增大截面法加固框架柱施工技术

CONSTRUCTION TECHNOLOGY OF STRENGTHENING FRAME COLUMN BY INCREASING SECTION METHOD

随着目前建筑物使用功能的不断增加,上部承重结构的加固工程在实践中占据了越来越重要的地位,对于建筑结构的整体安全具有较大影响。如何对框架柱进行合理的加固,是目前安全领域关注的要点,目前常用的加固方法有增大截面法、粘钢法和碳纤维法等多种方式,其中增大截面加固法是增大原有构件的截面积和配筋,以此提高后期结构整体的强度和稳定性,是一种直接加固的方式,在实践中得到了广泛的应用。以实际工程为例,针对目前混凝土框架柱的增大截面加固法进行了详细的分析,然后阐述了施工技术与质量控制要点,希望能够为建筑结构的加固工程提供技术参考。

With increasing use function of buildings, the reinforcement engineering of upper load-bearing structure occupies a more and more important position in practice, which has a great impact on the overall safety of building structures. How to reasonably strengthen the frame column is the key point in the safety field. At present,the commonly used reinforcement methods include increasing section method, steel bonding method and carbon fiber method. Among them, increasing the section reinforcement method is to increase the cross-sectional area and reinforcement of the original components, so as to improve the overall strength and stability of the later structure,and it is a direct reinforcement method, and it has been widely used in practice. Taking the actual project as an example, the paper makes a detailed analysis on the current reinforcement method of increasing section of concrete frame column, and then expounds the key points of construction technology and quality control, hoping to provide technical reference for reinforcement engineering of building structure.