【正文】 瀾滄江托巴大橋連續(xù)剛構(gòu)方案畢業(yè)設(shè)計(jì)目 錄前 言 .................................................................................................................................1第一章 總 論 ..............................................................................................................2 設(shè)計(jì)特點(diǎn) ...............................................................................................................2 受力特點(diǎn) ...............................................................................................................3 構(gòu)造特點(diǎn) ...............................................................................................................3 零號(hào)塊 .......................................................................................................3 橫隔板 .......................................................................................................3 合攏段 .......................................................................................................3第二章 橋跨總體布置及結(jié)構(gòu)主要尺寸 ................................................................5 設(shè)計(jì)資料 ...............................................................................................................5 方案簡述 ...................................................................................................5 設(shè)計(jì)依據(jù) ...................................................................................................5 上部構(gòu)造主梁細(xì)部尺寸 .......................................................................................6 主梁尺寸擬定 ...........................................................................................6第三章 荷載內(nèi)力計(jì)算 ................................................................................................8 建模及數(shù)據(jù)輸入 ...................................................................................................8 單元?jiǎng)澐?...................................................................................................8 全橋施工階段的劃分 ...............................................................................9 施工過程模擬 ...........................................................................................9 計(jì)算結(jié)果及數(shù)據(jù)處理 .........................................................................................10 恒載內(nèi)力 .................................................................................................10 活 載內(nèi)力 .................................................................................................10 荷載組合及其原理 .............................................................................................18 原理 .........................................................................................................18 內(nèi)力包絡(luò)圖 .............................................................................................20 內(nèi)力組合表 .............................................................................................21i第四章 縱向預(yù)應(yīng)力 鋼束估算及布置 ..................................................................22 縱向預(yù)應(yīng)力鋼束估算 .........................................................................................22 預(yù)應(yīng)力束估算原理 .................................................................................22 預(yù)應(yīng)力束估算 .........................................................................................25 預(yù)應(yīng)力束布置 .....................................................................................................31第五章 次內(nèi)力計(jì)算 ...................................................................................................33 自 重徐變次內(nèi)力計(jì)算 .........................................................................................33 預(yù)加力次 內(nèi)力計(jì)算 .............................................................................................36 溫度次內(nèi)力 .........................................................................................................38 溫度對(duì)連續(xù)鋼構(gòu)橋的影響 .....................................................................38 溫度次內(nèi)力的計(jì)算 .................................................................................39第六章 截面 驗(yàn)算 ........................................................................................................44 內(nèi)力組合 .............................................................................................................44 荷載和荷載效應(yīng) .....................................................................................44 內(nèi)力組合 .................................................................................................44 承載力極限狀態(tài)驗(yàn)算 .........................................................................................45 基本理論 .................................................................................................45 截面強(qiáng)度驗(yàn)算 .........................................................................................50 正常使用極限狀態(tài)驗(yàn)算 .....................................................................................59 基本理論 .................................................................................................59 變形驗(yàn)算與預(yù)拱度設(shè)置 .........................................................................66 應(yīng)力驗(yàn)算 .............................................................................................................68 持久狀況應(yīng)力驗(yàn)算 .................................................................................68 短暫狀況應(yīng)力驗(yàn)算（施工階段應(yīng)力驗(yàn)算） .........................................81 主 要工程材料用量 .............................................................................................94 混凝土用量 .............................................................................................94 鋼筋用量 .................................................................................................94 錨具 用量 .................................................................................................95第七 章 總 結(jié) .................................................................................................................95參考 文獻(xiàn) ....................................................................................................