[1]严秋荣,许 磊,代 笠,等.温度和粗糙度对混凝土桥面铺装层间剪切强度的影响研究[J].西安建筑科技大学学报(自然科学版),2020,52(03):328-334,342.[doi:10.15986/j.1006-7930.2020.03.004]
 YAN Qiurong,XU Lei,DAI Li,et al.Effect of temperature and roughness on interlayer shear strength of concrete bridge deck pavement[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2020,52(03):328-334,342.[doi:10.15986/j.1006-7930.2020.03.004]
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温度和粗糙度对混凝土桥面铺装层间剪切强度的影响研究()
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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:
52
期数:
2020年03期
页码:
328-334,342
栏目:
出版日期:
2020-06-30

文章信息/Info

Title:
Effect of temperature and roughness on interlayer shear strength of concrete bridge deck pavement
文章编号:
1006-7930(2020)03-0328-07
作者:
严秋荣12 许 磊3 代 笠3 吴海鹰4
(1.国家山区公路工程技术研究中心,重庆400067; 2.重庆交大建设工程质量检测中心有限公司,重庆400067; 3.重庆交通大学 土木工程学院,重庆400074; 4.中机中联工程有限公司,重庆400039)
Author(s):
YAN Qiurong12 XU Lei3 DAI Li3 WU Haiying4
(1.National Mountain Highway Engineering Technology Research Center, Chongqing 400067, China; 2.Chongqing Jiaoda Construction Engineering Quality Test Center Co.Ltd., Chongqing 400067, China; 3.School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, China; 4.Zhongji Zhonglian Engineering Co.Ltd., Chongqing 400039, China)
关键词:
温度 粗糙度 桥面铺装 防水粘结层 剪切强度
Keywords:
Temper roughness bridge deck pavement waterproof bonding layer shear strength
分类号:
TU445.4
DOI:
10.15986/j.1006-7930.2020.03.004
文献标志码:
A
摘要:
为探究温度和粗糙度对混凝土桥面铺装层间剪切强度的影响规律.在室内剪切试验中,采用摩擦系数、构造深度、2D/3D灰度值表征混凝土板粗糙度; 并测量剪切试件的层间剪切强度.对粗糙度与层间剪切强度的关系进行灰色关联分析后,基于主成分回归法分析温度、粗糙度对层间剪切强度的影响规律.发现摩擦系数、构造深度变化对层间剪切强度的影响较大; 灰度值变化对层间剪切强度的影响较小.从温度、粗糙度与层间剪切强度的非线性回归模型可知:相较于粗糙度变化,温度变化对层间剪切强度的影响更大,层间剪切强度随温度的升高而减小.
Abstract:
The paper exploring the influence of temperature and roughness on interlayer shear strength of concrete bridge deck pavement.In the indoor shear test, the roughness of concrete slab is characterized by friction coefficient, structure depth and 2D/3D gray value, and the interlayer shear strength of shear specimens is measured.After grey correlation analysis of the relationship between roughness and interlayer shear strength, the influence of temperature and roughness on interlayer shear strength was analyzed based on principal component regression method.It is found that the variation of friction coefficient and structural depth has a greater impact on interlayer shear strength, while the variation of gray value has a smaller impact on interlayer shear strength.From the non-linear regression model of temperature, roughness and interlayer shear strength, it can be seen that compared with the change of roughness, the influence of temperature on interlayer shear strength is greater, and the interlayer shear strength decreases with the increase of temperature.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-07-19 修改稿日期:2020-05-04
基金项目:国家山区公路工程技术研究中心开发基金项目(GSGZJ-2015-08)
第一作者:严秋荣(1978-),男,研究员,主要从事路基工程,岩土工程,桥梁工程,检测方面的研究.E-mail:56952071@qq.com
更新日期/Last Update: 2020-07-30