The work is supported by the National Natural Science Foundation of China (61179032), and by Natural Science Foundation of Hubei Province of China (2011CDB229), and by Science and Technology Research Project of Hubei Provincial Department of Education (D20111702), and by Science and Technology Research and Development Project of Ministry of Housing and Urban–Rural Development of the People’s Republic of China (2012-K5-9), and by Construction Science and Technology Plan Project of of Hubei Provincial Department of Reconstruction(2011-29).