J. C. Meem

With discussion by Messrs. T. Kennard Thomson, Charles E. Gregory, Francis W. Perry, E.P. Goodrich, Francis L. Pruyn, Frank H. Carter, and J.C. Meem. In the final discussion of the writer's paper, "The Bracing of Trenches and Tunnels, With Practical Formulas for Earth Pressures," certain minor experiments were noted in connection with the arching properties of sand. In the present paper it... more...