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EXPERIMENTAL AND ANALYTICAL STUDY OF RESULTS OF BLENDED PAVEMENT CONCRETE MODELS TESTED IN LABORATORY AND FINITE ELEMENT METHOD

Journal: Proceedings on Engineering Sciences (Vol.5, No. 2)

Publication Date:

Authors : ;

Page : 259-266

Keywords : Selfing; Crossing; Finite element Analysis; Rigid pavement;

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Abstract

To investigate the deflection, maximum stress, maximum strain, and failure of pavement joints of conventional and remix concrete pavement models. Nine model pavement slab specimens has been cast and statically loaded using hydraulic jack, load cell on loading frame assembly. Two concrete mix design grades and three concrete remixing procedures were chosen and fixed. This work checks the effect of remix concrete on rigid pavements, taking into account time lag (t in hr.) of Concrete (THC) and the blend ratio (r). The methods were a regular mixed with traditional procedures and a remix mixture with selfing and crossing methods. The results of a 3D finite element analysis with ANSYS simulation are compared to experimental trials. By adding a higher graded fresh concrete to the old and partially set concrete, there is improvement in the compressive strength, quality of the concrete, and modulus subgrade reaction, according to this study.

Last modified: 2023-06-17 22:45:40