預應力混凝土空心板橋設計畢業(yè)設計

1、目錄 目錄前 言...............................................................................1摘 要...............................................................................2一、 水文計算..................................

2、.........................................41.1 橋位計算 ........................................................................41.1.1 設計流量..................................................................41.1.2 設計水位.........

3、.........................................................61.1.3 橋孔凈長 ..................................................................61.2 橋面標高 ........................................................................81.

4、3 橋下河床沖刷 ....................................................................81.3.1 一般沖刷 ..................................................................81.3.2 局部沖刷（按“65-1”修正式計算） .......................................

5、..101.3.3 墩臺基礎最大沖刷 .........................................................111.3.4 橋墩基底最小埋置深度的確定 ...............................................12二、 設計資料..................................................................

6、........132.1 設計荷載 .......................................................................132.2 橋面跨徑及橋?qū)?.................................................................132.3 主要材料 ........................................

7、...............................132.3.1 混凝土 ...................................................................132.3.2 鋼筋 .....................................................................132.3.3 板式橡膠支座 ...............

8、..............................................132.3.4 施工工藝 .................................................................132.3.5 計算方法及理論 ...........................................................132.3.6 設計依據(jù) ........

9、.........................................................13三、 預應力簡支空心板橋結構計算........................................................143.1 構造形式以及尺寸選定 ...........................................................143.2 空心板毛截面幾

10、何特性計算 .......................................................153.2.1 中板 .....................................................................153.2.2 邊板 ....................................................................

11、.163.3 作用效應計算 ...................................................................173.3.1 永久作用效應計算 .........................................................173.3.2 可變作用效應計算 ................................................

12、.........193.3.3 荷載橫向分布系數(shù)匯總 .....................................................243.3.4 活載內(nèi)力計算 .............................................................253.3.5 計算作用效應組合 ..............................................

13、...........303.3.6 主梁內(nèi)力組合 .............................................................323.4 預應力剛筋面積的估算及預應及鋼筋布置 ...........................................323.4.1 估算預應力鋼筋面積 ...............................................

14、........323.4.2 鋼束布置 .................................................................333.13.4 驗算支座的抗滑穩(wěn)定性....................................................69四、下部結構計算.....................................................

15、..................704.1 蓋梁計算.......................................................................704.1.1 上部結構永久荷載見表 4-1..................................................704.1.2 蓋梁自重及內(nèi)力計算（圖 4-1）見表 4-2. .................

16、....................704.1.3.可變荷載計算.............................................................724.1.4 上部荷載與活載反力匯總結果（表 5-6）......................................794.1.5 墩柱反力 計算 ...........................................

17、...............80 1 G4.1.6 蓋梁的配筋設計...........................................................844.2 墩柱設計 .......................................................................864.2.1 恒載計算 ................................

18、.................................864.2.2 截面配筋計算及應力驗算...................................................884.3 樁基設計 .......................................................................924.3.1 樁長的確定 .....................

19、..........................................924.3.2 樁的內(nèi)力計算 .............................................................934.3.3 墩頂縱向水平位移的驗算 ...................................................964.3.4 樁基配筋設計 ................

20、.............................................974.4 埋置式橋臺設計 .................................................................984.4.1 橋臺和基礎構造尺寸擬定 ...................................................984.4.2 荷載的計算 ...........

21、....................................................984.3.3 支座活載反力計算 ........................................................1024.3.4 支座摩阻力..............................................................1044.5 荷載組合匯總......

22、............................................................1044.6 地基承載力驗算................................................................1064.6.1 臺前、臺后填土對基底產(chǎn)生的附加應力計算..................................1064.6.2 基底壓力計算 ....

23、........................................................1074.6.3 地基承載力驗算..........................................................1084.7 基底的偏心距驗算..............................................................1084.8 基礎穩(wěn)定性驗

24、算 ................................................................1084.8.1 傾覆穩(wěn)定性驗算..........................................................1084.8.2 滑動穩(wěn)定性驗算..........................................................109致謝.