三跨連續(xù)箱梁計算書

1、I題目學院（系）：專業(yè)班級：學生姓名：指導老師：I目錄摘要....................................................................IAbstract...............................................................II緒論...............................................

2、.....................11上部結構設計概述......................................................31.1設計基本資料....................................................31.2截面形式及截面尺寸擬定..........................................41.3毛截面幾何特性計算...

3、...........................................52上部結構內力計算......................................................92.1單元劃分........................................................92.2恒載內力計算.......................................

4、............102.3溫度及墩臺基礎沉降次內力計算...................................112.4收縮次內力.....................................................152.5活載組合內力計算...............................................162.6內力組合......................

5、.................................183預應力鋼束的估算與布置...............................................243.1計算原理.......................................................243.2預應力鋼束的估算...............................................27

6、3.3預應力鋼束布置................................................303.4預應力損失計算.................................................324普通鋼筋估算.........................................................365強度驗算............................

7、.................................386應力、變形驗算.......................................................416.1基本原理.......................................................416.2施工階段應力驗算.............................................

8、..416.3使用階段應力驗算...............................................476.4撓度的計算與驗算預拱度的設計...................................577橋墩的計算...........................................................607.1設計資料............................

9、...........................607.2墩柱計算.......................................................618鉆孔灌注樁計算.......................................................658.1荷載計算.......................................................

10、658.2樁長計算.......................................................668.3樁的內力計算（m法）...........................................668.4樁頂縱向水平位移驗算與樁身材料截面強度驗算.....................69結束語..............................................