小箱梁-25m小箱梁邊梁計(jì)算書

PAGE25m簡(jiǎn)支變連續(xù)小箱梁邊梁驗(yàn)算報(bào)告1、設(shè)計(jì)規(guī)范與標(biāo)準(zhǔn)1.1《公路工程技術(shù)標(biāo)準(zhǔn)》(JTGB01-2003)1.2《公路橋涵設(shè)計(jì)通用規(guī)范》(JTGD60-2004)1.3《公路鋼筋混凝土及預(yù)應(yīng)力混凝土橋涵設(shè)計(jì)規(guī)范》(JTGD62-2004)1.4《公路交通安全設(shè)施設(shè)計(jì)規(guī)范》(JTGD81-2006)2.5《公路橋涵施工技術(shù)規(guī)范》(JTJ041-2000)2、計(jì)算資料2.1技術(shù)指標(biāo)2.1.1橋面寬度:全寬26m，橫向布置為0.5米防撞護(hù)欄+12米行車道+1米防撞護(hù)欄+12米行車道+0.5米防撞護(hù)欄2.1.2橋面橫坡:雙向橫坡2%2.1.3車輛荷載等級(jí):公路-I級(jí)2.1.4環(huán)境類別:Ⅱ類2.2計(jì)算參數(shù)2.2.1結(jié)構(gòu)重要性系數(shù):1.12.2.2相對(duì)濕度:80%2.2.3管道摩擦系數(shù):u=0.25管道偏差系數(shù):k=0.00152.2.4鋼筋回縮和錨具變形為:一端6mm2.2.5梯度溫度:正負(fù)溫差按10cm瀝青鋪裝層考慮，T1=14℃，T2=5.5℃2.2.6支座不均勻沉降5mm2.2.7計(jì)算跨徑:25m2.3主要材料2.3.1混凝土:小箱梁采用C50混凝土，Ec＝34500MPa2.3.2鋼絞線:低松弛高強(qiáng)度鋼絞線應(yīng)符合GB/T5224-2003或ASTMA416-2003的規(guī)定。單根鋼絞線直徑Φj15.24mm，鋼絞線面積140mm2，fpk=1860MPa，彈性模量EP=195000MPa。2.3.3R235，HRB335鋼筋應(yīng)分別符合GB13013-1991和GB1499-98的規(guī)定。2.4施工階段劃分第一階段吊裝預(yù)制部分小箱梁；第二階段澆筑1、3號(hào)墩頂濕接縫并張拉相應(yīng)墩頂負(fù)彎矩鋼束；第三階段澆筑2號(hào)墩頂濕接縫并張拉相應(yīng)墩頂負(fù)彎矩鋼束；第四階段完成體系轉(zhuǎn)換；第五階段澆筑橋面鋪裝層及護(hù)欄。2.5結(jié)構(gòu)外形圖3、計(jì)算方法主梁按部分預(yù)應(yīng)力混凝土A類構(gòu)件設(shè)計(jì)，其計(jì)算采用平面桿系有限元程序，荷載橫向分布系數(shù)采用剛接板梁法計(jì)算。橫向分布系數(shù)為0.818，結(jié)構(gòu)自振頻率為4.5Hz。共劃分單元86個(gè)，節(jié)點(diǎn)87個(gè)。4、小箱梁驗(yàn)算4.1施工階段正截面砼法向應(yīng)力驗(yàn)算；單元位置最大/最小驗(yàn)算上翼緣應(yīng)力(MPa)下翼緣應(yīng)力(MPa)允許應(yīng)力(MPa)3I[3]最大OK1.14038.996919.2783I[3]最小OK1.14038.9969-1.5775I[5]最大OK0.844912.219919.2785I[5]最小OK0.79912.1978-1.5777I[7]最大OK0.362513.196919.2787I[7]最小OK0.362513.1969-1.5779I[9]最大OK0.45213.179119.2789I[9]最小OK0.45213.1791-1.57711I[11]最大OK0.488913.147919.27811I[11]最小OK0.488913.1479-1.57713I[13]最大OK0.235913.477219.27813I[13]最小OK0.235913.4772-1.57715I[15]最大OK2.482612.413419.27815I[15]最小OK1.159311.7527-1.57717I[17]最大OK6.141911.181819.27817I[17]最小OK1.849310.3694-1.57727I[27]最大OK2.378610.726719.27827I[27]最小OK2.20088.0759-1.57729I[29]最大OK2.713710.328519.27829I[29]最小OK1.52279.4677-1.57731I[31]最大OK0.337211.663919.27831I[31]最小OK0.337211.6639-1.57733I[33]最大OK0.420611.614119.27833I[33]最小OK0.420611.6141-1.57735I[35]最大OK0.339911.660319.27835I[35]最小OK0.339911.6603-1.57737I[37]最大OK2.762710.303819.27837I[37]最小OK1.52549.4623-1.57739I[39]最大OK6.78568.437619.27839I[39]最小OK2.22858.0662-1.57749I[49]最大OK3.02219.559419.27849I[49]最小OK2.20088.0759-1.57751I[51]最大OK2.725410.309319.27851I[51]最小OK1.52279.4677-1.57753I[53]最大OK0.342811.654719.27853I[53]最小OK0.342811.6547-1.57755I[55]最大OK0.420511.614319.27855I[55]最小OK0.420511.6143-1.57757I[57]最大OK0.33411.669919.27857I[57]最小OK0.33411.6699-1.57759I[59]最大OK2.750810.323519.27859I[59]最小OK1.52549.4623-1.57761I[61]最大OK6.15899.598419.27861I[61]最小OK2.22858.0662-1.57771I[71]最大OK2.382112.283419.27871I[71]最小OK1.825310.3758-1.57773I[73]最大OK2.448412.412419.27873I[73]最小OK1.159411.7522-1.57775I[75]最大OK0.241813.466719.27875I[75]最小OK0.241813.4667-1.57777I[77]最大OK0.493713.139119.27877I[77]最小OK0.493713.1391-1.57779I[79]最大OK0.455513.17419.27879I[79]最小OK0.455513.174-1.57781I[81]最大OK0.364913.193719.27881I[81]最小OK0.364913.1937-1.57783I[83]最大OK0.844912.220619.27883I[83]最小OK0.800312.1964-1.5774.2受拉區(qū)預(yù)應(yīng)力鋼筋的應(yīng)力驗(yàn)算鋼束驗(yàn)算施工階段預(yù)應(yīng)力筋應(yīng)力(MPa)使用階段預(yù)應(yīng)力筋應(yīng)力(MPa)控制張拉應(yīng)力(MPa)使用階段容許應(yīng)力(MPa)邊1-1OK1257.19451192.32313951209邊1-2OK1249.35961188.03713951209邊1-3OK1241.67541183.89513951209邊1-4OK1259.15161180.47213951209邊2-1OK1257.17471192.30113951209邊2-2OK1249.29631188.01713951209邊2-3OK1241.73371183.97313951209邊2-4OK1259.07751180.313951209負(fù)1-1OK1227.83171146.58513951209負(fù)1-2NG1311.11391212.60413951209負(fù)2-1OK1227.83171145.32913951209負(fù)2-2NG1311.11391211.34913951209負(fù)3-1OK1227.83171146.71613951209負(fù)3-2NG1311.11391212.73613951209中1-1OK1261.36631198.28213951209中1-2OK1253.43871193.21613951209中1-3OK1245.96641188.62513951209中1-4OK1257.3561180.43113951209中2-1OK1261.36631198.28913951209中2-2OK1253.43871193.22413951209中2-3OK1245.96641188.63413951209中2-4OK1257.35591180.44139512094.3持久狀況正常使用極限狀態(tài)正截面A類預(yù)應(yīng)力構(gòu)件抗裂驗(yàn)算；單元位置短/長(zhǎng)驗(yàn)算上翼緣應(yīng)力(MPa)下翼緣應(yīng)力(MPa)允許應(yīng)力(MPa)3I[3]長(zhǎng)期OK1.13828.296103I[3]短期OK0.03798.0844-1.8555I[5]長(zhǎng)期OK1.97129.220805I[5]短期OK0.7319.3101-1.8557I[7]長(zhǎng)期OK2.31198.903707I[7]短期OK0.89119.3146-1.8559I[9]短期OK1.20718.9703-1.8559I[9]長(zhǎng)期OK2.80588.2422011I[11]長(zhǎng)期OK2.92528.0841011I[11]短期OK1.14889.1305-1.85513I[13]長(zhǎng)期OK2.45258.7577013I[13]短期OK0.500710.1192-1.85515I[15]長(zhǎng)期OK3.97488.6786015I[15]短期OK1.849910.365-1.85517I[17]短期OK4.52110.4581-1.85517I[17]長(zhǎng)期OK6.83118.4025027I[27]長(zhǎng)期OK3.43337.9272027I[27]短期OK1.115410.0011-1.85529I[29]長(zhǎng)期OK3.77747.4872029I[29]短期OK1.66689.1654-1.85531I[31]長(zhǎng)期OK2.09077.8512031I[31]短期OK0.12849.2458-1.85533I[33]短期OK0.4538.787-1.85533I[33]長(zhǎng)期OK2.36967.476035I[35]長(zhǎng)期OK2.09517.8452035I[35]短期OK0.14039.2253-1.85537I[37]長(zhǎng)期OK3.80987.4901037I[37]短期OK1.7299.1098-1.85539I[39]短期OK11.27973.1622-1.85539I[39]長(zhǎng)期OK7.64145.4854049I[49]長(zhǎng)期OK3.40667.9806049I[49]短期OK1.15169.937-1.85551I[51]長(zhǎng)期OK3.76917.5052051I[51]短期OK1.68789.1288-1.85553I[53]長(zhǎng)期OK2.09527.8446053I[53]短期OK0.13979.2261-1.85555I[55]短期OK0.45358.7863-1.85555I[55]長(zhǎng)期OK2.37017.4753057I[57]長(zhǎng)期OK2.09157.8503057I[57]短期OK0.12999.2435-1.85559I[59]長(zhǎng)期OK3.8197.4704059I[59]短期OK1.70899.1449-1.85561I[61]長(zhǎng)期OK7.69925.3734061I[61]短期OK11.43632.8625-1.85571I[71]短期OK1.078411.4828-1.85571I[71]長(zhǎng)期OK3.3999.4202073I[73]長(zhǎng)期OK3.93728.6877073I[73]短期OK1.811710.3777-1.85575I[75]長(zhǎng)期OK2.45328.7562075I[75]短期OK0.500610.1191-1.85577I[77]長(zhǎng)期OK2.92588.0825077I[77]短期OK1.14939.129-1.85579I[79]短期OK1.20758.9702-1.85579I[79]長(zhǎng)期OK2.8068.2424081I[81]長(zhǎng)期OK2.3128.9041081I[81]短期OK0.89279.3124-1.85583I[83]長(zhǎng)期OK1.97139.2212083I[83]短期OK0.73329.3065-1.8554.4、使用階段斜截面抗裂驗(yàn)算單元位置驗(yàn)算最大主拉應(yīng)力(MPa)允許應(yīng)力(MPa)3I[3]OK-0.1769-1.8555I[5]OK-0.2283-1.8557I[7]OK-0.1568-1.8559I[9]OK-0.1048-1.85511I[11]OK-0.0489-1.85513I[13]OK-0.1189-1.85515I[15]OK-0.1116-1.85517I[17]OK-0.1713-1.85527I[27]OK-0.2314-1.85529I[29]OK-0.1005-1.85531I[31]OK-0.2535-1.85533I[33]OK-0.0451-1.85535I[35]OK-0.2433-1.85537I[37]OK-0.1143-1.85539I[39]OK-0.1891-1.85549I[49]OK-0.2524-1.85551I[51]OK-0.1152-1.85553I[53]OK-0.2423-1.85555I[55]OK-0.0451-1.85557I[57]OK-0.2536-1.85559I[59]OK-0.0996-1.85561I[61]OK-0.1731-1.85571I[71]OK-0.2524-1.85573I[73]OK-0.1118-1.85575I[75]OK-0.119-1.85577I[77]OK-0.0488-1.85579I[79]OK-0.1048-1.85581I[81]OK-0.1565-1.85583I[83]OK-0.2281-1.8554.5、使用階段正截面砼壓應(yīng)力驗(yàn)算單元位置驗(yàn)算上翼緣壓應(yīng)力(MPa)下翼緣壓應(yīng)力(MPa)允許壓應(yīng)力(MPa)3I[3]OK3.70339.119216.25I[5]OK4.55329.93216.27I[7]OK4.86719.658316.29I[9]OK9.52241.570516.211I[11]OK9.94080.876116.213I[13]OK-0.23910.908916.215I[15]OK1.018411.328116.217I[17]OK12.53733.390116.227I[27]OK0.057111.396516.229I[29]OK0.734510.318916.231I[31]OK-0.720310.23716.233I[33]OK9.34670.279616.235I[35]OK-0.647610.107216.237I[37]OK10.12381.423216.239I[39]OK12.50212.002616.249I[49]OK0.221311.097116.251I[51]OK10.08451.429216.253I[53]OK-0.648410.108316.255I[55]OK9.34720.278816.257I[57]OK-0.718610.234416.259I[59]OK0.776710.297416.261I[61]OK12.66391.692216.271I[71]OK0.120812.685816.273I[73]OK0.980211.341816.275I[75]OK-0.239310.909216.277I[77]OK9.94140.874416.279I[79]OK9.52221.571416.281I[81]OK4.86389.665116.283I[83]OK4.54799.942616.24.6、使用階段斜截面主壓應(yīng)力驗(yàn)算:單元位置驗(yàn)算最大主壓應(yīng)力(MPa)允許應(yīng)力(MPa)3I[3]OK9.051519.445I[5]OK9.92419.447I[7]OK9.617719.449I[9]OK9.569419.4411I[11]OK10.103819.4413I[13]OK10.935519.4415I[15]OK11.325919.4417I[17]OK13.248119.4427I[27]OK11.391519.4429I[29]OK10.32319.4431I[31]OK10.290419.4433I[33]OK9.776419.4435I[35]OK10.161319.4437I[37]OK10.178319.4439I[39]OK13.331419.4449I[49]OK11.093219.4451I[51]OK10.133719.4453I[53]OK10.16219.4455I[55]OK9.776919.4457I[57]OK10.288219.4459I[59]OK10.304619.4461I[61]OK13.492919.4471I[71]OK12.669619.4473I[73]OK11.336619.4475I[75]OK10.935219.4477I[77]OK10.102319.4479I[79]OK9.56819.4481I[81]OK9.624519.4483I[83]OK9.93419.444.7、使用階段正截面抗彎驗(yàn)算單元位置最大/最小類型驗(yàn)算結(jié)構(gòu)外力彎矩值(kN·m)結(jié)構(gòu)抗彎承載能力

(kN·m)3I[3]最大MY-MAXOK277.17065490.56123I[3]最小MY-MINOK-4.70985796.67605I[5]最大MY-MAXOK3855.39957233.64395I[5]最小MY-MINOK1528.48897233.64397I[7]最大MY-MAXOK6290.87068076.25517I[7]最小MY-MINOK2426.99558076.25519I[9]最大MY-MAXOK7623.88848315.90409I[9]最小MY-MINOK2814.34178315.904011I[11]最大MY-MAXOK7889.70198317.604511I[11]最小MY-MINOK2690.52778317.604513I[13]最大MY-MAXOK7151.52598241.388613I[13]最小MY-MINOK20__.77518241.388615I[15]最大MY-MAXOK5479.07327717.036015I[15]最小MY-MINOK941.56807717.036017I[17]最大MY-MAXOK3080.78986716.326517I[17]最小MY-MINOK-816.07216898.449427I[27]最大MY-MAXOK2956.44275796.582027I[27]最小MY-MINOK-1244.26335449.802629I[29]最大MY-MAXOK5083.40366832.425429I[29]最小MY-MINOK429.04896832.425431I[31]最大MY-MAXOK6502.98167355.348931I[31]最小MY-MINOK1386.04007355.348933I[33]最大MY-MAXOK6986.35487431.370933I[33]最小MY-MINOK1808.23257431.370935I[35]最大MY-MAXOK6492.56927355.155035I[35]最小MY-MINOK1489.12467355.155037I[37]最大MY-MAXOK5059.06776830.802437I[37]最小MY-MINOK595.43366830.802439I[39]最大MY-MAXOK2819.94237380.559639I[39]最小MY-MINOK-904.39277347.033149I[49]最大MY-MAXOK2820.04215796.582049I[49]最小MY-MINOK-904.28145447.783551I[51]最大MY-MAXOK5059.28646832.425451I[51]最小MY-MINOK595.59696832.425453I[53]最大MY-MAXOK6492.88047355.348953I[53]最小MY-MINOK1489.36527355.348955I[55]最大MY-MAXOK6986.75747431.370955I[55]最小MY-MINOK1808.55397431.370957I[57]最大MY-MAXOK6503.47627355.155057I[57]最小MY-MINOK1386.43817355.155059I[59]最大MY-MAXOK5083.99046830.802459I[59]最小MY-MINOK429.52416830.802461I[61]最大MY-MAXOK2956.98517378.548961I[61]最小MY-MINOK-1243.57317349.545871I[71]最大MY-MAXOK3081.33676681.882671I[71]最小MY-MINOK-815.39146012.662573I[73]最大MY-MAXOK5479.66087717.036073I[73]最小MY-MINOK942.03147717.036075I[75]最大MY-MAXOK7152.01918241.388675I[75]最小MY-MINOK20__.16478241.388677I[77]最大MY-MAXOK7890.09838317.604577I[77]最小MY-MINOK2690.84108317.604579I[79]最大MY-MAXOK7624.18768315.904079I[79]最小MY-MINOK2814.57828315.904081I[81]最大MY-MAXOK6291.07258076.255181I[81]最小MY-MINOK2427.15508076.255183I[83]最大MY-MAXOK3855.50377233.643983I[83]最小MY-MINOK1528.57147233.64394.8、使用階段斜截面抗剪驗(yàn)算單元位置最大/最小類型驗(yàn)算結(jié)構(gòu)荷載剪力(kN)結(jié)構(gòu)抗剪承載力(kN)截面驗(yàn)算剪力驗(yàn)算3I[3]最大FX-MAXOK-556.92807.2OK跳過(guò)3I[3]最小FX-MINOK-1476.52807.2OK驗(yàn)算5I[5]最大FZ-MAXOK-336.51813.8OK跳過(guò)5I[5]最小FZ-MINOK-1145.31813.8OK驗(yàn)算7I[7]最大FZ-MAXOK-79.61820.5OK跳過(guò)7I[7]最小FZ-MINOK-828.31820.5OK驗(yàn)算9I[9]最大FZ-MAXOK181.61733.7OK跳過(guò)9I[9]最小FZ-MINOK-521.51733.7OK驗(yàn)算11I[11]最大FZ-MAXOK467.71725.7OK跳過(guò)11I[11]最小FZ-MINOK-248.01725.7OK跳過(guò)13I[13]最大FZ-MAXOK763.21778.3OK驗(yàn)算13I[13]最小FZ-MINOK-1.41778.3OK跳過(guò)15I[15]最大FZ-MAXOK1057.51846.1OK驗(yàn)算15I[15]最小FZ-MINOK232.81846.1OK跳過(guò)17I[17]最大FZ-MAXOK1348.41725.7NG驗(yàn)算17I[17]最小FZ-MINOK453.81725.7OK驗(yàn)算27I[27]最大FZ-MAXOK-385.91666.7OK跳過(guò)27I[27]最小FZ-MINOK-1261.31666.7OK驗(yàn)算29I[29]最大FZ-MAXOK-149.51805.1OK跳過(guò)29I[29]最小FZ-MINOK-959.51805.1OK驗(yàn)算31I[31]最大FZ-MAXOK99.41747.7OK跳過(guò)31I[31]最小FZ-MINOK-657.41747.7OK驗(yàn)算33I[33]最大FZ-MAXOK358.01696.8OK跳過(guò)33I[33]最小FZ-MINOK-358.71696.8OK跳過(guò)35I[35]最大FZ-MAXOK650.01748.0OK驗(yàn)算35I[35]最小FZ-MINOK-94.11748.0OK跳過(guò)37I[37]最大FZ-MAXOK951.71805.5OK驗(yàn)算37I[37]最小FZ-MINOK153.41805.5OK跳過(guò)39I[39]最大FZ-MAXOK1252.31666.3OK驗(yàn)算39I[39]最小FZ-MINOK380.91666.3OK跳過(guò)49I[49]最大FZ-MAXOK-380.91666.7OK跳過(guò)49I[49]最小FZ-MINOK-1252.31666.