Case analysis of integrated maintenance technology for multi-dimensional rapid detection and trenchless reinforcementYunwu He, Tao Liu, Tao Wang, Xiayi Liang, Hanxin Wei, Zhigang Zheng and Xin XiaoE3S Web Conf., 261 (2021) 02087DOI: https://doi.org/10.1051/e3sconf/202126102087