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Explain the solution of Mass of water to be added to reach the full saturation on how they come up with that solution. Thank you

Explain the solution of Mass of water to be added to reach the full saturation on how they come up with that solution. Thank you

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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Explain the solution of Mass of water to be added to reach the full saturation on how they come up with that solution. Thank you
Degree of saturation: w Gs e 15(2.7) S= 0.846 S = 47.9% S=- Mass of water to be added to reach full saturation: (Gs+e) Yw 1+e (2.7+0.846) (9.81) 1+0.846 Ysat = Ysat Ysat 18.84 kN/m³ Mass of water to be added = (18.84-16.5)(1000) 9.81 Mass of water to be added = 238.5 kg/m³
Transcribed Image Text:Degree of saturation: w Gs e 15(2.7) S= 0.846 S = 47.9% S=- Mass of water to be added to reach full saturation: (Gs+e) Yw 1+e (2.7+0.846) (9.81) 1+0.846 Ysat = Ysat Ysat 18.84 kN/m³ Mass of water to be added = (18.84-16.5)(1000) 9.81 Mass of water to be added = 238.5 kg/m³
The moist unit weight of a soil is 16.5 kN/m3. If the water content is 15% and sp.gr. of soil is 2.7, determine the following: (2 Dry unit weight Porosity Degree of saturation Mass of water in kg/m³ to be added to reach full saturation Solution: Dry unit weight: Ydry Y 1 + @ 16.5 Ydry=1+0.15 Ydry = 14.35 kN/m³ 2 Porosity: GsYw Ydry 1 + e 2.7(9.81) 1 + e 14.35 = e=0.846 n= e 1+ e n = 0.458 0.846 1+0.846
Transcribed Image Text:The moist unit weight of a soil is 16.5 kN/m3. If the water content is 15% and sp.gr. of soil is 2.7, determine the following: (2 Dry unit weight Porosity Degree of saturation Mass of water in kg/m³ to be added to reach full saturation Solution: Dry unit weight: Ydry Y 1 + @ 16.5 Ydry=1+0.15 Ydry = 14.35 kN/m³ 2 Porosity: GsYw Ydry 1 + e 2.7(9.81) 1 + e 14.35 = e=0.846 n= e 1+ e n = 0.458 0.846 1+0.846
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