STUDY OF RHEOLOGICAL PROPERTIES OF BITUMINOUS BINDERS IN MIDDLE AND HIGH TEMPERATURES

被引：19
|
作者：
Remisova, Eva [1 ]
Zatkalikova, Viera [2 ]
Schlosser, Frantisek [3 ]
机构：
[1] Univ Zilina, Fac Civil Engn, Dept Highway Engn, Univ 8215-1, Zilina 01026, Slovakia
[2] Univ Zilina, Fac Mech Engn, Dept Mat Engn, Univ 8215-1, Zilina 01026, Slovakia
[3] Univ Zilina, Fac Civil Engn, Dept Construct Management, Univ 8215-1, Zilina 01026, Slovakia
来源：
CIVIL AND ENVIRONMENTAL ENGINEERING | 2016年 / 12卷 / 01期
关键词：
Bitumen; Complex shear modulus; Viscosity; Rheology; Temperature;
D O I：
10.1515/cee-2016-0002
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The bitumen binders in road pavements are exposed traffic loading effect at different climatic conditions. A resistance to these stresses depends on bitumen properties as well. The paper presents rheological properties (G*, delta, eta*) determined and compared for four bituminous binders (unmodified and polymer modified bitumen) at temperature 46 - 60 (80) degrees C and dynamic viscosity at temperature 130 - 190 degrees C (Brookfield viscometer). On the basis of viscosity results it is possible to set optimal production and compaction temperatures. Elastic and viscous behavior of binder in the middle temperature is determined in rheometers. The higher value of complex modulus, the stiffer bitumen binder is able to resist deformation. The greater content of elastic components (e.g. polymer in bitumen) varies mainly elastic-viscous properties of primary bitumen.
引用
收藏
页码：13 / 20
页数：8
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