谈横向预应力加固空心板的计算方法  

On calculation methods for consolidation of hollow slab with horizontal prestress

作　　者：平甍 

机构地区：[1]榆平高速公路建设管理处,山西榆社031800

出　　处：《山西建筑》2013年第30期149-150,共2页Shanxi Architecture

摘　　要：针对空心板桥铰缝问题,从空心板铰缝受力机理等方面入手,深入剖析了铰缝损坏的原因,并对设计荷载进行纵向和横向加载计算,总结出横向预应力加固空心板桥的方法,指出采用该方法改变了铰缝的受力状态,确保了桥梁的运营安全。According to the bridge hinge joint of hollow slabs, the paper has the deep analysis of reasons for the hinge damage from the stressed mechanism of the hinge joint of hollow slabs, undertakes the horizontal and lengthway calculation of the design loading, sums up the methods for the consolidation of hollow slab bridges with the horizontal prestress, and points out the method can alter the stressed status of the hinge joint and ensure the operation safety of bridges.

关 键 词：空心板 加固 横向预应力 计算方法 

分 类 号：U448.212[建筑科学—桥梁与隧道工程]