用铸造砂(FS)和碎混凝土废料(CCW)提高纤维增强标准混凝土(FRSC)、高强混凝土(FRHSC)和高性能混凝土(FRHPC)的抗压和抗弯强度性能

R PruthvirajS, M RaviKumarC, M YajnodbhaviH, T Maruthi, S. Raghavendra
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引用次数: 0

摘要

目前,人们对各种等级的混凝土进行了大量的研究工作,通过添加补充胶凝材料和替代骨料,使混凝土最经济耐用。本文对M30、M50和M80级混凝土分别用铸造砂和破碎的混凝土废料代替细骨料和粗骨料的力学性能进行了试验研究。混合料设计程序按照IRC44:2017指南和建议进行。通过在混凝土中适量添加高效增塑剂,提高混凝土的性能。在本研究中,使用水泥重量0.3%的聚丙烯纤维(PPF)。机械性能,如抗压强度和抗折强度是通过准备相应的模具尺寸来确定的,分别固化7、14和28天,并将各自天数的结果制成表格并进行讨论。
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Compressive and Flexural Strength Property Enhancement for Fibre Reinforced Standard Concrete (FRSC), High Strength Concrete (FRHSC) and High Performance Concrete (FRHPC) using Foundry Sand (FS) and Crushed Concrete Waste (CCW)
Now days, many research works are carried for all grades of concrete to make the concrete most economical and durable there by adding the supplementary cementitious materials and alternative replacement aggregates. In this research work deals with the experimental investigation of mechanical properties of the M30, M50 and M80 grade concrete by replacing the fine and coarse aggregate by foundry sand and crushed concrete waste respectively. Mix design procedures were followed as per IRC44:2017 guidelines and recommendation. Proper dosage of super plasticizer (SP) was maintained in the concrete to make it better performed. In this present investigation, a Poly Propylene fibre (PPF) of 0.3% by weight of the cement is used. Mechanical properties such as Compressive strength and Flexural Strength were determined by preparing the respective mould sizes for specific test and are cured for 7, 14 and 28 days and result obtained for respective days were tabulated and discussed.  
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来源期刊
CiteScore
3.80
自引率
0.00%
发文量
19
期刊介绍: The International Journal of Construction Education and Research is a respected international refereed journal that publishes original works that address cutting edge issues related to construction around the globe. The Journal supports the mission of the Associated Schools of Construction (ASC), a professional association comprised of about 100 universities and colleges. The ASC encourages the sharing of ideas and knowledge and promotes excellence in curricula, teaching, research and service relating to the construction industry.
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