[1]刘圣洁,谢政专,彭爱红.泡沫温拌沥青的玻璃态转变温度及低温性能[J].深圳大学学报理工版,2021,38(2):163-169.[doi:10.3724/SP.J.1249.2021.02163]
 LIU Shengjie,XIE Zhengzhuan,et al.Glass transition temperature and low temperature performance for foam warm mix asphalt[J].Journal of Shenzhen University Science and Engineering,2021,38(2):163-169.[doi:10.3724/SP.J.1249.2021.02163]
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泡沫温拌沥青的玻璃态转变温度及低温性能()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第38卷
期数:
2021年第2期
页码:
163-169
栏目:
土木建筑工程
出版日期:
2021-03-12

文章信息/Info

Title:
Glass transition temperature and low temperature performance for foam warm mix asphalt
文章编号:
202102008
作者:
刘圣洁12谢政专1彭爱红3
1)广西道路结构与材料重点实验室,广西南宁 530007
2)河海大学土木与交通学院,江苏南京 210098
3)江西省交通工程集团建设有限公司, 江西南昌 330029
Author(s):
LIU Shengjie1 2 XIE Zhengzhuan1 and PENG Aihong3
1) Guangxi Key Laboratory of Road Structure and Materials, Nanning 530007, Guangxi Zhuang Autonomous Region, P.R.China
2) College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, Jiangsu Province, P.R.China
3) Jiangxi Communications Engineering Group Construction Co.Ltd., Nanchang 330029, Jiangxi Province, P.R.China
关键词:
路面工程沥青材料泡沫温拌沥青玻璃态转变温度低温性能动态热力学分析差示扫描量热
Keywords:
pavement engineering asphalt materials foam warm mix asphalt glass transition temperature low temperature performance dynamic thermomechanical analysis differential scanning calorimetry
分类号:
U414
DOI:
10.3724/SP.J.1249.2021.02163
文献标志码:
A
摘要:
为研究泡沫温拌沥青的玻璃态转变温度及低温性能,采用不同的沥青类型和不同的发泡用水量,制备泡沫温拌沥青.利用动态热力学分析仪(dynamic thermomechanical analysis, DMA)和差示扫描量热法(differential scanning calorimetry, DSC),确定不同发泡水量下泡沫温拌沥青玻璃态转变温度,采用低温弯曲流变梁(bending beam rheometer, BBR)分析不同发泡水量下泡沫温拌沥青的低温性能.结果表明,分别通过DMA和DSC确定的玻璃态转变温度有所区别,但对于不同的沥青和发泡用水量,两者的变化趋势一致;随着发泡水增多,沥青玻璃态转变温度逐渐增高;加入发泡水会在一定程度降低沥青的低温抗裂性能,采用质量分数为6%的发泡水制备的泡沫温拌沥青不能满足-12 ℃时的低温环境要求,也无法满足原有未发泡沥青的低温环境适用范围.为保证泡沫温拌沥青良好的路用性能,泡沫温拌沥青制备时,最佳发泡用水量选择应重点考虑其低温抗裂能力.
Abstract:
In order to study the glass transition temperature and low temperature performance of foam warm mix asphalt (FWMA), we have prepared the FWMA samples with different asphalt types and different foaming water contents (FWC). Glass transition temperatures of the samples are determined by using dynamic mechanical analyzer (DMA) and differential scanning calorimetry (DSC) methods, and their low temperature performancesare evaluated by using bending beam rheometer (BBR) method. Results show that for different asphalt types and FWC, the behaviors of glass transition temperatures determined by DMA and DSC are different, but their changing trends are similar.With the increase of FWC, the glass transition temperature of asphalt increases gradually.The addition of foam water damages the low temperature cracking resistance of asphalt to a certain extent.Foaming water with a mass fraction of 6% could not meet the low temperature requirement below -12 °C, and could not satisfy the application scope of the non-foaming asphalt at low temperature.In order to ensure good pavement performance of FWMA, the low temperature cracking resistance must be taken as the priority consideration for choosing the optimal FWC.

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备注/Memo

备注/Memo:
Received:2020-03-26;Revised:2020-12-06;Accepted:2021-01-15
Foundation:National Natural Science Foundation of China (51908194); China Postdoctoral Science Foundation Project (2019M650101); Key Research and Development Program of Guangxi Zhuang Autonomous Region (20192BBG70080); Key Research and Development Program of Jiangxi Province (2020AB42005)
Corresponding author:Associate professor LIU Shengjie.E-mail: lsjwork@126.com
Citation:LIU Shengjie, XIE Zhengzhuan, PENG Aihong.Glass transition temperature and low temperature performance for foam warm mix asphalt[J]. Journal of Shenzhen University Science and Engineering, 2021, 38(2): 163-169.(in Chinese)
基金项目:国家自然科学基金资助项目(51908194);中国博士后科学基金资助项目(2019M650101);广西重点研发计划资助项目(2020AB42005);江西省重点研发计划资助项目(20192BBG70080)
作者简介:刘圣洁(1985—),河海大学副教授、博士.研究方向:路面工程.E-mail:lsjwork@126.com
引文:刘圣洁,谢政专,彭爱红.泡沫温拌沥青的玻璃态转变温度及低温性能[J]. 深圳大学学报理工版,2021,38(2):163-169.
更新日期/Last Update: 2021-03-30