广州绕城高速某隧道渗漏水病害处治

广州绕城高速某隧道由于地质结构、原施工及材料老化等原因导致洞内漏渗水、衬砌裂缝、衬砌空洞等病害,本维修工程通过精确定位钻孔,压力注浆,使用快凝防水水泥砂浆封堵裂缝等措施处治渗漏水病害。封堵与引排相结合,并取得良好效果。

Treatment of Tunnel Percolating Water of A Ring Highway in Guangzhou

Because of the geological structure, the method of construction, aging of the materials and so on, there is some disease such as cave leakage, arch ring crack defect and arch ring cavity in a tunnel of a Guangzhou ring highway. The maintenance project treats the disease such as water leakage by accurate position drilling, slip casting by pressure and the usage of rapid setting waterproof cement to seal cracks. Combining the ways of seal and discharge, a good result has been achieved.