Example 9.3: Figure 9.30 represents the average soil profile obtained from boreholes, at ground water table is at a depth of 3.5 m. It is estimated that the additional stress on the the site of a proposed building whose foundation is to be placed at a depth of 2.5 m. The clay layer due to the weight of the building will be 150 kN/m² at the top of the clay and 70 kN/m² at the bottom of the clay. Following results were obtained from consolidation tests: Applied stress (kN/m²) 50 Void ratio 0.882 Unit weights: sand above water table clay-19.5 kN/m³. Determine the settlement of the clay layer. El.0 m A AI -2.5 m -3.5 m -5.5 m W.T.V -11.5 m - BOS 25 0.890 008 100 Building 800 0.865 0.830 0.798 0.765 19.0 kN/m³; saturated sand - 21.0 kN/m³; Rock stratum Soil profile TIK TIK Sand 200 Clay 10 400 Y₁ = 19.0 kN/m³ Ysat = 21.0 kN/m³ Ysat = 19.5 kN/m³ TIRTIN
Example 9.3: Figure 9.30 represents the average soil profile obtained from boreholes, at ground water table is at a depth of 3.5 m. It is estimated that the additional stress on the the site of a proposed building whose foundation is to be placed at a depth of 2.5 m. The clay layer due to the weight of the building will be 150 kN/m² at the top of the clay and 70 kN/m² at the bottom of the clay. Following results were obtained from consolidation tests: Applied stress (kN/m²) 50 Void ratio 0.882 Unit weights: sand above water table clay-19.5 kN/m³. Determine the settlement of the clay layer. El.0 m A AI -2.5 m -3.5 m -5.5 m W.T.V -11.5 m - BOS 25 0.890 008 100 Building 800 0.865 0.830 0.798 0.765 19.0 kN/m³; saturated sand - 21.0 kN/m³; Rock stratum Soil profile TIK TIK Sand 200 Clay 10 400 Y₁ = 19.0 kN/m³ Ysat = 21.0 kN/m³ Ysat = 19.5 kN/m³ TIRTIN
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter12: Subsurface Exploration
Section: Chapter Questions
Problem 12.13P
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