Chicago : Engineering and Contracting Pub. Co. · leaf 517
utment, in which tin back wall contains no reinforcement, these forces cannol be moved toward the back ofthe footina by any great amount on account of the large width c of the base of the hackwall, which is made from It. I to 0..r) of It-,. Figure 12 shows an abutment, type Bi, ofthe same height as… … Fig. 11 — Diagram Showing Two Positionsfor Bridge Seat. moved an average distance of <• ins. towardthe back of the footings, by this means de The other defect is due to the absence ■bars in the foundation of type B, and isshown by a comparison of the cross-sectionof the abutment marked Section B…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
