[1] State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai,200092, China
[2] College of Civil Engineering, Tongji University, Shanghai,200092, China
[3] Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg,MD,20899-8611, United States
[4] Sichuan Fire Research Institute, Ministry of Public Security, Chengdu,610036, China