1. Ph.D. Student, Key Laboratory of New Technology for Construction of Cities in Mountain Area (Ministry of Education), School of Civil Engineering, Chongqing Univ., Chongqing 400045, China.
2. Professor of Pipeline Structure, Yellow River Laboratory, School of Water Resources and Civil Engineering, Zhengzhou Univ., Henan 450001, China (corresponding author).
3. Engineer, State Key Laboratory of Precision Testing Technology and Instrument, Tianjin Univ., Tianjin 300072, China.
4. Engineer, Shandong Dongxin Plastic Technology Co., Ltd., Bojiqiao St., Yanggu County, Shandong 252300, China.