4. From two permeability tests it is found that the void ratio and hydraulic conductivity of a normally consolidated clay are 1.
45 and 0.7x10-7 cm/sec respectively, and 1.55 and 1.55 x 10-7 cm/sec respectively. Estimate the permeability coefficient at a void ratio of 1.5. Use Samarasinghe, Huang and Drenevich relationship
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Answer:
The speed of the sound for the adiabatic gas is 313 m/s
Explanation:
For adiabatic state gas, the speed of the sound c is calculated by the following expression:
Where R is the gas's particular constant defined in terms of Cp and Cv:
For particular values given:
The gamma undimensional constant is also expressed as a function of Cv and Cp:
And the variable T is the temperature in Kelvin. Thus for the known temperature:
The Jules unit can expressing by:
Replacing the new units for the speed of the sound: