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Soil sample and flow condition are shown in the following figure: Inflow с 2m Outflow Soil ↑ B A Ysat of sand = 20 kN/m³, Yw= 20 kN/m³ (i) Find the head, h required to cause quick condition. h 2m 10m Compute the seepage force per unit volume at quick condition. Use cross-section area of tube as 1 m². (iii) A student accidentally broke the left hand riser tube to the point C at an elevation 2 m above point A. Assuming that the water level is now maintained at C, compute the new hydraulic gradient, effective stress at elevation A and seepage force at elevation A.

Soil sample and flow condition are shown in the following figure: Inflow с 2m Outflow Soil ↑ B A Ysat of sand = 20 kN/m³, Yw= 20 kN/m³ (i) Find the head, h required to cause quick condition. h 2m 10m Compute the seepage force per unit volume at quick condition. Use cross-section area of tube as 1 m². (iii) A student accidentally broke the left hand riser tube to the point C at an elevation 2 m above point A. Assuming that the water level is now maintained at C, compute the new hydraulic gradient, effective stress at elevation A and seepage force at elevation A.

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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Soil sample and flow condition are shown in the following figure: Inflow C 2m Outflow Soil ↑ B A Ysat of sand = 20 kN/m³, Yw= 20 kN/m³ (i) Find the head, h required to cause quick condition. h 2m 10m Compute the seepage force per unit volume at quick condition. Use cross-section area of tube as 1 m². (iii) A student accidentally broke the left hand riser tube to the point C at an elevation 2 m above point A. Assuming that the water level is now maintained at C, compute the new hydraulic gradient, effective stress at elevation A and seepage force at elevation A.
Transcribed Image Text:Soil sample and flow condition are shown in the following figure: Inflow C 2m Outflow Soil ↑ B A Ysat of sand = 20 kN/m³, Yw= 20 kN/m³ (i) Find the head, h required to cause quick condition. h 2m 10m Compute the seepage force per unit volume at quick condition. Use cross-section area of tube as 1 m². (iii) A student accidentally broke the left hand riser tube to the point C at an elevation 2 m above point A. Assuming that the water level is now maintained at C, compute the new hydraulic gradient, effective stress at elevation A and seepage force at elevation A.
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