Instructions on Modern American Bridge Building

Instructions on Modern American Bridge Building

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Description

"[...] Required the depth. From the above formula we have Equation: d = (sqrt)(w x 4L / 5000 b) substituting Equation: d = (sqrt)(18000 x 168 x 4 / 5000 x 9) = (sqrt)268.8 = 16 inches nearly. [...].""show more

Product details

  • Paperback | 38 pages
  • 152.4 x 228.6 x 1.78mm | 95.25g
  • Createspace
  • United States
  • English
  • black & white illustrations
  • 1507676875
  • 9781507676875