ﺿﺮﯾﺐ ﺍﻃﻤﯿﻨﺎﻥ
Safety factor

ﺍﻟﻒ- ﺷﺎﺧﺺ ﺍﺳﺘﻘﺎﻣﺖ ﯾﮏ ﺳﺎﺧﺘﻤﺎﻥ ﺩﺭ ﺑﺮﺍﺑﺮ ﺷﮑﺴﺖ، ﮔﺴﯿﺨﺘﮕﯽ ﻧﺎﮔﻬﺎﻧﯽ) و ﯾﺎ ﻧﺎﭘﺎﯾﺪﺍﺭی (ﻣﯽﺑﺎﺷﺪ.
ﺏ- ﻧﺴﺒﺖ ﺗﻨﺶ ﻧﻬﺎﯾﯽ ﺳﺎﺯﻩ ﺑﻪ ﺗﻨﺶ ﻣﺠﺎﺯ ﯾﺎ ﺗﻨﺶ وﺍﻗﻌﯽ ﺁﻥ.