针对我国高速公路运营中经常出现的影响桥梁结构安全和耐久性的问题,从设计角度提出了具体的改善措施,为桥梁设计提供了有益参考。对于常规设计中一些容易被忽视,而又影响结构安全的细部设计,只要设计者足够重视,完全可以解决这些问题。 In view of the problems that affect the safety and durability of bridges in the operation of expressways in our country, some specific measures for improvement are put forward, which provide useful references for the design of bridges. Some of the conventional design can easily be overlooked, but also affect the structural safety of the detailed design, as long as the designer enough attention, can solve these problems.