[1]李晶晶,李朋飞,张擎..温度梯度下水泥混凝土路面接缝张开量数值分析[J].郑州大学学报(工学版),2012,33(04):28-31.[doi:10.3969/j.issn.1671-6833.2012.04.007]
　LI Jingjing,LI Peng-fei,ZHANG Qing.Numerical Analysis of Joint Opening Displacement for Cement ConcretePavement under Temperature Gradient[J].Journal of Zhengzhou University (Engineering Science),2012,33(04):28-31.[doi:10.3969/j.issn.1671-6833.2012.04.007]
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温度梯度下水泥混凝土路面接缝张开量数值分析()
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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:
28-31
栏目:
出版日期:
2012-07-10

文章信息/Info

Title:
Numerical Analysis of Joint Opening Displacement for Cement ConcretePavement under Temperature Gradient
作者:
李晶晶; 李朋飞; 张擎.
长安大学公路学院,陕西西安710064;陕西交通职业技术学院公路工程系,陕西西安710018, 长安大学公路学院,陕西西安710064;陕西省公路勘察设计院,陕西西安710068, 长安大学公路学院,陕西西安,710064
Author(s):
LI Jingjing; LI Peng-fei; ZHANG Qing
1. Highway College, Changan University, Xi’an 710064, China; 2. Department of Highway Engineering, Shaanxi Colege olCommunication and Technology, Xi’an 710018, China; 3. Shaanxi Provincial Highway Survey and Design Institute, Xi’an 710068，China
关键词:
道路工程;  水泥混凝土路面;  接缝张开量;  温度梯度;  三维有限元
Keywords:
road engineering;  cement concrete pavement;  joint opening displacement ( JOD);  temperature gradient;  3D finite element
分类号:
U416.216
DOI:
10.3969/j.issn.1671-6833.2012.04.007
摘要:
为了分析水泥混凝土路面在不同结构组合和材料参数下的接缝张开量变化情况,通过三维有限元数值方法,建立接缝模型,量化分析了各因素对接缝张开量的影响,表明温度梯度、基层模量、面板长度以及面板厚度对接缝张开量的影响显著,接缝张开量与温度梯度呈对数关系,与基层模量呈乘幂关系,与面板长度和面板厚度呈指数关系.基于前述分析,回归出综合考虑4因素的接缝张开量模型公式,并利用实测数据对其进行修正,从而为水泥混凝土路面接缝设计和填缝料选用提供参考依据.
Abstract:
In order to analyze the changes of joint opening displacement ( JOD) of cement concrete pavemen!under different road structures and material parameters, the joint model was established by using a 3D finiteelement method, Various factors of JOD were quantitatively analyzed, The results show that JOD is significantly effected by temperature gradient, base modulus, slab length and slab thickness, and the relationship be.tween JOD and temperature gradient is the logarithmic, the base modulus is the power, and both the slablength and thickness are the exponential. Based on the above analysis, the formulae of joint changes have beenset up with the consideration of four main factors, the theoretical analysis is verified by using the measured da.ta, and the results provide the potential for the joint design and selecting the joint filler.

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更新日期/Last Update: 1900-01-01