0.0083 Question 1.Compare the calculated results to typical values given in your

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0.0083

Question

1.Compare the calculated results to typical values given in your textbook. Do your results seem reasonable? If not, offer reasons why.
2.Of the two plots generated above, which do you think better represents the correlation between k and e? How would the change in head, h, affect the test results? Would this impact the resulting value of k? Why or why not?
3.If you are considering using this soil as a filter material, what other soil properties might be of interest?
4.For what applications might infiltration rates (double ring infiltration testing) be necessary in addition to hydraulic conductivity (permeability testing)? When would one be preferred over the other?

Pleasing typing!!!

A B C D E L(cm) 12.5 13.4 13.7 14 14.2 d(cm) 5.9 5.95 6 6 6 A(cm^2) 27.34 27.8 28.3 28.3 28.3 Wd(g) 584.2 666.9 731.9 709.8 810.1 h(cm) 76 45 69.5 78.5 20.5 Temperature 15 15 15 15 15 viscosity ratio 1.1347 1.1347 1.1347 1.1347 1.1347 Q(cm^3/s) 0.2 0.099 0.077 0.03

0.0083

0.6 0.5 0.4 0.3 0.2 0.1 The relationship between k and e y 151.38x +0.360A... 0.0002 0.0004 0.0006 0.0008 0.001 0.0012 Hydraulic conductivity (cm/s) 20 VS. e k20 VS. en 3/(1+e) Linear (k20 VS. e) Linear (k20 VS. e) Linear (k20 VS. en 3/(1+e))

Explanation / Answer

1. The values given are reasonable as the void ratio is always so constant in addition to a linear function of hydraulic conductivity. Both the plots seems to be reasonable and practical.

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