先简支后连续预应力混凝土梁桥的原理及施工工艺  

Principle and construction technology of prestressed concrete beam bridge of simply supported-continuous system

作　　者：刘文军 穆怀旗[2] 

机构地区：[1]内蒙古联手路桥有限责任公司,内蒙古临河015000 [2]内蒙古大学交通学院

出　　处：《内蒙古公路与运输》2010年第6期30-32,共3页Highways & Transportation in Inner Mongolia

摘　　要：针对省道103高速公路上的大桥均采用等跨径、等截面的连续箱梁形式,施工工艺采用先简支、后连续的方法,文章就其体系转换过程介绍了先简支、后连续的受力原理及其施工工艺。According to the phenomenon that the bridge on the provincial road 103 expressway all use continuous box girder with equal span and section,the construction technology use the simply supported-continuous method.Based on the system transformation process,the paper introduces the mechanical principle and construction technology of simply supported-continuous system.

关 键 词：桥梁工程 简支 连续 体系转换 

分 类 号：U448.21[建筑科学—桥梁与隧道工程]