A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Use of Hydrated Lime as an Antistripping Additive. Final Report
The purpose of the investigation was to evaluate the performance of six test sections of asphalt concrete that contained no additive, hydrated lime, and a chemical additive. Tests were also conducted on pavement samples taken periodically to determine whether hydrated lime slows the hardening rate of asphalt cement as has been reported by others. Visual examination of pavement samples generally revealed less stripping in pavements containing hydrated lime than in pavements with no additive or with the chemical additives that are routinely used. The tensile strength ratio correlated reasonably well with the amount of stripping observed; but there were some exceptions that were possibly caused by differences in the permeabilities of the pavements. The stripping has not caused any significant pavement distress. The correlation between the hardening of the asphalt cement and age of the pavements was poor for five of the projects. The only project which produced acceptable correlations showed no significant difference in the hardening rates of the various mixes.
Use of Hydrated Lime as an Antistripping Additive. Final Report
The purpose of the investigation was to evaluate the performance of six test sections of asphalt concrete that contained no additive, hydrated lime, and a chemical additive. Tests were also conducted on pavement samples taken periodically to determine whether hydrated lime slows the hardening rate of asphalt cement as has been reported by others. Visual examination of pavement samples generally revealed less stripping in pavements containing hydrated lime than in pavements with no additive or with the chemical additives that are routinely used. The tensile strength ratio correlated reasonably well with the amount of stripping observed; but there were some exceptions that were possibly caused by differences in the permeabilities of the pavements. The stripping has not caused any significant pavement distress. The correlation between the hardening of the asphalt cement and age of the pavements was poor for five of the projects. The only project which produced acceptable correlations showed no significant difference in the hardening rates of the various mixes.
Use of Hydrated Lime as an Antistripping Additive. Final Report
G. W. Maupin (author)
1987
34 pages
Report
No indication
English
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