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Experimental Shear Study on Reinforced High Strength Concrete Beams Made Using Blended Cement

Journal of Architectural Environment & Structural Engineering Research 2022年第1期5卷 9-16页

作者： Brijesh Singh Vikas Patel P.N.Ojha Amit Trivedi V.V.Arora National Council for Cement and Building Materials BallabgarhHaryanaIndia

With the increased application of High Strength Concrete(HSC)in construction and lack of proper guidelines for structural design in India,behavioral study of high strength concrete is an important aspect of *** on the behavior of HSC reinforced beams with concrete strength more than 60 MPa has been carried out in the past and is still continuing to understand the structural behavior of HSC *** with the many benefits of the high strength concrete,the more brittle behavior is of concern which leads to sudden *** paper presents the behavior of reinforced HSC beams in shear with considering the effects of various factors like shear reinforcement ratio,longitudinal reinforcement ratio,l/d ratio(length to depth ratio),*** numbers Reinforced Concrete Beams of various sizes using concrete mix with three different w/c ratios(0.46,0.26 and 0.21)were cast for shear strength *** beams were tested in simply supported condition over two fixed steel pedestals with load rate of 0.2 mm/minute in displacement ***-point deflection was measured using LVDT.A comparative analysis of theoretical approaches of Euro code,extension of current IS code up to M90 and the experimental data was done to understand the behavior of *** capacities of beams without any factors of safety were used to assess the actual capacities and then was compared with the experimental capacity *** of this study can be used in the design of high strength concrete and will be more reliable in Indian continent as the regional materials and exposure conditions were considered.

关键词： High strength concrete Shear capacity Reinforced concrete beams Shear behaviour span to depth ratio

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