[1]周庆华,沙爱民..高模量沥青混凝土蠕变特性研究[J].郑州大学学报(工学版),2012,33(04):23-27.[doi:10.3969/j.issn.1671-6833.2012.04.006]
　ZHOU Qinghua,SHA Aimin.Research on Creep Performance for High Modulus Asphalt Concrete[J].Journal of Zhengzhou University (Engineering Science),2012,33(04):23-27.[doi:10.3969/j.issn.1671-6833.2012.04.006]
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高模量沥青混凝土蠕变特性研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
33卷
期数:
2012年04期
页码:
23-27
栏目:
出版日期:
2012-07-10

文章信息/Info

Title:
Research on Creep Performance for High Modulus Asphalt Concrete
作者:
周庆华; 沙爱民.
陕西交通职业技术学院公路工程系,陕西西安,710021, 长安大学公路学院,陕西西安,710064
Author(s):
ZHOU Qinghua; SHA Aimin
1. Department of Highway Enginecring, Shan’ xi Collcge of Communications Technology, Xi*an 710021, China; 2. College of Highway Engineering,Chang"an niversity,Xi’an 710064,China
关键词:
道路工程;  高模量沥青混凝土;  蠕变特性;  劲度模量
Keywords:
road engineering; high modulus asphalt concrete;  creep performance;  stiffness modulus
分类号:
U416.217
DOI:
10.3969/j.issn.1671-6833.2012.04.006
摘要:
通过单轴压缩蠕变试验和低温弯曲蠕变试验测试了不同试验条件下高模量沥青混凝土的蠕变劲度模量,分析不同的组成材料对高模量沥青混凝土蠕变性能的影响规律.结果显示低标号沥青和外掺剂能够显著提高沥青混合料的劲度模量,降低沥青混合料在高温蠕变过程中的瞬间变形和黏弹性变形发展的速度,但低温环境下高模量沥青混凝土对持续弯拉应力的松弛能力有所降低.
Abstract:
The creep stiffness modulus of the high modulus asphalt concrete was tested through uniaxial compression ereep test and low temperature bending creep test, Based on the test data, the influence laws of mate.rial composition to creep performance of high modulus asphalt concrete were analyzed. The results showed thalow grade bitumen and additives couid enhanee the creep stiffness modulus significantly, reduce the instanta.neous deformation and the speed of viscoelastic deformation, but the relaxation ability to flexural stress in lowtemperature also decreased.

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更新日期/Last Update: 1900-01-01