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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/1721

Title: Towards performance-related design criteria and specifications for modified binders
Authors: Rust, FC
Hugo, F
Keywords: Measurement of crack movement
Fatigue testing
Crack-activity meter
Bitumen-rubber
Issue Date: 1990
Publisher: Association of Asphalt Paving Technologists
Citation: Rust, FC and Hugo, F. 1990. Towards performance-related design criteria and specifications for modified binders. Journal of the Association of Asphalt Paving Technologists, Vol. 59, pp 54-69
Abstract: The reflection of primary cracks through overlays and seals on roads is recognised as a serious problem. The ingress of rain-water through these cracks can cause pumping which leads to forms of distress such as potholing and/or deformation. This can, in turn, lead to the premature failure of an otherwise sound pavement. Asphalt overlays and bituminous seals are often used to rehabilitate both flexible and rigid pavements. However, the reflection of cracks through these treatments will cause a recurrence of the same problems, thus invalidating the expenditure involved. Special or innovative materials such as bitumen-rubber, geofabrics and low-viscosity asphalt have been used in attempts to solve this problem with varying degrees of success. There is currently a lack of performance-related design criteria and specifications for the use of bitumen-rubbers and especially homogeneous modified binders. This is true for surface treatments as well s premix.
URI: http://hdl.handle.net/10204/1721
ISSN: 0270-2932
Appears in Collections:Infrastructure engineering
General science, engineering & technology

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