1) Precast concrete U type canal
预制砼U形渠
2) concrete U-shaped canal
砼U型渠道
1.
Through analyzing the cause and features of crack of concrete U-shaped canal,the prevention and cure measures are put forward.
现浇砼U型渠道由于水力条件好、节省土地、整体性能好等优点,被广泛应用于小型渠道衬砌防渗中,本文通过分析现浇砼U型渠道裂缝产生的原因及特点,提出了防治措施。
3) cast-in-situ concrete U-type ditch
现浇砼"U"渠
1.
,the cast-in-situ concrete U-type ditch is widely applied in the seepage prevention of the ditch.
现浇砼“U”渠以其防渗效果好、使用寿命长、施工质量便于控制、外表美观等特点,在渠道防渗方面深受青睐。
4) U-shaped precast beam
U形预制梁
1.
A new kind of composite beam,prestressed concrete composite beam with U-shaped precast beam,is presented and its structural characters are discussed.
提出一种新型叠合梁结构———U形预制截面预应力混凝土叠合梁,探讨了其结构特点;介绍了国内外对预应力混凝土叠合梁抗裂度的研究概况;对U形预制梁制作、运输吊装阶段和叠合梁使用阶段开裂前的截面应力应变关系分别进行分析,在此基础上推导出相应阶段的正截面抗裂验算方法。
5) U-shaped canal
U形渠道
1.
Systematic experiments on the U-shaped canals with 12 different contraction ratios for measurin.
该文提出了一种仿真机翼形状的渠道量水设施,在U形渠道中通过12种量水槽收缩比进行了系统的组合试验,试验结果表明:该量水槽过流顺畅,水头损失小,试验数据资料表现出极好的相关性,相关系数为R2=0。
2.
The simplified calculation of cross-section gauging flow which follows Prandtl\'s exponential distribution law is presented for miniature U-shaped canals based on the practice from the interior control of irrigation water in Ningxia WUA and some gauging flow cross-sections are established on miniature U-shaped canal by irrigation projects and maintenance of agricultural comprensive development.
针对宁夏项目区农民用水协会(WUA)组织内部实施量水到户遇到的实际问题,考虑到农业综合开发田间配套工程中已在农渠等小型U形渠道上修建了部分用于渠道量水的标准断面,提出了流速服从紊流型态的普朗特指数分布规律的小型U形渠道断面测流的简化方法以及相应的断面流量计算公式。
6) U-shaped channel
U形渠道
1.
The hydraulic and structure properties of U-shaped channel s section are attractive.
U形渠道断面水力和结构性能优越,是渠道输水工程中较常采用的断面形式之一,水力计算中的正常水深、临界水深求解无显函数形式的表达公式。
2.
This article introduced the inference of the optimal hydraulic section,the radius selection of circular bottom and the height of vertical side,as well as the hydraulic calculation of a U-shaped channel.
介绍U形渠道水力最佳断面的推求,断面底圆半径与上部直立段高度的选取,以及泄流量的计算方法。
3.
Parabolic mobile measuring weir plate and portable flow measurement flume are two types of water-measuring device for small-sized U-shaped channel flow measurement in irrigation district.
抛物线形移动式量水堰板和便携式量水槽是针对小型U形渠道测流而提出的量水设备,具有使用方便,结构简单等优点。
补充资料：渠渠
1.深广貌。 2.殷勤貌。
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