AN ANALYSIS OF THERMAL TRACK BUCKLING IN THE LATERAL PLANE
The post-buckling equilibrium states are determined analytically. To obtain a consistent formulation of the problem, use is made of the principle of virtual displacements and the variational calculus for variable matching points. The obtained formulations are nonlinear, but can be solved exactly. Solutions are presented for four buckled configurations. The results are presented graphically for a typical railroad track now in use on main lines. The obtained results are compared with the corresponding results of other investigators.
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- Sponsored by the FRA/U.S. DOT, Office of Research and Development; DOT's Transportation Systems Center acted as support agency.
Princeton UniversityDepartment of Civil Engineering
Princeton, NJ United States 08450
Washington, DC United States 20590
Transportation Systems Center55 Broadway, Kendall Square
Cambridge, MA United States 02142
- Kerr, A D
- Publication Date: 1976-9
- Features: Figures; References; Tables;
- Pagination: 70 p.
- TRT Terms: Buckling; High temperature; Mathematical models; Railroad tracks; Thermal stresses
- Old TRIS Terms: Track structures
- Subject Areas: Materials; Railroads;
- Accession Number: 00157596
- Record Type: Publication
- Source Agency: Federal Railroad Administration
- ISBN: 76-TF-6
- Report/Paper Numbers: FRA-ORD-76-285 Intrm Rpt.
- Contract Numbers: DOT-TSC-900
- Files: TRIS, USDOT
- Created Date: Aug 4 1977 12:00AM