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《預(yù)應(yīng)力混凝土連續(xù)梁橋設(shè)計(jì) 畢業(yè)設(shè)計(jì)計(jì)算書(shū)》由會(huì)員上傳分享，免費(fèi)在線(xiàn)閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、目錄第一章概述·····························41.1地質(zhì)條件···························41.2主要技術(shù)指標(biāo)·························41.3設(shè)計(jì)規(guī)范及標(biāo)準(zhǔn)························4第二章方案比選······························52.1概述·····························52.2比選原則···························52.3比選方案···························52.3.1預(yù)應(yīng)
2、力混凝土連續(xù)梁橋··················52.3.2預(yù)應(yīng)力混凝土連續(xù)剛橋橋·················72.3.3普通上承式拱橋·····················82.4方案比較···························9第三章預(yù)應(yīng)力混凝土連續(xù)梁橋總體布置·················123.1橋型布置···························123.2橋孔布置···························123.3橋梁上部結(jié)構(gòu)尺寸擬定·····················123.4橋梁下部結(jié)構(gòu)尺寸擬定·····
3、················133.5本橋使用材料·························143.6毛界面幾何特性計(jì)算······················14第四章荷載內(nèi)力計(jì)算·························164.1模型簡(jiǎn)介···························164.2全橋結(jié)構(gòu)單元的劃分······················164.2.1劃分單元原則······················164.2.2橋梁具體單元?jiǎng)澐帧ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?74.3全橋施工節(jié)段的劃分············
4、··········174.3.1橋梁劃分施工分段原則··················174.3.2施工分段劃分······················174.4恒載、活載內(nèi)力計(jì)算······················174.4.1恒載內(nèi)力計(jì)算······················174.4.2懸臂澆筑階段內(nèi)力····················184.4.3邊跨合龍階段內(nèi)力····················19924.4.4中跨合龍階段內(nèi)力····················204.4.5活載內(nèi)力計(jì)算·····················
5、·214.5其他因素引起的內(nèi)力計(jì)算····················234.5.1溫度引起的內(nèi)力計(jì)算···················234.5.2支座沉降引起的內(nèi)力計(jì)算·················254.5.3收縮、徐變引起的內(nèi)力計(jì)算················264.6內(nèi)力組合···························284.6.1正常使用極限狀態(tài)的內(nèi)力組合···············284.6.2承載能力極限狀態(tài)的內(nèi)力組合···············29第五章預(yù)應(yīng)力鋼束的估算與布置····················325.1鋼束估
6、算···························325.1.1按承載能力極限計(jì)算時(shí)滿(mǎn)足正截面強(qiáng)度要求·········325.1.2按正常使用極限狀態(tài)的應(yīng)力要求計(jì)算············335.2預(yù)應(yīng)力鋼束布置························395.3預(yù)應(yīng)力損失計(jì)算························405.3.1預(yù)應(yīng)力與管道壁間摩擦引起的應(yīng)力損失···········405.3.2錨具變形、鋼筋回縮和接縫壓縮引起的應(yīng)力損失········415.3.3混凝土的彈性壓縮引起的應(yīng)力損失·············415.3.4鋼筋松弛引起的應(yīng)力
7、損失·················425.3.5混凝土收縮徐變引起的應(yīng)力損失··············425.3.6有效預(yù)應(yīng)力計(jì)算·····················445.4預(yù)應(yīng)力計(jì)算··························45第六章強(qiáng)度驗(yàn)算···························486.1正截面承載能力驗(yàn)算······················486.2斜截面承載能力驗(yàn)算······················51第七章應(yīng)力驗(yàn)算······
