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提出一种维修加固石拱桥的简单实用方法 ,即在石拱桥拱圈的下部进行衬砌加固 ,使老石拱桥拱圈与新钢筋混凝土套拱形成整体 ,共同受力。本文简要介绍了加固方案、结构设计和施工要点 ,用此法对 10 4国道的地下坑桥进行维修加固 ,取得了良好的效果
A simple and practical method of repairing and reinforcing stone arch bridge is proposed. That is to say, lining reinforcement is applied to the lower part of the stone arch bridge arch ring so that the arch of the old stone arch bridge and the new reinforced concrete arch form a whole and are jointly stressed. This article briefly introduced the reinforcement plan, the structure design and the construction essentials, uses this method to carry on the repair reinforcement to the 10 4 national underground tunnel, achieved the good result