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A two-phase program was undertaken to verify, under field conditions, that reducing maximum aggregate particle size can minimize or eliminate D-cracking. The study was carried out also to determine the role of other materials and environmental factors in D-cracking which are not amenable to laboratory study. One phase consisted of repeat pavement surveys of existing pavements to determine whether reducing maximum particle sizes has alleviated D-cracking. The other, primary, phase consisted of monitoring the performance of a test road near Vermilion, Ohio, using visual inspections and moisture measurements and examinations of concrete cores. Visual inspections confirm that reducing the maximum particle size does minimize or eliminate D-cracking.
A two-phase program was undertaken to verify, under field conditions, that reducing maximum aggregate particle size can minimize or eliminate D-cracking. The study was carried out also to determine the role of other materials and environmental factors in D-cracking which are not amenable to laboratory study. One phase consisted of repeat pavement surveys of existing pavements to determine whether reducing maximum particle sizes has alleviated D-cracking. The other, primary, phase consisted of monitoring the performance of a test road near Vermilion, Ohio, using visual inspections and moisture measurements and examinations of concrete cores. Visual inspections confirm that reducing the maximum particle size does minimize or eliminate D-cracking.
Significance of Pavement Design and Materials in D-Cracking
D. Stark (author)
1986
96 pages
Report
No indication
English
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