边跨现浇段支架预压技术交底.doc

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responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;技术交底第1页共1页编号：工程名称跨潍莱高速公路特大桥签收人现场负责人：领工员：作业班：采用图号海青桥通2113日期交底内容连续梁支架预压支架预压的目的：消除支架的非弹性变形和测其弹性变形，预压重量为支架所承受梁体重量的120%(既为109.98*1.2=132t),满载后24小时内观测无沉降即可卸载。加载重量计算：底板：22.07*2600*1.2=68.858t腹板：6.79*2600*2*2*1.2=42.37t翼板：3.324*2*2600*2*1.2=20.742t预压顺序及测点布置：预压采用分级加载和分级卸载的方式加载顺序为：0→60%→100%→120%，卸载顺序为：120%→100%→60%→0。底模安装完成后，在梁体靠近墩身一侧及远离墩身端布设共2个测量控制断面。每个断面布置5个测量控制点。测点布置为翼板下4处，腹板下部4处，底板下部2处。靠近墩身侧的断面距离墩柱50cm，另一断面为梁体外挑侧端部。测点采用钢丝引至地面附近，钢丝顶部绑扎固定在横向方木上，钢丝需贴近方木绑扎牢固，钢丝底部采用配重物品确保钢丝平直。为便于一次性观测，在钢丝的同一水平面位置绑扎标尺，标尺采用胶带粘贴牢固，避免位置发生变动。整个钢丝除顶部外其余部位均呈自由状态，避免接触周围钢管等物体。观测后视点采用墩柱上引入的高程点，每次观测均使用同一台仪器、同一把塔尺，同时立尺人员和看镜人员固定。沉降观测布置点如附图所示。点位布设后测出相应各点的初始标高（H1），然后用钢筋对称均匀地进行加载，加载分三级加载，每级加载完成静停1h后进行支架变形观测，以后间隔6h监测记录各测点的位移量，当相邻两次监测位移平均值之差不大于2mm时方可进行下一步加载。全部预压荷载施加完成后，每6h测量监测一次各测点的变形值并连续进行观测24小时，当连续12h监测位移平均值之差不大于2mm即可卸载（满载后标高H2）。支架卸载分为三级卸载，并在卸载的过程中进行沉降量的观测，分级卸载观测点应与加载时观测点相同。卸载后观测无异常情况后继续卸载。支架全部荷载卸载6h后测出相应各点的标高（H3）。由以上观测结果可计算出边跨现浇段支架系统的变形值为：非弹性变形：δ0=H1-H3弹性变形：δ1=H3-H2边跨现浇段梁段施工控制标高除考虑支架系统的变形外，还应考虑梁段设计预拱度值δ2。边跨底模调整后标高H=H0+δ1+δ2，其中：H0现浇段设计标高。调整模板前，必须检查支架顶部所有顶托，确保所有顶托密贴工字钢后方可按调整后的标高调整模板。加载过程中如发生异常情况即立即停止加载，经查明原因并采取措施保证支架安全后方可继续加载。不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志 responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;加载钢筋顺序：底层纵向均匀16捆，第二层横向均匀14捆，第三层纵向均匀8捆，第四层腹板位置均匀4捆（钢筋吨数暂按3.13t/捆考虑）其中加载21捆到60%，加载35捆到100%，加载42捆到120%。钢筋摆放图示见附图。安全保证：1、进入工地施工人员必须佩戴安全帽；2、不得穿拖鞋进入施工现场；3、高空作业人员要佩带安全带；4、临边位置搭设防护栏杆保证施工人员人身安全；5、吊车吊装过程中设专人进行指挥，吊车臂下严禁站人；6、吊装采用“U”形卡环进行卡扣，严禁采用钢筋钩子及其他形式吊挂；7、大风、雷雨天气严禁吊装作业；8、避免夜间进行吊装施工；9、用电按照安全用电措施进行；10、现场安全管理人员在施工过程中要全程监控，发现安全隐患时及时制止其行为，确保施工安全。交底人复核签收人：不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志 responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;附图：支架沉降观测点布置图不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志 responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;附图：横断面:不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志 responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;纵断面:不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志