1) steel lined reinforced concrete penstock
钢衬钢筋混凝土管
1.
A hydropower station plans to use Penstock Laid on Downstream Surface of Dam,in order to achieve the security,the construction convenience and the economical goal,This article carries on the comparison to the exposed penstock and steel lined reinforced concrete penstock.
某水电站拟采用坝下游面管的布置形式,为了达到安全、经济和施工方便的目的,对坝下游面明钢管和坝下游面钢衬钢筋混凝土管2种结构形式进行了比较分析。
2.
The integral model of steel lined reinforced concrete penstock was analyzed by nonlinear 3-D finite element method, focusing on stress of steel lining and reinforcing steel bar, cracking status of concrete.
采用将非线性有限元分析与规范解析法相结合的方法,先根据非线性有限元计算的结果,分析得到钢衬钢筋混凝土管的钢筋应力,再将其代入规范解析公式,计算出结构的裂缝宽度,并最终提出了满足结构限裂要求的配筋方案。
2) reinforced concrete fork pipe with steel liners
钢衬钢筋混凝土岔管
3) steel lined-reinforced concrete penstock
钢衬钢筋混凝土管道
1.
The steel lined-reinforced concrete penstock on the downstream surface of concrete dams is widely used in Dongjiang, Jinshuitan, Wuqiangxi, Lijiaxia, Sanxia projects.
坝下游面钢衬钢筋混凝土管道已经广泛应用于东江、紧水滩、五强溪、李家峡、三峡等大中型水电站，但地面式钢衬钢筋混凝土管道在我国尚无工程实例。
4) steel-lined reinforced concrete
钢衬钢筋混凝土
1.
Because concrete crack will badly affect the security of concrete penstock in hydropower station, the paper applied the theory of BP network and global optimization method to predict the maximum concrete crack width in steel-lined reinforced concrete penstock and brought forward the predicting model on the base of the theory of ANN.
水电站压力管道混凝土裂缝对结构的安全影响重大,基于人工神经网络的BP网络方法和全局优化方法的基本理论,对钢衬钢筋混凝土压力管道外包混凝土结构裂缝预测进行了研究,提出了基于神经网络的管道混凝土裂缝预测模型。
2.
Because concrete crack will greatly affect the security of concrete penstock in hydropower station,the paper applies the theory of global optimization method to predict the maximum concrete crack width in steel-lined reinforced concrete penstock and bring forward a predicting model based on the theory of artificial neural network(ANN).
基于人工神经网络的全局优化方法的基本理论,对钢衬钢筋混凝土压力管道外包混凝土结构裂缝预测进行了研究,提出了基于神经网络的管道混凝土裂缝预测模型。
5) reinforced concrete lining
钢筋混凝土衬砌
1.
Nonlinear finite element analysis of reinforced concrete lining of hydraulic tunnels;
水工隧洞钢筋混凝土衬砌非线性有限元分析
2.
There are two lining structure types which are frequently used in engineering presently,one is the reinforced concrete lining,another is the steel lining encircled by concrete.
目前工程上比较常用的水电站调压井衬砌结构型式有两种,一种结构型式是钢筋混凝土衬砌结构型式,另一种结构型式是钢衬加回填混凝土衬砌结构型式。
3.
The cracks of the reinforced concrete lining of tunnel is caused by thermal stress.
某输水隧洞砼衬砌因温度应力引起裂缝,本文主要研究开裂后隧洞的承载能力,特别是一条隧洞运行另一条检修时的钢筋混凝土衬砌承载能力。
6) reinforced concrete liner cover
钢筋混凝土衬套
1.
The strengthening effects of reinforced concrete liner cover for tunnel lining with crackles are investigated,and the numerical simulations for two computations of Tieshan Tunnel and Dayakou Tunnel are carried out by using a 2D FEM code.
以平面有限元位移法对铁山隧道和大垭口隧道带裂纹二次支护内设钢筋混凝土衬套的补强效果进行了数值模拟。
补充资料：预应力钢筋混凝土管
预应力钢筋混凝土管
prestressed reinforced concrete pipe
混凝卜管芯 环向预应力钢丝/保碑层//管芯环向钢筋管芯纵向钢筋预应力混凝土管纵剖面图力为6千克/厘米2以下的工农业输水管、城市输水管、煤气管、电厂排灰管和小型水电站引水管等预应力钢筋混凝土管，以及压应力为22.5千克/厘米“、管径2.0米的预应力混凝土管，都已成批生产。预应力钢筋混凝土管主要缺点是性脆、怕碰撞等。yuyingli gangjinhunningtu guan预应力钢筋混凝土管(prestressed rein-foreed eonerete PIPe)在制管过程中，使管身混凝土获得预压应力的钢筋混凝土管，通称预应力混凝土管。’它能承受较高的管内径向压力。广泛用于各种压力式输水管道，以及输油、输气管道等。管的直径在0.4米以下的为小口径管，0.4一1.4米的为中口径管，1.4米以上的为大口径管。管的接头分承插式与平口式两种。承插式管属柔性接头，安装方便，密封止水效果好，见图。平口式管制作简单，但密封效果差，接头易发生断裂、渗漏。管的生产工艺有三阶段和一阶段之分。三阶段制管工艺，首先制作带有预应力或非预应力纵向钢筋的混凝土管芯，然后在管芯上缠绕环向预应力钢丝，最后在环向钢丝外面覆加一层砂浆保护层。一阶段制管工艺是将三个工序合并为一道工序。 预应力钢筋混凝土管，一般能比钢管节省钢材70%左右，降低造价约60%，比一般钢筋混凝土管具有较高的抗裂性和较好的抗渗性。世界各国都在积极推广和扩大生产，并向大口径和轻质高强度方向发展。美国已制成直径为7.62米的大型管。日本现正制造轻质高强管，管内径向压力强度为14.5千克/厘米2，可比一般预应力混凝土管减轻自重23.5%。在中国，压应
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