Merriman, Mansfield, 1848-1925, Jacoby, Henry Sylvester, b. 1857 · New York Wiley · leaf 63
is imperfect, owing to the omission of diagonals inthe span or panel over the pier. As this panel has horizontalchords it follows that no shear can be transmitted through it,and hence the continuity is defective. Let the length of themiddle span be ///, and that of each of the other spans be /.If a… … Fig. 30. opposite signs, and the moments /J/^ and M.^ will be equal. Itis seen that while R^ is negative, A.^ and Ag are both positive. This is a favorable conditionfor rim-bearing trusses, sinceall tendency to tipping of theturntable is thus avoided.Sometimes diagonals are , in-serted over the…
Bridges · Roofs
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Educational handwork [microform] (1910)](https://img.insideoutlibrary.com/img/200/ia-cihm_80967-128-0.webp)
