International Journal of Concrete Structures and Materials

Table 7 Redistribution of the imposed loads in the 20-story RC frames with different densities of substructure soil in FLAC software.

From: Evaluation of the Progressive Collapse of the Reinforced Concrete Frames Considering the Soil–Structure Interaction: Parametric Study Based on the Sensitivity Index

Conditions	Soil density (kg/m³)	λ₀ (kN)	λ_damage (kN)	SI
Middle column	1600	4836.2	3792.8	0.2157
	1800	4834	3793	0.2153
	2000	4819	3791.9	0.2131
	2200	4809	3791.7	0.2115
Corner column	1600	4836.2	3538.85	0.2683
	1800	4834	3538.86	0.2679
	2000	4819	3550.76	0.2632
	2200	4809	3550.76	0.2616
Edge column	1600	4836.2	3382.2	0.3006
	1800	4834	3382.2	0.3003
	2000	4819	3380.8	0.2984
	2200	4809	3393.3	0.2944

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