Developing maturity methods for the assessment of cold-mix bituminous materials

被引:46
|
作者
Doyle, Thomas A. [1 ]
McNally, Ciaran [1 ]
Gibney, Amanda [1 ]
Tabakovic, Amir [1 ]
机构
[1] Natl Univ Ireland Univ Coll Dublin, UCD Sch Civil Struct & Environm Engn, Dublin 4, Ireland
关键词
Asphalt materials; Cold-mix; Emulsion; Maturity methods; Curing; Conditioning; Stiffness modulus; EMULSION;
D O I
10.1016/j.conbuildmat.2012.09.008
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Cold-mix bituminous materials offer a sustainable, cost effective alternative to traditional hot-mixes. Difficulties however can be encountered when specifying cold-mix materials due to the strong influence of time and temperature on material performance. In the field of concrete technology maturity methods are routinely used for assessing materials of known curing history. This research presents the development of a maturity approach for the assessment of cold-mix bituminous materials and its application for predicting the effect of climatic variations on in situ mixture performance. A strong correlation was observed between the calculated maturity and the measured stiffness for a range of conditioning temperatures and durations thus enabling the prediction of long and short-term material performance in situ where ambient conditions are known. (C) 2012 Elsevier Ltd. All rights reserved.
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页码:524 / 529
页数:6
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