从施工工艺看“先简支后连续结构体系”的历史沿革  

From Construction Technology Looking at Historical Evolution of "First Simply-Supported and After Continuous Configuration System"

作　　者：华鹏年[1] 

机构地区：[1]河北省交通勘察设计研究院,石家庄050000

出　　处：《辽宁交通科技》2005年第10期57-59,共3页Liaoning Communication Science and Technology

摘　　要：通过对各种桥梁施工方法———支架浇注法、悬臂施工法、渐进施工法、逐孔架设法、移动模架法、顶推施工法的介绍,简单回顾了混凝土连续梁桥的发展历史,对先简支后连续结构体系的出现、发展及其优缺点给与了较详细的阐述。By means of introduction of various construction methods - support casting, cantilever cast, asymptotic construction, span by span erection, mould frame shifting, erection by pushpull jacking etc - the paper reviews in brief the evolution of concrete continuos beam bridge, and expounds in detail the appearance, development and its merits -demerits of “First Simply - Supported and After Continuous Configuration System”.

关 键 词：桥梁施工 先简支后连续体系 先简支后连续 结构体系 发展历史 施工工艺 悬臂施工法 混凝土连续梁桥 移动模架法 施工方法 浇注法 

分 类 号：U448.212[建筑科学—桥梁与隧道工程] TU973[交通运输工程—道路与铁道工程]