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A soil has percentage air voids of the order of 30%. it has porosity of 0.4.the air content of that soil will be?
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A soil has percentage air voids of the order of 30%. it has porosity o...
Calculation of Air Content in Soil with Given Porosity and Percentage of Air Voids

Given data:

Percentage of air voids = 30%

Porosity = 0.4

Calculation:

Air Voids = Porosity x Volume

Volume = Total Volume - Volume of Solids

Porosity = Volume of Voids / Total Volume

Air Voids = Percentage of Air Voids x Total Volume / 100

Therefore, Air Voids = 30% x Total Volume / 100

Substituting the value of Porosity:

Porosity = Volume of Voids / Total Volume

0.4 = Volume of Voids / Total Volume

Therefore, Volume of Voids = 0.4 x Total Volume

Substituting the values in the equation of Air Voids:

Air Voids = 30% x Total Volume / 100

Air Voids = 0.3 x (Total Volume - Volume of Solids)

Air Voids = 0.3 x Total Volume - 0.3 x Volume of Solids

Air Voids = 0.3 x Total Volume - 0.3 x (1 - Porosity) x Total Volume

Air Voids = 0.3 x Total Volume - 0.3 x (1 - 0.4) x Total Volume

Air Voids = 0.3 x Total Volume - 0.3 x 0.6 x Total Volume

Air Voids = 0.3 x 0.4 x Total Volume

Therefore, the air content of the soil will be 12%.
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A soil has percentage air voids of the order of 30%. it has porosity of 0.4.the air content of that soil will be?
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A soil has percentage air voids of the order of 30%. it has porosity of 0.4.the air content of that soil will be? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A soil has percentage air voids of the order of 30%. it has porosity of 0.4.the air content of that soil will be? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A soil has percentage air voids of the order of 30%. it has porosity of 0.4.the air content of that soil will be?.
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