Funding for this research was provided by:
the program for Innovative Research Team in China Earthquake Administration.
Scientific Research Fund of Institute of Engineering Mechanics, China Earthquake Administration (2017QJGJ06)
National Key Research and Development Program of China (2017YFC1500801)
Article History
Received: 25 February 2018
Accepted: 26 May 2018
First Online: 5 June 2018