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CURLING STRESS EQUATION FOR TRANSVERSE JOINT EDGE OF A CONCRETE PAVEMENT SLAB BASED ON FINITE-ELEMENT METHOD ANALYSIS.
| 题名： | CURLING STRESS EQUATION FOR TRANSVERSE JOINT EDGE OF A CONCRETE PAVEMENT SLAB BASED ON FINITE-ELEMENT METHOD ANALYSIS. |
| 作者： | Nishizawa-T; Fukuda-T; Matsuno-S; Himeno-K |
| 关键词： | CONCRETE-PAVEMENT-DESIGN; CURLING-; STRESSES-; TRANSVERSE-JOINTS; EDGES-; EQUATIONS-; FINITE-ELEMENT-METHOD; STRESS-ANALYSIS; MULTIPLE-REGRESSION |
| 摘要： | In the design of concrete pavement, curling stresses caused by the temperature difference between the top and bottom surfaces of the slab should be calculated at the transverse joint edge in some cases. However, no such equation has been developed in the past. Accordingly, a curling stress equation was developed based on stress analysis using the finite-element method (FEM). In this FEM analysis, a concrete pavement and its transverse joint were expressed by means of a thin plate-Winkler foundation model and a spring joint model, respectively. Multiregression analysis was applied to the results of the FEM numerical calculation and, consequently, a curling stress equation was obtained. After comparing the calculated results of the equation with curling stress equations developed in the past, it was confirmed that the equation was valid and practical. |
| 总页数： | Transportation Research Record. 1996. (1525) pp35-43 (18 Fig., 4 Tab., 7 Ref.) |
| 报告类型： | 科技报告 |
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