[1]牟压强,郭大进,马 永,等.环氧沥青超薄罩面层间抗剪强度的影响因素研究[J].西安建筑科技大学学报(自然科学版),2021,53(02):208-216.[doi:10.15986/j.1006-7930.2021.02.009]
　MOU Yaqiang,GUO Dajin,MA Yong,et al.Research on influencing factors of shear strength between layers of epoxy asphalt ultra-thin overlay[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2021,53(02):208-216.[doi:10.15986/j.1006-7930.2021.02.009]
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环氧沥青超薄罩面层间抗剪强度的影响因素研究()
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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:
53
期数:
2021年02期
页码:
208-216
栏目:
出版日期:
2021-04-28

文章信息/Info

Title:
Research on influencing factors of shear strength between layers of epoxy asphalt ultra-thin overlay
文章编号:
1006-7930(2021)02-0208-09
作者:
牟压强1; 郭大进1; 马 永2; 张林艳3; 赵雁宾2; 郭荣鑫1
(1.昆明理工大学 建筑工程学院,云南省土木工程防灾重点实验室,云南 昆明 650500; 2.云南宾南高速公路有限公司,云南 大理 671000; 3.云南大学 建筑与规划学院,云南 昆明 650504)
Author(s):
MOU Yaqiang1;  GUO Dajin1;  MA Yong2;  ZHANG Linyan3;  ZHAO Yanbin2;  GUO Rongxin1
(1.Yunnan Key Laboratory of Disaster Reduction in Civil Engineering Faculty of Civil Engineering and Mechanics,Kunming University of Science and Technology,Kunming 650500,China;2.Yunnan Binnan Expressway Co.,Ltd.,Dali 671000,China;3.School of Architecture and Planning Yunnan University,Kunming 650504,China)
关键词:
超薄罩面;  环氧沥青混合料;  抗剪强度;  热粘结;  正交试验设计
Keywords:
ultra-thin cover;  epoxy asphalt mixture;  shear strength;  hot bonding;  orthogonal experimental design
分类号:
TU57+1
DOI:
10.15986/j.1006-7930.2021.02.009
文献标志码:
A
摘要:
为确定路面结构组合(A)、粘结方式(B)、黏结材料(C)及其交互作用(A×B,A×C,B×C)对沥青混凝土路面加铺环氧沥青超薄罩面层间抗剪强度影响的主次顺序和显著性,根据正交试验方法设计试验方案,开展了试验研究.利用自制可拆卸模具,采用轮碾成型机制备3种路面结构组合的复合试件,下面层为AC-20,上面层分别为SAC-13、SAC-10、AC-10.3种类型复合试件的层间界面情况分别为冷粘结无黏结材料、冷粘结有黏结材料、热粘结无黏结材料、热粘结有黏结材料.利用自行设计加工的45°斜剪夹具对复合试件进行常温斜剪试验.结果表明:相比于界面未做任何处理(冷粘结无黏结材料)的复合试件抗剪强度,黏结材料、热粘结以及两者的联合三种工艺对层间抗剪强度的平均增长率分别为29.5%、60.7%、94.1%; 三个因素及其交互作用对复合试件层间抗剪强度影响的主次顺序为:B、C、A、B×C、A×B、A×C; 其中A、B、C为高度显著因素,交互作用B×C为有一定影响因素,交互作用A×B、A×C为非显著因素.试验研究结果可为类似铺筑工程提供参考依据.
Abstract:
In order to determine the primary and secondary order and significance of the influence of pavement structure combination(A),bonding mode(B),bonding material(C)and their interaction(A×B,A×C,B×C)on the interlaminar shear strength of epoxy asphalt ultra-thin cover on asphalt concrete pavement,the experimental scheme was designed according to the orthogonal test method and the experimental research was carried out.Using self-made detachable molds, the composite specimens with three kinds of pavement structure combination were prepared by wheel roll forming machine, the lower layer are AC-20,and the upper layers are SAC-13,SAC-10,and AC-10,respectively.The interlaminar interfaces situation of the three types of composite specimens are as follows: cold bonded no-bonding material,cold bonded has a bonding material,hot bonded no-bonding material,and hot bonded has a bonding material.The composite specimen was subjected to oblique shear test at room temperature by using a self-designed and processed 45°oblique shear fixture.The results show that compared with the shear strength of the composite specimens without any interface treatment(cold bonded no-bonding material), the average shear strength growth rates of the three technology of bonding material, hot bonding and the combination of them are 29.5%,60.7% and 94.1%, respectively; The order of influence of the three factors and their interaction on the interlaminar shear strength of composite specimens is B,C,A,B×C,A×B,A×C;among them A,B and C are highly significant factors,interaction B×C is a certain influencing factor,and interaction A×B and A×C are non-significant factors.The experimental results can provide reference for similar paving engineering.

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(编辑 桂智刚)

备注/Memo

备注/Memo:
收稿日期:2020-11-01 修改稿日期:2021-03-22
基金项目:云南省交通科技项目(云交科教〔2017〕35号); 昆明理工大学分析测试基金项目(2019M20182210046)
第一作者:牟压强(1995-),男,硕士生,主要从事道路工程材料方面的研究.E-mail:5969085@qq.com
通信作者:张林艳(1975-),女,博士,主要从事道路新材料研发与应用方面的研究.E-mail:215337622@qq.com
更新日期/Last Update: 2021-04-28