大跨径预应力混凝土连续梁桥箱梁应用广泛,针对其在运营过程中易出现腹板裂缝的情况,从设计与施工两个方面进行了分析,并探讨了可以采取的预防控制措施。 Widely-span prestressed concrete continuous girder bridge box girder is widely used. In view of its easy occurrence of web cracks in the operation process, the design and construction are analyzed from two aspects and the preventive and control measures that can be taken are discussed.