The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)

Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 398

An illustration from The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice, 1897, leaf 398 — he great saving in thisdesign is in the facility with which the coupling at A can be made in the field. The wheelsIV are balance wheels, usually four in number, to balance the bridge when swinging. Thesewheels are not supposed to carry any direct load. They are simply intended to carry… … Fig. 384. anced load of say 1000 lbs. at one end of the bridge when swinging. As their duty, at alltimes, is not severe, they are usually made to runon a heavy T rail, which is bent to a circle and laiddirectly on the masonry. These balance wheels are necessary in all forms ofcentre-bearing…

Structural analysis (Engineering) · Bridges · Trusses · Strains and stresses

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The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)

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