上承式多跨临时桥设计研究  

作　　者：杜力松 黄亚新 张釜恺 

机构地区：[1]陆军工程大学野战工程学院,江苏南京210007

出　　处：《科技创新与应用》2021年第24期7-13,共7页Technology Innovation and Application

摘　　要：研究利用321型装配式公路钢桥制式器材完成快速架设——上承式临时桥梁,保障交通线的畅通。文章主要研究了上承式装配式公路钢桥架设时需要解决的若干关键技术,完成了工程设计研究。提出了桥梁结构总体设计方案;建立了迈达斯有限元分析模型,对其中的各项控制参数进行了数值模拟,并且与理论计算结果进行了比对分析,验证了该设计方案可行性;绘制了桥梁总体设计图纸;制定了紧急情况下的施工方案部署。This research uses 321 type prefabricated highway steel bridge standard equipment to complete the rapid erection of a deck temporary bridge to ensure the smooth flow of traffic.Several key technologies that need to be solved during the erection of deck-mounted prefabricated highway steel bridges are mainly studied,and the engineering design research is completed.The overall design plan of the bridge structure was proposed;the Midas finite element analysis model was established,and the control parameters were numerically simulated,and compared with the theoretical calculation results,the feasibility of the design plan was verified;the overall design drawings of the bridge were developed;and the construction plan deployment in emergency situations was formulated.

关 键 词：快速架设 上承式 多跨临时桥 有限元 施工组织 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]