桥梁改扩建工程原有承台的高效利用浅析  

Analysis of Efficient Utilization of the Original Bearing Platform in Bridge Reconstruction and Expansion Projects

作　　者：邢又家 胡雅敏 王磊 宋兰平 姜瑞双 郝世平 Xing Youjia;Hu Yamin;Wang Lei;Song Lanping;Jiang Ruishuang;Hao Shiping(Jinan Kingyue Highroad Engineering Co.Ltd.,Jinan,Shandong 250101;School of Civil Engineering,Hebei University of Engineering,Handan,Hebei 056038;Shandong Transportation Institute,Jinan,Shandong 250031)

机构地区：[1]济南金曰公路工程有限公司,山东济南250101 [2]河北工程大学土木工程学院,河北邯郸056038 [3]山东省交通科学研究院,山东济南250031

出　　处：《江西建材》2023年第4期182-184,共3页Jiangxi Building Materials

基　　金：山东省交通运输厅科技计划项目《公路工程高品质混凝土研发及施工质量控制技术研究》(项目编号:2020B30)。

摘　　要：文中从G104京岚线济南黄河公路大桥扩建项目的实际工程应用出发,为实现原有承台再利用,以UHPC作为原有承台与墩柱钢筋骨架的锚固剂,详细阐述了UHPC生产使用和原承台处理的具体施工步骤、操作要点以及注意事项,为桥梁改扩建工程完成后原有承台的高效利用提供了实例参考和技术指导。This article starts from the actual engineering application of the expansion project of the Jinan Yellow River Highway Bridge on the G104 Jinglan Line,in order to achieve the reuse of the originalcushion cap,UHPC is used as the anchoring agent for the original cushion cap and pier column reinforcement skeleton.The specific construction steps,operation points,and precautions for the production and use of UHPC and the treatment of the original cushion cap are elaborated in detail,This provides practical reference and technical guidance for the efficient utilization of original cushion cap in bridge renovation and expansion projects.

关 键 词：桥梁改扩建 原有承台再利用 UHPC养护 

分 类 号：U445.6[建筑科学—桥梁与隧道工程]