1 specific gravity. 2 specific gravity gs 3 phase material
TRANSCRIPT
1
Specific Gravity
2
Specific Gravity Gs
3
Phase Material
4
The Mineral Skeleton
5
Three Phase Diagram
6
Fully Saturated Soils
7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
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2
Specific Gravity Gs
3
Phase Material
4
The Mineral Skeleton
5
Three Phase Diagram
6
Fully Saturated Soils
7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
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- Slide 24
- Slide 25
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- Slide 28
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3
Phase Material
4
The Mineral Skeleton
5
Three Phase Diagram
6
Fully Saturated Soils
7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
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- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
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4
The Mineral Skeleton
5
Three Phase Diagram
6
Fully Saturated Soils
7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
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- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
-
5
Three Phase Diagram
6
Fully Saturated Soils
7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
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- Slide 9
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- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
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6
Fully Saturated Soils
7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
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- Slide 26
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7
Dry Soils
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
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- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
-
8
Partly Saturated Soils
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
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- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
-
9
Phase Diagram
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
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- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
-
10
Objectives of a Phase Diagram
To compute the weights (or masses) and volumes of the three different phases
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
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- Slide 19
- Slide 20
- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
-
11
Volume RelationshipsVoid ratio (e) is a measure of the void volume
12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
- Slide 11
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- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
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12
Volume RelationshipsPorosity (n) is also a measure of the void volume expressed as a percentage
13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- Slide 7
- Slide 8
- Slide 9
- Slide 10
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- Slide 21
- Slide 22
- Slide 23
- Slide 24
- Slide 25
- Slide 26
- Slide 27
- Slide 28
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13
Volume RelationshipsDegree of saturation (S) is the percentage of the void volume filled by water
14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
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14
Weight RelationshipsWater content (w) is a measure of the waterpresent in the soil
15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
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15
Unit Weight Relationships
16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
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16
Unit Weight Relationships
17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
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17
Phase Relations
Consider a fraction of the soil where Vs = 1The other volumes canbe obtained from theprevious definitionsThe weights can be obtained from Weights = Unit Weights x Volume
18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
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18
Phase Relations
From the previous definitions
19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
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19
Phase Relations
20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
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20
Definitions
Bulk (natural) saturated dry and submergeddensities (ρ) are defined in a similar mannerHere you can also use mass (kg) instead of weight (kN)γ g = ρ = MVWhereγ =Nm3 g= ms2 ρ = kgm3
21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
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21
Specific Gravity
22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
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22
Specific Gravity In Terms of Density
23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
- Slide 4
- Slide 5
- Slide 6
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23
Relationship between parameters
These definitions can be used to determine any desired relationships between above quantities and hence to determine void ratio degree of saturation etc That can not be measured directly by laboratory tests Some relationships are as follows
24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
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24
Relationship between parameters
25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
- Slide 3
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25
A Gentle Reminder
Try not to memorize the equations Understandthe definitions and develop the relations from the phase diagram with VS = 11048698 Assume GS ( 26-28) when not given1048698 Do not mix densities and unit weights1048698 Soil grains are incompressible Their mass and volume remain the same at any void ratio
26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
- Slide 1
- Slide 2
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26
A Gentle Reminder
27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
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27
A Gentle Reminder
28
Practice Problems
ReadingsDAS Textbook
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28
Practice Problems
ReadingsDAS Textbook
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