A series of direct shear test has been performed on a dense well grades sand. all tests were performed on 3.00 in diameter, 1.25 in tall cylindrical specimens. and were run slowly enough to produce the drained condition. The results of these tests are summarized in the following table.
Test Number Normal Load(lb) Shear Load at Failure(lb)
1 100 84
2 200 159
3 400 319