A spread footing with a dimension of 2.0 m x 2.0 m is embedded in uniform clay at a depth of 1.0 m to support a vertical downward load of 300 kN. The pre-consolidation stress of the soil is 50 kPa and their compression indices are Cr/(1+e0) and Cc/(1+e0) of 0.025 and 0.11, respectively. The soil has unit weights of 16.8 and 17.8 kN/m3 above and below the groundwater table, respectively. The soil stratum extends to a great depth and the ground water table is at a depth of 1.5 m below the ground surface. Estimate the consolidation settlement of this footing. Use 2:1 method to estimate induced stress due to the applied load. The depth for settlement calculation is assumed to be 5 m below the foundation and use layer thickness of 1 m.
A spread footing with a dimension of 2.0 m x 2.0 m is embedded in uniform clay at a depth of 1.0 m to support a vertical downward load of 300 kN. The pre-consolidation stress of the soil is 50 kPa and their compression indices are Cr/(1+e0) and Cc/(1+e0) of 0.025 and 0.11, respectively. The soil has unit weights of 16.8 and 17.8 kN/m3 above and below the groundwater table, respectively. The soil stratum extends to a great depth and the ground water table is at a depth of 1.5 m below the ground surface. Estimate the consolidation settlement of this footing. Use 2:1 method to estimate induced stress due to the applied load. The depth for settlement calculation is assumed to be 5 m below the foundation and use layer thickness of 1 m.
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter8: Stresses In A Soil Mass
Section: Chapter Questions
Problem 8.10P: The soil profile at a site consists of 10 m of gravelly sand underlain by a soft clay layer. The...
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A spread footing with a dimension of 2.0 m x 2.0 m is embedded in uniform clay at a depth of 1.0 m to support a vertical downward load of 300 kN. The pre-consolidation stress of the soil is 50 kPa and their compression indices are Cr/(1+e0) and Cc/(1+e0) of 0.025 and 0.11, respectively. The soil has unit weights of 16.8 and 17.8 kN/m3 above and below the groundwater table, respectively. The soil stratum extends to a great depth and the ground water table is at a depth of 1.5 m below the ground surface. Estimate the consolidation settlement of this footing. Use 2:1 method to estimate induced stress due to the applied load. The depth for settlement calculation is assumed to be 5 m below the foundation and use layer thickness of 1 m.
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