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Chapter 5 Stresses in Beam (Basic Topics) - 首頁
ocw.nthu.edu.tw3 5.4 Longitudinal Strains in Beams consider a portion ab of a beam in pure bending produced by a positive bending moment M, the cross section may be of any shape provided it is symmetric about y-axis under the moment M, its axis is bent into a circular curve, cross section mn and pq remain plane and normal to longitudinal lines (plane remains plane can be established by experimental result)