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4. A 4m x 8m rectangular footing will be placed on ground surface as shown in the figure below. The total load acting on the footing will be 3000 kN. Determine the consolidation settlement of the foundation. Assume the clay is normally consolidated with Cc-0.3 and use 2V:1H method to calculate the stress increase at the middle of the clay layer New footing 2.8 m Sand 18.0 kN/m3 W.T. 4.2 m Sand Ywet = 18.6 kN/m³ Ywet = 18.2 kN/m³, e, = 0.82 LL = 44, PL = 20 3.0 m Clay Sand

4. A 4m x 8m rectangular footing will be placed on ground surface as shown in the figure below. The total load acting on the footing will be 3000 kN. Determine the consolidation settlement of the foundation. Assume the clay is normally consolidated with Cc-0.3 and use 2V:1H method to calculate the stress increase at the middle of the clay layer New footing 2.8 m Sand 18.0 kN/m3 W.T. 4.2 m Sand Ywet = 18.6 kN/m³ Ywet = 18.2 kN/m³, e, = 0.82 LL = 44, PL = 20 3.0 m Clay Sand

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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4. A 4 m x 8 m rectangular footing will be placed on ground surface as shown in the figure below. The total load acting on the footing will be 900 kN. Determine the consolidation settlement of the foundation. Assume the clay is normally consolidated with Cc = 0.3 and use 2:1 method to calculate the stress increase at the middle of the clay layer. Diagram Information: - The diagram shows a cross-section of soil layers beneath a new footing. - The layers consist of two sand layers and one clay layer in between. - The total thickness of the sand layers is 7.0 m (2.8 m + 4.2 m). - Clay layer thickness: 3.0 m. - Sand layers have dry and wet unit weight \( \gamma_{\text{dry}} = 18.0 \, \text{kN/m}^3 \), \( \gamma_{\text{wet}} = 18.6 \, \text{kN/m}^3 \). - Clay layer properties: \( \gamma_{\text{wet}} = 18.2 \, \text{kN/m}^3 \), \( e_0 = 0.82 \), \( LL = 44 \), \( PL = 20 \). Note: W.T. (Water Table) is indicated in the diagram above the clay layer.
Transcribed Image Text:4. A 4 m x 8 m rectangular footing will be placed on ground surface as shown in the figure below. The total load acting on the footing will be 900 kN. Determine the consolidation settlement of the foundation. Assume the clay is normally consolidated with Cc = 0.3 and use 2:1 method to calculate the stress increase at the middle of the clay layer. Diagram Information: - The diagram shows a cross-section of soil layers beneath a new footing. - The layers consist of two sand layers and one clay layer in between. - The total thickness of the sand layers is 7.0 m (2.8 m + 4.2 m). - Clay layer thickness: 3.0 m. - Sand layers have dry and wet unit weight \( \gamma_{\text{dry}} = 18.0 \, \text{kN/m}^3 \), \( \gamma_{\text{wet}} = 18.6 \, \text{kN/m}^3 \). - Clay layer properties: \( \gamma_{\text{wet}} = 18.2 \, \text{kN/m}^3 \), \( e_0 = 0.82 \), \( LL = 44 \), \( PL = 20 \). Note: W.T. (Water Table) is indicated in the diagram above the clay layer.
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