南通某斜腿刚架拱桥加固

南通某斜腿刚架拱桥，使用多年后，出现多处裂缝，拱脚处主拱腿、斜撑均有不同程度的断裂、个别部位混凝土破碎，拱顶下挠超过10cm。介绍了该桥的加固方案及成功经验。

Reinforcement of a Arch Bridge with Oblique Leg and Rigid - Frame in Nantong

Many years using later,a arch bridge much place. Main arch leg at skewback and diagonal with oblique leg and rigid all have brecks in verying - frame in Nantong yields cracks at degree. The solid soil in individual positions crushes. Down deflection of arch crown exceeds 10 cm. The paper introduces the schemes for present bridge reinforcing and the successful experiences among it.