The objective of this study is to evaluate the flexural behaviour of stainless-steel fibre-reinforced concrete beam-column (BC) joints under reverse cyclic loading. Based on the properties of concrete with various percentages of fibre, the optimized volume fraction was obtained as 0.75% of stainless-steel fibre. In the present work, two sets of beam-column joints with and without fibres were cast and tested under reverse cyclic loading. The beam-column joints were loaded up to five cycles, to study their behaviour, and examine the failure pattern of the joint. Based on test results, parameters such as ductility and the energy absorption capacity characteristics were evaluated. It is concluded that the inclusion of stainless-steel fibre improves the overall seismic resistance of RC beam-column joints.
This work deals with the experimental study of SCC with plastic fibre and metakaolin. Metakaolin with 20% replacement for cement and also addition of plastic fibre in SCC are tested. The influence of mineral admixture and the addition of plastic fibre in physical and mechanical properties in SCC are investigated. Plastic fibre is added to SCC with five various ratio are 0%, 0.25%, 0.5%, 0.75% and 1%respectively. The fresh concrete is tested by L – box test, V – funnel test and U – box test. The hardened concrete is tested by compressive test, flexural strength test and split tensile test. The properties of fresh concrete demonstrated that filling and passing capability of SCC are weak because of introduction of plastic fibre but are not greatly affected the properties. The hardened concrete properties show that metakaolin and plastic fibre has an impact on the strength of SCC.
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