DOI:10.29111/ijlrst ISRA Impact Factor:3.35
Research Paper Open Access
International Journal of Latest Research in Science and Technology Vol.1 Issue 2, pp 65-69,Year 2012
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Received : 10 August 2012; Accepted : 15 August 2012 ; Published : 31 August 2012
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This study is part of optimizing quality and cost of the design of a pavement structure in Lateritic Natural Grave (LNG). It focuses on the problem of taking into account the influence of Poisson's ratio assigned to the material constitution of a roadway, especially for rational methods of design, in the elastic range. In order to initiate the development of a local standard for this parameter, we carry out an experimental characterization of Poisson's ratio of LNG from the unconfined compression test on the materials used in the construction project of a 7km stretch of road Bafoussam in Cameroon. Depending on the extreme values (0.25 and 0.50) can take Poisson's ratio for different materials, we notice a change in thickness of the layer of pavement that LNG is about 3cm. Knowing the value of Poisson's ratio of the LNG will prevent a bad design can be an oversized (to earnings) or a undersizing (very rapid onset of degradation). In the case of our project, this is an under-sizing of 7cm of foundation’s layer.
Copyright © 2012 Madjadoumbaye Jérémie et al. This is an open access article distributed under the Creative Commons Attribution 4.0 International (CC BY 4.0) license which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Madjadoumbaye Jérémie,Lezin Seba Minsili,Magoua Paul,Takoukam Sandeu Franck,Tamo Tatietse Thomas , " Poisson's Ratio In The Choice Of Thicknesses Of Layers Of A Pavement Structure In Lateritic Natural Grave ", International Journal of Latest Research in Science and Technology . Vol. 1, Issue 2, pp 65-69 , 2012
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