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- prestressed joist 预应力托换梁
- 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。
- Lo River recorded that joist is used as the girder. 注:“桁,梁上所施也。”
- Rubber bush for prestressed concrete tubing. 说明:制造预应力水泥管时使用的橡胶模套,。
- Prestressed steel strand extension machine? 预应力钢绞线拉伸设备?
- Hebei Xinxing Joist Manufacture Building Materials Co., Ltd. 河北新星龙骨制造建材有限公司。
- A triangular metal bracket used to strengthen a joist. 角撑板一种三角形的金属托架,用来加固地板托梁
- The leading products include: box joist steel structure parts. 主导产品为:箱型梁钢结构构件;
- Based on the force behavior of joist of large-span prestressed space frame system,space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software. 针对大跨度预应力空间框架体系托梁受力复杂的特点,采用ANSYS软件进行了预应力梁板体系的空间有限元分析。
- 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。
- Initially all structures were prestressed by high-strength bars. 起初,每个桥梁都是通过高强钢筋施加预应力的。
- Shear lag is reduced for prestress in serviceability limit state . 在正常使用状态下,预应力平抑了箱梁剪力滞效应。
- 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。
- A joist is any of a series of small parallel beams supporting a floor or roof. 托梁是一系列的小列柱梁,用以支撑楼层或屋顶。
- The transverse diaphragm is very similar in appearance to the conventional bar joist. 横梁很相似于通常的钢筋搁栅。
- Optimize the Process of Prestressed Loading on Large Concrete Flume Structure. 大型混凝土渡槽的预应力施加程序优化。
- The result shows that prestress can reduce the deform and tensile stress. 计算结果表明,预应力的施加能减少位移,减小拉应力;
- 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。
- Notes: when install WPC products, there must be some proper interstice, and fix the products directly on the joist. 注意:塑木型材安装时必须保证适当的间隙,并且直接安装在托梁上。
- Poles can be held in place by using threading to brace them against a ceiling joist. 钢柱可以用一个支架固定在一个有天花板的地方。