A dense silt layer has the following properties: void ratio = 0.77, specific gravity = 2.51. Free ground water is 10.37 m. below the ground. Capillary action rise will reach 5.6 meters. The soil above capilary action rise is dry while within the zone, it is saturated at 53.53%. Determine the effective pressure (in kPa) at a depth of 7.72 meters from the ground surface. Round off to three decimal places.

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter11: Ground Improvement
Section: Chapter Questions
Problem 11.9P
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A dense silt layer has the following properties: void ratio = 0.77, specific gravity
= 2.51. Free ground water is 10.37 m. below the ground. Capillary action rise
will reach 5.6 meters. The soil above capilary action rise is dry while within the
zone, it is saturated at 53.53%. Determine the effective pressure (in kPa) at a
depth of 7.72 meters from the ground surface. Round off to three decimal
places.
Selected Answer: ® 140.131
Correct Answer: 128.051 + 1
Transcribed Image Text:A dense silt layer has the following properties: void ratio = 0.77, specific gravity = 2.51. Free ground water is 10.37 m. below the ground. Capillary action rise will reach 5.6 meters. The soil above capilary action rise is dry while within the zone, it is saturated at 53.53%. Determine the effective pressure (in kPa) at a depth of 7.72 meters from the ground surface. Round off to three decimal places. Selected Answer: ® 140.131 Correct Answer: 128.051 + 1
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