下承式预应力混凝土系杆拱桥拱肋尺寸控制实例分析

Arch Rib Size Control of Under-supported Prestress CFST Arch Bridge Instance Analysis

通过QC小组活动，分析了下承式预应力混凝土系杆拱桥拱肋尺寸的影响因素，并针对性地采取了相关措施。实践应用表明，本次活动有效提升了拱桥施工质量，使拱肋尺寸合格率得到了提升，值得推广应用。

This article analyses the influence of arch rib size of under-supported prestress CFST arch bridge through the QC group activities, and related measures are taken specifical y. The application results show that this activity improves effect-tively the arch bridge construction quality which improves the qualified rate of arch rib size and is worth generalization and application.