Strengthand Buckling Analysis of Sliding-Door Housing of Busway
Keywords:busway, double H model frame, critical load, Von Misses stress
Frame, double H model (DHF) was considered to use as housing of sliding door frame of busway. To insured that this frame is strength and stable enough to support roof weight of busway, an analysis using Ansys program was conducted. The overall dimension of this frame is 3950 mm width and 1850 height. The DHF frame was designed using square hollow pipe 60x40 mm, 2 mm thickness and designed using structural steel with minimal yield strength of about 175MPa. Total vertical load about 5000 N and total moment about 1000 Nm, caused by roof weight were acted on the top of the DHF frame.Â Two loading conditions namely L1 and L2 were test. In the L1 condition, the total force 5000 N and total moment about 1000 Nm were loaded at four points on the top of DHF frame while in the L2 condition, the total force 5000 N and total moment 1000 Nm were loaded at eight points at the top of the DHF frame. Result showed that, for all loading condition, the DHR frame will unstable at critical load about 23000-27500 N, higher than the applied load. Von Misesstresses about 120Mpa lower than yield strength of materialfor both model were found. These indicated that the DHF Frame was strength and stable enough to withstand roof weight.
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