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寿县合兴浅谈什么是预应力钢结构?

发布时间:2015-9-8 9:38:03 浏览次数:640




    预应力技术古已有之,乃先人藉此改善生活用具的性能、加固补强劳作工具的一种工艺。譬如,撑起布伞可以防雨挡风,这时就引入了预应力;木桶套箍,可以耐久防漏,这时就引入了预应力。但是,在现代钢结构工程中引入预应力,却是60年前的事情。

    人们在钢结构设计、制造、施工、加固过程中,人为地在承重体系中引入与外荷载应力符号相反的预加应力以抵消荷载应力峰值,增强结构刚度及稳定性,改善结构其它属性以及利用预应力技术创建新体系的都可称之为预应力钢结构。不论这类结构采用了任何材料的围护层,譬如,玻璃幕墙结构、膜结构等,都归属于预应力钢结构学科。



Prestressed technology has been the ancient, is the performance of ancestors improve life appliance, a technology of reinforcement reinforcement work tools. For example, can hold up cotton umbrella rain wind, then introduced prestressed; Barrel hoop, sets can be durable leakproof, then introduced prestressed. However, in modern introduction of prestressed steel structure engineering, is 60 years ago.

People in steel structure design, manufacture, construction and reinforcement in the process of artificially in bearing system introduced in contrast to the external load stress symbol of prestressing to offset peak load stress, strengthen the structure stiffness and stability, improve the structure properties and the use of prestressed technology to create a new system of prestressed steel structure can be called. Regardless of this kind of structure of any material palisade layer, for example, glass curtain wall structure, membrane structure, prestressed steel structures belong to subject.


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