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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) >CONNECTING FIBRE DISTRIBUTION, WORKABILITY AND MECHANICAL PROPERTIES OF SFRC: AN INDUSTRIAL APPLICATION TO PRECAST ELEMENTS
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CONNECTING FIBRE DISTRIBUTION, WORKABILITY AND MECHANICAL PROPERTIES OF SFRC: AN INDUSTRIAL APPLICATION TO PRECAST ELEMENTS

机译：SFRC的连接纤维分布，可加工性和机械性能：预制件的工业应用

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摘要

A series of 40 precast prestressed roof elements has been cast, employing a self-compacting steel fibre reinforced concrete (SCSFRC). They are going to be used in a building of the Magnetti-Larco firm. The fibre distribution inside the roof elements has been investigated by means of a suitable test procedure and correlated with results obtained from cube samples drawn from the batches and tested at the fresh state. Companion slabs have been also cast and tested under four point bending, in order to investigate the existing correlation between fibre distribution and mechanical properties of the composite. The work here presented analyses the existing correlation between fibre distribution, workability and mechanical properties of steel fibre reinforced concrete (SFRC) with the aim to optimise both its fresh- and hardened-state properties in the sight of its use in a series production of precast SFRC structural elements.
机译：使用自密实的钢纤维增强混凝土（SCSFRC），铸造了一系列40个预制的预应力屋顶构件。它们将用于Magnetti-Larco公司的建筑物中。屋顶元件内部的纤维分布已通过适当的测试程序进行了调查，并与从批次中提取并在新鲜状态下进行测试的立方样品获得的结果相关联。为了研究纤维分布与复合材料力学性能之间的相关关系，还对铸坯进行了四点弯曲试验。此处介绍的工作分析了钢纤维增强混凝土（SFRC）的纤维分布，可加工性和机械性能之间的现有相关性，目的是在将其用于预制件的批量生产中的同时优化其新鲜状态和硬化状态SFRC结构元素。

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