toughness index

The compression toughness index and load-bearing capacity coefficient of steel confined polyvinyl alcohol fiber reinforced cementitious composites are far more than steel confined ordinary concrete, when fiber volume contents reach 2%.

4.2%纤维体积掺量的钢筋约束水泥基复合材料的压缩韧度指数和承载能力变化系数要明显大于钢筋约束普通混凝土。

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compressive toughness index of carbon fiber reinforced concrete

碳纤维混凝土的压缩韧度指数

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the tension strength and toughness index of steel fiber reinforced heavy concrete increase with the increase of steel fiber content.

并且添加钢纤维之重质混凝土其韧性指数亦随著纤维量之增加而有增加的趋势。

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while for improving toughness index, polyester fiber is the best, glass fiber the second, and lignin fiber the least.

聚酯纤维提高沥青混凝土韧性指标最佳，玻璃纤维次之，木质素纤维最差。

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the toughness index of the weld is dependent on of the application status of the weld.

关于焊缝韧性指标，根据使用的情况不同也有所不同。

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The flexural toughness index according to ASTM method and the coefficient of flexural toughness based on JCI method also show increasing trend with increasing fiber content.

由ASTM法和JCI法计算的ECC弯曲韧度指数和弯曲韧度系数都有随纤维掺量增加而增加的趋势。

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Flexural strength under four-point bending has been determined on samples made of fine mortar containing 0,0.75%, and 1.5% of PVA fibers. The flexural toughness index according to ASTM method and the coefficient of the flexural toughness based on JCI method have been evaluated.

通过四点弯曲试验研究了PVA纤维体积掺量分别为0、0.75%、1.5%的抗折强度，按照ASTM方法确定了SHCC的弯曲韧度指数，通过JCI方法得到了SHCC的弯曲韧性系数。

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