The Moment-Independent Importance Analysis of Structural Seismic Requirements Based on Orthogonal Polynomial Estimation

Table 3

Sensitivity ordering of random variables.

Seismic requirement	Top displacement	Base shear	Maximum floor acceleration	Maximum interstory drift angle
fy	7-6-7	6-7-7	6-6-6	6-6-6
Es	6-7-8	7-6-6	8-7-7	7-7-8
Ms	2-2-2	4-3-4	1-1-1	2-2-2
DA	1-1-1	2-2-2	2-2-2	1-1-1
fc	3-3-3	1-1-1	3-3-3	3-3-3
Ec	8-8-5	8-8-8	7-8-8	8-8-7
fys	5-5-6	3-4-5	5-4-5	4-4-4
Ess	4-4-4	5-5-3	4-5-4	5-5-5

7-6-7: the first number is the order of moment-independent importance based on orthogonal polynomial estimation, the second is the order of moment-independent importance based on kernel density estimation, and the third is the order of importance based on Monte Carlo numerical simulation, and so on.