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. Railroad construction. Theory and practice . ^ that calculations based on any assumed value for it areof small reliability. In the second place the weight of the prismof earth lying directly above the stone, plus an allowance for liveload, is by no means a measure of the load on the stone nor ofthe forces that tend to fracture it. All earthwork will tend to. t^5^
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Keywords: ., bookauthorwebbwalt, bookcentury1900, bookdecade1900, bookyear1903