S&T Project 21045 Final Report: Detection of Voids Behind Spillways, Conduits, Canals, Tunnels, and Siphons

Detection of voids along conduits has been attempted in the past using various non-invasive technologies. While progress has been made, underlying challenges exist...过往已有诸多研究尝试采用各类非侵入式技术，开展管道沿线空隙的检测工作。尽管该领域已取得一定进展，但仍存在诸多根本性挑战……