Thus, ten legs on the lateral dirt stress on the wall surface is actually 10 x 100 = 1000 psf. The entire base should really be like a floating size of reinforced concrete. An advantage design-wise of SBRWs is their own concept does not require `At-Rest' stress calcs. Extent is sufficient to account development of 4 miles of double track on the train range between Los Angeles and San Diego.
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