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The reinforced concrete beam with lightning protection cable used in this research to determine the stress intensity and crack pattern of the beam. In this research, commercially available software developed by ANSYS used to model the nonlinear behaviour of reinforced concrete beams. The beam will model by using the ANSYS parametric design language (APDL). The beam structure was modelling in 3D geometry with the reinforcement steel bar and lightning cable embedded in the reinforced concrete beam structure. The material uses to develop the beam are Grade 30 concrete and high yield steel for main reinforcement. The material for lightning cable used was galvanized steel iron, which is highly resistance to corrosion and oxidation. The beam model in simply supported with pinned support at two end of beam and three-point load is applied. From the result beam added with lightning cable at bottom can sustain a higher stress intensity compare to the beam without additional lightning cable and beams without lightning cable have developed largest crack compared to the beam with lightning cable.

Stress Intensity and Crack Pattern of Reinforced Concrete Beam Embedded With Lightning Protection Cable