Strength And Calculation of Dimensions of Iron And Steel Constructions, With Reference to the Latest Experiments
The book Strength And Calculation of Dimensions of Iron And Steel Constructions, With Reference to the Latest Experiments was written by author Weyrauch, Jacob J. (Jacob Johann), B. 1845 Here you can read free online of Strength And Calculation of Dimensions of Iron And Steel Constructions, With Reference to the Latest Experiments book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Strength And Calculation of Dimensions of Iron And Steel Constructions, With Reference to the Latest Experiments a good or bad book?
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(23) 3 bh These are the formulas of Laissle and Schubler. The values of b for wrought-iron in the respective eases when the shearing is always in the same direction, as near supports ; and when it acts in opposite directions, as near the middle of spans, are — 1 min. V x . 6=700(1+- ) \ 2 max. V x ' (1 max. Vx v 1-- ) 2 max. Vx Formulas (22) and (23) give the maximum value only of max. V a ; this always occurs at a support, so that only the first b formula for b is employed. For a simple plate-...girder with uniformly distributed load, max. Vx = iq I ; min. Vx = \pl; hence J=700( 1+— ) V 2 2 / and by substitution in (22) 930+ 1 + - W , 2?' in which p = weight of girder, q = total load in met. kil. per meter ; I = width of span in metres ; h = distance be- tween centres of gravity in centimeters. Example. — For simple plate girders of I = 7 and 10 m. 65 of span ; h = 70 and 100 ctr. ; p = 900, q = 8,100 ; p = 1,100, q = 6,600 kil. What thickness of web answers for all forces ? 8,100.7 ForZ = 7 d = =0.82 cm.
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