A steel tire has a dimensions indicated in the figure below. At 78 degrees Celsius, the said tire was fit into a 1.8m to an engine wheel with 24 degrees Celsius. Calculate the contact pressure between the tire and the wheel after fitting together due to colling of 24 degrees Celsius. The coefficient of expansion due to temperature of the tire is 12.3 micrometer/ m- degrees Celsius and Modulus of Elasticity is FN GPa. 12 mm EN=70 200 mm MN=76 900mm wide steel tire+ SN=50 12 mm Note: Neglect the deformation of the wheel due to the pressure of the tire

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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.