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CREEP ANALYSIS OF HYBRID INTEGRAL BRIDGES.
| 题名： | CREEP ANALYSIS OF HYBRID INTEGRAL BRIDGES. |
| 作者： | Siros-KA; Spyrakos-CC |
| 关键词： | COMPOSITE-BRIDGES; INTEGRAL-BRIDGES; CREEP-; THREE-DIMENSIONAL; NONLINEAR-ANALYSIS; COMPARISONS-; TWO-DIMENSIONAL; STRESSES-; STRUCTURAL-BEHAVIOR |
| 摘要： | A state-of-the-art three-dimensional (3-D) model is developed and utilized for nonlinear creep analysis of composite (steel stringer-concrete slab) integral bridges. The results of the analysis are evaluated and compared with results of an equivalent two-dimensional (2-D) linear creep analysis. The rate of creep method and the age-adjusted effective modulus method are employed for the 3-D and the 2-D analysis, respectively. Two typical structural systems are analyzed: a single-span bridge (15.24 m) and a two-span bridge (2 x 34.75 m). Changes of stress with time at critical points of the bridges are shown and comparisons of the 2-D and the 3-D analyses are included. Evaluation of the results with respect to the behavior of integral bridges is presented. |
| 总页数： | Transportation Research Record. 1995. (1476) pp147-154 (6 Fig., 6 Tab., 18 Ref.) |
| 报告类型： | 科技报告 |
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