1) line canal
衬砌渠系
2) canal lining
渠道衬砌
1.
Research on application of expansive concrete in the design of canal lining;
膨胀混凝土在渠道衬砌设计中的应用研究
2.
On the structural design and anti-seepage in the anti-seepage and anti-freeze of the canal lining;
渠道衬砌防渗抗冻中的结构设计及防渗措施
3.
From aspects of practice and(theory,) the authors analyzed the frost upheaval mechanism of these kinds of soil,their main infection factors,and the destruction types of canal lining due to frost upheaval.
本文从理论分析和实践运用两方面,阐明了冻胀性土的冻胀机理、冻胀的主要影响因素、渠道衬砌冻胀破坏类型,提出了针对南干渠冻胀性土和膨胀岩土的有效的工程处理措施,特别是对渠道沿线广泛分布的第三纪白砂岩作为渠道填方料、渠基膨胀泥岩换填料的可行性进行了研究。
3) channel lining
渠道衬砌
1.
No Destructive Testing by GPR Method on Thickness of Concrete Channel Lining in the East Route of The South-to-North Water Transfer Project
南水北调东线渠道衬砌混凝土厚度GPR快速无损检测
2.
The research includes the determination method of the anti-frozen design parameters,the outlines of the prevention and anti-frozen technical methods of the channel lining projects,etc.
依据黑龙江省水利科学研究院近20年来水工建筑物抗冻技术研究的主要成果,简述了高寒地区渠道防治冻害技术的主要内容,包括:抗冻胀设计参数的确定方法、渠道衬砌工程防治冻害技术措施的要点等,可供工程设计人员参考。
3.
Uplift reduction by drainage is an important technology for ensuring large-sized channel lining works,especially in preventing damage of uplift in high groundwater level to lining body during the non-conveyance period.
大型渠道衬砌中的排水减扬压技术是确保渠道衬砌施工的一项重要技术,对于防止非输水期特别是汛期高地下水位对衬砌体的扬压破坏具有重要作用。
4) Lined canal
衬砌渠道
1.
Water-right trading calculation for different types of lined canals in the Yellow River water diversion irrigation districts in Ningxia
宁夏引黄灌区不同型式衬砌渠道水权转换价格计算探讨
2.
There exists the frost heaving failures of lined canals and hydraulic structures caused by frozen deformation of the foundation soil.
黄河下游属季节性冻土地区,由于基土的冻胀变形而引起的衬砌渠道和水工建筑物的冻胀破坏问题普遍存在。
3.
This paper expounds the basic principles and basic features of the frost heaving of lined canal, and introduces the calculating method for the frost heaving resistant and the selection of the measures for frost heaving resistant.
阐述了衬砌渠道冻胀的基本原理及基本特征,介绍了衬砌渠道抗冻胀计算方法及防冻胀措施的选择。
5) canal liner
渠道衬砌
1.
Study on properties of high fly-ash amount concrete for canal liner;
大掺量粉煤灰配制高性能渠道衬砌混凝土的研究
6) lining canal
衬砌渠道
1.
An optimal design model of economic section is established based on the problems existed in design of economic section of lining canal by using of system analysis and minimizing the total cost as an objective function.
针对明渠衬砌渠道经济断面设计中存在的问题，应用系统分析的方法，以总费用（或投资）最小为目标，建立了经济断面优化设计模型，并通过区域网格法及计算机模拟运行，得出衬砌渠道在工程费用最省时的全部系统设计参数。
2.
Based on analysing the damages of freezing dilatation in prefabricated concrete lining canal there are some general accounts on how to control the damages, which is mainly connected with the lining made of regular hezagon prefabricated concrete plates should be used instead of the conventional rectangle of square.
预制砼板防渗衬砌渠道的冻融破坏,给灌溉渠道工程的安全使用造成了威胁,缩短了灌溉渠道的使用寿命,影响着灌溉渠道工程效益的发挥。
补充资料：渠系水利用系数
渠系水利用系数
efficiency of canal system flow
quxishui ljyong xishu渠系水利用系数(effieieney of eanalsystem flow)渠道流量稳定时，同一时I’dJ末级固定渠道净流量之和与渠首引入流量的比值1它表示了从渠首到最末一级固定渠道中水可被利用的程度，是反映灌区自然条件以及渠系工程技术状况和管理水平的综合指标。其计算公式为:田nqn刀，Qh习Q，， 舔式中q、为灌区的净灌水率值，以米“·秒一‘·万亩‘止t;习Qf、为自末级固定渠道(即农渠)，月出的净流量的总和，以米“/秒计;Q。为与习Qf二同时期的灌区渠首引水流量.以米“/秒计:刀‘为田间水利用系数;。，为灌区净面积，以万亩i十。根据渠系水利用系数的定义，}]s还可用各级固定渠道的渠道水利用系数的连乘积表示，即:，、~刀二·夕。·夕，·伪式中枷、刀。.//t、衍分别为干渠、支渠、斗渠、农渠等各级固定渠道的渠道水利用系数，其值可根据渠道水利用系数条目中有关计算公式求出。 渠系水利用系数与灌区大小、渠床土壤、渠道长度、防渗措施和管理水平等因素有关，见表。 灌区渠系水利用系数表┌─────┬──────┬─────┬──────┬─────────┬─────┐│灌溉面积 │<工.0 │1 .0一10.0│10.(1一30.0 │30 .0一10叹、.(、 │卜飞{、吸)││ 〔万亩) │ │ │ │ │ │├─────┼──────┼─────┼──────┼─────────┼─────┤│夕‘ │()85一().75 │().75一0.7│0 .7一0.65 │()6 │() 55 │└─────┴──────┴─────┴──────┴─────────┴─────┘(沈佩君)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条