McMaster, John Bach, 1852-1932, Making of America Project · New York, D. Van Nostrand · leaf 65
cocketcentre of large span. Here the C F,H F and D (7, are placed in the directionof the radii of curvature and madedouble ; the remaining braces are single.In determining the proper dimensionsfor the scantling of such a frame, wemay take | of the total pressure on thearc HH, and suppose it to act… … 61 beams E F and F F is to be found fromthe diagram of forces, Fig. 5. Here hfwhich is in the direction of H F produced, represents the pressure on this beam;EA is drawn parallel to EF, and efparallel to F F, which being measuredgive the strain on EF and FF respectively. If it is desirable to…
Bridges · Tunneling
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
