Behavior of Continuous Crane Rails

by Pavel J. Marek, Asst. Prof.; Dept. of Steel Structures, Tech. Univ., Praha, Czechoslovakia; formerly, Res. Assoc., Fritz Engrg. Lab., Lehigh Univ., Bethlehem, PA,
J. Hartley Daniels, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Fritz Engrg. Lab., Lehigh Univ., Bethlehem, PA,

Serial Information: Journal of the Structural Division, 1971, Vol. 97, Issue 4, Pg. 1081-1095

Document Type: Journal Paper


Continuous crane rails with welded splices are being used in industry to improve crane performance and to reduce maintenance costs associated with splice and rail clamp details. Rail lengths exceeding 1,000 ft are not uncommon. It is shown that continuous crane rails require only lateral restraint in order to maintain rail alignment. Vertical restraint is not required because vertical buckling of continuous crane rails due to axial force in the rail is nearly impossible. Some examples are provided to illustrate the results of the analysis.

Subject Headings: Cranes | Rail transportation | Welding | Industries | Maintenance | Alignment | Buckling | Axial forces

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