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Title: Slab Warping Affects Pavement Joint Performance

Author(s): F. N. Hveem

Publication: Journal Proceedings

Volume: 47

Issue: 6

Appears on pages(s): 797-808

Keywords: no keywords

DOI: 10.14359/12035

Date: 6/1/1951

An investigation of joint troubles and failure is discussed and a method of determining thermal and moisture expansion in thin concrete specimens described. Evidence of warping and curling of pavement slabs and the sequence of events leading to pumping and subsequent faulting of joints are considered. It was evident that curling was due to combined effects of temperature differential and moisture. Profilograph studies of pavement surfaces are described. One solution to pavement failures is the elimination of expansion joints and the spacing of contraction joints as far apart as possible. No practical method is available that will prevent moisture from accumulating beneath the pavement.


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