钢箱梁桥毕业设计
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
钢箱梁桥毕业设计
篇一:桥梁工程毕业设计正文【钢箱梁桥】
目录
1.绪论 ................................................ ................................................... . (3)
2.设计概述 ................................................ ................................................... .. (4)
2.1桥孔布置 ................................................ ................................................... .. (5)
2.2 截面尺寸及拟定 ................................................ ................................................... (5)
2.2.3箱梁面板厚度设置 ................................................ ....................................................
6
2.2.4箱梁腹板宽度设置 ................................................ . (7)
3.主梁截面几何特性计算 ................................................ ................................................... (7)
4.主梁内力计算 ................................................ ................................................... . (8)
4.1恒载内力计算 ................................................ ................................................... . (8)
4.1.1一期恒载内力 ................................................ ................................................... . (9)
4.1.2二期恒载内
................................................... .. (10)
4.1.3总恒载内力 ................................................ ................................................... (11)
4.2活载内力计算 ................................................ ................................................... .. (12)
4.2.1横向分布系数的计算 ................................................ . (12)
4.2.2主梁内力影响线及加载 ................................................ (13)
4.3内力组合 ................................................ ................................................... . (20)
4.3.1承载能力极限状
..................................................
20
5.第二体系的计算 ................................................ ................................................... . (21)
5.1桥面板的局部应力计算 ................................................ ....................................................
21
5.2截面几何特征值的计算 ................................................ ...................................................
22
5.3纵横肋的弯矩计算 ................................................ ................................................... .. (26)
5.3.1活载的弯矩计算 ................................................ ....................................................
26
5.3.2恒载的弯矩计算 ................................................ ....................................................
27
5.3.3 横肋弹性变形附加弯矩计算 ................................................ .. (28)
5.4纵肋截面的应力计算 ................................................ ................................................... . (30)
6.应力检算 ................................................ ................................................... (31)
小结 ................................................ ................................................... (33)
参考文献 ................................................