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首页> 外文会议>RILEM Proceedings PRO 39; RILEM Symposium on Fibre-Reinforced Concretes(FRC) - BEFIB 2004 vol.1; 20040920-22; Varenna(IT) >PRECAST SFRC ELEMENTS: FROM MATERIAL PROPERTIES TO STRUCTURAL APPLICATIONS
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PRECAST SFRC ELEMENTS: FROM MATERIAL PROPERTIES TO STRUCTURAL APPLICATIONS

机译：预制SFRC元素：从材料性能到结构应用

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摘要

The prefabrication industry is particularly interested in the applications of Steel Fibre Reinforced Concrete (SFRC) since fibre reinforcement industrializes the production process and reduces labour and costs. Although there are many potential applications that can take advantage of the use of fibre reinforcement, the full potentials of Fibre Reinforced Concrete (FRC) are still faraway to be used in practice. This is mainly due to a lack of specific rules for FRC in building codes. In fact, the existing rules for reinforced concrete can hardly be adopted for FRC that is markedly non linear since fibre start working after cracking of the concrete matrix. Guidelines were recently produced by RILEM (TC162-TDF) and by some Countries but clear and simple design rules are strongly required by designers who hardly accept to assume responsibilities by adopting voluntary guidelines or, even worse, research results available in scientific papers. The aim of the present paper is to evidence the main material properties required for a correct design of precast SFRC elements, underlining the concepts that characterize the use of SFRC in structural design. Furthermore, some applications in the Italian precast industry are presented.
机译：预制行业对钢纤维增强混凝土（SFRC）的应用特别感兴趣，因为纤维增强可以使生产过程工业化并减少劳动力和成本。尽管有许多潜在的应用可以利用纤维增强材料的优势，但纤维增强混凝土（FRC）的全部潜力仍然遥不可及。这主要是由于建筑规范中缺少针对FRC的特定规则。实际上，由于纤维是在混凝土基体开裂后开始工作的，因此明显非线性的FRC几乎不能采用钢筋混凝土的现行规定。 RILEM（TC162-TDF）和一些国家最近制定了准则，但是对于几乎不接受采用自愿准则甚至更糟的是科学论文中的研究结果来承担责任的设计人员，强烈需要清晰，简单的设计规则。本文的目的是证明正确设计预制SFRC元件所需的主要材料性能，并强调了在结构设计中使用SFRC的特征性概念。此外，还介绍了意大利预制行业的一些应用。

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