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1)  pre-stressed concrete cylinder pipe(PCCP)
预应力钢筒混凝土管道
1.
Study on structural safety evaluating technique for pre-stressed concrete cylinder pipe(PCCP) in the South-to-North Water Diversion Project
我国从2006年开始首次把直径4 m的超大预应力钢筒混凝土管道(简称PCCP)用于南水北调中线京石段供水工程中。
2)  Prestressed Concrete Cylinder Pipe
预应力钢筒混凝土管
1.
In large-scale water transport engineering, the advanced technique of laying prestressed concrete cylinder pipe(PCCP) in tunnel is adopted in world now in order to insure water quality and high water supplying rate.
大型输水工程中,为了保证输水的水质和很高的供水保证率,目前世界上采用在隧洞内敷设大直径预应力钢筒混凝土管(PCCP)的先进输水技术。
2.
During the construction of prestressed concrete cylinder pipe(PCCP) for water supply from the Pinggang Pumping Station in salt tide period,the different trench excavation and foundation support were adopted according to different geological conditions.
在平岗泵站咸期供水配套工程预应力钢筒混凝土管(PCCP管)施工中,针对不同地质情况采取了不同的沟槽开挖和基础支护方式,泵站路标段处于人工填土层,采用素土夯实或抛石换填后,再进行放坡开挖处理的施工方式;海堤路标段处于沿海软土层,先采用水泥搅拌桩对软基进行加固处理后,再进行钢板桩的施工,然后进行PCCP管的安装。
3)  PCCP
预应力钢筒混凝土管
1.
The Application of the Prestressing Cylinder Cencrete Pipe(PCCP) in Pipeline Engineering for water supplying;
预应力钢筒混凝土管(PCCP)在给水管道工程中的应用
2.
With high watertightness, corrosion resistance, great pressure bearing, deep co-vering, and lower cost, wider range of diameters and higher rigidity for internal and external loads than non-metallic pipelines, PCCP is most suitable for great diameter pressure pipe such as municipal main sewer.
预应力钢筒混凝土管(PCCP)有很好的抗渗性、水密性、耐腐蚀性,承压能力高、覆土深度大,且比非金属管道造价低、管径范围大、刚性好,能承受很高的内外荷载,最适合作大口径压力管。
3.
This paper introduces the production technology and the characteristics of prestressed concrete cylinder pipe(PCCP).
本文介绍了预应力钢筒混凝土管 ( PCCP)的生产工艺及其特
4)  prestressed concrete cylinder pipe
钢筒预应力混凝土管
5)  Prestressed Concrete Cylinder Pipe
预应力钢筒混凝土管(PCCP)
1.
Finite Element Analysis of Prestressed Concrete Cylinder Pipe;
预应力钢筒混凝土管(PCCP)的有限元分析
6)  pre-stress cylinder concrete pipe(PCCP)
预应力钢筒混凝土管道(PCCP)
补充资料:预应力
分子式:
CAS号:

性质:试验中试样所受到的预加的恒定静态应力,单位为Pa。在生热性疲劳试验中,如固特里奇屈挠试验中,一般都施加一恒定预应力,使试样产生一静态变形,再叠加一周期压缩变形进行试验,通常预应力的大小会影响试样的疲劳寿命,预应力越大,则试样寿命会越明显缩短。也有的先施加一静态压缩变形,再叠加周期性剪切变形进行试验。

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