This study was focused on the characterization of concrete paving mixes being used in New Mexico for further implementation of Pavement ME Design. Seven concrete paving mixes were collected from various districts of New Mexico prepared with different coarse aggregates. Cylinder and beam specimens were tested for compressive strength, elastic modulus, modulus of rupture (MOR) and coefficient of thermal expansion (CTE) to generate level-1 input data for these specific mixes. Inter-conversion models were developed to convert compressive strength into elastic modulus and MOR and it was found that the developed models work better than the default models. CTE of the tested paving mixes also varied over a broad range i.e. 3.7 to 5.9 με/°F. Simulations were conducted in Pavement ME to evaluate the impact of material inputs and other design factors on JPCP and CRCP design/performance. It became evident from the analysis of the simulation results that there is a significant difference in performance predictions between level-1 inputs and default inputs, which necessitated the use of lab tested data for any paving mix to be used in the design process.
This study focuses on vehicle crush with respect to extreme weather condition in the state of New Mexico. In the southwest region, unique weather extr...
The Mississippi Department of Transportation (MDOT) needed mechanical and volume change properties of portland cement concrete (PCC) pavement in order...
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United States Department of Transportation
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