[1]School of Geomatics and Prospecting Engineering Jilin Jianzhu University Changchun 130118 China;
[2]School of Civil Engineering and Architecture Northeast Electric Power University Jilin 132012 China;
[3]School of Civil Engineering Chongqing University Chongqing 400045 China;
[4]Department of Civil Engineering The Pennsylvania State University Middletown PA 17055 USA;
[5]Department of Civil Engineering The University of Hong Kong Pokfulam Hong Kong 999077 China;