Comprehensive Geophysical Response Characteristics of the Underground Engineering
The mitigation and monitoring of the hidden underground civil defense tunnels are difficult to avoid in many of the old city re-construction projects.To conduct a comprehensive exploration of these underground civil defense facilities by using ERT method,Microtremor survey are performed.The ERT for the underground tunnel of water filling levels and locating have high-er reliability.The microtremor survey locating of the underground tunnel results in a better accuracy.Throughout the practice,it is confirmed that,using ERT combined with the micro integrated geophysical methods can achieve a better result in detecting the characterization of the abandoned underground civil defense tunnels and provides a reference for the similar projects.