吊装施工方案(含计算).pdf

目 录1、编制依据.2 2、工程概况.2 3、施工部署.2 4、施工准备.3 5、机具选择.3 6、施工方法.9 7、质量保证措施.13 8、安全保证措施.14 9、项目组织管理体系.16 10、吊装过程中突发事件紧急预案.17 空心板梁吊装专项施工方案1、编制依据2、工程概况本工程共为部分钢柱有格构式，柱高达约19m,重约 5.6T，屋面为工厂预制 H 型钢，有行车梁，柱间距大部份为8m.3、施工部署3.1、为确保吊装工作顺利进行，应在安全、质量、进度等各方面都能达到理想状态，为此作如下部署：3.1.1.编制吊装方案，并报相关单位审定批准。3.1.2.对审定后的吊装方案，在方案实施的施工准备和吊装过程中，必须严格执行。3.1.3.吊装前必须完成施工区域的场地清障工作。3.1.4.吊装前准备好各类吊索具，并确认符合方案规定的要求。3.2、人员配备本单项工程现场施工总负责人全面负责协调、监督和指导各部门班组落实吊装方案的各项技术要求。相关部门班组配备必要的安全管理、作业人员等，总计管理人员4 名，熟练工人 10 名。人员配备情况一览表序号主要工种计划数量备注1 管理人员4 2 吊装指挥1 3 吊车司机1 4 测量2 文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O105 工人10 3.4、机械设备准备机械设备准备情况一览表序号设备名称型号单位数量备注1 吊车25t 辆1 2 吊车20t 辆1-2 台3 吊车16t 辆1-2 台4、施工准备4.1.存放材料的场地应该平整，压实，排水通畅，临时道路应平整，并满足载重约40 吨的货车或者吊车通行，保证不陷车。4.2.卸货后，马上报验，待材料验收合格后进入下一步工序4.3.吊装前，复测基础标高，轴线复测，并做出记录，对于轴线偏差过大的，要进行处理，具体处理方法：用钢管套住地脚螺栓，向正确的方向扳，但不能用力过大。4.4.做好吊机的进场检验工作，确保起重机械各项性能良好。4.5 清除吊机转臂空间范围内障碍物，并用警示彩带设定警戒区域，非吊装施工人员严禁靠近。4.6 吊装前将起重机械试运转一次，观察各部分及操作系统有无异常，并检查所有起重机具钢丝绳、卡环、吊钩等是否安全，符合要求后才使用。5、机具选择5.1、作业吊车5.1.1、考虑工程量，而且安装地点较为分散，故拟选用汽车吊吊装施工。文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O105.1.2、作业吊车的选择5.1.2.1 以20m 柱为验算对象（1）本工程 20m 柱采用单机吊装。（Q主+Q副）KQ1+Q2取最重板自重 5.即Q1=36吨，考虑索具重量 Q22.0 吨，K为起重机降低系数，取 0.8。即：Q主+Q副47.5 吨。（2）起重高度计算HH1+H2+H3+H4式中 H起重机的起重高度(m)，停机面至吊钩的距离；H1安装支座表面高度(m)，停机面至安装支座表面的距离；H2安装间隙，视具体情况而定，一般取0.20.3m；H3绑扎点至构件起吊后底面的距离(m)；H4索具高度(m)，绑扎点至吊钩的距离，视具体情况而定。取H12米，H20.2米，H30.95米，H4取3米。选用起重机的起重高度H6.15米，起重高度取 7m。（3）起重臂长度计算：l(H+h0-h)/sin式中 l起重臂长度（m）；H起重高度（m）；h0起重臂顶至吊钩底面的距离（m）；h起重臂底铰至停机面距离（m），本工程取 1m；起重臂仰角，一般取70 77，本工程取 70。l(7-1)/sin(70)=6.4 米。文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10（4）吊车工作半径取6m，综合考虑（1）、（2）、（3）及起重机的工作幅度，参考吊车性能参数表，选用两台重型汽车起重机QY50K汽车吊满足施工要求。50T吊车性能参数表工作半径(m)主臂长度(m)10.70 18.00 25.40 32.75 40.10 3.0 50.00 3.5 43.00 4.0 38.00 4.5 34.00 5.0 30.00 24.70 5.5 28.00 23.50 6.0 24.00 22.20 16.30 6.5 21.00 20.00 15.00 7.0 18.50 18.00 14.10 10.20 8.0 14.50 14.00 12.40 9.20 7.50 9.0 11.50 11.20 11.10 8.30 6.50 10.0 9.20 10.00 7.50 6.00 12.0 6.40 7.50 6.80 5.20 14.0 5.10 5.70 4.60 16.0 4.00 4.70 3.90 18.0 3.10 3.70 3.30 20.0 2.20 2.90 2.90 22.0 1.60 2.30 2.40 24.0 1.80 2.00 26.0 1.40 1.50 28.0 1.20 30.0 0.90 5.2、索具、卡环等工具的选择（1）、板梁重量计算计算以 20m 后张空心板梁边板为验算对象。20米边板的所用混凝土数量为：C50 砼 13.72m3，按砼单位重量2.5t/m3计算，G 砼=13.72*2.5*10=343kN。20米边板的所用钢筋、钢绞线数量：一级钢筋：415kg，二级钢文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10筋：1363kg，钢绞线：459kg。G钢=（415+1363+459）*10/1000=22.3KN G=G 砼+G 钢=343+22.3=365.3KN（2）钢丝绳拉力计算N=K1*G/n*1/Sin P/K2式中：N每根钢丝绳索具的受拉力；G梁板质量一半；n吊索根数；吊索钢丝绳与板梁水平夹角；P吊索钢丝绳的破断拉力；K1吊装时动载系数，取1.2；K2吊索钢丝绳的安全系数，取6。梁板质量 G=365.3KN，取 45N=K1*G/n*1/Sin=1.2*365.3/2/2*1/Sin45=155KN 拟选用 6*37 丝，钢丝绳 43mm，公称抗拉强度1700N/mm2，破断拉力总和 1185KN。SP=Si 式中 SP钢丝绳的破断拉力，KN；Si钢丝丝绳规格表中提供的钢丝破断拉力的总和，KN；钢丝捻制不均折减系数，对6 37 绳，=0.82。SP=0.82*1185=971.7KN N=155KN155KN 满足要求。因此，采用汽车吊时选用17.5型卡环。5.3 抗倾覆验算为保证汽车吊在吊装过程中的稳定，需进行抗倾覆验算，即需使稳定力矩大于倾覆力矩。以20m梁为验算对象，查起重机设计规范可知：MKGMG+KQMQ+KWMW0 式中 KG自重加权系数，取1 KQ起升荷载加权系数，取1.15 KW风动载加权系数，取1 MG、MQ、MW为汽车吊自重、起升荷载、风动荷载对倾覆边的力矩，N m；文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10GQW汽车吊工作时受力简图图中：G汽车吊自重，取40.4t；Q起升物重量，考虑双机抬吊，取18t；W风动载，按起升物重量的20%考虑；a 汽车吊重心至支脚倾覆支点的距离，支腿全伸 6.6m，故 a 取 3.3m；R 汽车吊工作半径，最大取6m；h 风动载合力点高度。MKGMG+KQMQ+KWMW=1Ga-1.15Q（R-a）-1Wh=404000 3.3-1.15 18000 (6-3.3)-0.2 18000（2+0.2+0.95/2）=1267680 N m0 故稳定性满足要求。5.4.地基承载力验算汽车吊工作时最不利的情况是3 点着地，也就是 3 个支腿支持着文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编码:CR7O1V9L4S2 HT3V2N4P10A3 ZE7T7H3U5O10文档编