A soil sample is subjected to an initial equal-all-around hydrostatic state of stress of 5...

A soil sample is subjected to an initial equal-all-around hydrostatic state of stress of 50 kPa. Sketch the stress paths for the loading conditions when

(a) σh remains constant and a, increases to 100 kPa;

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(b) σv, is held constant while σv, increases to 100 kPa;

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(c) both σh and σv, are increased to 100 kPa;

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(d) σh remains constant while 07, decreases to 10 kPa; and

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(e) σv is increased by 25 kPa at the same time that σh is decreased by 25 kPa.