沂蒙桥设计(编辑修改稿)

沂蒙桥设计(编辑修改稿)内容摘要：

.................................................................................42 换算截面惯性矩 ......................................................................................42 换算截面弹性抵抗矩 ...............................................................................43 承载能力极限状态计算 ...................................................................................43 跨中截面正截面抗弯承载力计算 .............................................................43 局部承压区的截面尺寸验算 ......................................................................44 预应力损失计算 .............................................................................................48 锚具变形、回缩引起的应力损失 .............................................................48 加热养护引起的温差损失 ........................................................................48 预应力钢绞线由于应力松弛引起的预应力损失 .........................................49 鲁东大学本科毕业设计 12 混凝土弹性压缩引起的预应力损失 ..........................................................49 混凝土收缩、徐变引起的预应力损失 .......................................................50 预应力损失组合 .......................................................................................53 正常使用极限状态 .........................................................................................53 斜截面抗裂性验算 ...................................................................................58 变形计算 ......................................................................................................62 正常使用阶段的挠度计算 .......................................................................62 预加力引起的反拱度计算及预拱度的设置 ...............................................63 持久状态应力验算 ........................................................................................65 跨中截面混凝土法向压应力验算 .............................................................65 跨中截面预应力钢绞线拉应力验算 .........................................................66 斜截面主应力验算 ..................................................................................66 短暂状态应力计算 .......................................................................................70 跨总截面 ..............................................................................................70 L/4 截 面 .................................................................................................72 支点截面 ...............................................................................................73 最小配筋率复合 ..........................................................................................75 支座计算 .....................................................................................................76 确定支座平面尺寸 .................................................................................76 确定支座的厚度 ....................................................................................77 验算支座偏 转情况 .................................................................................78 验算支座的抗滑稳定性 ...........................................................................79 盖梁计算 ......................................................................................................79 荷载计算 ...............................................................................................80 内力计算 ................................................................................................90 截面配筋设计与承载力校核 ....................................................................94 桥墩墩柱计算 ............................................................................................ 101 荷载计算 ............................................................................................. 101 截面配筋计算及应力验算 ..................................................................... 103 钻孔灌注桩计算 ......................................................................................... 107 荷载计算 .............................................................................................. 107 桩长计算 .............................................................................................. 110 桩的内力计算 ....................................................................................... 112 桩身截面配筋与强度验算 ..................................................................... 114 墩顶纵向水平位移验算 ......................................................................... 116 第 4 章 施工方法 .......................................................................。