Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 463
a section of the arch ring onefoot thick (parallel with the axis of the arch). The area ofthe voussoir practically equals the length (between the joints ofthat section) of the middle curve, times the thickness of the arch ring.The area of the load trapezoid equals the horizontal width betweenthe… … Fig. 221. Graphical Determination of Circular Arch, Span and Rise Being KnowTi. 386 MASONRY AND REINFORCED CONCRETE 367 sions of the voussoirs to the span of the arch, the errors involved by theapproximations are harmless, while the additional labor necessary fora more accurate solution would not…
Architecture · Building
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