Design and Engineering Application of Polymer Grouting Pore Layout Scheme for Expressway Pavement DiseasesLiu Tao, Zheng Zhigang, Hong Shaoyou, Huang Zhi, Wu Yintan and Huang HongE3S Web Conf., 165 (2020) 05020DOI: https://doi.org/10.1051/e3sconf/202016505020