寒冷地区渡槽老化病害成因分析及防治措施  

Cause analysis on aging disease of aqueduct in cold area and prevention measures

作　　者：杨庆胜 刘敬洋[2] 王荣鲁[3] 肖俊[3] YANG Qingsheng;LIU Jingyang;WANG Ronglu;XIAO Jun(Ningxia Water Conservancy Engineering Construction Center)

机构地区：[1]宁夏水利工程建设中心,宁夏银川750004 [2]南水北调中线干线工程建设管理局,北京100038 [3]中国水利水电科学研究院,北京100038

出　　处：《大坝与安全》2020年第6期67-70,共4页Dam & Safety

基　　金：国家重点研发计划课题2018YFC0407102——“水库大坝安全诊断与智慧管理关键技术与应用”;中国水科院科研专项(SM0145B632017);宁夏回族自治区水利科技项目(HSP/GQ-KY-01)。

摘　　要：以宁夏盐环定扬黄灌区为例,介绍了我国北方寒冷地区钢筋混凝土渡槽的运行现状,对宁夏地区检测的14个渡槽进行了系统总结,分析了混凝土渡槽剥蚀破坏的主要原因,针对出现的老化病害现象,提出了修补加固的建议,同时对续建工程提出了意见及建议,对国内类似工程的建设、运行及管理有一定参考意义。Taking Yanhuanding Yellow Irrigation District in Ningxia as an example,this paper introduces the operating status of reinforced concrete aqueducts in cold regions of northern China.14 aqueducts were inspected in Ningxia.The inspection results are systematically summarized and the main causes of erosion and damage of concrete aqueduct are analyzed.Accordingly,suggestions both for rehabilitation and future construction are put forward,for reference.

关 键 词：寒冷地区 渡槽 老化病害 防治措施 

分 类 号：TV698.2[水利工程—水利水电工程]