A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Long-Life Concrete Pavement Practices for Use in Florida
A research study was conducted to develop long-life concrete pavement designs with expected service life of over 50 years suitable for use in Florida. Two typical concrete pavement designs used in Florida were evaluated using the MEPDG program to see if they could be used for long-life concrete pavements in Florida. The MEPDG program used was calibrated for the Florida conditions. It was found that these two designs could be used as long-life pavements if the slab thickness was adequate and the concrete properties were right low elastic modulus, low coefficient of thermal expansion and adequate flexural strength. The concrete with the right properties could be produced if it was made with the right aggregate. Among the three aggregates considered, Brooksville limestone was found to produce the best concrete for this application. DRIP 2.0 software was used to evaluate the drainage conditions for the two pavement designs, which were designated as Type I and Type II designs in this study. The effects of pavement cross slope, number of lanes, base permeability, infiltration rate and effective porosity were studied. Drainage analyses showed that increasing the slope and permeability of the designs would allow the drainage system to work better, as well as, reduce the time-to-drain required. The required combinations of these parameters for satisfactory drainage performance were determined.
Evaluation of Long-Life Concrete Pavement Practices for Use in Florida
A research study was conducted to develop long-life concrete pavement designs with expected service life of over 50 years suitable for use in Florida. Two typical concrete pavement designs used in Florida were evaluated using the MEPDG program to see if they could be used for long-life concrete pavements in Florida. The MEPDG program used was calibrated for the Florida conditions. It was found that these two designs could be used as long-life pavements if the slab thickness was adequate and the concrete properties were right low elastic modulus, low coefficient of thermal expansion and adequate flexural strength. The concrete with the right properties could be produced if it was made with the right aggregate. Among the three aggregates considered, Brooksville limestone was found to produce the best concrete for this application. DRIP 2.0 software was used to evaluate the drainage conditions for the two pavement designs, which were designated as Type I and Type II designs in this study. The effects of pavement cross slope, number of lanes, base permeability, infiltration rate and effective porosity were studied. Drainage analyses showed that increasing the slope and permeability of the designs would allow the drainage system to work better, as well as, reduce the time-to-drain required. The required combinations of these parameters for satisfactory drainage performance were determined.
Evaluation of Long-Life Concrete Pavement Practices for Use in Florida
M. Tia (author) / D. Verdugo (author) / O. Kwon (author)
2012
241 pages
Report
No indication
English
Construction Management & Techniques , Construction Materials, Components, & Equipment , Construction Equipment, Materials, & Supplies , Concrete pavement , Florida , Critical stress analysis , Pavement designs , Stress-to-strength ratio , Concrete slab thickness , Elastic modulus , Life cycle cost analysis , Mechanistic-Empirical Pavement Design Guide(MEPDG) , Long-Term Pavement Performance(LTPP) , Jointed Plain Concrete Pavements(JPCP)
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