衬砌厚度、钢筋及钢拱架分布情况、保护层厚度、围岩破碎富水裂隙发育程度、脱空、不密实、雷达脱离等雷达图像特征及其解译原理,形成一种用于隧道衬砌病害检测的高效探地雷达信号解译方法,并结合实际工程案例进行了分析与验证。其中钢筋在图像上呈现月牙形,脱空在图像上呈弧形反射,不密实表现为杂乱波形,天线脱离呈条带状亮反射。解译方法为隧道衬砌检测提供了参考和依据,有利于隧道病害的及时处理及隧道衬砌质量的准确评价,对提高隧道的整体质量起到重要作用。
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