A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Soil Stabilization Methods for Minimizing the Detrimental Effects of Frost Action on Paved and Unpaved Roads in North Carolina
The report concerns the description and evaluation of 12 experimental projects featuring base course stabilization for the prevention of frost damage. The stabilizing additives used included: portland cement, lime, lime-fly ash, Na Cl and CaCl2. The Phoenix Creek project featured a 5'' bituminous concrete or 'Black Base,' while the Orchard Loop and State Farm projects featured mechanical stabilization of the base course. Report contains a considerable amount of climatological data for the area in which the projects are located. Several of the major conclusions and observations include: an 8'' untreated base course performed as well as or better than a 6'' layer treated with CaCl2, NaCl, lime, lime-fly ash or portland cement; bituminous concrete base course performed better than any of the other (treated or untreated) base courses; NaCl and CaCl2 treatments lose effectiveness with time and a cold quantity of 250 degree days and average precipitation will produce appreciable damage to unstabilized roads. (Degree days= Ta-32 degrees, where Ta= average daily temp., and cold quantity= summation of all negative degree days). (Author)
Soil Stabilization Methods for Minimizing the Detrimental Effects of Frost Action on Paved and Unpaved Roads in North Carolina
The report concerns the description and evaluation of 12 experimental projects featuring base course stabilization for the prevention of frost damage. The stabilizing additives used included: portland cement, lime, lime-fly ash, Na Cl and CaCl2. The Phoenix Creek project featured a 5'' bituminous concrete or 'Black Base,' while the Orchard Loop and State Farm projects featured mechanical stabilization of the base course. Report contains a considerable amount of climatological data for the area in which the projects are located. Several of the major conclusions and observations include: an 8'' untreated base course performed as well as or better than a 6'' layer treated with CaCl2, NaCl, lime, lime-fly ash or portland cement; bituminous concrete base course performed better than any of the other (treated or untreated) base courses; NaCl and CaCl2 treatments lose effectiveness with time and a cold quantity of 250 degree days and average precipitation will produce appreciable damage to unstabilized roads. (Degree days= Ta-32 degrees, where Ta= average daily temp., and cold quantity= summation of all negative degree days). (Author)
Soil Stabilization Methods for Minimizing the Detrimental Effects of Frost Action on Paved and Unpaved Roads in North Carolina
C. R. McCollough (author)
1966
128 pages
Report
No indication
English
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