RT Journal T1 Discussion on applying an analytical method to optimize the anti-freeze design parameters for underground water pipelines in seasonally frozen areas A1 Ji Chen, JingYi Zhao, Kun Li, Yu Sheng PB Sciences in Cold and Arid Regions FD 2016-12-01 YR 2016 JF Sciences in Cold and Arid Regions JO Sciences in Cold and Arid Regions VO 8 IS 6 SP 467 DO 10.3724/SP.J.1226.2016.00467 K1 Quasi-3D method;analytical method;maximum frozen penetration;underground water pipeline;seasonally frozen area LK {http://www.scar.ac.cn/CN/article/article_119.shtml}