原文传递
Blowup of a Concrete Pavement Adjoining a Rigid Structure; Final rept. Jun-1988.9
| 题名： | Blowup of a Concrete Pavement Adjoining a Rigid Structure; Final rept. Jun-1988.9 |
| 作者： | Kerr, A. D. |
| 关键词： | Rigid pavements; Concrete pavements; Buckling; Bridge abutments; Cracking(Fracturing); Numerical analysis |
| 摘要： | The main cause of concrete pavement blowups are axial compression forces induced into the pavement by a rise in temperature and moisture. Recent analyses by the writer and his students were based on the notion that blowups are caused by lift-off buckling of the pavement. The cases analyzed were: (1) continuously reinforced concrete pavement and (2) concrete pavement weakened by a traverse joint or crack. The present paper contains an analysis of another case, when a long continuously reinforced concrete pavement adjoins a rigid structure, like a bridge abutment. The analysis is similar to the ones described above. The resulting formulation is non-linear and is solved exactly, in closed form. The obtained results are evaluated numerically and are compared with those of a long continuously reinforced pavement, in order to show the effect of the rigid structure on the pavement response. |
| 总页数： | 25p |
| 报告类型： | 科技报告 |
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