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首页> 外文会议>Fourth European Symposium on Performance of Bituminous and Hydraulic Materials in Pavements, Apr 11-12, 2002, Nottingham, United Kingdom >A case study into the effects of reinforcement and aggregate on the performance of continuously reinforced concrete pavements
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A case study into the effects of reinforcement and aggregate on the performance of continuously reinforced concrete pavements

机译：钢筋和骨料对连续钢筋混凝土路面性能影响的案例研究

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摘要

The principal findings of the investigation carried out on the A11 Wymondham bypass highlights the influence of the coefficient of thermal expansion of the coarse aggregate used in the concrete on the development of both shrinkage and longitudinal cracks. The importance of reinforcement design to control this cracking was also demonstrated by comparison with similar sites in the UK. Based on these findings it was concluded that some continuously reinforced concrete pavement design has been insufficient in considering the combined effects of both aggregate and reinforcement in crack development. This has resulted in some unexpectedly severe cracking in pavements that were otherwise well built using good quality concrete.
机译：在A11 Wymondham旁路上进行的研究的主要结果突出了混凝土中使用的粗骨料的热膨胀系数对收缩和纵向裂纹发展的影响。通过与英国的类似地点进行比较，也证明了加固设计对控制这种开裂的重要性。根据这些发现，可以得出结论，在考虑骨料和钢筋在裂缝发展中的综合作用时，一些连续的钢筋混凝土路面设计是不够的。这导致了路面上一些出乎意料的严重裂缝，而这些裂缝本来是使用优质混凝土建造的。

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