| 水泥混凝土路面板中弯沉的温度梯度影响修正 |
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| 引用本文： | 赵军,谈至明,刘伯莹. 水泥混凝土路面板中弯沉的温度梯度影响修正[J]. 同济大学学报(自然科学版), 2007, 35(5): 617-620 |
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| 作者姓名： | 赵军 谈至明 刘伯莹 |
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| 作者单位： | 1. 同济大学,道路与交通工程教育部重点实验室,上海,200092
2. 中国路桥集团,北京,100011 |
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| 基金项目： | 交通部西部交通建设科技项目 |
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| 摘 要： | 在详细分析正温度梯度作用下路面板的翘曲变形的基础上，总结归纳了板中局部脱空可予修正的温度梯度范围，给出了可修正范围内的落锤式弯沉仪（FWD）和贝克曼梁（BB）实测弯沉修正方法和相应回归公式，提高了弯沉测试的精度和效率．
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| 关 键 词： | 水泥混凝土路面 板中脱空 温度梯度 弯沉测试 |
| 文章编号： | 0253-374X（2007）05-0617-04 |
| 修稿时间： | 2005-10-09 |
Effect and Correction on Slab Interior Deflection of Cement Concrete Pavement Due to Temperature Gradient |
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| ZHAO Jun,TAN Zhiming,LIU Boying. Effect and Correction on Slab Interior Deflection of Cement Concrete Pavement Due to Temperature Gradient[J]. Journal of Tongji University(Natural Science), 2007, 35(5): 617-620 |
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| Authors: | ZHAO Jun TAN Zhiming LIU Boying |
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| Affiliation: | 1. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China; 2. China Road and Bridge Corporation, Beijing 100011,China |
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| Abstract: | Based on a systematic analysis of the curling deformation of pavement slab under positive temperature gradients,the amendable temperature gradient range for the measured slab interior deflection to be corrected is derived,and the correction method and corresponding regression expressions of measured slab interior deflection with falling weight deflectometer(FWD) and Benkenlman beam(BB) are introduced,greatly improving the precision and efficiency of deflection measurement. |
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| Keywords: | cement concrete pavement void beneath slab interior temperature gradient deflection measurement |
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