[Footnote 26:] Transactions, Am. Soc. C. E., Vol. LX, p. 84.] [Return to text]
[Footnote 27:] This is reviewed in Engineering News, January 19th, 1911.] [Return to text]
[Footnote 28:] The formulas used will be found in the writer’s “Retaining Walls,” sixth edition, p. 96, et seq.] [Return to text]
[Footnote 29:] This assumes that the values of
and
do not decrease for the greater depths.] [Return to text]
[Footnote 30:] In the Appendix, the “semi-empirical” formula,
