Question

If XY pane is considered to be ground surface and the z-axis as depth, then this condition is known as _______

(a) semi-infinite

(b) infinite

(c) finite

(d) semi- finite

I got this question by my college director while I was bunking the class.

My enquiry is from Stresses due to Self Weight in section Stress Distribution of Geotechnical Engineering I

Answer 1

The correct answer is (a) semi-infinite

To explain I would say: Semi-infinite condition is when one of the dimension extends to infinity. If XY pane is considered to be ground surface and the z-axis as depth, then this condition is known as semi-infinite.