钢-混组合梁负弯矩区受力分析与设计方法

Analysis and Design Methods on Stress of Hogging Moment Zone of Steel-concrete Composite Girder

通过整理分析了影响组合梁负弯矩区受力性能的因素,改进拉应力的技术措施及负弯矩的设计方法;并结合工程实例,验证钢混组合梁负弯矩区以状态2为原则的设计方法。并在设计、施工构造方面提出了措施和建议。

By sorting out and analyzing the factors affecting the stress performance of the hogging moment zone of composite girder,the technical measures of tensile stress and the design method of hogging moment are improved.And combined with an engineering case,the design method of hogging moment zone of steel-concrete composite girder based on the principle of State 2 is verified.And the measures and suggestions are put forward in the aspects of design and construction.