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钢-植物纤维混掺增强混凝土力学性能研究

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在混凝土中加入外掺纤维材料可以有效改善混凝土的力学性能,几种外掺纤维通过一定的比例混掺增强混凝土的力学性能相比单一纤维单掺入有更好的增强效果.植物纤维广泛存在于自然界,且有产量大、易获取、环保且可再生等优点.选取竹纤维、剑麻和黄麻 3 种植物纤维与钢纤维混掺,通过试验分析钢-植物纤维混掺对混凝土劈裂抗拉、抗剪以及抗冲击性能的增强效果,并与单掺钢纤维进行对比分析,验证了钢-植物纤维增强混凝土力学性能的可靠性.同时通过对 3 种植物纤维与钢纤维混掺的掺入量和配合比进行影响分析,提出了钢-植物纤维混掺增强混凝土的优化方案,并提出响应掺入量、配合比的建议值,为试验研究和工程应用提供借鉴和参考.
Experimental Study on Mechanical Properties of Steel-Plant Fiber Reinforced Concrete
Adding external fiber materials to concrete can effectively improve its mechanical properties.Several types of external fibers are mixed in a certain proportion to enhance the mechanical properties of concrete,which is better than adding a single fiber.Plant fibers are widely present in nature and have advantages such as high yield,easy availability,environmental protection,and renewability.Three types of plant fibers,namely bamboo fiber,sisal fiber,and jute,were selected to be mixed with steel fiber.The reinforcement effect of steel plant fiber mixing on the splitting tensile,shear,and impact properties of concrete was analyzed through experiments,and compared with the single addition of steel fiber.The reliability of the mechanical properties of steel plant fiber reinforced concrete was verified.At the same time,by analyzing the influence of the dosage and mix ratio of three types of plant fibers and steel fibers,an optimization plan for steel plant fiber reinforced concrete was proposed,and corresponding values for the dosage and mix ratio were proposed,providing reference and guidance for experimental research and engineering applications.

steel fiberplant fibersfiber blendingconcreteexperimental research

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嘉兴职业技术学院,浙江 嘉兴 314036

钢纤维 植物纤维 纤维混掺 混凝土 试验研究

2024

工业技术与职业教育
唐山工业职业技术学院

工业技术与职业教育

影响因子:0.347
ISSN:1674-943X
年,卷(期):2024.22(2)
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