[1]秦先涛,陈拴发,祝斯月,等.水泥乳化沥青复合胶凝材料动态力学性能[J].西安建筑科技大学学报:自然科学版,2015,47(02):250-254.[doi:DOI:10.15986/j.1006-7930.2015.02.018]
 QIN Xiantao,CHEN Shuanfa,ZHU Siyue,et al.Dynamic mechanical properties of cement-emulsifiedasphalt composite materials[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(02):250-254.[doi:DOI:10.15986/j.1006-7930.2015.02.018]
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水泥乳化沥青复合胶凝材料动态力学性能()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年02期
页码:
250-254
栏目:
出版日期:
2015-04-28

文章信息/Info

Title:
Dynamic mechanical properties of cement-emulsified
asphalt composite materials
文章编号:
1006-7930(2015)02-0250-05
作者:
秦先涛1陈拴发23祝斯月2李 鑫1豆怀兵2
(1.长安大学公路学院,西安 710064;2.长安大学材料科学与工程学院,西安 710061;3.长安大学交通铺面材料教育部工程研究中心,西安 710061)
Author(s):
QIN Xiantao1 CHEN Shuanfa23 ZHU Siyue 2 LI Xin1 DOU Huaibing2
(1.School of Highway, Chang’an University, Xi’an 710064, China; 2. School of Materials Science and Engineering, Chang’an University, Xi’an 710061, China;
3.Engineering Research Center of Transportation Materials of Ministry of Education, Chang’an University, Xi’an 710061, China)
关键词:
道路工程水泥乳化沥青复合胶凝材料动态力学性能复数模量相位角主曲线
Keywords:
road engineering cement emulsified asphalt composite materials dynamic mechanical property complex modulusphase angle master curve
分类号:
U414
DOI:
DOI:10.15986/j.1006-7930.2015.02.018
文献标志码:
A
摘要:
研究了不同水泥含量(C/A 为0.8、1.0 和1.2)的水泥乳化沥青复合胶凝材料(CECM)7d 龄期的动态力学性能.采
用动态剪切流变仪,对不同复合材料分别在40℃~80℃、0.0159Hz~15.9Hz 环境下进行温度扫描试验和频率扫描试验,获得
了不同温度和频率下复数模量和相位角的变化规律,以及不同温度时的疲劳性能指标.基于时-温等效原理建立了50℃时不
同复合材料的相位角主曲线.结果表明:随着温度的升高,复数模量显著减小,相位角线性增加,粘性特征增强.与矿粉相
比,水泥的加入明显地改变了复合材料的粘弹性比例.CECM 在相对低频区域具有较好的抗变形能力,且C/A 越大,抗变
形能力越强,但疲劳性能指标随之降低.相位角主曲线表明在广泛的荷载频率范围内CECM 仍具有优异的动态力学性能.研
究结果为水泥乳化沥青复合胶凝材料设计和优化提供了参考.
Abstract:
The dynamic mechanical properties of cement emulsified asphalt composite materials (CECM) with varied cement content
at the age of 7 days were researched. The change of complex modulus and phase angle with temperature (40℃~80℃) and frequency
(0.0159Hz~15.9Hz), as well as the index of fatigue property were obtained through temperature sweep test and frequency sweep test
by dynamic shear rheometer. Master curves of phase angles with frequency at 50 ℃ were established based on
frequency-temperature equivalence principle. The results indicated that the complex modulus decreased obviously and phase angles
increased linearly with the increase of temperature, and the viscosity characteristic significantly enhanced. Meanwhile, compared
with mineral powder, cement has obvious effect on the viscoelastic proportion of the composite materials. And CECM has better
resistance to deformation in relative lower frequency. The bigger the C/A, the better the deformation resistance and the worse the
fatigue property. The master curves of phase angles proved that CECM has good dynamic mechanical property in extensive
frequency range. The research results provides reference for the design and optimization of CECM.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-10-05 修改稿日期:2015-04-20
基金项目:“十二五”国家科技支撑计划项目(2011BAE27B04)
作者简介:秦先涛(1987-),男,博士研究生,主要从事道路材料研究.E-mail:qinxiantao1987@163.com
更新日期/Last Update: 2015-09-25