A soil sample has the following size distribution; 4 to 2mm = 17%, 2 to 0.05 mm = 12%, 0.5 to 0.005 mm = 22% 0.005 to 0.002 mm = 10% <0.002 mm = 39% what are the percentages of clay, silt, and sand? Using USDA calssification what is the modifier and tetural classification
A soil sample has the following size distribution; 4 to 2mm = 17%, 2 to 0.05 mm = 12%, 0.5 to 0.005 mm = 22% 0.005 to 0.002 mm = 10% <0.002 mm = 39% what are the percentages of clay, silt, and sand? Using USDA calssification what is the modifier and tetural classification
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A soil sample has the following size distribution;
4 to 2mm = 17%,
2 to 0.05 mm = 12%,
0.5 to 0.005 mm = 22%
0.005 to 0.002 mm = 10%
<0.002 mm = 39%
what are the percentages of clay, silt, and sand? Using USDA calssification what is the modifier and tetural classification
Transcribed Image Text:Exercise Table 4.1
Rock Type
Basalt
Syenite
Gabbro
Gneiss
Dolomite
Arkose
Minerals Present
Muscovite, quartz (with schistosity)
Weathering Conditions
Humid
Arid
Arid
Humid, tropical
Arid
Arid
Products
Clay minerals and iron oxide
Expert Solution
Step 1
Given data:
| Size | Percentage |
| 4 to 2mm | 17% |
| 2 to 0.05 mm | 12% |
| 0.05 to 0.005 mm | 22% |
| 0.005 to 0.002 mm | 10% |
| less than 0.002 mm | 39% |
Note :
In the third row 0.5 is given but it has to be 0.05
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