DF900D型架桥机下穿既有公路桥梁架梁施工技术  

DISCUSSION ON CONSTRUCTION TECHNOLOGY OF DF900D BRIDGE ERECTING MACHINE UNDER EXISTING HIGHWAY BRIDGE

作　　者：袁梦召 Yuan Meng-zhao

机构地区：[1]中铁二十二局集团第四工程有限公司,天津301700

出　　处：《建筑技术开发》2022年第12期146-148,共3页Building Technology Development

摘　　要：通过拆卸DF900D型架桥机的前端主梁,增加导梁地面驮行装置,以实现架桥机在下穿既有公路(高度和距离都不满足)的特殊工况下完成架梁作业的施工方法,总结此型号架梁设备在通过类似工况下的施工经验,针对施工过程中的关键项目控制点进行分析,制订有效的管控措施,为以后类似工况施工提供借鉴。This paper introduces the construction method of the bridge erecting machine under the special working condition that the height and distance of the bridge erecting machine under the existing highway are not satisfied by dismantling the front end main beam of the DF900D bridge erecting machine and adding the guiding beam ground dragging device, this paper summarizes the construction experience of this type of beam erection equipment under similar working conditions, analyzes the key project control points in the construction process, and formulates effective control measures, so as to provide reference for the construction of similar working conditions in the future.

关 键 词：DF900D型架桥机 拆卸 主梁 导梁驮行装置 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]