摘要
近年来,在北京、大连等大型城市道路塌陷事件频繁发生,因此探测城市道路病害等浅层地质问题意义重大。三维探地雷达技术已被广泛应用于城市道路与管网检测,通过对地质雷达外业数据采集以及内业数据处理、图谱识别解释等技术的研究,列举了城市病害如空洞、脱空、疏松、富水及病害组合等在地质雷达剖面图上的识别特征,并以福建某市环岛道路下空洞检测为例,介绍了施工方法,数据处理及解释结果。
In recent years, urban road collapse incidents happened frequently in large cities such as Beijing, Dalian etc. Thus to detect urban road trouble shallow layer geological issues have great significance. Thus the 3D ground penetrating radar technology has been applied on urban road and pipeline network detection widely. Through technical studies of ground penetrating radar field data acquisi-tion ,laboratory data processing, graphs identification and interpretation, have enumerated identification features on ground penetrating radar sections of urban underground troubles such as cavity, void under pavement slab, unconsolidation, water - rich and trouble as-semblage etc. Taking a case study of cavity detection under an island ring road of a Fujian city, the author has introduced operation method, data processing and interpreted results.
作者
倪新辉
Ni Xinhui(Hydrogeological Exploration Bureau,CNACG,Handan,Hebei 056001)
出处
《中国煤炭地质》
2018年第7期98-102,共5页
Coal Geology of China
关键词
三维探地雷达
道路检测
道路塌陷
城市地质灾害
3D ground penetrating radar
road detection
road collapse
urban geological hazard
