The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 155
able—perhaps even more so in the lattercase, since an extra quantity of land would be required, under probablyless favourable circumstances, for purchase, and the additional increase tothe slopes, subsequent to the first formation, would be attended with anincreased cost in the labour. If, in the… … gitudinal section, H F and H G the half-widths at the formation level, it is obvious that the simple addition of each slope (calculated to the depth at the centre) to the half-widths at the bottom would, in the present case, be inapplicable—since the widths so obtained would be too small for the…
Architecture · Civil engineering · Science
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