【摘要】 针对某大跨度连续刚构桥出现的主要病害及其原因,介绍了采取增设预应力混凝土箱梁体外索的加固措施。具体阐述了设置剪力槽、种植锚筋、浇筑齿板混凝土、体外索制作与安装、体外索张拉等施工技术。更多还原

【Abstract】 Aiming at the main damage and its causes of a large-span continuous rigid framework bridge,the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.The construction techniques were put forward in detail including installing shearing force tank,planting anchor bar,casting toothed plate concrete,the manufacture,the installment and the tension of the external cable,etc.更多还原