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| 基于弯沉指数的水泥混凝土路面板角脱空识别 | |
| 引用本文： | 赵军,唐伯明,谈至明,蒙华. 基于弯沉指数的水泥混凝土路面板角脱空识别[J]. 同济大学学报(自然科学版), 2006, 34(3): 335-339 |
| 作者姓名： | 赵军 唐伯明 谈至明 蒙华 |
| 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. 重庆市交通委员会,重庆,401147 3. 重庆市公路局,重庆,400067 |
| 基金项目： | 交通部西部交通建设科技项目 |
| 摘 要： | 采用弹性地基板模型，分析了落锤式动态弯沉仪（FWD）荷载作用下水泥混凝土路面的弯沉规律，回归得到了板角脱空范围与地基类型、地基板相对刚度半径、路面板弯沉指数（FWD荷载作用于板角和板中时的荷载中心点弯沉之比）以及邻板传荷能力之间近似关系式．建立了通过板角和板中的FWD实测弯沉盆数据，对比理论计算结果判别水泥混凝土路面板角脱空状况的方法． |
| 关 键 词： | 水泥混凝土路面 板角脱空 弯沉指数 落锤式动态弯沉仪试验 |
| 文章编号： | 0253-374X（2006）03-0335-05 |
| 收稿时间： | 2004-09-20 |
| 修稿时间： | 2004-09-20 |
Identification of Void Beneath Cement Concrete Slab Corner Based on Deflection Index |
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| ZHAO Jun,TANG Bo-ming,TAN Zhi-ming,MENG Hua. Identification of Void Beneath Cement Concrete Slab Corner Based on Deflection Index[J]. Journal of Tongji University(Natural Science), 2006, 34(3): 335-339 | |
| Authors: | ZHAO Jun TANG Bo-ming TAN Zhi-ming MENG Hua |
| Affiliation: | 1. Key Laboratory of Road and Traffic Engineering of the Ministry of Fducstion, Tongji University,Shanghai 200092,China; 2. Chongqing Communication Committee, Chongqing 401147,China; 3. Chongqing Highway Administration Bureau, Chongqing 400067,China |
| Abstract: | Based on the elastic foundation model,the deflection rules under the loads of falling weight deflectionmeters(FWD)are comprehensively analyzed,and approximate formulas are obtained accordingly by regression among void scope beneath slab corner,deflection index(defined by deflection ratio of slab corner and slab middle under FWD loads),foundation type and relative stiffness radius of slab.By comparing FWD field test data with finite element methods(FEM) results,an identification method of void beneath cement concrete slab corner is established. |
| Keywords: | cement concrete pavement void beneath slab conner deflection index falling weight deflectionmeters field test |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |