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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) >THE INVESTIGATION ON THE WORKABILITY AND FLEXURAL TOUGHNESS OF FIBRE COCKTAIL REINFORCED SELF-COMPACTING HIGH PERFORMANCE CONCRETE
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THE INVESTIGATION ON THE WORKABILITY AND FLEXURAL TOUGHNESS OF FIBRE COCKTAIL REINFORCED SELF-COMPACTING HIGH PERFORMANCE CONCRETE

机译：纤维鸡尾酒增强自填充高性能混凝土的可加工性和挠曲韧性的研究

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摘要

Nowadays, the workability, the strength and the toughness are significant factors for Self - Compacting - High Performance Concrete (SCHPC). This paper presents research results on the workability, on the compressive strength and on the flexural toughness of Fibre Cocktail (hybrid steel-polypropylene fibre) Reinforced SCHPC (FRSCHPC). Forty mixtures made with steel fibres, PP-fibres and hybrid steel-PP fibres of various dosages have been investigated. The mixtures were tested using rheometer, slump flow panel, J-Ring and L-Box tests for evaluating the flowability and segregation risk of the fresh mortar/ concrete. In order to assess the influences of different fibres (steel fibre, PP-fibre and the fibre cocktail) on the compression, flexural toughness (for beams and slabs), lots of experiments have been carried out based on the results of the workability tests.
机译：如今，可加工性，强度和韧性是自压实高性能混凝土（SCHPC）的重要因素。本文介绍了纤维鸡尾酒（混合钢-聚丙烯纤维）增强SCHPC（FRSCHPC）的可加工性，抗压强度和抗弯韧性的研究成果。已经研究了由40种不同剂量的钢纤维，PP纤维和杂化钢PP纤维制成的混合物。使用流变仪，坍落度流量面板，J形环和L-Box试验测试混合物，以评估新鲜砂浆/混凝土的流动性和偏析风险。为了评估不同纤维（钢纤维，PP纤维和纤维混合物）对压缩，弯曲韧性（对于梁和板）的影响，根据可加工性测试的结果进行了许多实验。

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