FOUNDATION MODELING TECHNIQUES AND CORRESPONDING JOINTED CONCRETE AIRFIELD PAVEMENT RESPONSES
DOI:
https://doi.org/10.11113/mjce.v28.15986Keywords:
ABAQUS, finite element, winkler, load transfer efficiency, solid element, airfield, jointed concrete pavement.Abstract
Concrete pavement design procedure is expected to provide acceptable performance for a projected period under a broad range of conditions. Numerous scholars established their models grounded on finite element models (FEM) for investigation of jointed concrete pavement (JCP). FEM of concrete pavement systems requires a reasonable demonstration of the foundation layer. The main two techniques for simulating the foundation layer are the solid bricks element model with specific depth and the elastic Winkler model. Each has its advantages and limitations. The effect of these two techniques on the pavement responses was investigated using finite element code, ABAQUS (6.13). The provided model represents the real stress behavior of pavements and able to accommodate different types of rigid pavement layers, multiple combined actions, from slab-base friction, from dowel-concrete interaction, and from traffic loads. Analysis of the results is mainly in term of load transfer indicators. The notion of load transfer efficiency (LTE) is essential in airfield design procedures. Comprehending the response of rigid airfield pavement under such circumstances is essential for developing a new pavement design procedure, as well as applying appropriate preservation measures for present pavements.References
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