Related Experiment Video
Updated: Sep 20, 2025

Preparation of Aligned Steel Fiber Reinforced Cementitious Composite and Its Flexural Behavior
Published on: June 27, 2018
Behaviour of Hybrid Fibre-Reinforced Ternary Blend Geopolymer Concrete Beam-Column Joints under Reverse Cyclic
Veerappan Sathish Kumar1,2, Namasivayam Ganesan2, Pookattu Vattarambath Indira2
1Faculty of Civil Engineering, Architecture and Geodesy, University of Split, 21000 Split, Croatia.
Abstract:
Beam-column joints are extremely vulnerable to lateral and vertical loads in reinforced concrete (RC) structures. This insufficiency in joint performance can lead to the failure of the whole structure in the event of unforeseen seismic and wind loads. This experimental work was conducted to study the behaviour of ternary blend geopolymer concrete (TGPC) beam-column joints with the addition of hybrid fibres, viz., steel and polypropylene fibres, under reverse cyclic loads. Nine RC beam-column joints were prepared and tested under reverse cyclic loading to recreate the conditions during an earthquake. M55 grade TGPC was designed and used in this present study. The primary parameters studied in this experimental investigation were the volume fractions of steel fibres (0.5% and 1.0%) and polypropylene fibres, viz., 0.1 to 0.25%, with an increment of 0.05%. In this study, the properties of hybrid fibre-reinforced ternary blend geopolymer concrete (HTGPC) beam-column joints, such as their ductility, energy absorption capacity, initial crack load and peak load carrying capacity, were investigated. The test results imply that the hybridisation of fibres effectively enhances the joint performance of TGPC. Also, an effort was made to compare the shear strength of HTGPC beam-column connections with existing equations from the literature. As the available models did not match the actual test results, a method was performed to obtain the shear strength of HTGPC beam-column connections. The developed equation was found to compare convincingly with the experimental test results.
More Related Videos
07:15A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli
Published on: December 11, 2014
05:26Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels
Published on: October 19, 2022
Related Concept Videos
Behavior of Concrete Under Compressive Load
As the concrete specimen fractures under...
Fiber Reinforced Concrete
Beams with Unsymmetric Loadings
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
Tensile Strength Considerations of Concrete
The dimensions and shape of a concrete specimen...
Beams with Symmetric Loadings
The M/EI...
Deformation of a Beam under Transverse Loading
The insights from the bending moment diagram extend to...