新规范桥梁构件计算表格汇总(2013版)
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直径10直径12绞缝1707.6现浇层3060.84519.6合计
厚宽长合计桥面C500.1515.515.9437.1面积长道数绞缝C500.099214.641116.0厚宽长共计沥青砼0.1114.515.9425.4防水层
15.515.94247.1厚高长道数合计砂浆共计M15砂浆(中间)
0.010.1214.64110.193248M15砂浆(两端)
0.010.85 1.3110.12155预应力钢绞线一块板板数共计合计‘中板288102880边板
326.42652.8硬塑料套管一块板板数共计合计‘中板
4810480边板5821160.3596
桥面现浇层现浇C503532.8
直径810121625
堵头板119.9
楔形块179.52
边板1984.61470.8505.2372
中板9419653528951860
分类合计11523.58185.33400.22232
总计25341.0
面域、长道合计
预制C50砼中板正常段0.517712.641065.43728
渐变段0.6130521012.261
端部0.7084 1.3109.2092
边板正常段0.614612.64215.53709
渐变段0.68722 2.748
端部0.7594 1.32 1.97444
楔形块0.3096
堵头板0.7现浇C50面域长道合计
中板0
封端砼0.3456 1.310 4.4928
边板0
封端砼0.3456 1.320.89856
高道数长凿毛合计
凿毛0.92215.94315.612
572.9
增加梁顶凿毛257.3
共计108.2
5.4。
截面宽b(mm):1500 2.100E+06截面高h(mm):1400 2.313E+06截面核芯宽b cor (mm):18506200.00截面核芯高h cor (mm):12501.10d 1:n 1:50A st :40212d 1:S v :100A sv1:2015006540f sd A st S V /(f sv A sv1U cor ):计算值:截面周边纵向钢筋单肢抗扭箍筋纯扭构件纵向钢筋与箍筋的配筋强度比ζ几何信息材料信息计算信息配筋信息3.23ξ≥0.6,ξ值满足要求1.7ξ>1.7,取值1.70.51×10-3(f cu,k )1/2(kN/mm 2): 3.606E-03截面构造扭矩上限T d (kN.m):3320构造抗扭不满足截面构造扭矩下限T d (kN.m):842需要配抗扭钢筋!矩形截面受扭塑性抵抗矩W t :(mm 3) 1.013E+09规范5.5.3-1式构造抗扭计算数值γ0T d /W t((kN/mm 2): 4.944E-03纵向周边普通钢筋抗拉设计强度f sd (MPa):280箍筋抗拉设计强度f sv (MPa):280设计荷载承载极限状态设计扭矩T d (kN.m):4551γ0T d (kN.mm):16混凝土强度设计等级:50混凝土轴心抗拉设计强度f td (Mpa):1.83直径(mm)根数面积(mm 2)32直径(mm)间距(mm)面积(mm 2)矩形截面纯扭构件抗扭承载力验算(JTG D62-2004)(5.5条)截面面积A(mm 2):抗扭截面核芯面积A cor (mm 2):截面核芯面积的周长U cor (mm):结构重要性系数γ0。
梁、板、柱、墙各类构件主要钢筋的计算公式柱基础插筋弯折长度a+锚固竖直长度h1+Hn/3+搭接长度LlE(焊接时0)-1层纵筋-1层层高-(-1层)Hn/3+1层Hn/3+搭接长度LlE(焊接时0)1层纵筋1层层高-1层Hn/3+2层max(Hn/6,hc,500)+搭接长度LlE(焊接时0)中间层纵筋本层高-本层下部非连接区高度+伸入上层非连接区高度+搭接长度LlE顶层中柱纵筋当梁高≥lae时直锚,顶层净高-本层非连接高度-保护层当梁高<lae时,弯锚顶层净高-本层非连接高度+(梁高-保护层+12d)顶层角柱纵筋外侧顶层层高-max{Hn/6,500,hc}-梁高+1.5LaE内侧(弯锚时)顶层层高-max{Hn/6,500,hc}-梁高+梁高-保护层+12d(直锚时)顶层层高-max{Hn/6,500,hc}-保护层角部附加筋Ф10长600箍筋长度=(b+h)*2-保护层*8+8d+1.9d*2+ max(10d,75mm)*2小箍长度=[箍筋间距*小箍间的间距数量+D+(h-保护层*2)]*2+8d+1.9d*2+ max(10d,75mm)*2拉勾b或h-2*保护层+2*箍筋直径+2*拉筋直径+1.9d*2+ max(10d,75mm)*2变截面柱上部向下纵筋进入下部柱子长度1.5Lae.下部向上纵筋弯折要超过上部柱子截面≥5d柱插筋弯折长度a:柱子在基础内的箍筋的间距≤500mm,且不少于两道矩形箍筋。
只有基础顶部和首层是Hn/3,其余各层都为Hn/6。
当基础的高度容许竖向直锚深度≥Lae时,桩角筋插至基础底部,柱中部部筋插入基础Lae。
注:h1是基础高度减去基础下保护层的厚度。
Hn为本楼层的净高度,如基础顶到-1层的板底高度,1层板顶到2层板底的高度。
Hc为柱子的长边长度。
层高是指本层的板顶标高到上一层的板顶标高。
剪力墙基础插筋弯折长度a+竖直锚固长度h1+搭接长度1.2LaE中间层纵筋层高+搭接长度1.2LaE顶层纵筋层高-板厚+锚固水平筋内侧长度-保护层*2+弯折长度15d*2 (端柱时可直锚)外侧外侧长度-保护层*2拉勾墙厚-保护层*2+2d+1.9d*2+max(75,10d)*2洞口垂直筋、水平筋在洞口处弯折15d.连梁连梁纵筋单洞口洞口宽+2*max{600,LaE}双洞口双洞口宽+两洞口间的墙肢长+2*max{600,LaE}箍筋同梁箍筋(墙顶连梁根数不一样)楼层框架梁上通筋净跨长+左支座锚固+右支座锚固当hc-保护层(直锚长度)>LaE时,支座锚固取Max(LaE ,0.5hc+5d)当hc-保护层(直锚长度) ≤LaE时,支座锚固取hc-保护层+15d左右支座负筋第一排左或右支座锚固+净跨长/3 (支座锚固同上)第二排左或右支座锚固+净跨长/4 (支座锚固同上)中间支座负筋第一排2*max(第一跨,第二跨)净跨长/3+支座宽第二排2*max(第一跨,第二跨)净跨长/4+支座宽中间跨负筋净跨长+左右支座宽+max(n-1跨,n跨)净跨长/3++max(n跨,n+1跨)净跨长/3架立筋净跨长-净跨长/3*2+150*2下通筋净跨长+左支座锚固+右支座锚固当hc-保护层(直锚长度)>LaE时,支座锚固取Max(LaE ,0.5hc+5d)当hc-保护层(直锚长度) ≤LaE时,支座锚固取hc-保护层+15d中间支座下部筋中间支座下部筋锚固长度=max(0.5hc+5d,LaE)侧面构造筋净跨长+2*15d侧面抗扭筋净跨长+2*锚固长度(同框架梁下部纵筋)不伸入支座筋净跨长*0.8箍筋(梁宽b-保护层*2+d*2)*2+(梁高h-保护层*2+d*2)*2+1.9d*2+max(10d,75mm)*2拉筋梁宽-2*保护+2*1.9d+2*max(10d,75mm)+2d吊筋次梁宽+2*50+2*(梁高-2保护层)/正弦45度(60度)+2*20d屋面框架梁上通筋净跨长+左支座锚固+右支座锚固支座锚固取支座宽-柱保护层+梁高(有加腋时含加腋高)-梁保护层左右支座负筋第一排左或右支座锚固+净跨长/3 (支座锚固同上)第二排左或右支座锚固+净跨长/4 (支座锚固同上)其余钢筋同楼层框架梁非框架梁上部钢筋上部钢筋锚固同框架梁下部钢筋下部钢筋锚固取12d(La用于弧形梁)(光面钢筋时15d)端支座负筋端支座负筋长度=左支座锚固+净跨长/5(弧形梁时净跨长/3)其余钢筋同框架梁钢筋基础连梁上部钢筋基础间净长+两端支座的锚固La(图纸有说明按图纸)下部钢筋基础间净长+两端支座的锚固La(图纸有说明按图纸)箍筋(基础间净长-50*2)/间距+6 进入基础每边加3套箍筋注:La的锚固长度的起点多跨的是柱,单跨的是承台边。
分块面积分块面积分块面积形心到上缘距离分块面积对上缘静矩分块面积自身惯矩di=ys-yi分块面积对截面形心惯矩I=Ii+Ix cm 2cm cm3cm4cm cm4cm4翼板36007.52700067500561136016911427669三角承托15016.667250020847331459331668腹板261087.52283754572938-2414815476054485下三角360153.3551888000-9028917672899767马蹄1080170183********-1061220946312245463∑780049666346846462827440632959052翼板27007.5202505062563.501088772410938349三角承托15016.667250020854.33442842443050腹板261087.52283754572938-16.507104105283347下三角360153.3551888000-82.3024382722446272马蹄1080170183********-99.001058467610620676∑69004899134667771250639232973169463.67cm 71.00cm36.33cm 66.36cm0.57分块面积分块面积分块面积形心到上缘距离分块面积对上缘静矩分块面积自身惯矩di=ys-yi分块面积对截面形心惯矩I=Ii+Ix cm 2cm cm3cm 4cm cm 4cm 4翼板36007.5270006750064.851513962115207121三角承托15016.667250020855.68465080465288腹板207072.51500752281313-0.15472281360下三角360123.3443888000-50.95934545942545马蹄2700155418500520833-82.651844401018964843∑888064246328778553498330337861157翼板27007.5202505062572.161406035914110984三角承托15016.667250020863.00595280595488腹板207072.515007522813137.161062172387530下三角360123.3443888000-43.64685499693499分块截面几何特性分块名称大毛截面小毛截面大毛截面形心到上缘距离ys1=小毛截面形心到上缘距离ys2=检验截面效率指标(希望>0.5)上核心距=下核心距=截面效率指标=说明以上初步拟定主梁跨中截面尺寸是合理的变化点截面跨中截面小毛截面分块名称大毛截面马蹄2700155418500520833-75.341532417415845007∑798063571328609803077152933632508ys1=72.35cm ys2=79.66cm分块面积分块面积分块面积形心到上缘距离分块面积对上缘静矩分块面积自身惯矩di=ys-yi分块面积对截面形心惯矩I=Ii+Ix cm 2cm cm3cm 4cm cm 4cm 4翼板36007.5270006750063.451449317914560679三角承托15016.667250020854.28441994442202腹板891097.586872520214563-26.55628075426495317∑12660898225202822712121592741498198翼板27007.5202505062568.311259730612647931三角承托15016.667250020859.14524608524816腹板891097.586872520214563-21.69419342524407988∑11760891475202653961731533937580736ys1=70.95cm k x =46.20cmys2=75.81cmg=17.25g1=20.18g2=10.96跨中四分点变化点支点α0.500.250.050.00弯距2110.911583.18387.950.00剪力0.00145.58263.05291.16弯距1152.17864.13211.750.00剪力0.0079.46143.58158.92弯距3263.082447.31599.690.00剪力0.00225.04406.62450.08支点Mmax Qmax Mmax Qmax Mmax Qmax Qmax KN.m KN KN.m KN KN.m KN KN 一期恒载2110.910.001583.18145.58387.95263.05291.16二期恒载1152.170.00864.1379.46211.75143.58158.92总恒载=1+23263.080.002447.31225.04599.69406.62450.08汽-201935.88104.331603.57195.59404.70225.05292.50挂-1002350.40162.091913.60266.09490.02276.53277.56恒+汽5198.96104.334050.88420.631004.39631.67742.58恒+挂5613.48162.094360.91491.131089.71683.15727.64Σ荷载类型变化点截面跨中截面四分点截面恒载内力一期内力组合计算支点截面二期小毛截面分块名称大毛截面Sji=1.2*恒+1.4*汽6625.93146.065181.77543.871286.21803.02949.60Sjm=1.2*恒+1.1*挂6501.14178.305041.73562.751258.65792.13845.41汽/6*100%0.37 1.000.400.460.400.360.39提高系数 1.03 1.00 1.03 1.03 1.03 1.00 1.03挂/7*100%0.42 1.000.440.540.450.400.38提高系数 1.00 1.03 1.00 1.02 1.00 1.00 1.00提高后Sji 6824.71146.065337.22560.191324.80803.02978.08提高后Sjm 6501.14183.655041.73574.001258.65792.13845.41钢束其弯高度y1y2L1x3ΦR N1(N2)2112.198.8110099.2571182.35N35112.1938.8110099.2575207.12N4103.325.8877.4210096.59152272.05N512025.8894.1210096.59152762.15N6120.8830.9089.9810095.11181838.41x4(cm)R (cm)sin cos a0(cm)ai(cm)ay(cm)N1(N2)/1182.3599.00N3/5207.1299.00N4/2272.0516.716.70N565.232762.150.023620.999723030.77N682.651838.410.044960.998994243.86N1(N2)71.031182.350.060070.99819911.14N3565.215207.120.108550.99409939.77N4515.342272.050.226820.9739416.775.92N5650.232762.150.235410.9719030107.63y 角度a x5x5*tan(a)a0ai N1(N2)21.007.0032.32 3.979.0026.03N351.0015.0028.637.679.0052.33N4103.3015.0029.307.8516.70112.15N5120.0015.0021.265.7030.00144.30N6RΦ曲线长S 直线长X1直线长L1有效长度预留长度N1(N2)1182.357.00144.451238.97100.002966.85140.00N35207.127.00636.17744.79100.002961.91140.00N42272.0515.00594.82794.66100.002978.96140.00N52762.1515.00723.13659.77100.002965.80140.00N61838.4118.00577.55642.35100.002639.82140.00分块名称分块面积分块面积重心到上缘距离分块面积对上缘静矩全截面重心到上缘距离分块面积自身惯矩di管道面积=46.566n=6n y =毛截面6900.0071.0048991329731694-4.2619.72钢束布置计算各计算截面钢束位置及钢束群位置1/4点支点72.17钢束长度计算49.12变化点截面面积和惯矩计算扣除管道面积-279.40160.72-449050-93.97Σ6667.1744500829731694毛截面7800.0063.67496663329590522.78钢束换算面积230.40160.7237030-94.26Σ8030.4053369332959052毛截面6900.0071.0048991329731694-4.24扣除管道面积-279.40160.28-44781-93.51Σ6667.1744513229731694毛截面7800.0063.67496663329590522.77钢束换算面积230.40160.2836928-93.83Σ8030.4053359132959052毛截面7980.0079.6663571333632508-1.54扣除管道面积-232.83130.88-30474-52.76Σ7747.1760523933632508毛截面8880.0072.35642463378611571.24钢束换算面积192.00130.8825130-57.30Σ9072.0066759337861157毛截面11760.0075.8189147537580736-0.65扣除管道面积-232.83107.83-25106-32.67Σ11527.1786636937580736毛截面12660.0070.95898225414981980.55钢束换算面积192.00107.8320704-36.33Σ12852.0091892941498198b1=180r s =66.75b2=240rs=Ai(cm2)yi(cm)Si(cm3)Ai(cm2)yi(cm)翼板270059159965翼板360059三角承托150507512三角承托15050肋板90494432肋板9049171909下三角3608731171下三角36087马蹄1080103111514马蹄1080104肋板3608329971肋板36084管道-27994-26256管道23094146401翼板270059159965翼板360058三角承托150507512三角承托15049肋板9322624108肋板93225191584-1翼板270059159965翼板360058三角承托150507512三角承托15049肋板9262624098肋板92625191575rs=67rs=Ai(cm2)yi(cm)Si(cm3)Ai(cm2)yi(cm)净截面换算截面66.7666.4578.1273.591/4点1/4点跨中66.7566.46换算截面净截面换算截面跨中75.1671.50截面对重心轴静矩计算净截面净轴以上面积对净轴静矩换轴以上面积对净轴静矩静矩翼缘对换轴静矩马蹄部分对换轴静矩净轴以上面积对换轴静矩换轴以上面积对换轴静矩静矩变化点支点净截面换算截面翼缘对净轴静矩马蹄部分对净轴静矩翼板270059160015翼板360058三角承托150507515三角承托15049肋板90494434肋板9048171963下三角3608731165下三角36088马蹄1080103111494马蹄1080104肋板3608329965肋板36084管道-27994-26128管道23095146496翼板270059160015翼板360058三角承托150507515三角承托15049肋板9322624108肋板93225191637翼板270059160015翼板360058三角承托150507515三角承托15049肋板9262624098肋板92625191628rs=78rs=Ai(cm2)yi(cm)Si(cm3)Ai(cm2)yi(cm)翼板270071190685翼板360066三角承托150619219三角承托15057肋板90615456肋板9056205359下三角3604516275下三角36050马蹄270077207565马蹄270081肋板3604215075肋板36046管道-23353-12284管道23057226632翼板270071190685翼板270066三角承托150619219三角承托15057肋板11363235862肋板108327235765翼板270071190685翼板270066三角承托150619219三角承托15057肋板10553435677肋板102530235580rs=75rs=Ai(cm2)yi(cm)Si(cm3)Ai(cm2)yi(cm)翼板270068182679翼板360064三角承托150588774三角承托15055肋板2705815568肋板27054207021翼板270068182679翼板360064三角承托150588774三角承托15055肋板32493097715肋板324926净轴以上面积对净轴静矩变化点翼缘对净轴静矩马蹄部分对净轴静矩净轴以上面积对净轴静矩净轴以上面积对换轴静矩换轴以上面积对净轴静矩静矩翼缘对净轴静矩马蹄部分对净轴静矩翼缘对换轴静矩翼缘对净轴静矩净轴以上面积对净轴静矩换轴以上面积对换轴静矩静矩翼缘对换轴静矩支点净轴以上面积对换轴静矩翼缘对换轴静矩马蹄部分对换轴静矩净轴以上面积对换轴静矩换轴以上面积对换轴静矩静矩换轴以上面积对净轴静矩静矩马蹄部分对换轴静矩289168翼板270066178443翼板360062三角承托150578538三角承托15053肋板30512886193肋板305125273174跨中四分点变化点支点A j cm 266676667774711527I j cm 427389284274122913300329637337114y js cm 67677875y jx cm 113113102105梁上边缘W js cm 3410350410580422448496776梁下边缘W jx cm 3241840242083323955356130翼缘部分面积S a-j cm 3171909171963205359253200净轴以上面积S j-j cm 3191584191637235765324446换轴以上面积S o-j cm3191575191628235580307763马蹄部分面积S h-j cm 31464011464962266320e j cm98.5193.5152.7632.67A o cm 280308030907212852I o cm 435066653350475203850508941755461y os cm 66.4666.4573.5971.50y ox cm 113.54113.55106.41108.50梁上边缘W os cm3527643527455523250583986梁下边缘W ox cm 3308846308643361850384846翼缘部分面积S a-o cm 3224128220924252332253200净轴以上面积S j-o cm 323064239638217100324446换轴以上面积S o-o cm 3239659239635217836307763马蹄部分面积S h-o cm31948911964842668420e o cm 98.8093.8357.3036.33a ycm14.7419.7249.1272.17θ=Φ-α角度弧度N1(N2)70.127.570.03080.030342.29N3150.267.540.05730.055777.66N4150.267.540.05730.055777.67N513.650.247.460.05270.051471.64N615.420.27 5.810.05700.055477.23N1(N2)70.1214.820.03800.037352.06N3150.2614.790.06450.062587.17N4150.2614.790.06450.062587.18N5150.2614.710.06450.062487.08N6180.3113.060.07280.070297.88钢束群重心到净轴距离换算截面换算面积换算惯距截面形心至上缘距离截面形心至下缘距离截面抗弯模量对形心轴静矩混凝土净截面净面积净惯矩截面形心至上缘距离截面形心至下缘距离截面抗弯模量单位截面换轴以上面积对净轴静矩静矩面积对净轴静矩截面管道摩擦损失σs1截面位置钢束x (m)μ*θ+k*x 1-e -(μθ+kx)σk [1-e-(μθ+kx)](Mpa)面积对换轴静矩换轴以上面积对换轴静矩静矩截面特性汇总1/4点钢束群重心到换轴距离钢束群重心到下缘距离对形心轴静矩名称符号跨中N1(N2)11.560.20 1.720.04000.039354.76N38.770.15 1.690.03080.030342.26N4 1.890.03 1.690.00800.007911.06N5 1.380.02 1.610.00620.00628.63N1(N2)000.320.00030.00030.45N3000.290.00030.00030.40N4000.290.00030.00030.41N5000.210.00020.00020.30钢束N1(N2)N3N4N5N6l(mm)31068.4931019.1431189.5831057.9927798.16σs2(Mpa)73.3973.5073.1073.4182.02σy0σy0*Δay cos αN y0A j =6667I j =27412291N21279.3210746.30110746.3010746.30103.751114928.70N11246.8310473.40110473.4021219.70103.751086615.52N51195.5410042.560.99972110810039.7631259.4681.98823059.59N31153.959693.1419693.1440952.60103.751005663.14N41131.349503.2619503.2650455.8796.05912788.38Aj=6667Ij=27389284.01N21269.5510664.22110664.2210664.22103.761106519.33N11237.2910393.20110393.2021057.42103.761078398.71N51179.699909.3619909.3630966.7882.76820098.48N31144.369612.6619612.6640579.44103.76997409.44N41131.269502.6019502.6050082.0496.05912724.49Aj=7747Ij=33003295.98N21266.8610641.590.99819400710622.3710622.3790.86965148.32N11244.4110453.080.99819400710434.2021056.5790.86948051.50N51299.6410916.960.97189685810610.1631666.73-5.63-59735.21N31230.3810335.190.9940914110274.1241940.8583.37856553.64N41268.7510657.470.97393711710379.7152320.5626.08270702.82A=8030.4Io=35047519.92N611235.7510380.280.99898900210369.7869.69722721.48N2914.407680.9317680.93104.55803069.23N1914.937685.3917685.39104.55803534.73N5888.337461.960.9997211087459.8882.78617553.08N3882.687414.5217414.52104.55775214.85N4881.477404.3817404.3896.54714783.45N6890.037476.230.9989890027468.6769.69520528.85Σ45113.774234684.19A=8030.4Io=35066652.86变化点1/4点支点锚具变形,钢束回缩引起的损失σs2(Mpa)截面σs4计算表钢束号锚固时预加纵向轴力N y0ΣNy0(0.1KN)e yi M y0=Ny0*eyi1/4点跨中变化点成桥后张拉N6N611235.7510380.27515110380.2751571.54742614.5091N2929.797810.24333317810.243333104.54816490.0799N1891.347487.28532117487.285321104.54782727.7499N5892.207494.47881917494.47881983.54626095.7096N3896.707532.25247817532.252478104.54787428.6581N4892.307495.27927917495.27927996.87726074.6536N6890.987484.22985217484.22985271.54535428.7432Σ45303.769084274245.594σs5=0.045*139562.775截面Ny(Mpa)My(Mpa)Mg(Mpa)My-Mg I (m 4) A (m 2)e (m)Ny/A 跨中5008.204915.152110.912804.240.273892840.670.997.511/4点5045.594943.061583.18253359.870.2741229050.670.947.57变化点5232.062980.72387.94562592.780.330032960.770.53 6.75βα(τ)=0.312u=818.74h=λ*2*Ah/u=28.58查表Φf2= 1.61Φf =2*1.61= 3.22Φ(∞,т)=Φ(t,т)= 2.77ε=0.23*10^3配筋率跨中1/4点变化点A (cm 2)8030.408030.409072.00Ay (cm2)50.4050.4050.40μ0.010.010.01跨中1/4点变化点r 24366.744364.364244.39e A98.8093.8357.30e A 29761.628804.463282.83ρ3.24 3.02 1.771+10*μ*ρ 1.20 1.19 1.10Φ(∞,т) 2.773 2.773 2.773ε=0.000230.000230.00023σh17.6019.0310.90n*σh*Φ(∞,т)271.86293.98168.36Ey*ε42.5542.5542.55n*σh*Φ(∞,314.41336.53210.91261.34282.94192.00跨中混凝土收缩须变损失σs6σh的计算分母分子σs6 (Mpa)σs1σs2σs4N11395.0052.0673.3932.261237.29N21395.0052.0673.390.001269.55N31395.0087.1773.5089.961144.36N41395.0087.1873.10112.971121.75N51395.0087.0873.4154.831179.69N61395.0097.8882.021215.10N11395.0054.7673.3922.441244.41N21395.0054.7673.390.001266.86N31395.0042.2673.5048.861230.38N41395.0011.0673.1042.091268.75N51395.008.6373.4113.321299.64截面M (KN.m)N (KN)σs5+σs6N y N y1M'M y1变化点2980.7252320.560.005232.060.002980.72(一)混凝土法向应力的验算梁截面下缘最大压应力бha ≤0.75R ab’=0.75×0.9×35=23.625MPa 梁截面上缘最大拉应力бhl ≤0.75R lb’=0.70×0.9×3.0=1.89MPa 截面应力部位M g1 (kN·m)N y0(kN)M y0(kN·m)A j (m 2)I 1(m 4)e 1s e 1x (m)上缘0.67下缘 1.13上缘0.67下缘 1.13上缘0.78下缘1.02采用两定点吊装。
圆形截面沿周边均匀配筋偏心受压构件承载力计算
圆形截面沿周边均匀配筋偏心受压构件承载力计算
说明:1、本表根据规范JTG D62-2004 5.3.9及附录C编写。
2、规范对相对受压区高度精度要求为0.02。
3、当偏心很大或很小时可改精度(Q23处)。
4、计算时,填入R列相应数据,点击“开始计算”按钮。
5、计算可以选择查表计算和按公式计算,由于查表计算未考虑g对C,D的影响,
两者将有所差别,但经测试对结果影响很小。
6、公式计算的ε增量为0.001,查表计算ε增量为0.01,故公式计算更容易找到满足要求的ε值。
单元体计算用采光顶和雨篷(四边简支)斜玻璃竖向三片玻璃幕墙的分格宽B 1500玻璃的传热系数 1.5框架面积Af 0.1908幕墙的分格高H1500框架隔热形式 4.5玻璃面积Ag 2.0592立柱的宽度65隔条形式0.25幕墙的传热系数UCW 2.0044横梁的宽度65幕墙的总面积At 2.2500注:单位W/(m2.K)根据幕墙传热系数要求确定型材是否隔热,当传热系数U CW 的限值大于3.0 W/(m2.K)时,可考虑采用非隔热型材;2、当传热系数限值小于3.0 W/(m2.K)时,宜采用隔热型材;1、根据受力要求选定型材截面尺寸(如65型材、75型材等),并由分格尺寸和型材截面尺寸计算幕墙总面积At、框架面积Af、玻璃面积Ag;3、根据是否采用暖边隔条,按下式计算所需玻璃传热系数的限值Ug:门窗幕墙传热系数估算方法1、已知幕墙(门窗)的基本配置,估算其传热系数。
已知幕墙(门窗)的总面积At、框架面积Af、玻璃面积Ag、玻璃传热系数Ug、框架隔热型式,求幕墙(门窗)的传热系数UCW。
式中,隔热型材Uf≈4.5 W/(m2.K)、非隔热型材Uf≈13 W/(m2.K),铝隔条U ψ≈0.25 W/(m2.K)、暖边隔条(不锈钢分子筛等) U ψ≈0.15 W/(m2.K)。
2、已知门窗或幕墙的传热系数要求及分格尺寸,选用型材及玻璃。
已知幕墙(门窗)的传热系数要求UCW、分格尺寸B×H,选用型材及玻璃:4、空气露点温度Td计算公式:露点温度/℃12.0014.03361411——空气的相对湿度,%——空气的饱和水蒸汽压,hPa 空气水蒸气压e6.117.5237.323.389356843、在空气相对湿度f下,空气的水蒸汽压计算公式: 其中 ——空气的水蒸汽压,hpaE0 /hpaa b Es sE f e ⨯=e f sE 1)11.6lg(-=e a bT d幕墙的分格宽B 1000幕墙的传热系数UCW2框架面积Af 0.1908幕墙的分格高H 2000框架隔热形式 4.5玻璃面积Ag 1.8092立柱的宽度65隔条形式0.25玻璃的传热系数 1.4600横梁的宽度65幕墙的总面积At 2.0000注:单位W/(m2.K)幕墙的分格宽B(mm)1500上横梁的面积(m2)0.139951竖向中梃缝长(m) 1.2816幕墙的分格高H(mm)1500上横梁缝长(m) 1.2816玻璃面积(m2) 1.502548(单元体/窗左)立柱的宽度(mm)109.2中横梁的面积(m2)0.139951单元体/窗中梃立柱的宽度(mm)0中横梁缝长(m) 1.2816单元体/窗右立柱的宽度(mm)109.2下横梁的面积(m2)0.139951(单元体/窗上)横梁的宽度(mm)109.2下横梁缝长(m) 1.2816单元体/窗中横梁的宽度(mm)109.2边框的面积(m2)0.327600单元体/窗下横梁的宽度(mm)109.2边框的缝长(m) 2.5632幕墙或窗的形式3竖向中梃面积(m2)0.000000幕墙和窗户的形式如下图所示玻璃的传热系数1.587左立柱的线传热系数玻璃2.1104中横梁的传热系数玻璃0中横梁的0.0000(单元体/窗左)立柱的传热系数3.9281中梃立柱的线传热系数框 5.0085下横梁的传热系数框4.1596下横梁的0.8760单元体/窗中梃立柱的传热系数4.6091中梃立柱的线传热系数玻璃 2.1498下横梁的传热系数玻璃 2.1088左立柱的ψ0.1449单元体/窗右立柱的传热系数0右立柱的线传热系数框0板材宽度bp(mm)200中立柱的ψ0.1126(单元体/窗上)横梁的传热系数3.7579右立柱的线传热系数玻璃0左立柱的0.8912右立柱的ψ-0.3174单元体/窗中横梁的传热系数0上横梁的传热系数框 4.142中梃立柱的0.4300上横梁的ψ0.1468单元体/窗下横梁的传热系数3.7624上横梁的传热系数玻璃 2.1113右立柱的0.0000中横梁的ψ-0.3174左立柱的线传热系数框4.2961中横梁的传热系数框0上横梁的0.8746下横梁的ψ0.1477四点1/四边222、传热系数和线传热系数计算未完成3、U值的计算透明幕墙的传热系数U值 3.0000透明部分未完成1、面积与缝长计算注:1、无特殊说明的话,紫色位置输入幕墙实际尺寸;2、如果计算框架幕墙,则输入立柱的宽度为实际立柱宽度的二倍;3、∑∑∑∑∑+++=fg f f gg CW A A l U A U A U ψϕ0.18750.21650.24170.26390.28390.30210.31220.31880.32510.38620.43960.50040.57030.65170.86251.17752.1188单元体计算用斜玻璃计算用三片玻璃计算用=223τ f。
截面半径r (mm):
980截面换算高度h (mm):1960截面纵向配筋半径r s (mm):
890g=r s /r=
0.9082截面有效高度h 0(mm):
1870
构件计算长度l 0(mm):
20000荷载偏心率对截面曲率影响系数ξ1: 1.000ξ1计算值是否大于1YES 荷载偏心率对截面曲率影响系数ξ2:
1.000ξ2计算值是否大于1
YES 偏心距增大系数η:
1.144偏心距增大后数值ηe 0(mm):
1103
构件混凝土强度等级f cu,k (Mpa):30混凝土轴心抗压设计强度f cd (Mpa):
13.8混凝土材料极限压应变εcu :0.0033普通钢筋弹性模量E S (MPa): 2.00E+05受拉钢筋设计强度f s d (MPa):280受压钢筋设计强度f's d (MPa):280结构重要性系数γ0
1.00承载极限状态设计轴向压力N d (kN):8739γ0N d (kN):8739承载极限状态设计偏心弯矩M d (kN.m):8427γ0M d (kN.m):
8427
轴向力对截面重心轴的偏心距e 0(mm):
964
20
71.00
圆形截面偏心受压钢筋混凝土构件配筋计算(JTG D62-2004)(5.3.9条)
几何信息
材料信息
设计荷载
2258.68不同钢筋直径对应配筋根数
2545.44
2836.23
3227.74。