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1、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
2、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
3、.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)M
4、Z(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
5、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
6、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 298cLC
7、B27334.39 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-118.653134003J4
8、cLCB8FX-MINOK-310.932134004I6cLCB8FX-MAXOK59.7439134004J5cLCB8FX-MINOK-121.34134005I7cLCB8FX-MAXOK88.464134005J6cLCB8FX-MAXOK54.5683134006I8cLCB8FX-MINOK496.7769134006J7cLCB8FX-MAXOK83.6155134007I9cLCB8FX-MINOK2210.024134007J8cLCB8FX-MINOK499.0188134008I10cLCB8FX-MINOK1745.06134008J9cLCB8FX-MINOK218
9、5.943134009I11cLCB8FX-MAXOK3811.784134009J10cLCB8FX-MINOK1744.7591340010I13cLCB8FX-MINOK3619.9571340010J11cLCB8FX-MAXOK3780.8151340011I14cLCB8FX-MAXOK3626.6251340011J13cLCB8FX-MAXOK2858.4521340012I15cLCB8FX-MAXOK953.38461340012J14cLCB8FX-MAXOK3674.7781340013I16cLCB8FX-MINOK1563.8051340013J15cLCB8FX-
10、MAXOK1031.771340014I17cLCB8FX-MINOK446.25441340014J16cLCB8FX-MINOK1581.4011340015I18cLCB8FX-MINOK-330.8581340015J17cLCB8FX-MINOK438.77741340016I19cLCB8FX-MINOK454.04111340016J18cLCB8FX-MINOK-333.2421340017I20cLCB8FX-MINOK1592.4441340017J19cLCB8FX-MINOK454.87531340018I21cLCB8FX-MAXOK1032.5031340018J2
11、0cLCB8FX-MINOK1562.4531340019I22cLCB8FX-MAXOK3655.6241340019J21cLCB8FX-MAXOK944.32821340020I24cLCB8FX-MAXOK2808.8891340020J22cLCB8FX-MAXOK3601.8921340021I25cLCB8FX-MAXOK3749.8511340021J24cLCB8FX-MINOK3586.2651340022I26cLCB8FX-MINOK1725.2761340022J25cLCB8FX-MAXOK3786.5181340023I27cLCB8FX-MINOK2168.76
12、81340023J26cLCB8FX-MINOK1747.1651340024I28cLCB8FX-MINOK486.56321340024J27cLCB8FX-MINOK2203.2681340025I29cLCB8FX-MAXOK95.14021340025J28cLCB8FX-MINOK488.69311340026I30cLCB8FX-MAXOK61.42461340026J29cLCB8FX-MAXOK98.32751340027I31cLCB8FX-MINOK-110.9561340027J30cLCB8FX-MAXOK63.94261340028I32cLCB8FX-MINOK-
13、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-305.0771340063I70cLCB8F
14、X-MINOK-306.6971340063J71cLCB8FX-MINOK-116.5441340064I71cLCB8FX-MINOK-118.5731340064J72cLCB8FX-MAXOK124.63071340065I72cLCB8FX-MAXOK108.29521340065J73cLCB8FX-MAXOK145.71561340066I73cLCB8FX-MAXOK137.37571340066J74cLCB8FX-MINOK456.72551340067I74cLCB8FX-MINOK461.03031340067J75cLCB8FX-MINOK2216.078134006
15、8I75cLCB8FX-MINOK2229.0171340068J76cLCB8FX-MINOK1785.0561340069I76cLCB8FX-MINOK1782.4981340069J77cLCB8FX-MAXOK4064.7371340070I77cLCB8FX-MAXOK3978.3671340070J79cLCB8FX-MINOK3457.0021340071I79cLCB8FX-MAXOK2874.1711340071J80cLCB8FX-MAXOK3802.7811340072I80cLCB8FX-MAXOK3933.7091340072J81cLCB8FX-MAXOK1002
16、.1651340073I81cLCB8FX-MAXOK1199.7291340073J82cLCB8FX-MINOK1591.8121340074I82cLCB8FX-MINOK1578.4281340074J83cLCB8FX-MINOK389.92191340075I83cLCB8FX-MINOK384.38491340075J84cLCB8FX-MINOK-391.0891340076I84cLCB8FX-MINOK-392.9651340076J85cLCB8FX-MINOK400.55261340077I85cLCB8FX-MINOK402.06891340077J86cLCB8FX
17、-MINOK1592.3071340078I86cLCB8FX-MINOK1590.9611340078J87cLCB8FX-MAXOK1203.2571340079I87cLCB8FX-MAXOK1006.2821340079J88cLCB8FX-MAXOK3925.9851340080I88cLCB8FX-MAXOK3795.3451340080J90cLCB8FX-MAXOK2840.3311340081I90cLCB8FX-MINOK3437.1111340081J91cLCB8FX-MAXOK3961.4191340082I91cLCB8FX-MAXOK4048.5321340082
18、J92cLCB8FX-MINOK1769.9341340083I92cLCB8FX-MINOK1777.8671340083J93cLCB8FX-MINOK2208.4611340084I93cLCB8FX-MINOK2209.8941340084J94cLCB8FX-MINOK449.53931340085I94cLCB8FX-MINOK448.31411340085J95cLCB8FX-MAXOK147.89871340086I95cLCB8FX-MAXOK157.64521340086J96cLCB8FX-MAXOK114.30871340087I96cLCB8FX-MAXOK134.0
19、6711340087J97cLCB8FX-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-273.76213400122I135cLCB
20、8FX-MAXOK-223.81613400122J136cLCB8FX-MINOK-294.27813400123I136cLCB8FX-MINOK-291.92913400123J137cLCB8FX-MINOK-108.57913400124I137cLCB8FX-MINOK-107.44113400124J138cLCB8FX-MAXOK137.096113400125I138cLCB8FX-MAXOK121.670313400125J139cLCB8FX-MAXOK159.597213400126I139cLCB8FX-MAXOK148.637213400126J140cLCB8FX
21、-MINOK460.061613400127I140cLCB8FX-MINOK460.688413400127J141cLCB8FX-MINOK2232.76513400128I141cLCB8FX-MINOK2261.97313400128J142cLCB8FX-MINOK1800.85713400129I142cLCB8FX-MINOK1817.51413400129J143cLCB8FX-MAXOK4108.03213400130I143cLCB8FX-MAXOK4026.38213400130J145cLCB8FX-MINOK3438.79913400131I145cLCB8FX-MA
22、XOK2911.8613400131J146cLCB8FX-MAXOK3844.87713400132I146cLCB8FX-MAXOK3969.55813400132J147cLCB8FX-MAXOK1037.42913400133I147cLCB8FX-MAXOK1227.56813400133J148cLCB8FX-MINOK1616.36613400134I148cLCB8FX-MINOK1585.5613400134J149cLCB8FX-MINOK377.097213400135I149cLCB8FX-MINOK372.732913400135J150cLCB8FX-MINOK-4
23、15.55513400136I150cLCB8FX-MINOK-414.50113400136J151cLCB8FX-MINOK390.543813400137I151cLCB8FX-MINOK397.12413400137J152cLCB8FX-MINOK1605.37813400138I152cLCB8FX-MINOK1616.99513400138J153cLCB8FX-MAXOK1236.11313400139I153cLCB8FX-MAXOK1045.16813400139J154cLCB8FX-MAXOK3965.96113400140I154cLCB8FX-MAXOK3842.6
24、8413400140J156cLCB8FX-MAXOK2882.90113400141I156cLCB8FX-MINOK3424.69313400141J157cLCB8FX-MAXOK4011.76513400142I157cLCB8FX-MAXOK4093.35813400142J158cLCB8FX-MINOK1805.42413400143I158cLCB8FX-MINOK1793.0613400143J159cLCB8FX-MINOK2242.1113400144I159cLCB8FX-MINOK2233.40913400144J160cLCB8FX-MINOK454.8706134
25、00145I160cLCB8FX-MINOK453.74313400145J161cLCB8FX-MAXOK162.343113400146I161cLCB8FX-MAXOK173.0313400146J162cLCB8FX-MAXOK129.234513400147I162cLCB8FX-MAXOK145.641613400147J163cLCB8FX-MINOK-95.239813400148I163cLCB8FX-MINOK-97.624913400148J164cLCB8FX-MINOK-284.213400149I164cLCB8FX-MINOK-298.14213400149J16
26、5cLCB8FX-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-112.94313400184I203cLC
27、B8FX-MINOK-110.74913400184J204cLCB8FX-MAXOK135.104113400185I204cLCB8FX-MAXOK120.585513400185J205cLCB8FX-MAXOK159.914413400186I205cLCB8FX-MAXOK151.011913400186J206cLCB8FX-MINOK458.258713400187I206cLCB8FX-MINOK462.895213400187J207cLCB8FX-MINOK2235.513400188I207cLCB8FX-MINOK2265.9213400188J208cLCB8FX-M
28、INOK1805.95813400189I208cLCB8FX-MINOK1823.57813400189J209cLCB8FX-MAXOK4111.5913400190I209cLCB8FX-MAXOK4030.2413400190J211cLCB8FX-MINOK3445.8613400191I211cLCB8FX-MAXOK2904.97813400191J212cLCB8FX-MAXOK3838.96913400192I212cLCB8FX-MAXOK3963.89313400192J213cLCB8FX-MAXOK1034.27613400193I213cLCB8FX-MAXOK12
29、25.9613400193J214cLCB8FX-MINOK1611.92113400194I214cLCB8FX-MINOK1582.24413400194J215cLCB8FX-MINOK370.810313400195I215cLCB8FX-MINOK366.967513400195J216cLCB8FX-MINOK-423.50413400196I216cLCB8FX-MINOK-419.19613400196J217cLCB8FX-MINOK385.494713400197I217cLCB8FX-MINOK396.646413400197J218cLCB8FX-MINOK1606.8
30、8613400198I218cLCB8FX-MINOK1618.67213400198J219cLCB8FX-MAXOK1237.913400199I219cLCB8FX-MAXOK1047.36213400199J220cLCB8FX-MAXOK3966.68613400200I220cLCB8FX-MAXOK3843.5213400200J222cLCB8FX-MAXOK2883.10113400201I222cLCB8FX-MINOK3436.68913400201J223cLCB8FX-MAXOK4018.25513400202I223cLCB8FX-MAXOK4099.4134002
31、02J224cLCB8FX-MINOK1814.97213400203I224cLCB8FX-MINOK1801.42413400203J225cLCB8FX-MINOK2248.3113400204I225cLCB8FX-MINOK2238.03313400204J226cLCB8FX-MINOK459.257113400205I226cLCB8FX-MINOK451.055413400205J227cLCB8FX-MAXOK165.834813400206I227cLCB8FX-MAXOK174.01413400206J228cLCB8FX-MAXOK126.996413400207I22
32、8cLCB8FX-MAXOK142.429213400207J229cLCB8FX-MINOK-100.86313400208I229cLCB8FX-MINOK-105.70613400208J230cLCB8FX-MINOK-290.43213400209I230cLCB8FX-MINOK-305.42113400209J231cLCB8FX-MAXOK-219.87113400210I231cLCB8FX-MAXOK-273.06613400210J233cLCB8FX-MINOK-73.90213400241I266cLCB8FX-MINOK-56.558613400241J267cLC
33、B8FX-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-MAXOK4083.39813400
