2013年6月下 施工技术 第42卷第12期 CONSTRUCTION TECHNOLOGY 13 D0I:10.7672/sgjs2013120013 跨既有营业线钢盖梁门式墩施工安全技术 梁启杰，吴泥，程志华 (武警水电第二总队，江西南昌330096) [摘要]以沪昆客运专线赵家里特大桥8号门式桥墩跨既有沪昆铁路上行线施工为实例，结合相关安全技术规范 和现场施工安全技术措施等，从前期现场调查开始，到完成桩基、承台、墩身及钢盖梁吊装施工整个过程，全面分析 跨既有电气化铁路线钢盖梁门式墩施工安全技术，通过做好事前分析、过程控制、严格落实施工安全技术措施，确 保了施工过程安全受控. [关键词]铁路；钢盖梁；桥墩；安全技术 [中图分类号]U443.2 [文献标识码]A[文章编号]1002-8498(2013)12-0013-04 Construction Safety Technology of Steel Cap Beam Portal Pier Crossing the Running Railway Liang Qijie Wu Ni Cheng Zhihua (No.2 Hydropower Force of Armed Police Nanchang Jiangxi 330096 China) Abstract:Taking the construction of no.8 portal pier in Zhaojiali bridge in Shanghai-Kunming passenger dedicated line as an example bining with the safety technical specification and construction site safety technical measures the authors show the whole construction process from the initial site survey to the pile foundation pile cap steel pier and beam hoisting construction analyze in detail construction safety technology of portal pier of steel cap beam crossing the running railway.By the initial site analysis process control and taking construction safety technologies the safety in construction process is controlled sucessfully. Key words:railways;steel cap beam;bridge piers;security technology 1工程概况 8号墩 新建杭州至长沙铁路客运专线赵家里特大桥 杭州三概有线在3 钢盖梁 9号墩 位于江西宜春市，门式墩上跨既有沪昆铁路上行 杭州 2 长沙 线，交叉里程为DK737539.175(既有铁路里程为 7号墩 K948420) 跨线墩位编号为8号桥墩，客运专线 有线盗长沙 与既有沪昆上行线交角为154.57°（见图1）.8号 图1门式墩总平面布置 桥墩采用钢盖梁门式墩形式，该结构采用钢梁立柱 Fig.1 The overall layout f...
跨既有营业线钢盖梁门式墩施工安全技术.pdf
