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2005年05 期
| 标题 |
| 钢拱桥极限承载力的综合三因素检算方法(26 卷) |
| 英文标题 |
| Research on Synthetical 3 Factors Checking Method for the Ultimate Load Carrying Capacity of Steel Arch Bridges |
| 摘要 |
| 通过钢拱桥非线性计算及结果的分析，得出结论，钢拱桥极限承载力的实质是拱肋截面的材料屈服，随着塑性区的扩展，截面刚度降低，从而导致整体非线性位移的急剧增加。运用统计回归，逐一分析横向初始缺陷与横向位移因素指标R1l 、拱圈整体横向刚度因素指标R2l和拱桥非保向力因 |
| 作者 |
| 新闻作者:郑凯锋，万鹏 |
| 关键字 |
