1. E. Sayhood, Structural Journal, 88, (1988).
2. J. Y. Shen, L. Sharpe, and W. M. Meginley, Engineering Computations, 413, (1995).
3. C. J. Liu, Z. L. Zheng, X. Y. Yang, and H. Zhao Int. J. Struct. Stab. Dyn. 14, (2014).
4. I. Fadhil. Tikrit Journal of Engineering Sciences, 26, (2018).
5. W. Wang and N. Chouw, Constr. Build. Mater. 171, (2018).