In the shown structure obtain the natural periods in both x and y directions, assuming the...
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In the shown structure obtain the natural periods in both x and y directions, assuming the mass of the roof to be 800 kg/m², modulus of elasticity of the materials to be 2,100,000 kgf/cm², moment of inertia of each of the four columns to be 900 cm² in both x and y directions, and the cross-sectional area of each of the cable bracing elements to be 2.5 cm². Neglect the weight of columns and cables comparing to the weight of the roof. 4m In the shown structure obtain the natural periods in both x and y directions, assuming the mass of the roof to be 800 kg/m², modulus of elasticity of the materials to be 2,100,000 kgf/cm², moment of inertia of each of the four columns to be 900 cm² in both x and y directions, and the cross-sectional area of each of the cable bracing elements to be 2.5 cm². Neglect the weight of columns and cables comparing to the weight of the roof. 4m
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