Paper by FRÉNAY STET from ISCR 8th 1998 Lisbon Portugal
Based on a literature search, several types of fatigue relationships were collected, compared and analysed for plain concrete (specimens, pavements) subjected to repeated loading. A uniform fatigue relation - based on the FS- R concept - has been proposed for the flexural tensile strength. The 50%-probability curves have been analytically described and the width of the 90%-confidence area has been quantified. This 'new' relationship is now being implemented into a probabilistic design method which can estimate the additional lifetime of an existing concrete pavement. This design approach is valuable for assessing airfield pavements.
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