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Influence of loading pattern in four-point bending tests

Authors: Pais, Jorge C.; Pereira, Paulo A. A.; Azevedo, M. C. M.;

Influence of loading pattern in four-point bending tests

Abstract

This paper presents the results of a study where the fatigue life of a dense bituminous mixture was evaluated for three different types of loading pattern. The first loading pattern was a sinusoidal wave, the second was a haversine wave and the third was a modified sinusoidal wave. The rest period was 50% of the load time. The mixes used in this study were produced and compacted in laboratory using a rolling wheel compactor. The fatigue life of the mixes was compared based on the results of the four point bending test carried out at 20°C, under controlled strain mode of loading. Furthermore, comparisons were made between fatigue life predicted by the Shell, The Asphalt Institute, SHRP-A003A program procedures and the laboratory test results.

Country
Portugal
Related Organizations
Keywords

Loading pattern, Fatigue life, Bituminous mixtures, Stiffness

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green