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題 名 | Bridge Diaphragm Elements with Partial Warping Restraint for Horizontally Curved Steel Highway Bridges=平面曲線公路鋼橋具部份翹曲束制之橫隔樑構件 |
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作 者 | 徐耀賜; | 書刊名 | 逢甲學報 |
卷 期 | 29 1996.06[民85.06] |
頁 次 | 頁55-65 |
分類號 | 441.86 |
關鍵詞 | 曲線橋; 橫隔樑; 翹曲; Curved girder; Diaphragm; Warping; |
語 文 | 英文(English) |
中文摘要 | 在目前AASHTO 平面曲線公路鋼橋規範(1993年版)中有兩個主要方法為其所接受 與認可,亦即格樑相似模式與有限元素法。 本文主要是根據格樑相似模式探討具部份翹曲束制構件對其扭曲行為之影響。在導 出其構件元素勁度矩陣後,吾人亦以數值實例加以說明。本文所推演出之部份翹曲束制觀 念對橋樑工程師在實務設計時具有正面之助益。 |
英文摘要 | Two major curved steel highway bridge superstrucutre modeling systems are currently accepted by the AASHTO Horizontally Curved Girder Bridge Specifications (1993 Edition), namely, the grid analogy model and finite element method. The effect of partial warping restraint bridge diaphragms on nthe torsional behavior in the grid analogy model is presented in this study. The element siffness matrix is developed. A numerical example, which shows the effects of partial warping restraint, also is presented. The concept of partial warping restraint between the steel girder and diaphragm show on this study can be used for the design engineer in the design practice. |
本系統中英文摘要資訊取自各篇刊載內容。