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预应力钢结构的经济效益如何?

发布时间:2015-9-19 9:51:33 浏览次数:617
预应力钢结构的经济性与结构体系类别、布索方案与工艺、荷载性质与力度、结构构造与节点、安装方法与材料价格等众多因素有关。
正常情况下,预应力钢结构比传统钢结构采用单次预应力可节约10%~20%的钢材;采用多次预应力可节约30%~40%的钢材。而预应力创新体系结构与传统结构相比要节约钢材50%以上或更多。
总之,结构材料中的强度潜力越大,采用预应力的经济效益越高。譬如,在实腹梁截面重心轴附近存有大量强度潜力,采用预应力后其经济效益同比格构梁要高许多。


Economy and structure system of prestressed steel structure category, bousso plan and process, the nature of the load, and the strength, structure and node, installation method and material price, and many other factors.

Under normal circumstances, the prestressed steel structure than the traditional steel structure using a single prestressed can save 10% ~ 20% of steel; Several times with prestressed steel can save 30% ~ 40%. Compared with the traditional structure and the innovation system of prestressed structure to save more than 50% or more steel. In short, the bigger the potential strength of structural materials, the use of the economic benefits of prestress is higher. For example, in the plain girder cross section near the center of gravity axis of strength potential, and the economic benefit after adopting prestressed lattice beam is much higher compared to the same.




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