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The analytical solution of schaffernak and Van Iterson gave result only for slopes, having __________

(a) α>30°

(b) α<30°

(c) α>60°

(d) α<60°

The question was asked in homework.

Asked question is from Seepage Analysis topic in portion Seepage Analysis of Geotechnical Engineering I

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The correct choice is (b) α<30°

For explanation: The analytical solution of schaffernak and van iterson provided result, as long as slope is gentle i.e., α<30°. For steeper slopes, the deviation form correct values increases rapidly beyond tolerable limits.

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