The Structural Engineer > Archive > Volume 41 (1963) > Issues > Issue 10 > Ultimate load design of concrete pavement slabs by yield line analysis
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Ultimate load design of concrete pavement slabs by yield line analysis

The paper describes the application of ultimate load design by yield line analysis in pavement slabs and confirms the finding of recent AASHO test results in regard to long-term serviceability of concrete pavements. Based on the following assumptions:- (1)strain is proportional to distance from the neutral axis in accordance with a straight line law, (2)elastic deformations are negligible in comparison with the plastic deformations (this means that the slab elements between the yield lines remain plane and all the deformations take place in the yield lines), (3) yield lines, which are straight, being the meeting lines of two planes, end at a boundary of the slab, (4)a yield line, or yield line extended, passes through the intersection of the axes of rotation of adjacent slab elements, (5)axes of rotation in general lie along the lines of supports of formulae has been developed for the design of concrete pavement. Dr. R. K. GHOSH

Author(s): Ghosh, Dr R K

Keywords: limit state methods;pavements;slabs;concrete