Full scale accelerated testing of bituminous road pavement mixtures

被引：0
|
作者：
Gilchrist, M.D. [1 ]
Hartman, A.M. [1 ]
Owende, P.M.O. [1 ]
Ward, S.M. [1 ]
机构：
[1] Dept of Mechanical Engng, National University of Ireland, Dublin, Ireland
来源：
Key Engineering Materials | 2001年 / 204-205卷
关键词：
Asphalt - Cracks - Fatigue of materials - Materials testing - Strain - Strain gages;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The in-service behaviour of a standard Irish Dense Base Coarse Macadam mixture (DBC) was evaluated by using the material to overlay a road section, which was based upon a weak pavement structure. The response of the layer under a fully laden dual axle truck was examined using a series of pressure cells and asphalt strain gauges that were embedded in the test section. The section was traversed repeatedly until a network of fatigue cracks was observed on the road surface. The transverse horizontal tensile strain was found to be the most critical parameter in initiating pavement damage.
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页码：443 / 452
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