Title: Structural Behaviour of Thin SFRC and Ferro-Fbro Overlays
Author(s): S. K. Kaushik, R. M. Vasan, P. N. Godbole, D. C. Goel, and S. K. Khanna
Publication: Symposium Paper
Appears on pages(s): 279-296
Keywords: compacting; concrete pavements; concrete slabs; ferrocement; fiber reinforced concretes; layered system; loads (forces); metal fibers; performance tests; plain concrete; plate load tests; resurfacing; static loads; subgrades; welded wire fabric; Structur
Reports on the performance of semi-full scale pavement and overlay slabs under static loads. The test results of 60 mm SFRC pavement slabs having 0.5 percent fibers by volume have been presented under different loading and subgrade conditions. The test results of 100 mm PCC (plain cement concrete) pavement slab resting over a well-compacted subgrade have also been presented. The performance of 201 mm ferro-fibro overlay cast over 60mm cracked SFRC pavement has been reported and compared with a 40 mm SFRC overlay slab cast over 60 mm SFRC pavement. The experimental results of semi-full scale overlay and pavement slabs have been validated by infinite element analysis, a numerical technique developed for the analysis of unlimited domain of a layered system consisting of an overlay, pavement and subgrade of known properties. A comparative study has been presented with respect to Ferro-fibro and SFRC overlays.