Urban Underground Pipelines Mapping Using Ground Penetrating Radar

8th International Symposium of the Digital Earth

地球科学;计算机科学

Jaw, S.W.^1 ; Hashim, M.^1

Institute of Geospatial Science and Technology (INSTeG), Faculty of Geoinformation and Real Estate, Univerisiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor Darul Ta'zim, Malaysia^1

关键词: Catastrophic damage;    Civil infrastructures;    Finite -difference time domains (FDTD);    Geometry properties;    Ground Penetrating Radar;    Ground penetrating radar (GPR);    Underground pipeline;    Underground utilities;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/18/1/012167/pdf
DOI  :  10.1088/1755-1315/18/1/012167

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

Underground spaces are now being given attention to exploit for transportation, utilities, and public usage. The underground has become a spider's web of utility networks. Mapping of underground utility pipelines has become a challenging and difficult task. As such, mapping of underground utility pipelines is a "hit-and-miss" affair, and results in many catastrophic damages, particularly in urban areas. Therefore, this study was conducted to extract locational information of the urban underground utility pipeline using trenchless measuring tool, namely ground penetrating radar (GPR). The focus of this study was to conduct underground utility pipeline mapping for retrieval of geometry properties of the pipelines, using GPR. In doing this, a series of tests were first conducted at the preferred test site and real-life experiment, followed by modeling of field-based model using Finite-Difference Time-Domain (FDTD). Results provide the locational information of underground utility pipelines associated with its mapping accuracy. Eventually, this locational information of the underground utility pipelines is beneficial to civil infrastructure management and maintenance which in the long term is time-saving and critically important for the development of metropolitan areas.