Problem 1 A sample of clay silt is mixed at about its liquid limit of 42. It is placed carefully in a small porcelain dish with a volume of 20.3 cu.cm and weight 35.67 g. After oven drying, the soil pat displaced 215.8 g of mercury. a. Determine the shrinkage limit of the soil sample. b. Determine the density of the soil. c. Determine the dry density of the soil if it has a void ratio of 0.75. Breble m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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ATTERBERG LIMITS
Problem 5
A laboratory test was conducted to determine the
shrinkage limit of a soil sample. The following data
were obtained.
Problem 1
A sample of clay silt is mixed at about its liquid limit
of 42. It is placed carefully in a small porcelain dish
with a volume of 20.3 cu.cm and weight 35.67 g.
After oven drying, the soil pat displaced 215.8 g of
mercury.
Mass of dish coated with petroleum jelly = 13.30 g
Mass of dish coated with petroleum jelly plus wet
soil = 40.51 g
Mass of dish coated with petroleum jelly plus oven-
dried soil = 33.81 g
Volume of wet soil pat (same as volume of
shrinkage dish) = 16.50 cu.cm
Determine the shrinkage limit of the soil
sample.
Determine the density of the soil.
Determine the dry density of the soil if it
a.
b.
C.
has a void ratio of 0.75.
Volume of oven-dried soil pat = 11.88 cu.cm
a.
Compute the water content of the wet soil
Problem 2
pat.
b. Compute the shrinkage limit.
Compute the shrinkage ratio.
A saturated sample of clay with a shrinkage limit of
23 has a natural water content of 35.50%.
C.
What would its dry volume be as a
percentage of its original volume if the
density of soil = 2.70?
a.
Problem 6
A saturated 105 cu.cm clay sample has a natural
water content of 32%. It is found that the shrinkage
limit occurs when the water content is 19.50 %. If
b.
What would be the void ratio of the soil in
its natural water content?
What is the dry density of the soil sample?
the sp.gr. of soil is 2.80.
C.
Compute the shrinkage ratio.
Compute the volume of sample when the
a.
Problem 3
b.
water content is 15%.
During a shrinkage limit test on a silty clay, the
volume of dry soil pat was found to be 11.76 cu.m
and its dry mass was 23.68 g. The shrinkage limit
C.
Compute the mass of dry soil sample.
was 11.15.
Problem 7
A clay has the following atterberg limits:
a. What is the density of soil solids?
What is the void ratio assuming the soil is
fully saturated?
What is the dry density of the soil?
b.
liquid limit
plastic limit
shrinkage limit
= 61%,
= 42%,
= 23%.
C.
Problem 4
The clay shrinks from 15.50 cubic meter to 9.75
cubic centimeters when the moisture content is
During the determination of the shrinkage limit of a
sandy clay, the following laboratory data was
decreased from the liquid limit to the shrinkage limit.
obtained.
What is the specific gravity?
What is the plasticity index?
What is the liquidity index if the moisture
а.
b.
Wet weight of soil + dish = 88.85 g
Dry weight of soil + dish = 78.91 g
Weight of dish
с.
= 53.70 g
content is 52.50 %
d.
From a hydrometer analysis to determine
particle sizes, it is found that 45.25 % of
the sample consists of particles smaller
than 0.002 mm. From this information
Volumetric determination of soil pat.
Weight of dish + mercury = 435.80 g
Weight of dish = 242.62 g
indicate the activity classification of the
Calculate the shrinkage limit of the soil if
the density of soil is 2750 kg/cu.m
b. Compute the void ratio of the soil sample
assuming it to be saturated.
c. Compute the dry density of the soil.
a.
clay.
Transcribed Image Text:ATTERBERG LIMITS Problem 5 A laboratory test was conducted to determine the shrinkage limit of a soil sample. The following data were obtained. Problem 1 A sample of clay silt is mixed at about its liquid limit of 42. It is placed carefully in a small porcelain dish with a volume of 20.3 cu.cm and weight 35.67 g. After oven drying, the soil pat displaced 215.8 g of mercury. Mass of dish coated with petroleum jelly = 13.30 g Mass of dish coated with petroleum jelly plus wet soil = 40.51 g Mass of dish coated with petroleum jelly plus oven- dried soil = 33.81 g Volume of wet soil pat (same as volume of shrinkage dish) = 16.50 cu.cm Determine the shrinkage limit of the soil sample. Determine the density of the soil. Determine the dry density of the soil if it a. b. C. has a void ratio of 0.75. Volume of oven-dried soil pat = 11.88 cu.cm a. Compute the water content of the wet soil Problem 2 pat. b. Compute the shrinkage limit. Compute the shrinkage ratio. A saturated sample of clay with a shrinkage limit of 23 has a natural water content of 35.50%. C. What would its dry volume be as a percentage of its original volume if the density of soil = 2.70? a. Problem 6 A saturated 105 cu.cm clay sample has a natural water content of 32%. It is found that the shrinkage limit occurs when the water content is 19.50 %. If b. What would be the void ratio of the soil in its natural water content? What is the dry density of the soil sample? the sp.gr. of soil is 2.80. C. Compute the shrinkage ratio. Compute the volume of sample when the a. Problem 3 b. water content is 15%. During a shrinkage limit test on a silty clay, the volume of dry soil pat was found to be 11.76 cu.m and its dry mass was 23.68 g. The shrinkage limit C. Compute the mass of dry soil sample. was 11.15. Problem 7 A clay has the following atterberg limits: a. What is the density of soil solids? What is the void ratio assuming the soil is fully saturated? What is the dry density of the soil? b. liquid limit plastic limit shrinkage limit = 61%, = 42%, = 23%. C. Problem 4 The clay shrinks from 15.50 cubic meter to 9.75 cubic centimeters when the moisture content is During the determination of the shrinkage limit of a sandy clay, the following laboratory data was decreased from the liquid limit to the shrinkage limit. obtained. What is the specific gravity? What is the plasticity index? What is the liquidity index if the moisture а. b. Wet weight of soil + dish = 88.85 g Dry weight of soil + dish = 78.91 g Weight of dish с. = 53.70 g content is 52.50 % d. From a hydrometer analysis to determine particle sizes, it is found that 45.25 % of the sample consists of particles smaller than 0.002 mm. From this information Volumetric determination of soil pat. Weight of dish + mercury = 435.80 g Weight of dish = 242.62 g indicate the activity classification of the Calculate the shrinkage limit of the soil if the density of soil is 2750 kg/cu.m b. Compute the void ratio of the soil sample assuming it to be saturated. c. Compute the dry density of the soil. a. clay.
ATTERBERG LIMITS
Problem 5
A laboratory test was conducted to determine the
shrinkage limit of a soil sample. The following data
Problem 1
A sample of clay silt is mixed at about its liquid limit
of 42. It is placed carefully in a small porcelain dish
with a volume of 20.3 cu.cm and weight 35.67 g.
After oven drying, the soil pat displaced 215.8 g of
were obtained.
Mass of dish coated with petroleum jelly = 13.30 g
Mass of dish coated with petroleum jelly plus wet
soil = 40.51 g
Mass of dish coated with petroleum jelly plus oven-
dried soil = 33.81 g
Volume of wet soil pat (same as volume of
shrinkage dish) = 16.50 cu.cm
mercury.
a.
Determine the shrinkage limit of the soil
sample.
Determine the density of the soil.
Determine the dry density of the soil if it
b.
C.
has a void ratio of 0.75.
Volume of oven-dried soil pat = 11.88 cu.cm
a. Compute the water content of the wet soil
pat.
Compute the shrinkage limit.
Compute the shrinkage ratio.
Problem 2
b.
A saturated sample of clay with a shrinkage limit of
23 has a natural water content of 35.50%.
С.
What would its dry volume be as a
percentage of its original volume if the
density of soil = 2.70?
a.
Problem 6
A saturated 105 cu.cm clay sample has a natural
water content of 32%. It is found that the shrinkage
b.
What would be the void ratio of the soil in
limit occurs when the water content is 19.50 %. If
its natural water content?
What is the dry density of the soil sample?
the sp.gr. of soil is 2.80.
C.
Compute the shrinkage ratio.
Compute the volume of sample when the
a.
Problem 3
b.
water content is 15%.
During a shrinkage limit test on a silty clay, the
volume of dry soil pat was found to be 11.76 cu.m
and its dry mass was 23.68 g. The shrinkage limit
C.
Compute the mass of dry soil sample.
was 11.15.
Problem 7
A clay has the following atterberg limits:
What is the density of soil solids?
What is the void ratio assuming the soil is
fully saturated?
What is the dry density of the soil?
a.
b.
liquid limit
plastic limit
shrinkage limit
= 61%,
= 42%,
C.
= 23%.
Problem 4
The clay shrinks from 15.50 cubic meter to 9.75
cubic centimeters when the moisture content is
During the determination of the shrinkage limit of a
andy clay, the following laboratory data was
obtained.
decreased from the liquid limit to the shrinkage limit.
a.
What is the specific gravity?
b.
Wet weight of soil + dish = 88.85 g
Dry weight of soil + dish = 78.91 g
Weight of dish
What is the plasticity index?
What is the liquidity index if the moisture
C.
= 53.70 g
content is 52.50 %
d. From a hydrometer analysis to determine
particle sizes, it is found that 45.25 % of
the sample consists of particles smaller
Volumetric determination of soil pat.
Weight of dish + mercury = 435.80 g
Weight of dish = 242.62 g
than 0.002 mm. From this information
indicate the activity classification of the
clay.
a.
Calculate the shrinkage limit of the soil if
the density of soil is 2750 kg/cu.m
Compute the void ratio of the soil sample
assuming it to be saturated.
Compute the dry density of the soil.
b.
C.
Transcribed Image Text:ATTERBERG LIMITS Problem 5 A laboratory test was conducted to determine the shrinkage limit of a soil sample. The following data Problem 1 A sample of clay silt is mixed at about its liquid limit of 42. It is placed carefully in a small porcelain dish with a volume of 20.3 cu.cm and weight 35.67 g. After oven drying, the soil pat displaced 215.8 g of were obtained. Mass of dish coated with petroleum jelly = 13.30 g Mass of dish coated with petroleum jelly plus wet soil = 40.51 g Mass of dish coated with petroleum jelly plus oven- dried soil = 33.81 g Volume of wet soil pat (same as volume of shrinkage dish) = 16.50 cu.cm mercury. a. Determine the shrinkage limit of the soil sample. Determine the density of the soil. Determine the dry density of the soil if it b. C. has a void ratio of 0.75. Volume of oven-dried soil pat = 11.88 cu.cm a. Compute the water content of the wet soil pat. Compute the shrinkage limit. Compute the shrinkage ratio. Problem 2 b. A saturated sample of clay with a shrinkage limit of 23 has a natural water content of 35.50%. С. What would its dry volume be as a percentage of its original volume if the density of soil = 2.70? a. Problem 6 A saturated 105 cu.cm clay sample has a natural water content of 32%. It is found that the shrinkage b. What would be the void ratio of the soil in limit occurs when the water content is 19.50 %. If its natural water content? What is the dry density of the soil sample? the sp.gr. of soil is 2.80. C. Compute the shrinkage ratio. Compute the volume of sample when the a. Problem 3 b. water content is 15%. During a shrinkage limit test on a silty clay, the volume of dry soil pat was found to be 11.76 cu.m and its dry mass was 23.68 g. The shrinkage limit C. Compute the mass of dry soil sample. was 11.15. Problem 7 A clay has the following atterberg limits: What is the density of soil solids? What is the void ratio assuming the soil is fully saturated? What is the dry density of the soil? a. b. liquid limit plastic limit shrinkage limit = 61%, = 42%, C. = 23%. Problem 4 The clay shrinks from 15.50 cubic meter to 9.75 cubic centimeters when the moisture content is During the determination of the shrinkage limit of a andy clay, the following laboratory data was obtained. decreased from the liquid limit to the shrinkage limit. a. What is the specific gravity? b. Wet weight of soil + dish = 88.85 g Dry weight of soil + dish = 78.91 g Weight of dish What is the plasticity index? What is the liquidity index if the moisture C. = 53.70 g content is 52.50 % d. From a hydrometer analysis to determine particle sizes, it is found that 45.25 % of the sample consists of particles smaller Volumetric determination of soil pat. Weight of dish + mercury = 435.80 g Weight of dish = 242.62 g than 0.002 mm. From this information indicate the activity classification of the clay. a. Calculate the shrinkage limit of the soil if the density of soil is 2750 kg/cu.m Compute the void ratio of the soil sample assuming it to be saturated. Compute the dry density of the soil. b. C.
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