Abstract
The paper deals with the experimental investigation on using geogrid in concrete for improving its flexural strength. Concrete is one of the most important and widely used construction materials in the world. The production of large quantities of concrete requires extensive amount of natural resources. Over the last several decades, researches have been focusing on improving the strength of concrete by inclusion of manufactured product. This study explores the application of geogrid in RCC beam to increase its flexural strength. The RCC beam with geogrid is investigated for two cases—(i) Geogrid reinforced in tension zone (ii) Geogrid-confined RCC beam. The four-point flexural bending test is done to compare the flexural strength of RCC beam and RCC beam with geogrid. It is observed that geogrid increases the flexural strength of the beam and reduces the number of cracks formed. The flexural strength of the geogrid-reinforced and geogrid-confined beam increased by 15% and 20%, respectively, due to the introduction of geogrid. The difference in the flexural strength of geogrid-reinforced and geogrid-confined RCC beam is negligible. Geogrid-reinforced RCC beam exhibits smaller deflection when compared to RCC beam. The reduction in the deflection in case of geogrid-reinforced and geogrid-confined RCC beam is 8% and 24%, respectively. However, geogrid-confined RCC beam is found to have least number of cracks. Also, it is seen that the cracks propagate only to a shallow depth in case of geogrid-confined RCC beam.
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Pavithra, S., Tamil Selvi, M. (2022). Experimental Study on Application of Geogrid in Concrete to Improve Its Flexural Strength. In: Naganathan, S., Mustapha, K.N., Palanisamy, T. (eds) Sustainable Practices and Innovations in Civil Engineering. Lecture Notes in Civil Engineering, vol 179. Springer, Singapore. https://doi.org/10.1007/978-981-16-5041-3_1
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DOI: https://doi.org/10.1007/978-981-16-5041-3_1
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