Soil Mechanics Laboratory
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. ??????????????????????????????. ASTM D 1556-00 Test Method for Density and Unit Weight of Soilin Place by the Sand Cone Method.ASTM D 4914-99 Test Methods for Density of Soil and Rock inPlace by the Sand Replacement Method in a Test Pit.ASTM D 5030-89 Test Method for Density of Soil a

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Soil Mechanics Laboratory

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Soil mechanics laboratory

Soil Mechanics Laboratory

Lab 11: Field Density Test

Rajamangala

Civil Engineering

University of Technology Rattanakosin

Wang Klai Kangwong


Soil mechanics laboratory

ASTM D 1556-00 Test Method for Density and Unit Weight of Soil

in Place by the Sand Cone Method.

ASTM D 4914-99 Test Methods for Density of Soil and Rock in

Place by the Sand Replacement Method in a Test Pit.

ASTM D 5030-89 Test Method for Density of Soil and Rock in Place

by the Water Replacement Method in a Test Pit.

ASTM D 5195-91 Test Methods for Density of Soil and Rock in-Place

at Depths below the Surface by Nuclear Methods.


Soil mechanics laboratory


Soil mechanics laboratory


Soil mechanics laboratory

/

  • (Destructive Methods)

  • (Nondestructive Methods)


Soil mechanics laboratory

  • (Destructive Methods)

    • (Sand Cone Method)


Soil mechanics laboratory

  • (Rubber Balloon Method)


Soil mechanics laboratory

  • (Water or Oil Displacement Method)


Soil mechanics laboratory

  • (Nondestructive Methods)

    • (Nuclear Method)

Moisture Content

Neutron

Density

Gamma Ray


Soil mechanics laboratory

  • (Proctor Needle Method)


Soil mechanics laboratory

: Material Selection

: Laboratory Compaction

- Gradation

- Specific Gravity

- Density

- Atterbergs Limits

- Moister Content

: Field Compaction

- Standard Proctor Test

- Modified Proctor Test

- Maximum Index Density

- Minimum Index Density

- Sand Cone Method

- Rubber Balloon Method

- Nuclear Density Method

- Water Replacement Method


Soil mechanics laboratory

Ottawa Sand 20 40


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Modified


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10 .


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Soil mechanics laboratory


Soil mechanics laboratory

  • 1


Soil mechanics laboratory

  • (Relative Compaction)

    (Percent Compaction)

  • (Relative Density)


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(, )

()


Soil mechanics laboratory


Soil mechanics laboratory


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2.


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3.


Soil mechanics laboratory

  • 95 100 % Modified AASSTO

  • 85 90 % Modified AASSTO

  • , 90 95 % Standard AASSTO

  • 95 100 % Standard AASSTO

  • 95 100 % Standard AASSTO


Soil mechanics laboratory


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