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    • 1. 发明专利
    • Method for surveying cavity of pavement
    • 调查方法
    • JP2013181804A
    • 2013-09-12
    • JP2012045165
    • 2012-03-01
    • Taisei Rotec Corp大成ロテック株式会社
    • TAKEUCHI YASUSHISHIROMOTO SEIICHIMUTO KAZUNOBU
    • G01V3/12E01C23/01G01V99/00
    • PROBLEM TO BE SOLVED: To provide means for specifying a cavity of a pavement more inexpensively and accurately than in the conventional method.SOLUTION: First, a pavement is surveyed by an electromagnetic wave radar, and then, a pavement bearing power is measured in an abnormal area in which an abnormality estimated to be caused by something other than a pavement component is recognized and its surrounding area. Anyone can grasp whether the abnormality measured by the electromagnetic wave radar is caused by a cavity or an underground installation or the like without performing complicated processing, such as waveform processing of the electromagnetic wave radar by combining a waveform analysis result of the electromagnetic wave radar and a measurement result of the pavement bearing power. The three-dimensional size of a pavement cavity also can be grasped by using an imaging device or the like. Further, survey can be performed at low cost by using not a special device but a well-known popular device in this invention.
    • 要解决的问题:提供比常规方法更廉价和准确地规定路面空腔的装置。解决方案:首先,通过电磁波雷达对路面进行测量,然后测量路面承载力 异常区域,其中估计出由路面成分以外的东西引起的异常及其周围区域。 任何人都可以掌握电磁波雷达测量的异常是由空腔或地下装置等引起的,而不需要进行复杂的处理,如电磁波雷达的波形处理,结合电磁波雷达的波形分析结果和 路面承载力的测量结果。 也可以通过使用成像装置等来掌握路面空间的三维尺寸。 此外,可以通过使用本发明中不是特殊装置而是众所周知的流行装置,可以以低成本进行调查。