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1、地铁一号线南湖路站实习报告————土木0907班庞亚军1208090722南湖路站1号线一期工程第六标段,位于南湖路与芙蓉中路的交界处,沿芙蓉中路南北呈一字型布置。南湖路站的基坑开挖方法采用的是明挖法。其优点为明挖法具有施工简单、快捷、经济、安全的优点,城市地下隧道式工程发展初期都把它作为首选的开挖技术。基坑开挖采用钢支撑施工。(1)钢支撑设计布置车站的基坑围护结构设置有内支撑,第一道支撑采用钢筋砼支撑,其余为钢支撑。(2)钢支撑架设工艺流程钢支撑架设工艺流程图otherstaffoftheCentre.Duringt
2、hewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationof
3、StateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand基坑开挖钢支撑组拼施工监测吊装钢支撑施加预加力楔块锁定钢支撑架设工艺流程图(3)钢支撑牛腿预埋件埋设钢支撑牛腿预埋件在加工钢筋笼时焊制在钢筋笼相应标高主筋上,钢筋笼入孔时用3m长φ250钢管做横梁、2φ12钢筋做吊绳悬吊钢
4、筋笼,严格控制钢筋笼标高、预埋件朝向。(4)钢支撑、围檩、牛腿加工otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevict
5、oryofthelongMarch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypartyCommitteeSecretary,Ministersand钢支撑根据本车站开挖基坑尺寸在加工厂加工钢支撑、支撑用固定端活动端配件、围檩、牛腿。钢支撑在加工厂
6、试拼装成完整单根钢支撑、围檩、牛腿验收合格后运至现场。保证钢支撑、围檩、牛腿质量符合设计要求。(5)钢支撑架设方法1)基坑开挖至支撑架设标高下0.5m的高度后,放出支撑位置。凿出围护桩上预埋件,焊接钢牛腿,在牛腿上焊制工字钢围檩。在钢工字围檩上焊制横撑固定配件。2)横撑先安装中间再安装两边,斜撑对角安装。用汽车吊将钢支撑吊放在围檩钢支撑固定配件上,锁定固定端。用两台100吨油压千斤顶在活动端按设计支撑轴力的1.05倍给钢支撑施加预加力,并采用特制定型钢楔锁定钢支撑。通过本次南湖路站的现场的观看,对明挖法和钢支撑有了一定
7、的认识。为以后工作打下了一定的基础。otherstaffoftheCentre.Duringthewar,ZhuwastransferredbacktoJiangxi,andDirectorofthenewOfficeinJingdezhen,JiangxiCommitteeSecretary.Startingin1939servedasrecorderoftheWestNorthOrganization,SecretaryoftheSpecialCommitteeAfterthevictoryofthelongMar
8、ch,hehasbeentheNorthwestOfficeoftheFederationofStateenterprisesMinister,ShenmufuguSARmissions,DirectorofNingxiaCountypartyCommitteeSecretaryandrecorderoftheCountypart