米预应力混凝土简支t形梁桥设计(无图表)

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1、40米预应力混凝土简支T形梁桥设计(无图表)摘要..................................................错误！未定义书签。Abstract..............................................错误！未定义书签。第一章预应力混凝土简支T形梁桥设计....................................11.1桥梁跨径及桥宽............................................

2、......11.2设计荷载........................................................11.3材料规格........................................................11.4设计依据........................................................11.5基本计算数据..............................................

3、......1第二章截面设计......................................................32.1主梁间距与主梁片数..............................................32．2主梁跨中截面尺寸拟订...........................................42.2.1主梁高度......................................................42.2.2

4、主梁截面细部尺寸..............................................42.2.3计算截面几何特征..............................................42.2.4检验截面效率指标?（希望?在0.5以上）.......................5第三章主梁作用效应计算..............................................73.1永久作用效应计算.....................

5、...........................73.1.1永久作用集度.................................................73.1.2永久作用效应..................................................83.2可变作用效应计算................................................93.2.1冲击系数和车道折减系数...........................

6、.............93.2.2计算主梁的荷载横向分布系数....................................93.2.3车道荷载取值.................................................123.2.4可变作用效应.................................................133.3主梁作用效应组合...............................................15第

7、四章预应力钢束数量估算及其布置...................................164.1跨中截面钢束的估算和确定.......................................164.2预应力钢束的布置...............................................17第五章计算主梁截面几何特性.........................................215.1截面面积及惯矩计算..................

8、...........................215.2截面静距计算...................................................225.3截面几何特性汇总...............................................23第六章主梁界面承载力与应力计算.....................................246.1持久状况承载能力极限状态承载