【正文】 ......................................................................... 7 荷載組合及容許應(yīng)力 .......................................................................................................... 7 承載力極限狀態(tài)組合： ............................................................................................. 8 持久狀況應(yīng)力驗算： ................................................................................................. 8 抗裂驗算： ............................................................................................................... 8 計算書的內(nèi)容 ..................................................................................................................... 9 2 橋梁上部結(jié)構(gòu)主梁縱向計算 ......................................................................................................... 9 主梁縱向計算模型 ............................................................................................................. 9 主梁縱向計算結(jié)果 ............................................................................................................. 9 承載能力極限狀態(tài)驗算 ...........................................................................................10 正常使用階段應(yīng)力驗算 ...........................................................................................10 正常使用階段抗裂驗算 ........................................................................................... 11 撓度驗算 ................................................................................................................12 3 橋梁上部結(jié)構(gòu)橫梁計算結(jié)果 ........................................................................................................12 計算參數(shù) ..........................................................................................................................13 計算結(jié)果 ..........................................................................................................................14 端橫梁驗算 .............................................................................................................14 中橫梁驗算 .............................................................................................................15 4 橋梁上部結(jié)構(gòu)橋面板和懸臂板計算結(jié)果 ......................................................................................16 計算參數(shù) ..........................................................................................................................16 橋面板計算結(jié)果 ...............................................................................................................17 懸臂板計算結(jié)果 ...............................................................................................................19 車行道懸臂板計算結(jié)果 ...........................................................................................19 人行道懸臂板計算結(jié)果 ...........................................................................................20 5 下部結(jié)構(gòu)計算 .............................................................................................................................22 計算參數(shù) ..........................................................................................................................22 荷載 .......................................................................................................................22 荷載組合 ................................................................................................................22 緯一河 2橋設(shè)計計算書（上部結(jié)構(gòu)） 2 主橋橋墩、樁的計算 ........................................................................................................23 計算模型 ................................................................................................................23 設(shè)計計算參數(shù) .........................................................................................................25 下部主要構(gòu)件的模擬 ...............................................................................................26 主要構(gòu)件間的連接 ...................................................................................................27 靜力計算結(jié)果 ..........................................................................................................27 6 承臺計算 ....................................................................................................................................29 計算參數(shù) ..........................................................................................................................29 荷載 .......................................................................................................................29 荷載組合 ................................................................................................................29 主橋橋墩承臺 ...................................................................................................................29 致 謝 ............................................................................................................................................30 1