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- Selecting of Precast Former of Concrete Lining Canal in Linwei District 临渭区混凝土渠道衬砌预制件成型设备的选用
- It presents two optimal cross-section of lined canal, one is trapezoid canal, the other is “U” shaped canal. 这一方法可克服目前配水衬砌渠道设计中的经验性和随意性,并可节省大量投资。
- And the value of the calculation range of the underground concrete lined bifurcated pipes is obtained. 采用有限元法研究了埋藏式钢筋混凝土岔管的计算范围。
- With the purpose of minimizing wet perimeter, limited by the average flow, this paper deduces the nonliner programming models of the cross-section of lined canal by method of lagrangian multipliers. 以湿周最小为目标函数,均匀流公式为约束条件,应用拉格朗日乘子法求解,推导配水衬砌渠道横断面的非线性规划模型。
- Abstract: It is about a designed landscape that recovers a canalized, concrete lined river and become an ecologically healthy, visually pleasing and well-used park. 摘要:这是一个关于河流生态恢复与重建的案例。把一个以防洪为单一目的的硬化河道,用最经济的途径恢复重建为充满生机的现代生态与文化的游憩地。
- Estimating Seepage Loss of Lined Canal 防渗渠道输水损失的估算
- The intake dam of the Chuan River irrigation area is the first overflow concrete lined palm bark dam in Yunnan Province. After 28-year operation the overflow surface of the dam is severely worn. 川河灌区取水坝为我省第一座混凝土条支砌的溢流蓑衣坝,经28年运行后,溢流面严重磨损。
- Operate of a drainage channel of width less than 100m with concrete lined bed and grascrete sides, spanning from Yuen Long Main Nullah to Kam Tin Channel, and associated pumping facilities. 营办一条由元朗大明渠伸展至锦田排水道,宽度少于100米,底部中间砌衬混凝土,而两旁则铺砌草面物料的排水道,及相连的泵水设施。
- The Venetian, in spite of the gondolas in swimming-pool-tile- lined canals, is little more than a shopping mall. 就像威尼斯,要不是泳池泳道般的运河里开着刚多拉,它比购物中心也好不到哪去。”
- Various types of companies existing concrete lining of steel formwork car, rail, trolley concrete delivery tanker. 公司现有各类型混凝土衬砌钢模板台车,有轨,无轨混凝土输送罐车。
- An anticorrosion method of using modified water glass concrete lining of furan resin for saturators is introduced. 介绍了一种对饱和器采用呋喃改性水玻璃混凝土衬里的防腐蚀方法。
- We have used needle beam telescoping steel form in the Mao-Gong reservoir sediment tunnel in the concrete lining. 在庙宫水库排沙洞的衬砌施工中使用了针梁式混凝土衬砌钢模台车。
- The practice shows that it is effective to decrease the cracking of the concrete lining slab through the active adoption of those measures. 实践证明:通过采取积极的预防及控制措施,对减少混凝土衬砌板裂缝的产生是非常有效的。
- opercular canal The cephalic lateral line canal on the opercle. 鳃盖管在鳃盖上方的头部侧线管。
- It is difficult to analyze combined work of underground penstock due to the gap among steel lining, concrete lining and rock. 摘要埋藏式压力钢管设计中,钢衬、混凝土衬圈和围岩之间普遍存在着不连续的缝隙,致使设计计算时难以进行联合受力分析。
- For concrete lining construction of long inclined shaft with sleep obliquity and big diameter, the construction technology is complex and difficult. 摘要陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度特别大。
- Because two tailrace tunnels of Laxiwa Hydropower Station are big in its diameter,the concrete lining adopted the way of "first bottom and then side and top arch". 拉西瓦水电站两条大洞径的尾水洞,采用先底拱、后边顶拱的混凝土浇筑方式。
- In the structure design composite lining is adopted, including front pre-grouting, grid steel frame, primary shotcrete-bolting support and reinforcing concrete lining. 在超前地质预报工作的基础上,结构设计采用超前注浆堵水、初期格栅钢架喷砼网支护、二次现浇钢筋砼衬砌的复合式衬砌方案。
- Current situation of the insulating and wearing-resistant concrete lining for fluid catalytic cracking units was summarized,and the gap between home and abroad was also discussed. 论述了我国石油化工行业催化裂化装置用隔热耐磨衬里的现状以及与国外先进水平的差距。
- The key points of concrete lining construction in tunnel in winter are to control the temperature in concrete mixing process and the concrete maintenance. 摘要低温季节隧洞混凝土衬砌施工的关键是控制好混凝土拌制过程的温度及混凝土的保(养)护。