桥梁的下部结构属于市政桥梁建设中的重要结构,其施工质量不仅会影响到桥梁的整体质量,还会给桥梁的正常通行产生一定的影响。本文主要分析了桥梁下部结构的设计、施工技术和保养措施,并重点讨论了其质量控制的要点,希望对提高桥梁的下部结构施工质量能起到一定的积极作用。 The structure of the lower part of the bridge belongs to the important structure in the construction of the municipal bridge. The construction quality of the bridge not only affects the overall quality of the bridge, but also affects the normal passage of the bridge. This article mainly analyzes the design, construction technology and maintenance measures of the substructure of the bridge, and emphatically discusses the key points of its quality control. It hopes to play a positive role in improving the construction quality of the substructure of the bridge.