منابع:
1-Aristizabal-Ochoa, J. D., 1986. Disposable knee bracing: improvement in seismic design of steel
frames. Journal of Structural Engineering, 112(7): 1544-1552.
2-Balendra, T., Yu, C. Y., Xiao, Y., 2001. An economical structural system for wind and earthquake
loads. Engineering Structures...