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- prestressed concrete dam 预应力混凝土坝
- Rubber bush for prestressed concrete tubing. 说明:制造预应力水泥管时使用的橡胶模套,。
- Cracking is almost completely avoided in prestressed concrete. 预应力混凝土几乎可以完全避免出现裂缝。
- Research Development of Safety Analysis for High Concrete Dam. 高混凝土坝安全分析方法的研究进展。
- N.Rajagopalan, Prestressed Concrete, Alpha Science Intl.Ltd, 2002. 预应力混凝土结构,贾正甫,文京图书,2001。
- With concrete dam ageing, the change takes place in it's deformation modulus. 随着坝龄的增长,混凝土大坝的变形模量将发生变化。
- The stiffening beams of the side spans are prestressed concrete box beams. 主跨加劲梁为钢箱梁,边跨加劲梁为预应力混凝土箱梁。
- The successful alternative was the cast-in-place segmental prestressed concrete box girder. 最后采用的方案是分段现浇的预应力混凝土箱形梁。
- The thermo stresses in the concrete dam will produce because of changing of weather temperatures. 由于气温的交替变化,处于寒区的混凝土大坝必然产生温度应力。
- Binzhou Yellow River Bridge is a three-tower cable-stayed bridge with prestressed concrete girders. 摘要滨州黄河大桥主桥是三塔预应力混凝土斜拉桥,主梁为预应力混凝土箱梁。
- Therefore it provides a new effective way for discerning elastic parameters of concrete dam body and rocky foundation. 从而为识别混凝土坝体和岩石基础弹性常数提供了一条新的有效途径。
- Technical consultant for the manufacture of big span prestressed concrete reiteration plate. 为大跨度预应力钢筋混凝土叠合板生产技术咨询。
- The physical equation and elastic matrix for the rolled concrete dam is deduced based on the anisotropic elasticity. 由各向异性体的物理方程推导了碾压混凝土的物理方程和弹性矩阵。
- The formula for calculating the prestress loss is presented for the prestressed concrete cylindrical oil tank. 导出了适用于考虑圆柱形预应力混凝土油罐预应力损失计算的公式;
- As a new joist technique of concrete pipe pile, the prestressed concret e pile mechanical bond express joint has been used in engineering nowadays. 预应力混凝土管桩机械快速接头作为一种新型的管桩连接技术,近年在工程中时有使用。
- The conclusion shows the characteristics of RCD concrete dam stress field in the very cold area and it will be helpful for design and construction. 仿真计算结果揭示了北方寒冷地区碾压混凝土坝温度应力的特征,从而为混凝土入仓温度控制标准的制定和边界保温方法的选择提供依据。
- This paper introduces structure of waveform steel web prestress concrete box girder and construction method for several bridges. 介绍了波形钢腹板预应力混凝土箱梁的结构和几座桥梁的施工方法。
- A new method for anti - seepage coating of roller compacted concrete dam by using wet - mix shotcreting polyacrylate emulsion cement mortar(PAE mortar) is presented in this paper. 针对碾压砼坝上游面的防渗,提出了湿法喷涂丙乳砂浆集中防渗的新方案。
- They would certainly be less pleasing to the eye and often more expensive than the prestressed concrete beam. 与预应力混凝土梁比较,它们自然更显得外貌粗拙,不甚美观,而且成本也往往更高一些。
- The concrete in concrete gravity dam,especially in RCC dam,is a stratified structure,so that its stratification feature is key to the safety of concrete dam. 在混凝土重力坝尤其是碾压混凝土坝中,混凝土为成层结构,因而层面特性对混凝土坝的安全至关重要,个别坝段水平薄弱面的存在对混凝土坝的整体安全性有重要影响。