A baseline was measured using a 100m tape which is standardized 15oC with a standard pull of 10kg. The recorded distance was found out to be 430.60 meters. At the time of measurement the temperature was 20oC and the pull exerted was 16 kg. Determine the true length of the base if the weight of one cubic cm. of steel is 7.86 gr. Weight of tape is 2.67kg, E = 2 x 106 kg/cm2, K = 7x10-7 m/oC.

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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.