2009
DOI: 10.3141/2098-09
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Evaluation of Dowel Alignment Constructability in Portland Cement Concrete Pavements

Abstract: Although dowel bars are an essential design feature of jointed concrete pavements to prevent pumping and faulting, few studies dealing with the constructability of dowel alignment have been conducted. With the emergence of the Magnetic Imaging Tools (MIT) Scan-2 as a nondestructive, robust method of locating dowels, it is now possible to efficiently evaluate the construction quality of dowel bar placement without damaging the newly constructed pavement. A brief review is presented of the results of recent fiel… Show more

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Cited by 19 publications
(16 citation statements)
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“…Numerous evaluations of the accuracy of one of magnetic pulse-induction device, the MIT Scan-2, have shown it to be a reliable tool for locating metal inclusions with high accuracy. It should be noted that this method does not detect any type of non-metallic inclusions or defects [6][7][8].…”
Section: Gpr Transmits Electromagnetic Waves Into the Test Medium Andmentioning
confidence: 99%
“…Numerous evaluations of the accuracy of one of magnetic pulse-induction device, the MIT Scan-2, have shown it to be a reliable tool for locating metal inclusions with high accuracy. It should be noted that this method does not detect any type of non-metallic inclusions or defects [6][7][8].…”
Section: Gpr Transmits Electromagnetic Waves Into the Test Medium Andmentioning
confidence: 99%
“…The information collected from 60 different projects using magnetic imaging tools showed that the constructability of the conventional dowel bars is within ±1.27 cm (0.5 in.) of the target vertical and horizontal alignment (Rao et al 2009). …”
Section: Introductionmentioning
confidence: 99%
“…These joints are usually classifying to longitudinal and transverse joints according to the direction of construction. The joints are mainly responsible for releasing the stresses developed at the slabs and control the initiation of cracks [1]. The traffic loads are distributed between the adjacent slabs using aggregate interlock or dowel bars.…”
Section: Introductionmentioning
confidence: 99%
“…The traffic loads are distributed between the adjacent slabs using aggregate interlock or dowel bars. Since the aggregate interlock is active for the very narrow cracks of less than 1 mm, the dowel bars are the main mechanism used to transfer the load between the adjacent slabs [1][2][3].…”
Section: Introductionmentioning
confidence: 99%