The concrete filled steel tubular columns for supperting furnace showed a outstanding fire-resistant capability in a fire case caused by the leakage of molten glass from one large glass furnace.

某工程大型玻璃熔窑在一次漏玻璃液火灾中，钢管混凝土窑底柱表现出不寻常的抗火灾能力。

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Review on fire-resistant performance of the prestressed concrete structures is carried out and many relative problems are discussed.

对预应力混凝土结构火灾的研究现状进行了综述与分析，探讨了预应力混凝土结构火灾研究中存在的主要问题。

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They have bad heat-resistant and fire-resistant performance. Authors analyze the characteristic of the plastic bellows for prestressed concrete in the projects and give countermeasure.

结合工程应用情况，分析塑料波纹管的优缺点，提出了针对性的解决对策。

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