03354nam a2200445 4500 20260818145251.0 200198 th eng .b10397516 AIT Thesis no. 962 Su, Shiann-min Lateral-torsional buckling of wide-flange beams Bangkok : Asian Institute of Technology, 1976 25 p. Thesis ; no. 962 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand Thesis (M.Eng.) - Asian Institute of Technology, 1976 Investigated in this study are the elastic and inelastic lateral torsional buckling strengths of wide-flange beams with various boundary conditions subjected to proportionally applied end moments and uniformly distributed load in the plane of the web. The coupled differential equations governing the out-of-plane deflections of the beam buckling in the lateral-torsional manner are derived based on the assumption that no strain-reversed takes place during buckling. Application of finite difference expressions of the governing differential equations yields a set of homogeneous simultaneous equations, the out-of-plane displacements and angles of twist at subdivision points along the beam being unknown. The critical value of the normalized slenderness ratio of the beam under a given value of the loading parameter is numerically obtained as the one that makes the coefficient matrix of the simultaneous equations singular. The numerical results of the parametric study are presented in the form of the maximum moment carrying capacity - the normalized slenderness ratio curves, and they are compared with those given by approximate formulas previously proposed. As a conclusion, a set of simple formulas for the determination of the lateral-torsional buckling strength of elastic and inelastic wide-flange beams are proposed for the practical pur poses. Structural stability Girders Buckling (Mechanics) Morino, Shosuke, Chairperson Karasudhi, Pisidhi, Examination Committee Cook, David J., Examination Committee Takemiya, Hirokazu, Examination Committee The Government of the Republic of China, Scholarship Donor Asian Institute of Technology. Thesis ; no. 962 Full-text http://203.159.5.9/ait-thesis/detail.php?q=B22800 .b10397516 mnait x 250922 1 951012 m a x 0 mnait mnait mnarc 20 40 Barcode : 30050003039111 CREATED : 1994-05-17 RECORD # : i10496750 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050003039145 CREATED : 1995-06-01 RECORD # : i11774101 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050160091491 CREATED : 2016-04-28 RECORD # : i12960743 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 68573 68573 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. 962 30050003039111 2026-08-18 14:52:51 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. 962 30050003039145 2026-08-18 14:52:51 2 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. 962 30050160091491 2026-08-18 14:52:51 2026-08-18 40