Refer to Figure 9.1, where a 2.0 m × 3.0 m flexible foundation is placed in a saturated clay at 1.5 m depth. Bedrock lies at 4.0 m below the foundation. The clay is overconsolidated with OCR = 2, undrained shear strength = 60 kN/m², and plasticity index = 45. If the pressure applied by the foundation to the underlying soil is 80.0 kN/m2, determine the average elastic settlement.

Figure 9.1

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2.0 L/B = 0 L/B = 10 1.5 A1 1.0 Square Circle 0.5 0.1 1 10 100 1000 H/B 1.0 A2 0.9 - 0.8 10 15 20 D;IB