RESEARCH PAPERS: Design Automation

Optimal Design of Electric Overhead Crane Girders

[+] Author and Article Information
S. W. Cho, B. M. Kwak

Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Seoul, Korea

J. Mech., Trans., and Automation 106(2), 203-208 (Jun 01, 1984) (6 pages) doi:10.1115/1.3258580 History: Received June 10, 1983; Online November 19, 2009


An optimal design for minimum weight bridge girders of electric overhead traveling cranes is presented. The welded box-type girder is modeled as a simply supported beam. A generalized steepest descent algorithm is adopted for mathematical programming, which includes constraints on stress, displacement, buckling, and sizes. A computer program capable of designing girders according to CMAA, DIN, BS, and JIS specifications is developed. Numerical comparisons with existing girders for those four specifications are given. A sensitivity analysis of the optimum design with respect to parameters affecting the design is studied for each specification.

Copyright © 1984 by ASME
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