00731086

Component

https://doi.org/10.3141/1544-01

http://scholar.google.com...wski&publication_year=1996

Six jointed reinforced concrete pavement and one jointed plain concrete pavement test sections on US-69 in Miami County, Kansas, constructed in 1979 have been surveyed annually for faulting for the past 9 years. Falling weight deflectometer tests were conducted in 1995 to assess the load transfer efficiency of the joints. The results show that, in general, as the original concrete density increases due to improved consolidation, the rate of increase of the joint fault depth decreases at doweled joints at a given pavement age. The occurrence of joint faulting is much more severe when load transfer devices are not present; this was observed even for the pavement section built on a nonerodible subbase. Improved consolidation sometimes appeared to help improve load transfer, resulting in a lower rate of faulting. Thus, the mandatory density requirement of 98% rodded unit weight, which has been in effect since 1980, has undoubtedly led to better joint performance for concrete pavements in Kansas.

This paper appears in Transportation Research Record No. 1544, Portland Cement Concrete Pavements, Bridges, and Quality Management.

English

p. 3-8

1996

Transportation Research Record

0309059534

Figures (4) ; References (4) ; Tables (5)

Concrete pavements; Condition surveys; Economic efficiency; Falling weight deflectometers; Faulting; Load transfer; Pavement joints; Paving; Test sections

Concrete density; Efficiency

Construction; Economics; Highways; I52: Construction of Pavements and Surfacings

TRIS, TRB

Feb 3 1997 12:00AM

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