30米箱梁结构计算书.doc

结构计算书 上部结构计算书1.概况与基本数据1.1概况（1） 上部构造形式采用6梁式，见图1：图1箱梁横断面（单位：cm）（2） 明确12厘米现浇混凝土铺装不参与受力。（3） 混凝土强度等级：c40 （4） 箱梁结构3孔连续。1.2基本数据（1） 结 构：3跨后张法预应力混凝土连续箱梁（2） 计算跨径：30米（3） 车 道 数：4车道（4） 汽车荷载：城市b级 人群荷载：4.5kn/m2 2. 技术规范2.1公路工程技术标准(jtg 001-97)2.2公路桥涵设计通用规范（jtg 021-89）2.3公路钢筋混凝土及预应力混凝土桥涵设计规范（jtg d23-85）3.材料主要指标3.1混凝土表1 箱梁混凝土主要指标指标强度等级弹性模量容 重轴心抗压设计强度抗拉设计强度轴心抗压标准强度抗拉标准强度c402618.41.6526.82.203.2 预应力钢绞线 表2 钢绞线主要指标 公称直径 截面面积单位重量标准强度弹性模量松驰级别1401.1021860 3.3 钢筋 表3 钢筋主要指标钢筋种类抗拉设计强度抗压设计强度标准强度弹性模量r235195195235hrb3352802803354.计算参数4.1预应力筋计算参数（1） 预应力锚下张拉控制应力为，两端张拉（2） 预应力筋与管道壁摩擦系数=0.25（3） 管道每米局部偏差对摩擦的影响系数k=0.0015（4） 1000小时钢绞线松驰率4.54.2温度效应考虑整体均匀温升20，整体均匀温降-25。非线形温度梯度按公路桥涵设计通用规范（jtg d60-2004）第4.3.10条规定执行12cm桥面板升高5。5连续箱梁计算5.1计算模型说明采用大型通用有限元软件midas进行空间分析及结构计算，12cmc40防水混凝土、护栏重力荷载作为二期恒载。用梁单元模拟预制混凝土，并按照施工图的配筋图，对梁进行普通钢筋及预应力钢筋的配筋模拟计算。30m单跨模型如下图所示：图2 30米单跨模型示意图整桥模型如下图所示：图3 3跨整桥模型示意图5.2计算结果1.支座反力节点荷载fx(kn)fy（kn）fz(kn)mx(kn*m)my(kn*m)mz(kn*m)1clcb27272.25 0867.67 106.04 7376.64 407.07 67clcb27256.60 01087.56 73.31 7184.78 26.87 133clcb27266.81 01077.45 73.30 7188.49 25.28 199clcb27273.50 01077.53 69.98 7195.82 27.02 265clcb27278.56 01087.68 70.11 7208.35 25.59 331clcb27312.31 0867.53 102.95 7419.80 372.89 12clcb21106.28 01762.93 01404.27 0.00 78clcb21127.54 02046.89 01304.88 0.00 144clcb21126.14 01984.01 01321.10 0.00 210clcb21137.95 01984.83 01334.41 0.00 276clcb21164.28 02046.01 01345.70 0.00 342clcb21172.54 01763.76 01479.43 0.00 23clcb21122.64 01764.05 01437.10 0.00 89clcb21142.13 02047.89 01335.18 0.00 155clcb21136.47 01985.18 01346.94 0.00 221clcb21143.52 01985.99 01354.75 0.00 287clcb21162.18 02046.71 01358.85 0.00 353clcb21163.27 01762.38 01485.17 0.00 34clcb27177.49 0862.17 07300.27 0.00 100clcb27297.39 01059.80 07235.27 0.00 166clcb27271.02 01048.14 07203.48 0.00 232clcb27282.28 01061.10 07216.04 0.00 298clcb27334.39 01086.80 07276.72 0.00 364clcb27257.57 0866.58 07392.53 0.00 组合名称：clcb21.2永久荷载+1.4移动荷载注：节点表示支座设置位置。2. 使用阶段正截面压应力验算结果单元位置组合名称类型验算sig_maxsig_alw1i3clcb8fx-maxok-395.059134001j2clcb8fx-minok209.2689134002i4clcb8fx-minok-313.432134002j3clcb8fx-maxok-371.419134003i5clcb8fx-minok-118.653134003j4clcb8fx-minok-310.932134004i6clcb8fx-maxok59.7439134004j5clcb8fx-minok-121.34134005i7clcb8fx-maxok88.464134005j6clcb8fx-maxok54.5683134006i8clcb8fx-minok496.7769134006j7clcb8fx-maxok83.6155134007i9clcb8fx-minok2210.024134007j8clcb8fx-minok499.0188134008i10clcb8fx-minok1745.06134008j9clcb8fx-minok2185.943134009i11clcb8fx-maxok3811.784134009j10clcb8fx-minok1744.7591340010i13clcb8fx-minok3619.9571340010j11clcb8fx-maxok3780.8151340011i14clcb8fx-maxok3626.6251340011j13clcb8fx-maxok2858.4521340012i15clcb8fx-maxok953.38461340012j14clcb8fx-maxok3674.7781340013i16clcb8fx-minok1563.8051340013j15clcb8fx-maxok1031.771340014i17clcb8fx-minok446.25441340014j16clcb8fx-minok1581.4011340015i18clcb8fx-minok-330.8581340015j17clcb8fx-minok438.77741340016i19clcb8fx-minok454.04111340016j18clcb8fx-minok-333.2421340017i20clcb8fx-minok1592.4441340017j19clcb8fx-minok454.87531340018i21clcb8fx-maxok1032.5031340018j20clcb8fx-minok1562.4531340019i22clcb8fx-maxok3655.6241340019j21clcb8fx-maxok944.32821340020i24clcb8fx-maxok2808.8891340020j22clcb8fx-maxok3601.8921340021i25clcb8fx-maxok3749.8511340021j24clcb8fx-minok3586.2651340022i26clcb8fx-minok1725.2761340022j25clcb8fx-maxok3786.5181340023i27clcb8fx-minok2168.7681340023j26clcb8fx-minok1747.1651340024i28clcb8fx-minok486.56321340024j27clcb8fx-minok2203.2681340025i29clcb8fx-maxok9528clcb8fx-minok488.69311340026i30clcb8fx-maxok61.42461340026j29clcb8fx-maxok98.32751340027i31clcb8fx-minok-110.9561340027j30clcb8fx-maxok63.94261340028i32clcb8fx-minok-325.4151340028j31clcb8fx-minok-117.2641340029i33clcb8fx-maxok-374.611340029j32clcb8fx-minok-337.391340030i35clcb8fx-minok307.69861340030j33clcb8fx-maxok-350.2731340061i68clcb8fx-minok-45.26811340061j69clcb8fx-maxok-290.6681340062i69clcb8fx-maxok-238.9731340062j70clcb8fx-minok-305.0771340063i70clcb8fx-minok-306.6971340063j71clcb8fx-minok-116.5441340064i71clcb8fx-minok-118.5731340064j72clcb8fx-maxok124.63071340065i72clcb8fx-maxok108.29521340065j73clcb8fx-maxok145.71561340066i73clcb8fx-maxok137.37571340066j74clcb8fx-minok456.72551340067i74clcb8fx-minok461.03031340067j75clcb8fx-minok2216.0781340068i75clcb8fx-minok2229.0171340068j76clcb8fx-minok1785.0561340069i76clcb8fx-minok1782.4981340069j77clcb8fx-maxok4064.7371340070i77clcb8fx-maxok3978.3671340070j79clcb8fx-minok3457.0021340071i79clcb8fx-maxok2874.1711340071j80clcb8fx-maxok3802.7811340072i80clcb8fx-maxok3933.7091340072j81clcb8fx-maxok1002.1651340073i81clcb8fx-maxok1199.7291340073j82clcb8fx-minok1591.8121340074i82clcb8fx-minok1578.4281340074j83clcb8fx-minok389.92191340075i83clcb8fx-minok384.38491340075j84clcb8fx-minok-391.0891340076i84clcb8fx-minok-392.9651340076j85clcb8fx-minok400.55261340077i85clcb8fx-minok402.06891340077j86clcb8fx-minok1592.3071340078i86clcb8fx-minok1590.9611340078j87clcb8fx-maxok1203.2571340079i87clcb8fx-maxok1006.2821340079j88clcb8fx-maxok3925.9851340080i88clcb8fx-maxok3795.3451340080j90clcb8fx-maxok2840.3311340081i90clcb8fx-minok3437.1111340081j91clcb8fx-maxok3961.4191340082i91clcb8fx-maxok4048.5321340082j92clcb8fx-minok1769.9341340083i92clcb8fx-minok1777.8671340083j93clcb8fx-minok2208.4611340084i93clcb8fx-minok2209.8941340084j94clcb8fx-minok449.53931340085i94clcb8fx-minok448.31411340085j95clcb8fx-maxok147.89871340086i95clcb8fx-maxok157.64521340086j96clcb8fx-maxok114.30871340087i96clcb8fx-maxok134.06711340087j97clcb8fx-minok-107.151340088i97clcb8fx-minok-93.52541340088j98clcb8fx-minok-294.021340089i98clcb8fx-minok-269.851340089j99clcb8fx-maxok-202.0091340090i99clcb8fx-maxok-295.6181340090j101clcb8fx-minok-51.965313400121i134clcb8fx-minok-90.615713400121j135clcb8fx-maxok-273.76213400122i135clcb8fx-maxok-223.81613400122j136clcb8fx-minok-294.27813400123i136clcb8fx-minok-291.92913400123j137clcb8fx-minok-108.57913400124i137clcb8fx-minok-107.44113400124j138clcb8fx-maxok137.096113400125i138clcb8fx-maxok121.670313400125j139clcb8fx-maxok159.597213400126i139clcb8fx-maxok148.637213400126j140clcb8fx-minok460.061613400127i140clcb8fx-minok460.688413400127j141clcb8fx-minok2232.76513400128i141clcb8fx-minok2261.97313400128j142clcb8fx-minok1800.85713400129i142clcb8fx-minok1817.51413400129j143clcb8fx-maxok4108.03213400130i143clcb8fx-maxok4026.38213400130j145clcb8fx-minok3438.79913400131i145clcb8fx-maxok2911.8613400131j146clcb8fx-maxok3844.87713400132i146clcb8fx-maxok3969.55813400132j147clcb8fx-maxok1037.42913400133i147clcb8fx-maxok1227.56813400133j148clcb8fx-minok1616.36613400134i148clcb8fx-minok1585.5613400134j149clcb8fx-minok377.097213400135i149clcb8fx-minok372.732913400135j150clcb8fx-minok-415.55513400136i150clcb8fx-minok-414.50113400136j151clcb8fx-minok390.543813400137i151clcb8fx-minok397.12413400137j152clcb8fx-minok1605.37813400138i152clcb8fx-minok1616.99513400138j153clcb8fx-maxok1236.11313400139i153clcb8fx-maxok1045.16813400139j154clcb8fx-maxok3965.96113400140i154clcb8fx-maxok3842.68413400140j156clcb8fx-maxok2882.90113400141i156clcb8fx-minok3424.69313400141j157clcb8fx-maxok4011.76513400142i157clcb8fx-maxok4093.35813400142j158clcb8fx-minok1805.42413400143i158clcb8fx-minok1793.0613400143j159clcb8fx-minok2242.1113400144i159clcb8fx-minok2233.40913400144j160clcb8fx-minok454.870613400145i160clcb8fx-minok453.74313400145j161clcb8fx-maxok162.343113400146i161clcb8fx-maxok173.0313400146j162clcb8fx-maxok129.234513400147i162clcb8fx-maxok145.641613400147j163clcb8fx-minok-95.239813400148i163clcb8fx-minok-97.624913400148j164clcb8fx-minok-284.213400149i164clcb8fx-minok-298165clcb8fx-maxok-210.1713400150i165clcb8fx-maxok-262.77113400150j167clcb8fx-minok-69.408113400181i200clcb8fx-minok-93.702613400181j201clcb8fx-maxok-279.73713400182i201clcb8fx-maxok-229.19813400182j202clcb8fx-minok-298.24413400183i202clcb8fx-minok-295.29413400183j203clcb8fx-minok-112.94313400184i203clcb8fx-minok-110.74913400184j204clcb8fx-maxok135.104113400185i204clcb8fx-maxok120.585513400185j205clcb8fx-maxok159.914413400186i205clcb8fx-maxok151.011913400186j206clcb8fx-minok458.258713400187i206clcb8fx-minok462.895213400187j207clcb8fx-minok2235.513400188i207clcb8fx-minok2265.9213400188j208clcb8fx-minok1805.95813400189i208clcb8fx-minok1823.57813400189j209clcb8fx-maxok4111.5913400190i209clcb8fx-maxok4030.2413400190j211clcb8fx-minok3445.8613400191i211clcb8fx-maxok2904.97813400191j212clcb8fx-maxok3838.96913400192i212clcb8fx-maxok3963.89313400192j213clcb8fx-maxok1034.27613400193i213clcb8fx-maxok1225.9613400193j214clcb8fx-minok1611.92113400194i214clcb8fx-minok1582.24413400194j215clcb8fx-minok370.810313400195i215clcb8fx-minok366.967513400195j216clcb8fx-minok-423.50413400196i216clcb8fx-minok-419.19613400196j217clcb8fx-minok385.494713400197i217clcb8fx-minok396.646413400197j218clcb8fx-minok1606.88613400198i218clcb8fx-minok1618.67213400198j219clcb8fx-maxok1237.913400199i219clcb8fx-maxok1047.36213400199j220clcb8fx-maxok3966.68613400200i220clcb8fx-maxok3843.5213400200j222clcb8fx-maxok2883.10113400201i222clcb8fx-minok3436.68913400201j223clcb8fx-maxok4018.25513400202i223clcb8fx-maxok4099.413400202j224clcb8fx-minok1814.97213400203i224clcb8fx-minok1801.42413400203j225clcb8fx-minok2248.3113400204i225clcb8fx-minok2238.03313400204j226clcb8fx-minok459.257113400205i226clcb8fx-minok451.055413400205j227clcb8fx-maxok165.834813400206i227clcb8fx-maxok174.01413400206j228clcb8fx-maxok126.996413400207i228clcb8fx-maxok142.429213400207j229clcb8fx-minok-100.86313400208i229clcb8fx-minok-105.70613400208j230clcb8fx-minok-290.43213400209i230clcb8fx-minok-305.42113400209j231clcb8fx-maxok-219.87113400210i231clcb8fx-maxok-273.06613400210j233clcb8fx-minok-73.90213400241i266clcb8fx-minok-56.558613400241j267clcb8fx-maxok-310.06713400242i267clcb8fx-maxok-256.42913400242j268clcb8fx-minok-317.32513400243i268clcb8fx-minok-317.73613400243j269clcb8fx-minok-131.21313400244i269clcb8fx-minok-131.68413400244j270clcb8fx-maxok114.888813400245i270clcb8fx-maxok100.462313400245j271clcb8fx-maxok142.529713400246i271clcb8fx-maxok136.959813400246j272clcb8fx-minok443.410113400247i272clcb8fx-minok463.167313400247j273clcb8fx-minok2217.43813400248i273clcb8fx-minok2243.41913400248j274clcb8fx-minok1802.313400249i274clcb8fx-minok1811.64913400249j275clcb8fx-maxok4083.39813400250i275clcb8fx-maxok4000.06313400250j277clcb8fx-minok3488.69713400251i277clcb8fx-maxok2864.63713400251j278clcb8fx-maxok3794278clcb8fx-maxok3923.45813400252j279clcb8fx-maxok998.475413400253i279clcb8fx-maxok1188.43213400253j280clcb8fx-minok1579.35713400254i280clcb8fx-minok1556.30913400254j281clcb8fx-minok362.857713400255i281clcb8fx-minok349.41113400255j282clcb8fx-minok-429.37713400256i282clcb8fx-minok-423.67813400256j283clcb8fx-minok364.824113400257i283clcb8fx-minok391.963813400257j284clcb8fx-minok1583.29313400258i284clcb8fx-minok1599285clcb8fx-maxok1212.10413400259i285clcb8fx-maxok1022.45113400259j286clcb8fx-maxok3942.02613400260i286clcb8fx-maxok3816.11813400260j288clcb8fx-maxok2862.43913400261i288clcb8fx-minok3492.02413400261j289clcb8fx-maxok3999.53913400262i289clcb8fx-maxok4081.24913400262j290clcb8fx-minok1817.71813400263i290clcb8fx-minok1804.10313400263j291clcb8fx-minok2231.4613400264i291clcb8fx-minok2213.87113400264j292clcb8fx-minok456.027513400265i292clcb8fx-minok425.331113400265j293clcb8fx-maxok148.038413400266i293clcb8fx-maxok150.561313400266j294clcb8fx-maxok104.119713400267i294clcb8fx-maxok118.046713400267j295clcb8fx-minok-129.62413400268i295clcb8fx-minok-119.98813400268j296clcb8fx-minok-313.90613400269i296clcb8fx-minok-293.08913400269j297clcb8fx-maxok-233.20313400270i297clcb8fx-maxok-328.66713400270j299clcb8fx-minok-67.57613400301i333clcb8fx-maxok-428.99913400301j332clcb8fx-minok187.982913400302i334clcb8fx-minok-339.2113400302j333clcb8fx-maxok-407335clcb8fx-minok-152.32113400303j334clcb8fx-minok-330.48513400304i336clcb8fx-maxok42.829113400304j335clcb8fx-minok-143.67613400305i337clcb8fx-maxok69.095613400305j336clcb8fx-maxok35.379413400306i338clcb8fx-minok452.701613400306j337clcb8fx-maxok62.149313400307i339clcb8fx-minok2156.56313400307j338clcb8fx-minok452.814813400308i340clcb8fx-minok1776.57313400308j339clcb8fx-minok2226.40513400309i341clcb8fx-maxok3877.46813400309j340clcb8fx-minok1838.0641340