Beam-column junction plays an important role in moment-resisting framed structures when subjected to lateral load. Lateral load developed the asymmetric loading effect on an exterior beam-column junction. As a result, among all the junctions, exterior junctions are considered the most crucial under lateral load. The present study is focused on the torsional behaviour of exterior beam-column junction strengthened with stainless steel wire mesh (SSWM). Four 1/3 scale specimens are prepared with a cross-section of 120mm × 150mm for the beam and 120mm × 120mm for the column to study the behaviour of the exterior beam-column junction. Two specimens are considered as control specimens without wrapping, and two are fully wrapped above the beam and near the beam-column junction area using SSWM to avoid shear and torsional failure. The structural response has been measured in terms of displacement and rotation, strain at a junction and load-carrying capacity with the use of LVDT, strain gauge and load cell, respectively. Test results show a significant reduction in the load-carrying capacity and ductility index of unstrengthened specimens compared to SSWM wrapping specimens under torque developed by eccentric loading. Even failure mechanisms, specifically plastic hinge formation, are also affected due to the strengthening of the specimen. The finite element model is developed to understand the behaviour of test specimens and compare the results with experimental studies. The failure pattern, load-displacement and torque-twist response from numerical studies well simulate the response of test specimens observed during the experimental study.
