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首页> 外文会议>RILEM Proceedings PRO 39; RILEM Symposium on Fibre-Reinforced Concretes(FRC) - BEFIB 2004 vol.2; 20040920-22; Varenna(IT) >EXPANSION ANCHORS IN HIGH PERFORMANCE FIBER REINFORCED CONCRETE
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EXPANSION ANCHORS IN HIGH PERFORMANCE FIBER REINFORCED CONCRETE

机译：高性能纤维增强混凝土中的膨胀锚

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摘要

This paper presents the mechanical behavior of expansion anchors embedded in high performance concrete, with and without steel microfibers, subjected to tensile tests. Compressive strength, addition of fibers and embedment length were adopted as major factors. In particular, the failure mode was studied with reference to the embedment length and to fibers added to the matrix (0-1%). The embedment length influences the results both in terms of strength and ductility, while fibers strongly affect only the post-peak behavior and the failure pattern. A comparison between the results and the strength given by the producer for a normal concrete shows that high-performance concrete leads to a significant increase of the strength. The influence of the major factors on the results, in terms of strength, stiffness, failure mode and failure pattern, is also discussed. Finally, a comparison between standard equations and experimental results is provided.
机译：本文介绍了在有或没有钢超细纤维的情况下，经受高性能测试的埋入高性能混凝土中的膨胀锚的力学性能。主要因素是抗压强度，纤维添加量和包埋长度。尤其是，根据嵌入长度和添加到基体中的纤维（0-1％）研究了破坏模式。嵌入长度在强度和延展性方面都影响结果，而纤维仅强烈影响峰后行为和破坏模式。将结果与生产商提供的普通混凝土强度进行比较，结果表明，高性能混凝土可显着提高强度。还讨论了主要因素对结果的影响，包括强度，刚度，破坏模式和破坏模式。最后，对标准方程和实验结果进行了比较。

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