TY - Journal of Yangtze River Scientific Research Institute A1 - ZHU Jing T1 - Study on Deformation Law of Foundation Pit by Multifractal Detrended Fluctuation Analysis and Extreme Learning Machine Improved by Particle Swarm Optimization Y1 - 2019-03-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 53 EP - 58 VL - 36 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20170946 ER -