An open cut excavation in clay soils is formed following the slope geometry shown in Figure...
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An open cut excavation in clay soils is formed following the slope geometry shown in Figure Q6 below. a. Check the stability of the slope using EC7 DA1C1 and DA1C2 based on the given trial failure surface? b. What is the maximum surcharge load (q) that can be placed at the ground surface (ie, at the crest of the slope) in order to satisfy EC7 DA1C2 check? c. Tension crack may develop at the ground surface. Determine the tension crack depth and additional moment due to water filled tension crack? d. Without going into calculation, explain conceptually how the tension crack filled with water will affect the analysis in (a)? 4.0 3.0 5.0 q=30 kPa 1.5 7.5 W₂ Area A₂ = 37.0 m² 2.9 of 86.2° -- q= 20 kPa 2.5 1 1 25.2° 6.4 1 8.5 7. Figure Q6 1 r = 15.0m W₁ Area A₁ 100.4 m² 5.9 A Soil A y = 18 kN/m³ Su = 30 kPa Soil B y = 18 kN/m³ Su = 50 kPa Units are in metre H 0 1 2 3 4 5 An open cut excavation in clay soils is formed following the slope geometry shown in Figure Q6 below. a. Check the stability of the slope using EC7 DA1C1 and DA1C2 based on the given trial failure surface? b. What is the maximum surcharge load (q) that can be placed at the ground surface (ie, at the crest of the slope) in order to satisfy EC7 DA1C2 check? c. Tension crack may develop at the ground surface. Determine the tension crack depth and additional moment due to water filled tension crack? d. Without going into calculation, explain conceptually how the tension crack filled with water will affect the analysis in (a)? 4.0 3.0 5.0 q=30 kPa 1.5 7.5 W₂ Area A₂ = 37.0 m² 2.9 of 86.2° -- q= 20 kPa 2.5 1 1 25.2° 6.4 1 8.5 7. Figure Q6 1 r = 15.0m W₁ Area A₁ 100.4 m² 5.9 A Soil A y = 18 kN/m³ Su = 30 kPa Soil B y = 18 kN/m³ Su = 50 kPa Units are in metre H 0 1 2 3 4 5
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Financial Statement Analysis
ISBN: 978-0078110962
11th edition
Authors: K. R. Subramanyam, John Wild
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