A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Performance of Transverse Joint Supports in Concrete Pavements
In 1960 New York State initiated a limited performance study of several different types of load-transfer devices used in transverse joints of post World-War II concrete pavements. The study's major effort was directed at measuring joint faulting on three pavements containing two or more different types of devices. Load-transfer devices included in the study were 1 1/4-inch diameter dowels, malleable iron spades, single-piece malleable iron hinges, two-piece malleable iron sleeves and hairpin dowels. A statistical approach was used to evaluate the joint faulting measurements. This consisted of averaging the measurements of successive joints in a group containing the same load-transfer device and comparing the resulting mean value with those of other groups with different devices. From the data developed in this study, the authors conclude: Two-component malleable iron sleeves and malleable iron hinges generally provided satisfactory service with regard to joint faulting and open midslab cracks. One and one-quarter-inch diameter dowels performed equally satisfactorily in terms of faulting, but tended to promote excessive joint restraint resulting in open midslab cracks. Malleable iron spades and hairpin dowels provided unsatisfactory service. (Author)
Performance of Transverse Joint Supports in Concrete Pavements
In 1960 New York State initiated a limited performance study of several different types of load-transfer devices used in transverse joints of post World-War II concrete pavements. The study's major effort was directed at measuring joint faulting on three pavements containing two or more different types of devices. Load-transfer devices included in the study were 1 1/4-inch diameter dowels, malleable iron spades, single-piece malleable iron hinges, two-piece malleable iron sleeves and hairpin dowels. A statistical approach was used to evaluate the joint faulting measurements. This consisted of averaging the measurements of successive joints in a group containing the same load-transfer device and comparing the resulting mean value with those of other groups with different devices. From the data developed in this study, the authors conclude: Two-component malleable iron sleeves and malleable iron hinges generally provided satisfactory service with regard to joint faulting and open midslab cracks. One and one-quarter-inch diameter dowels performed equally satisfactorily in terms of faulting, but tended to promote excessive joint restraint resulting in open midslab cracks. Malleable iron spades and hairpin dowels provided unsatisfactory service. (Author)
Performance of Transverse Joint Supports in Concrete Pavements
J. E. Haviland (author)
1966
29 pages
Report
No indication
English
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