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OBSERVATIONS ON EVALUATION OF FLEXURAL STRESSES IN RIGID PAVEMENT
| 题名： | OBSERVATIONS ON EVALUATION OF FLEXURAL STRESSES IN RIGID PAVEMENT |
| 其他题名： | 1.Packard R.G.(1995)."Thickness Design for Concrete Highway and Street Pavements".Portland Cement Assosiation,Skokie,Illinois |
| 正文语种： | 英文 |
| 作者： | Rameshwar J. Vishwakarma |
| 关键词： | stress；variation；different；documents；temperature；critic；loading；flex；evaluation；conditions |
| 摘要： | Concrete pavements are subjected to vehicle axle loads and temperature loads, which develops flexural stresses at critical locations. Critical flexural stress is the main cause for the cracking in concrete pavements. These stresses in the slab mainly depends on the thickness of concrete slab, loading, location and properties of supporting subbase. Therefore, to prevent cracking or failure of slab, it is very important to calculate critical stresses correctly for a given site and loading conditions. There are many guidelines or documents available for the determination of critical edge stress. However, the results varies when compared. This variation in stresses are mostly due to different assumptions. The main objective of this paper is to study the variation of maximum flexural stress in the slab due to change in various design factors like modulus of subgrade reaction, axle load and pavement thickness. The critical stress is determined using different guidelines for vehicle axle load and the results are compared. |
| 出版年： | 2018 |
| 论文唯一标识： | I-75Y2018V46N04006 |
| 英文栏目名称： | Technical Papers |
| 期刊名称： | Indian Highways |
| 拼音刊名(出版物代码)： | I-75 |
| 卷： | 46 |
| 期： | 04 |
| 页码： | 29-37 |
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