摘要
城市供水工程一般都是长距离大口径管线输水,从取水源头到供水终点,沿途地形复杂,而隧洞是其中主要的水工建筑物。大量研究表明,裂缝是水工混凝土建筑物(包括隧洞)最普遍、最常见的病害之一,隧洞混凝土裂缝往往是多种因素联合作用的结果。结合龙茜供水工程停水检修期隧洞专项检测,对樟坑径隧洞产生裂缝的原因进行分析,为今后隧洞裂缝处理制定合理的修补方案提供依据。
In the projects of water supply for the city, the long-distance large size pipelines are most commonly used. In the whole route from the water sources to the terminal user, the landform is complex and the tunnels are the main hydraulic structures. The sur- veys have shown that the cracks are one of the most popular problems of the hydraulic concrete structures including the tunnels. The cracks in concrete in the tunnels are the result of different influential factors. The cause analysis was conducted on the cracks in Zhangkengjing Tunnel in the specific tunnel test during the period of the cutoff in Longxi Water Supply Project. This cause analysis will be reference to the rational repair and maintenance of the possible crack in the tunnel in the future.
出处
《人民珠江》
2009年第4期49-51,54,共4页
Pearl River
关键词
城市供水
隧洞
衬砌混凝土
裂缝成因
city water supply
tunnel
lining concrete
break cause analysis
