The effect method of reinforce and maintenance the stone arch bridge is to build liner around the arch bridge down area. That combines the old arch round and the new reinforced concrete together.
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，是一种维修加固石拱桥的简单实用的方法。
By a blasting method of combining long holes with short holes, 30 big reinforced concrete bridge piers of the old '8.1bridge in Nanchang were demolished.
通过深孔和浅孔爆破相结合的方法，拆除了南昌老八一大桥30个水中大型钢筋混凝土桥墩。
应用推荐