Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 198
; CHIMNEYS FOR POWDER BOILERS 175 Let di, d%, ds, d,^ + di -\-di + axis being taken on the center line x - x, Fig. S. In this case any bolt vdH be stressed in propor-tion to its distance from the neutral axis, the bolts on the windward side of the neutral axisbeing in tension. . d„ = distance of… … Fig. 8. 25XDX H in which 25 is the assumed wind pressure in lb. per sq. ft. of projected area.D = diameter of cylindrical stack (ft.) and H = height (ft.).R = righting moment. = weight of chimney X t.P = overturning moment, ft.-lb. = M - R.A = area of bolt at root of thread, sq. in./ = allowable…
Building · Heating · Ventilation
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