1. Department
of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong
2. Shanghai
Key Laboratory of Multiphase Materials Chemical Engineering, Chemical
Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
3. Polymer and Composite Division, Ningbo Institute of Material Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China