玻璃纤维和“绿色”特种复合材料作为结构加固和体系;从米兰地铁,布伦纳隧道到米兰-热那亚高速列车的使用和应用

G. Manuele, M. Bringiotti, G. Lagana, D. Nicastro
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引用次数: 2

摘要

玻璃纤维增强聚合物(GFRP)是目前隧道施工中常用的材料;它们在几种应用中用作临时结构,以安全和经济有效的方式使用。典型的例子是所谓的“软眼”,掘进机必须通过。GFRP筋具有比钢筋高得多的抗拉强度,它们易于机械加工,可以通过刀头分解成小块,然后可以通过输送系统与废石一起运输。我们将描述这种材料的其他不同应用,如传统隧道施工中的结构元件,大型发射井中的人工建造加固笼,以及铁路行业中的特殊产品,其中抗电偶腐蚀性能是独一无二的。Maplad还在研究特殊的玄武岩纤维聚合物元素,这种元素具有更高的机械和物理性能,很可能是下一个未来的产品。1 .玻璃纤维增强聚合物型材
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fiber glass and “green” special composite materials as structural reinforcement and systems; use and applications from Milan Metro, Brenner Tunnel up to high speed train Milan – Genoa
Glass Fibre-Reinforced Polymer (GFRP) is nowadays a common practice in tunnelling; they are used in several applications as provisional structures, in a safe and cost effective way. Classical example is the so called “soft eye” where a TBM has to pass. GFRP bars have a much higher tensile strength than steel rebars, they are easily machined and can be broken down into small pieces by the cutter head and can then be transported by the conveyor system together with the spoil. We’ll describe other different applications of this kind of material as structural elements in the conventional tunnelling, manual constructed reinforcement cages in big launching shafts, ending in special products in the railway industry, where the anti-galvanic corrosion properties are unique. Maplad is working also on special basalt fiber polymer elements, which show increased mechanical and physical properties, most probably the product of the next future. 1 GLASS FIBER REINFORCED POLYMER PROFILES
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