摘要
桩基底部岩溶是危害桥梁正常工作地质灾害之一。通过地质雷达探测,能够高效、无损地判断岩溶分布的范围,避免桥梁安全隐患的发生。论文以云南地区某高速公路桥梁工程为实例,对桩基底部进行了雷达探测,结合现场开挖结果,分析了4种常见的地质体雷达图像的典型特征,该分析及结论能够为类似工程提供参考。
The karst under the pile foundation is one of the hazards to the engineering of bridge. Through geological radar detection,the range of karst distribution can be determined efficiently and nondestructive,and the safety hidden danger of bridge can be avoided. Took a project in an area of Yunnan as an example,the typical characteristics of four kinds of common geologic body have been analyzed according to the excavation result,which can be used as a reference for similar project.
引文
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