. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. joists(as shown in flg. 672.). In this wayof framing a floor, if a girder is used,it should be laid as nearly as pos-sible over the centre of the apart- pment. A single floor containingthe same (piantity of timber as adouble floor is much stronger ; butthe ceiling of the former is liable ^to crack, and cannot be got to so good a surface when finished. Hence, where the bearings are long, it is much better touse double flooring. 2015. The scantlings o
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. joists(as shown in flg. 672.). In this wayof framing a floor, if a girder is used,it should be laid as nearly as pos-sible over the centre of the apart- pment. A single floor containingthe same (piantity of timber as adouble floor is much stronger ; butthe ceiling of the former is liable ^to crack, and cannot be got to so good a surface when finished. Hence, where the bearings are long, it is much better touse double flooring. 2015. The scantlings of fir joists for single flooring are exhibited in the subjoined table,and are founded on our own practice. The weight of a square varies from 1 1 to 1 8 cwt. Length in Feet. Wiiltli in Inches. Depth in hiclies. (>• 2 6 8 Ji, 7 10 ^i 71 12 2i 8 14 2^ 9 18 2^ 12 20 .5 12 These scantlings may be varied if wanted, according ti. the laws laid down in the section Beams, Pillars, &c.; 1622. el sey. 2016. li^ flg- 6T-2. AA.\ ale the joists, and B the floor boards. The laths for the ceilingarc nailed to the under side of the joints .V.\. (il8 TIIKORV OF AUnir IECTURE. Book II.
Size: 2374px × 1053px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
