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1)  Armored concrete roof truss of prestressing force
预应力钢筋混凝土屋架
2)  prestressed reinforced concrete tower
预应力钢筋混凝土塔架
1.
With the development of wind turbine’s trend of single machine but large capacity, and with the prestressed reinforced concrete wind-turbine tower has many advantages such as high stability, corrosion resistance, lower maintenance cost, saving steels and convenient manufacture in-site, prestressed reinforced concrete tower will have more and more wide prospect.
由于预应力钢筋混凝土风力发电塔架具有稳定性能好、抗腐蚀性能强、维修费用低、节约钢材和现场加工方便等方面的优点,并且随着风力发电机向单机大容量和海上风力发电的趋势的发展,预应力钢筋混凝土塔架必将有更广阔的前景。
3)  Prestressed concrete roof truss
预应力混凝土屋架
4)  prestressed reinforced concrete
预应力钢筋混凝土
1.
Experimental study on the prestressed reinforced concrete beam under static loads;
预应力钢筋混凝土成品梁静载试验研究
2.
in this paper,according to one instance of engineering project,to deep foundation pit in the proximate building,using the slope protection pile of prestressed reinforced concrete,prestressed steel stranded wire in the pile has improved intensity and the rigidity of supporting structure effectively,and the computational method of earth pressure has certain instruction an.
以实际工程为例,针对紧邻建筑物的深基坑,采用预应力钢筋混凝土护坡桩作为挡土支护结构,有效提高了支护结构的强度和刚度,且护坡桩设计中土压力的计算方法,对类似深基坑支护工程的设计计算具有一定的指导和借鉴作用。
3.
An approach for simulating damage process of prestressed reinforced concrete structures under impact load by applying the discrete element method is presented.
采用离散单元法模拟了预应力钢筋混凝土梁在冲击荷载下的破坏过程 。
5)  The prestressed armored concrete cannular pilings
预应力钢筋混凝土管桩
6)  prestressed concrete
预应力钢筋混凝土
1.
A series of prestressed concrete beams were loaded at three points subjected to bending until failure.
利用全波形声发射技术记录了预应力钢筋混凝土梁在3点弯曲荷载下整个破坏过程的声发射信号,并在研究了声发射累计能量随时间变化关系曲线的基础上,采用谱分析对声发射全波形数据进行了分析和处理。
2.
In this paper, numerical simulation for the ogive nose projectile penetration of a 800 mm thick nuclear power plant prestressed concrete containment with explicit finite element code is presented.
应用显式动力有限元程序 ,对核反应堆预应力钢筋混凝土安全壳进行了卵形头弹体侵彻数值模拟分析。
3.
Combining the model with concrete and reinforcing steel models, a computer program for material and geometric nonlinear analysis of externally prestressed concrete structures has been developed.
本文提出了一种用于外张预应力钢筋混凝土结构非线性分析的单元模型,此模型可模拟外张预应力钢筋在转向点处的滑移和摩擦作用。
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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