The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 155
lied vertically to the extrados,at a distance of 30° from the crown. Required the first point ofrupture, under these conditions ; the materials being incompressi-ble. First, suppose for trial, some point R, in the extrados, to bethe first point of rupture, say 28° from the crown, as in diagram 13.… … 80.0 ■span,. 0 loiosowso =1 Scale ofweights of Degrees. 10 Scale of Feet. when the arch is about to fail at that point; for then the line ofresistance touches the extrados at R,. Also R, being the firstpoint of rupture, and the arch being about to fail, the pressure ofthe lower portion of the arch,…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
