作者机构:[1]Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China, [2]School of Civil Engineering, Shandong Jianzhu University, Ji'nan 250101, China
相关基金:Acknowledgements This study is jointly supported by National Natural Science Foundation of China (No. 50708100), National Science and Technology Support Project of China (No. 2006BAC 13B02) and partially by Basic Research Program of Institute of Mechanics Engineering, China Earthquake Administration (No. 2007B02).