A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bonded Concrete Overlay (Fast Track). Route I-70, Cooper County
This bonded concrete overlay project was constructed on Route I-70, Cooper County during the summer of 1991 using a 'FastTrack' high early strength paving mixture. The high early strength concrete bonded overlay was constructed with Type III cement to obtain a minimum compressive strength of 3500 psi in no more than 18 hours. The original pavement was prepared by coldmilling, shotblasting, and airblasting before overlaying. A neat grout, made of Type 1 cement and water, was sprayed directly on the pavement. Several problems arose during the paving of the overlay. An average of two transverse cracks was observed within two days of paving. The remaining concrete overlay was saw cut at 20 foot intervals to help control random cracking. The pavement continued to have random cracking. The mixer unit had problems with buildup of hardened concrete in the drum. The overlay had mud pockets and segregated concrete having a raw unmixed sand layer or a week sandy layer after paving. Since construction, the transverse cracking, debonding and map cracking in the concrete bonded overlay has continued to show a large increase of deterioration, especially at the locations of original pavement repairs.
Bonded Concrete Overlay (Fast Track). Route I-70, Cooper County
This bonded concrete overlay project was constructed on Route I-70, Cooper County during the summer of 1991 using a 'FastTrack' high early strength paving mixture. The high early strength concrete bonded overlay was constructed with Type III cement to obtain a minimum compressive strength of 3500 psi in no more than 18 hours. The original pavement was prepared by coldmilling, shotblasting, and airblasting before overlaying. A neat grout, made of Type 1 cement and water, was sprayed directly on the pavement. Several problems arose during the paving of the overlay. An average of two transverse cracks was observed within two days of paving. The remaining concrete overlay was saw cut at 20 foot intervals to help control random cracking. The pavement continued to have random cracking. The mixer unit had problems with buildup of hardened concrete in the drum. The overlay had mud pockets and segregated concrete having a raw unmixed sand layer or a week sandy layer after paving. Since construction, the transverse cracking, debonding and map cracking in the concrete bonded overlay has continued to show a large increase of deterioration, especially at the locations of original pavement repairs.
Bonded Concrete Overlay (Fast Track). Route I-70, Cooper County
2000
94 pages
Report
No indication
English
Experimental Thin-Bonded Concrete Overlay Pavement
| NTIS | 1985
Performance evaluation of bonded concrete overlay
| Online Contents | 2013
Performance evaluation of bonded concrete overlay
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Bonded Concrete Overlay Performance in Illinois
| NTIS | 2002