标题：QUANTITATIVE EVALUATION OF THE POSSIBILITY AND ACCURACY OF DETERMINATION OF ROAD STRUCTURE LAYERS THICKNESS WITH THE USE OF RAMAC/GPR GEORADAR EQUIPMENT
其他标题：ILOŚCIOWA OCENA MOŻLIWOŚCI I DOKŁADNOŚCI WYZNACZANIA GRUBOŚCI WARSTW KONSTRUKCJI NAWIERZCHNI DRÓG Z ZASTOSOWANIEM APARATURY GEORADAROWEJ RAMAC/GPR
期刊名称：Archiwum Fotogrametrii, Kartografii i Teledetekcji
印刷版ISSN：2083-2214
出版年度：2009
卷号：19
语种：English
出版社：Main Board of Association of Polish Surveyors
摘要：The article presents results of an experimental work on the evaluation of the possibility of road structure layers detection with RAMAC/GPR equipment. Test work was carried out on the section of the road with the high-speed road parameters,which was under construction. The goal of the experimental work was the quantitative evaluation of the possibility and accuracy of determination of road structure layers thickness. The GPR measurements,carried out during the forming process of individual construction layers,gave a unique and reliable research material,which – because of the way of getting it – provided a basis for the work during the road operation. In the analytical and comparative process,information from partial calibration boreholes made by the road contractor and from geodetic measurement (levelling) made by author was used. Special emphasis was put in the paper on proper processing of GPR data. Measurement of the layer thickness cannot be carried in a direct way on radargrams because the roadway structure consists of layers of various wave velocities,which cannot be taken into account in direct processing of the GPR image. The process of correct scaling of GPR results is possible only trough the vectorization and calibration of particular road structure layers. That conversion requires employing suitable advanced functions of GPR post-processing software,and then the obtained result can be fully reliable.
其他摘要：W artykule przedstawiono wyniki prac testowych,które wykonano georadarem RAMAC/GPR na nowobudowanym odcinku trasy drogowej o parametrach drogi ekspresowej. Ich celem była ilościowa ocena możliwości i dokładności wyznaczania grubości warstw konstrukcji naw
关键词：GPR;radargram;road structure;layers thickness
其他关键词：Georadar;radargram;grubość warstwy konstrukcji nawierzchni drogowej
