1- A soil has a bulk density of 1.91 Mg/m and water content of 9.5%.the value of Gs is 2.7, calculate the void ratio and degree ofsaturation of the soil. What would be the values of density and watercontent if the soil were fully saturated at the same void ratio?2- Calculate Ya, Ysat, and Y of the soil having e=0.7 and Gs-2.72,calculate also Y, w at Sr = 0.75.3- The following results obtained from a saturated compaction test, Gs=2.67. Plot the dry density -water content curve and give optimumwater content wopt and (pa )max . plote the curves of zero, 5% and 10%air content and give the value of A at maximum density, the volumeof the mold is 1000cm3M (g)W%PaPd(g/cm')A =0%A= 5%A= 10%201012.8209214.5211415.6210016.8205519.2

Solution Given Data Bulk Density= 1.91 Mg/m3 water Content=9.5% Specific gravity=2.7

1- A soil has a bulk density of 1.91 Mg/m and water content of 9.5%. the value of Gs is 2.7, calculate the void ratio and degree of saturation of the soil. What would be the values of density and water content if the soil were fully saturated at the same void ratio?

1- A soil has a bulk density of 1.91 Mg/m and water content of 9.5%. the value of Gs is 2.7, calculate the void ratio and degree of saturation of the soil. What would be the values of density and water content if the soil were fully saturated at the same void ratio?

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 5.2P

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Concept explainers

Weight-Volume relationships

Weight is defined as the quantity of matter contained in a body. Weight can also be defined as the force acting on a body due to gravity. Mathematically, weight can be defined as-

Question

1- A soil has a bulk density of 1.91 Mg/m and water content of 9.5%.
the value of Gs is 2.7, calculate the void ratio and degree of
saturation of the soil. What would be the values of density and water
content if the soil were fully saturated at the same void ratio?
2- Calculate Ya, Ysat, and Y of the soil having e=0.7 and Gs-2.72,
calculate also Y, w at Sr = 0.75.
3- The following results obtained from a saturated compaction test, Gs
=2.67. Plot the dry density -water content curve and give optimum
water content wopt and (pa )max . plote the curves of zero, 5% and 10%
air content and give the value of A at maximum density, the volume
of the mold is 1000cm3
M (g)
W%
Pa
Pd
(g/cm')
A =0%
A= 5%
A= 10%
2010
12.8
2092
14.5
2114
15.6
2100
16.8
2055
19.2

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