STRESS ANALYSIS OF CANTILEVERED BRIDGE SLABS
AN APPROXIMATE METHOD IS PRESENTED FOR THE DIRECT STRESS ANALYSIS OF ORTHOTROPIC CANTILEVERED BRIDGE SLABS. THE MOMENTS AND SHEAR FORCES IN THE SLAB ARE EXPRESSED IN THE FORM OF FOURIER SERIES IN THE TRANSVERSE COORDINATE, THE COEFFICIENTS OF THE SERIES BEING FUNCTIONS OF THE SPANWISE POSITION ONLY. THE SERIES ARE CHOSEN INITIALLY TO SATISFY BOTH EQUILIBRIUM AND BOUNDARY CONDITIONS FOR THE SLAB, ENABLING THE STRESS-RESULTANTS TO BE EXPRESSED IN TERMS OF CHOSEN FUNCTIONAL COEFFICIENTS, WHICH MAY SUBSEQUENTLY BE DETERMINED BY MINIMIZATION OF THE STRAIN ENERGY BY THE CALCULUS OF VARIATIONS. THE PROBLEM REDUCES TO THE SOLUTION OF A SET OF LINEAR DIFFERENTIAL EQUATIONS WITH A COMPLETE SET OF BOUNDARY CONDITIONS. A SINGLE SOLUTION IS OBTAINED FOR THE ENTIRE SLAB, THE DISCONTINUITY AT THE INTERMEDIATE SUPPORT BEING INCORPORATED BY AN ARTIFICE SIMILAR TO MACAULAYS METHOD IN BEAM THEORY. /AUTHOR/
-
Supplemental Notes:
- Vol 92, No ST2, PROC PAPER 4765, PP 1-17
-
Authors:
- Coull, A
- Publication Date: 1966-4
Media Info
-
Serial:
- Journal of the Structural Division
- Publisher: American Society of Civil Engineers
Subject/Index Terms
- TRT Terms: Approximation (Mathematics); Bridges; Cantilevers; Engineering moments; Fourier series; Linear differential equations; Methodology; Orthotropic; Shear stress; Slabs; Structural analysis
- Uncontrolled Terms: Shear forces
- Old TRIS Terms: Moments
- Subject Areas: Bridges and other structures; Highways;
Filing Info
- Accession Number: 00208285
- Record Type: Publication
- Files: TRIS
- Created Date: Jun 13 1994 12:00AM