Abstract

Steel structural members use many types of material sections and a wide range of sizes. Among them, Angle steel is more economical than I-type due to the use of materials, and is usually used for beam web support and diagonal support. Therefore, this study will analyze the eccentric axis strength change of L-shaped angle steel under the action of biaxial bending moment. The angle steel is divided into equilateral angle steel and unequal angle steel, and the calculation of unequal angle steel is the most complicated. Due to the asymmetry of the axial force, when the angle steel bears an axial force, it will cause eccentric load, which makes it the bending moment caused by the angle steel will change the structure. Therefore, in this study, an unequal-sided angle steel with a length of 10 ft. L8 × 4 × 7/16 was selected as the research object, and the eccentric strength changes of the strong and weak axial forces of the angle steel were analyzed.

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