continuous prestressed concrete box-girder 预应力混凝土连续箱梁
continuous prestressed concrete box-girder bridges 预应力混凝土连续箱梁桥
Prestressed concrete continuous box girder and steel-concrete composite girder are more and more adopted in construction of highway and railway.
预应力混凝土连续箱梁与钢混结合梁在公路、铁路工程中的应用越来越普及。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”,影响着构件的外观、使用寿命,甚至结构安全。
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.
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。
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