Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)
Bullock, John · New York : Stringer & Townsend · leaf 42
endicular to B C, we have, on the princij leof the wedge, WX AB 5A2^XAB AI:AB::W : P = —=— AI 2/XAI and by construction hh^^^l A I, as they are each equa) fco * EF=- X ( - - EB 1 and 5 ii (h \ b m s hfh T=WXEF=^- X- EB r X ART OF BUILDING. 3t twice the area of triangle ABC; therefore, by… … through the centre of pressure, and making E F perpendicularto it; then calling the overturning thrust, as before, T, ABXhsXEFT = PXEF= . When D F passes through E, then E F = 0, and the thrusthas no tendency to overturn the wall ; and, if D F falls withinthe base, the thrust will increase its…
Building
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