[1]王新强,王国清,秦禄生,等.橡胶沥青砂浆对混合料的动态模量影响分析[J].深圳大学学报理工版,2019,36(1):74-79.[doi:10.3724/SP.J.1249.2019.01074]
　WANG Xinqiang,WANG Guoqing,Qin Lusheng,et al.Analysis of the influence of rubber asphalt mortar on the dynamic modulus of the mixture[J].Journal of Shenzhen University Science and Engineering,2019,36(1):74-79.[doi:10.3724/SP.J.1249.2019.01074]
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橡胶沥青砂浆对混合料的动态模量影响分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第36卷
期数:
2019年第1期
页码:
74-79
栏目:
土木建筑工程
出版日期:
2019-01-20

文章信息/Info

Title:
Analysis of the influence of rubber asphalt mortar on the dynamic modulus of the mixture
作者:
王新强1; 2; 王国清1; 秦禄生3; 孟会林4; 5; 王笑森4; 5; 蔡斌4; 5
1）河北工业大学土木与交通学院，天津 300401；2）河北石青高速公路有限公司，河北石家庄 050051；3）河北交通投资集团公司，河北石家庄 050091；4）河北省交通规划设计院，河北石家庄 050091； 5）公路建设与养护技术、材料及装备交通运输行业研发中心，河北石家庄 050091
Author(s):
WANG Xinqiang1; 2;  WANG Guoqing1;  Qin Lusheng3;  MENG Huilin4; 5;  WANG Xiaosen4; 5;  and CAI Bin4; 5
1) School of Civil and Transportation, Hebei University of Technology, Tianjin 300401, P.R.China 2) Hebei Shiqing Expressway Company Limited, Shijiazhuang 050051, Hebei Province, P.R.China 3) Hebei Transportation Investment Group Corporation, Shijiazhuang 050091, Hebei Province, P.R.China 4) Hebei Provincial Communications Planning and Design Institute, Shijiazhuang 050091, Hebei Province, P.R.China 5) Research and Development Center for Highway Construction and maintenance Technology, Materials and Equipment, Shijiazhuang 050091, Hebei Province, P.R.China
关键词:
建筑材料; 橡胶沥青; 沥青砂浆; 沥青混合料; 动态模量; 主曲线
Keywords:
building materials;  rubber asphalt;  asphalt mortar;  asphalt mixture;  dynamic modulus; the master curve
分类号:
TU 501
DOI:
10.3724/SP.J.1249.2019.01074
摘要:
为了研究橡胶沥青砂浆对混合料的动态模量影响，采用旋转剪切压实试验，通过逐级填充粗集料测定骨架间隙率，分别取最小骨架间隙体积的0.85、1.0和1.1倍，添加质量分数为30%的胶粉改性沥青砂浆，组成沥青混合料，采用旋转剪切压实试验制备动态模量试件，使用沥青混合料性能试验测定动态模量.研究表明，橡胶沥青砂浆对混合料的动态模量影响显著，在相同的试验温度和加载频率下，随着沥青砂浆的增加，动态模量呈增大趋势. 西格摩德（Sigmoidal）数学模型能较好地拟合混合料的动态模量主曲线，粗集料、沥青砂浆和空隙的填充率拟合相关性分别为0.997 756、0.988 661和0.985 173.
Abstract:
In order to study the influence of rubber asphalt mortar on dynamic modulus of mixture, the skeleton clearance rate of coarse aggregate was measured by PCG rotational compaction method, and the skeleton clearance rate was measured by filling secondary aggregate step by step. Taking 0.85, 1 and 1.1 times of the minimum skeleton clearance volume and adding 30% rubber powder to modified asphalt mortar to form asphalt mixture, Preparation of dynamic Modulus specimen by rotating Compaction method (PCG), the dynamic modulus was measured by Asphalt mixture performance test （AMPT）. The experimental results show that the dynamic modulus increases with the increase of asphalt mortar filling ratio at the same test temperature and loading frequency. Sigmoidal mathematical model is used to fit the main curve of dynamic modulus of mixture. The fitting correlations of the three filling rates were 0.997756, 0.988 661 and 0.985 173.

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更新日期/Last Update: 2019-01-30