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首页> 外文会议>STP 1504; ; >Evaluation of the Rheological Properties and Master Curve Development for Bituminous Binders Used in Roofing
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Evaluation of the Rheological Properties and Master Curve Development for Bituminous Binders Used in Roofing

机译：屋面沥青粘结剂的流变学特性和主曲线的评价。

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As dynamic shear rheology (DSR) testing of asphalt binders is becoming the primary mode to evaluate asphalt binders worldwide, an understanding of the rheological performance of asphalt binders has become increasingly important. Such understanding of the basic principles of rheology is essential for those developing and applying specifications, as well as developers and producers of new and enhanced roofing binders. This paper discusses the determination of the complex shear (stiffness) modulus (G~*) and phase angle (δ) of bituminous binders over a range of temperatures and frequencies when tested in harmonic sinusoidal oscillatory shear mode using a dynamic shear rheometer (DSR) with parallel plate test geometry where both plates are controlled at the same temperature. Rheological measurements and master curves for six different binders used in the manufacture of industrial roofing materials are presented. The data presented are results of testing of unaged and oven-aged binders to include a standard air blown binder, a catalytically air blown binder, and various modified bitumen binders.
机译：随着沥青粘合剂的动态剪切流变学（DSR）测试成为评估全世界沥青粘合剂的主要方式，对沥青粘合剂的流变性能的了解变得越来越重要。对流变学基本原理的这种理解对于制定和应用规范的人员以及新型和增强型屋面粘结剂的开发商和生产商而言至关重要。本文讨论了使用动态剪切流变仪（DSR）在谐波正弦振荡剪切模式下测试温度和频率范围内沥青粘合剂的复数剪切（刚度）模量（G〜*）和相角（δ）的确定具有平行板测试几何形状，其中两个板都控制在同一温度下。介绍了用于制造工业屋面材料的六种不同粘合剂的流变学测量值和主曲线。给出的数据是未老化和烤箱老化的粘结剂的测试结果，其中包括标准的气吹粘结剂，催化气吹粘结剂和各种改性沥青粘结剂。

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