1. School of Civil Engineering and Architecture, Xiamen University of Technology, Xiamen 361024, China;
2. Key Laboratory for Green Building Materials of the Education Department of Fujian Province, Xiamen 361024, China;
3. Fujian Provincial Key Laboratory of Fire Retardant Materials, Xiamen 361005, China;
4. College of Civil Engineering, Hunan University, Changsha 410082, China;
5. Department of Civil Engineering, University of Toronto, Toronto, ON M5S1A4, Canada