|
|||||
|
|
| 路基室内外动态模量换算关系研究 | |
| 引用本文： | 李雪连,陈宇亮,张起森,徐远明,王新武.路基室内外动态模量换算关系研究[J].土木建筑与环境工程,2014,36(6):73-77. |
| 作者姓名： | 李雪连 陈宇亮 张起森 徐远明 王新武 |
| 作者单位： | 1. 长沙理工大学 交通运输工程学院; 长沙理工大学 道路结构与材料交通行业重点实验室，长沙410004 2. 湖南省交通科学研究院,长沙,410015 3. 长沙理工大学 交通运输工程学院 4. 江西省交通工程质量监督站,南昌,330008 |
| 基金项目： | 国家自然科学基金(51308075)；道路结构与材料交通行业重点实验室(长沙理工大学)开放基金(kfj130201、kfj100203)；江西省交通运输厅科技项目(2012C0006)；海南省交通科技项目 |
| 摘 要： | 对黏性土、砂性土和土石混填3种路基填料进行了现场落锤式弯沉仪测试、便携式落锤弯沉仪测试和动力锥贯入仪测试以及室内重复加载试验,建立了3种路基填料现场检测指标彼此之间的回归关系,分析了室内动态模量MR随含水率变化的规律,并建立了二者之间的回归关系,最后通过现场测试的含水率,建立了室内外动态模量之间的经验关系。研究表明:黏性土、砂性土和土石混填路基填料现场动态模量EP、EF和平均贯入比率DP彼此之间存在良好的双对数回归关系,3种路基填料的室内动态模量与含水率具有良好凸型抛物线回归关系,现场检测指标与室内动态模量也存在较好的回归关系。 |
| 关 键 词： | 道路工程 动态模量 重复加载试验 相关性 |
| 收稿时间： | 2014/3/13 0:00:00 |
Conversion Relationship of Indoor and Field Dynamic Modulus of Subgrade |
|
| Li Xuelian,Chen Yuliang,Zhang Qisen,Xu Yuanming and Wang Xinwu.Conversion Relationship of Indoor and Field Dynamic Modulus of Subgrade[J].土木建筑与环境工程,2014,36(6):73-77. | |
| Authors: | Li Xuelian Chen Yuliang Zhang Qisen Xu Yuanming and Wang Xinwu |
| Affiliation: | School of Traffic and Transportation Engineering 1 Key Laboratory of Road Structure and Materials of Ministry of Transport, Changsha University of Science and Technology, Changsha 410004, P. R. China,Hunan Communications Research Institute,Changsha 410015,P.R.China,School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha 410004, P. R. China,Engineering Quality Supervising Station of Jiangxi Communication Bureau, Nanchang 330008, P. R. China and Engineering Quality Supervising Station of Jiangxi Communication Bureau, Nanchang 330009, P. R. China |
| Abstract: | The Falling Weight Deflectometer(FWD)test, Portable Falling Weight Deflectometer(PFWD)test and Dynamic Cone Penetrometer(DCP)test in field as well as indoor repeated loading test were carried out with three types of subgrade, clay, sandy and earth-rock mixture. The regression relationship of the parameters observed of these three different types of subgrade in field was investigated respectively. The indoor dynamic modulus changed along with different water contents and the relationship waspresented as well as the empirical relationship of the on-site and indoor dynamic The results indicate that in the three different subgrade conditions,a double logarithmic regression relationship between dynamic modulus(EP and EF)and average penetration rate(DP)and a parabola regression relationship between indoor dynamic modulus and water content exist. The regression relationship between field index and indoor dynamic modulus was significant as well. |
| Keywords: | road engineering dynamic modulus repeated loading test correlation |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
| 点击此处可从《土木建筑与环境工程》浏览原始摘要信息 | |
| 点击此处可从《土木建筑与环境工程》下载全文 | |