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Table 6 Redistribution of the imposed loads in the 20-story RC frames with different thicknesses of foundation 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

Thickness of foundation (cm)

λ0

(kN)

λdamage (kN)

SI

Middle column

180

4834

3793

0.2153

190

4613

3564.6

0.2273

200

4381

3338.1

0.2381

210

4231.2

3179.6

0.2485

Corner column

180

4834

3538.86

0.2679

190

4613

3337.33

0.2765

200

4381

3148.2

0.2814

210

4231.2

2995.28

0.2921

Edge column

180

4834

3382.2

0.3003

190

4613

3192.5

0.3079

200

4381

2988.1

0.3179

210

4231.2

2838.2

0.3292