A layer of saturated clay 5 m thick is overlain by 7 m thick sand layer. The water table lies at junction of sand and clay layers and soil is saturated by capillary action upto 4 m above the junction. The saturated unit weight of sand and clay are 19 kN/m3 and 16 kN/m3 respectively and bulk unit weight of sand is 18 kN/m3. The effective stress just above the new water level is 54 kN/m2. Correct Option The effective stress at the junction of clay layer and sand layer is 130 kN/m2. Correct Option The effective stress just below the initial water level is 93.24 kN/m2. The pore water pressure at the junction of sand and clay layer is 0 kN/m2. Correct Option

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A layer of saturated clay 5 m thick is overlain by 7 m thick sand layer. The water table lies at junction of sand and clay layers and soil is saturated by capillary action upto 4 m
above the junction. The saturated unit weight of sand and clay are 19 kN/m³ and 16 kN/m3 respectively and bulk unit weight of sand is 18 kN/m³.
The effective stress just above the new water level is 54 kN/m2.
Correct Option
The effective stress at the junction of clay layer and sand layer is 130 kN/m2.
Correct Option
The effective stress just below the initial water level is 93.24 kN/m².
The pore water pressure at the junction of sand and clay layer is 0 kN/m2.
Correct Option
Transcribed Image Text:A layer of saturated clay 5 m thick is overlain by 7 m thick sand layer. The water table lies at junction of sand and clay layers and soil is saturated by capillary action upto 4 m above the junction. The saturated unit weight of sand and clay are 19 kN/m³ and 16 kN/m3 respectively and bulk unit weight of sand is 18 kN/m³. The effective stress just above the new water level is 54 kN/m2. Correct Option The effective stress at the junction of clay layer and sand layer is 130 kN/m2. Correct Option The effective stress just below the initial water level is 93.24 kN/m². The pore water pressure at the junction of sand and clay layer is 0 kN/m2. Correct Option
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