A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Performance of Thin Bonded Concrete Overlays in Illinois
In recent years, two bonded conctrete overlays (BCO) have been constructed in Illinois. The first was constructed in 1994 - 1995 on a section of Interstate-80 (I-80), east of Moline, Illinois. The second bonded concrete overlay was placed in 1996 on a section of Interstate-88 (I-88), further east of Moline. Both the I-80 and the I-88 BCO sections were placed on 8-inch (203 mm) thick continuously reinforced concrete pavements. The I-80 BCO is 4 inches (102 mm) thick and includes six experimental sections with various percentages of microsilica added to the standard mix design and different bonding agents used between the original pavement and the BCO. The I-88 BCO is 3 inches (76 mm) thick and includes two experimental sections involving different surface preparation methods prior to BCO placement. This report summarizes the performance of the bonded concrete overlays to date. Visual distress surveys were conducted annually on selected test sections of the I-80 and I-88 overlays. The I-80 and I-88 overlays were also tested annually for International Roughness Index values. Condition Rating Surveys were conducted every two years on I-80 and I-88 to define the overall condition of the pavement. The results of the tests and surveys are included in this report.
Performance of Thin Bonded Concrete Overlays in Illinois
In recent years, two bonded conctrete overlays (BCO) have been constructed in Illinois. The first was constructed in 1994 - 1995 on a section of Interstate-80 (I-80), east of Moline, Illinois. The second bonded concrete overlay was placed in 1996 on a section of Interstate-88 (I-88), further east of Moline. Both the I-80 and the I-88 BCO sections were placed on 8-inch (203 mm) thick continuously reinforced concrete pavements. The I-80 BCO is 4 inches (102 mm) thick and includes six experimental sections with various percentages of microsilica added to the standard mix design and different bonding agents used between the original pavement and the BCO. The I-88 BCO is 3 inches (76 mm) thick and includes two experimental sections involving different surface preparation methods prior to BCO placement. This report summarizes the performance of the bonded concrete overlays to date. Visual distress surveys were conducted annually on selected test sections of the I-80 and I-88 overlays. The I-80 and I-88 overlays were also tested annually for International Roughness Index values. Condition Rating Surveys were conducted every two years on I-80 and I-88 to define the overall condition of the pavement. The results of the tests and surveys are included in this report.
Performance of Thin Bonded Concrete Overlays in Illinois
T. H. Volle (author)
2000
44 pages
Report
No indication
English
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