石济高铁下导梁支腿提升支架配合架桥机铺架施工技术  

On the Track-Laying and Bridge-Erecting Construction Techniques of Using the Lower Nose Girder and Landing Legs to Coordinate with Bridge Erectors for the Shi-Ji High-Speed Railway

作　　者：赵立虎 

机构地区：[1]中铁十八局集团第四工程有限公司,天津300350

出　　处：《国防交通工程与技术》2017年第6期75-77,共3页Traffic Engineering and Technology for National Defence

摘　　要：TLJ900型架桥机在邻近既有线或上跨既有线通过连续梁施工时,吊车配合施工对既有线安全存在较大安全风险。以石济高铁项目为例,介绍下导梁支腿提升支架配合架桥机铺架施工技术,在过连续梁不具备吊车站位和平板拖车配合施工的条件下能自主完成下导梁支腿的拆卸和挪运,提高了工作效率,保证了施工安全,对类似工程有借鉴意义。When the TLJ900-type Br idge Erector is used for the const ruct ion of cont inuous beam br idges neighbour ing or over-passing an existing railway,cranes coordinating with the construction may result in a serious risk to the security of the existing railway. With the project of the Shi-Ji High-Speed Railway as a practical example, introduced in the paper are the track -laying and the bridge-erecting construction techniques of using the lower nose girder, landing legs and the lifting brackets to coordi-nate with the bridge erector？which help solve the difficult problems of passing the continuous beam under the condition of hav-ing no position for the crane, and no platform truck to coordinate with the construction, and independently performing the re-moval and movement of the landing legs of the lower nose girder. The techniques introduced here help much improve the work efficiency and ensure the security of construction. The project may serve as an example for other projects of similar types.

关 键 词：既有线 TLJ900型架桥机 下导梁支腿提升支架 

分 类 号：U445.468[建筑科学—桥梁与隧道工程]