The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 153
n-gents to the intrados, or extrados. Art. 9. Pruhlem 2.—To find the second point of rupture, in anarch whose voussoirs are incompressible, the form of whicli and thepressure sustained by it, as regards position, direction, and amount,being similar on either side of the crown of the arch. Also to… … Diagram 7. Diagram 6. diagram 3. But when the arch is in the condition of unstableequilibrium, that is, when it is on the balance between standingand falling, and when the voussoirs are on the point of turning ontheir edges at A„ Aa, &c., then the point of application of the re- Diagram 9. is,…
Architecture · Civil engineering · Science
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