. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. G^I THEORY OF ARCHITECTURE. POOK II. 2050. Tlie largest timber roof perhaps ever projected, was over a riding liouse at Moscow,in 1790, for Paul I. Emperor of Russia, ilie representation of which may be seen in KiaHt,liecueil Je Charpente. The span is 2155 feet, and the slope witii tlie liorizon about 19^^.Tlie external dimensions of the buildinjr were 19iO feet long by 310 feet wide. ? It waslighted by a lantern at top, and had an interior gallery
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. G^I THEORY OF ARCHITECTURE. POOK II. 2050. Tlie largest timber roof perhaps ever projected, was over a riding liouse at Moscow,in 1790, for Paul I. Emperor of Russia, ilie representation of which may be seen in KiaHt,liecueil Je Charpente. The span is 2155 feet, and the slope witii tlie liorizon about 19^^.Tlie external dimensions of the buildinjr were 19iO feet long by 310 feet wide. ? It waslighted by a lantern at top, and had an interior gallery round tlie building for , in liis Cioil Engineering, states tliat this roof wa, never erected. 2051. We shall close this part of the section with a diagram {fig. 700.) of the roof of. Fig. basilica of S. Paolo fuori le nTira, executed in the fifteenth century. The trusses arelouble, each consisting of two similar frames, nearly 15 inches apart, at intervals from each •itlier of about 10 feet 6 inches. The principal rafters abut on a siiort-king the trusses a piece of timber S is placed and sustained by a strong key of wood passing through it and the short king-posts. This piece sustains tiie beams by means of another strong key at a. The tie beams are in two lengths, and scarfed together, thescarf being held together by three iron straps. The scantlings of tlie timbers are asfollow : beams t, in. full by nearly 15 in. ; principal rafters p, 211 in. by nearly 15 in. ;uusiliary rafters b, full \^\ in. by full 13J in.; straining beam c, near 15 in. by full 12^ in.;jnirlines d, 81 in. square and 5 ft. Tin. apart; common rafters, full 5^ in. by 4Jin., and8.^ in. apart. The roof, which is constructed of fir, is rearly 78 ft. 6 in. span, and
Size: 2767px × 903px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
