网架施工整体吊装方案验算

网架施工整体吊装方案验算网架在施工场地安装位置的正下方拼装完成后，由2台80吨吊机共同配合吊装。具体步骤见下列示意图：拼装好起吊位置：质"zXL-I放置到支座位置:©®4I出一®;放置到支座位置:©®4I出一®;Jr工作半径（m）2.53.0主臂起重性能表吊臂长度（支腿全伸）吊臂长度（不伸支腿）12.0m18.0m24.0m30.0m36.0m40.0m44.0m12.0m80.080.045.045.035.015.015.03.580.045.035.015.04.070.045.035.011.74.562.045.035.027.09.55.05.56.056.050.045.040.032.037.029.234.327.227.027.025.022.022.08.06.85.86.539.431.525.323.222.018.05.07.035.629.123.721.520.318.04.38.09.510.027.820.819.225.421.020.817.819.217.018.815.715.017.714.613.815.713.212.612.012.011.43.22.01.711.016.515.613.512.411.410.411.814.714.712.611.410.69.712.013.014.214.212.512.512.411.311.210.210.49.39.58.814.610.010.010.09.08.57.815.09.49.49.48.78.27.616.08.18.18.17.77.117.820.06.26.26.26.85.16.34.54.54.55.622.03.43.44.04.423.03.03.03.53.926.01.72.22.627.028.01.91.62.21.930.01.01.331.01.1

主要技术参数副臂起重性能主臂仰角支腿全伸在两侧或后部吊装名称参数44m主臂+9.5m副臂5°夹角44m主臂+15m副臂5°夹角工作半径（m）起重性能（1）工作半径（m）起重性能（1）全车总重63.00t81.3°10.06.0011.54.00主臂全伸时长度44.00m80.4°11.06.0012.64.00主臂全缩时长度12.00m80.1°11.35.9013.04.00最大仰角82°78.6°13.05.2014.63.75最大爬坡能力16%75.2°16.04.4018.23.05最小转弯半径15.40%70.8°20.03.6022.52.55最大提升高度58.50m66.0°24.03.0027.22.1080t主吊钩重1t63.8°26.02.7529.12.0580t辅助吊钩重0.5t58.0°30.31.5034.01.206t副吊钩重0.25t55.4°32.01.20常用复合钢丝吊装绳技术参数直径mm钢丝总断参考重量钢丝绳公称抗拉强度kgf/mm2钢丝绳钢丝面积mm2kg/100m140155170185200钢丝破断拉力总和（kgf>=)8.70.427.8826.213900432047305150557011.00.543.5740.966090675074008060871013.00.662.7458.988780972010650116001250015.00.785.3980.27119501320014500157501705017.50.8111.53104.8156001725018950206002230019.50.9141.16132.7197502185023950261002820021.51.0174.27163.8243502700029600322003485024.01.1210.87198.22950032650358003900042150钢丝绳6X37

［用途］各种起重、提升和牵引设备。绳6X37股（1+6+12+18）绳纤维芯直径（毫米）钢丝总断面钢丝绳公称抗拉强度（公斤/毫米2）积钢丝绳参考重量140155170185200钢丝绳纲丝（毫米2）（公斤/100米）钢丝破断拉力总和（公斤）＞=8.70.427.8826.213900432047305150557011.00.543.5740.966090675074008060871013.00.662.7458.988780972010650116001250015.00.785.3980.27119501320014500157501705017.50.8111.53104.8156001725018950206002230019.50.9141.16132.7197502185023950261002820021.51.0174.27163.8243502700029600322003485024.01.1210.87198.2295003265035800390004215026.01.2250.95235.9351003885042650464005015028.01.3294.52276.8412004565050050544505890030.01.4341.57321.1478005290058050631506830032.51.5392.11368.6548506075066650725007840034.51.6446.13419.4624506915075800825008920036.51.7503.64473.47050078050856009315010050039.01.8564.63530.879000875009595010400011250043.02.0697.08655.397550108000118500128500139000147.52.2843.47792.911800013050014300015600052.02.41003.80943.614050015550017050018550056.02.61178.071107.416450018250020000021750060.52.81366.281284.319100021150023200025250065.03.01568.431474.3219500243000266500290000⑴、吊装性能验算：吊装钢丝绳的选择：6-7轴线网架总重约为30吨，吊装采用2根钢绳、4点吊装（见吊装示意图）。每根钢丝绳受力按吊索夹角60度计算，选用6X37，直径为21.5mm，公称抗拉强度200kg/mm2的钢丝绳，每根钢丝绳长12m。计算如下:首先计算环链破断拉力Pp(N)Pp=382d"2=382*25A2=238750(N)(d为环的直径取25mm)钢丝绳破断拉力Pp(N)Pp=0.3CdA2=0.3*1400*21.5=194145(N)其中。为材料的抗拉强度，取1400MPAd为钢丝绳的公称直径，取21.5(mm)钢丝绳破断拉力Pp(kgf)Pp=45dA2=45*21.5A2=19.4145kgf吊索拉力S(t)S=QC/n=30*1.15/4=8.625T其中Q为起吊物重C为吊索顶角角度系数W60度角时系数为1.15S=QC/n=30*1.15/4=10.875TW90度角时系数为1.45n为吊索分支数n=4验算结果对比50T、70T、80T吊车性能表，在工作半径12-14时，吊臂臂长w24m；吊索顶角角度w60度角时，两台70T以上吊车方可安全稳定的完成吊装。⑵、吊装注意事项：A、进行试吊。试吊是全面落实和检验整个吊装方案完善性的重要保证。试吊的目的有三个：一是检验起重设备安全可靠性；二是检查吊点对网架刚度的影响；三是协调从指挥到起吊、揽风、溜绳和卷扬机操作的总演习B、整体起吊：利用2部80T汽车吊同时起吊网架，起吊时要有一统一指挥人员，保证起吊的同步性。C、网架横移就位：当网架提升越过柱顶安装标高0.5m时，应停止提升。然后靠调整溜绳配合，将网架横移到柱顶，再每次下降0.5m或每次下降100mm进行降差调整，直至将网架就位到柱顶设计位置。5、网架高空散装高空散装法是先在地面拼装好小单元，利用吊机配合安装50T轮胎吊TR-500EX额定起重性能表支腿全伸出360°回转单位：1000kg臂长半径m11.015.019.023.027.031.035.0角度起重量角度起重量角度起重量角度起重量角度起重量角度起重量角度起重量3.06750.07341.27737.23.56450.071141.27637.27821.54.06148.469141.27435.07721.54.55843.86741.27333.07621.57821.55.05439.865138.97131.57421.577121.05.55136.963136.26930.27321.576120.416.04733.961133.36828.87221.57519.96.54331.05830.86627.67021.07419.17615.37.03928.856128.6:6426.46920.57318.317514.88.03023.751124.66123.16619.07116.77313.87612.79.01316.24619.05718.76417.26815.17112.67411.710.040115.315315.16115.66613.8:7011.7:7210.811.033112.65012.65813.26412.66810.8I71:9.912.02510.54510.65511.26111.56510.0699.113.0418.8529.65810.0:639.3:678.4:14.0367.6488.3568.8618.6I657.815.0306.4457.253:7.7598.163:7.316.0225.5416.25016.7577.1616.817.0104.7375.44715.9:546.3606.4:100•o324•7445•2525•65005•719.0274.1414.6504.9565.120.020P3.6384.0:474.4r534.6:22.03013.1423.4493.624.0192.4352.7442.926.0282.1:392.3-4,28.0171.63311.930.0261.532.01161.132.98:1.0副臂工况性能表副臂工况性能表'副臂主35.0m主臂+9.8m副臂35.0m主臂+17.1m副臂5°30°5°30°臂角度\半径起重量半径起重量半径起重量半径起重量\7.85.6011.22.809.72.8015.91.1075°12.0P5.0015.02.5014.42.3020.31.00]70°15.84.0018.72.3018.91.9024.40.9065°19.43.2022.02.1523.21.6028.20.8560°22.9:2.6025.42.0027.21.4031.80.80155°26.12.1528.41.7531.01.2035.10.7550°29.11.6531.11.4534.61.0538.10.7045°31.8P1.1033.61.0537.80.8040.80.65”40°34.30.7035.70.65

TR—500EX规格上车（起重部分）下车（底盘部分）型号TR—500EX车辆总重43,200kg额定总起重量3.5m时50,000kg总长J、13.63m主臂长度11.0m至35.0m（4节主臂）总宽3.315m副臂长度9.8m至17.1(倾角：5°、30°)总高3.78m臂端单滑轮长度0.7m（偏斜角18°）轴距3.95m主臂伸出速度24.0m/153"轮距2.502m主臂变幅速度—1.5°至80°/68"地面间隙0.59（轴向）起升速度最高速度40km/h主起升机构140m份（于第4层）最小转变半径副起升机构120m份（于第2层）双轮11.9m回转速度2.4转/分四轮6.7m支腿横向跨距7.2m驱动系统4X4/2X2支腿支承尺寸直彳仝为0.5m爬坡能力29.525作业时路面取大载何44,100kg轮胎气压（行驶）22IikPa(3.5kg/m上车后端回转半径4.12m（轮胎起重）412kPa(4.2kg/m钢丝绳主起升机构①19mm<205m副起升机构——,―①19mm<116m

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