摘要
通过对宁夏青铜峡河东灌区自20世纪70年代以来渠道采用的主要砌护形式进行了优劣分析,针对主要的破坏形式,分析了渠道砌护面破坏的原因,结合实际从规划设计、施工和运行管理的角度提出渠道防渗和抗冻的具体预防措施,为今后灌区选取渠道的砌护形式提供依据.
In this study, the pros and cons of the main pitching form of channel in Ningxia Qingtongxia Hedong irrigation area since 70 years of 20 th century are analysed. Aiming the main damaged forms, the reseons of the channel slop damaged are researched. Combining with the practice of planning, designing, constructing, running and management, the specific preventive measures of channel anti-seepage and anti-freeze are put forward, Futhermore, provide the basis for form selection of irrigation channel pitching in the future.
出处
《宁夏工程技术》
CAS
2009年第4期383-387,共5页
Ningxia Engineering Technology
关键词
砌护形式
破坏形式
破坏原因
冻胀
预防措施
pitching form
damaged form
damaged causes
frost heaving
precaution measures
