A Comparative Study of First-Order Reliability Method-Based Steepest Descent Search Directions for Reliability Analysis of Steel Structures

Table 1

Random variables for the bar example under tensile load.

Variable	Distribution	Mean	Standard deviation
(t/m)	Log-normal	2	0.2
(m)	Log-normal	3	0.2
(cm^2)	Normal	10	1
(kg/cm^2)	Normal	100	400