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地质雷达在路面脱空检测中的应用

DOI: 10.3969/j.issn.1674-0696.2012.04.19, PP. 811-814

Keywords: 水泥混凝土路面板,脱空检测,地质雷达,落锤式弯沉仪,cementconcreteslabs,detectingvoids,groundpenetratingradar,fallingweightdeflectometer

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Abstract:

:?介绍了地质雷达探测法的基本工作原理;结合工程实例,将地质雷达探测法应用于水泥混凝土路面板底脱空的判定。首先进行测点选择和雷达参数调节,然后对雷达检测数据进行软件处理,即可判断路面板底脱空的位置,读出脱空点的长度及高度,并能初步判断脱空的原因。数据表明:与落锤式弯沉仪法相比,地质雷达探测法在路面脱空检测中具有更高的可信度;经钻芯复核,检测准确率达80%以上。

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