PROBLEM No. 2 Two steel pipe columns (E = 200,000 MPa, A1 = 1800 mm², A2 = 2000 mm²) support a rigid beam AC that has a 3.6 m overhang AB. The beam supports a linearly varying load of maximum intensity w = 75 kN/m as shown in the figure. Neglect the weight of the beam AC, and assume that the beam is supported on the two columns such that it transmits load to each column as an axial load. Determine the vertical displacement at end A of the beam, in column 1 at B and column 2 at C. Answer in mm. kN 75 m В - "Rigid" |(1) 2.4 m (2) 3.6 m 3.6 m

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Alloys

An alloy is an admixture of two or more metals or a metal and a non-metal. Since ancient times, man has been using alloys. Alloying helps to retain the properties of the parent matter, such as hardness, strength, toughness, ductility and is corrosion-resistant. Copper alloys such as brass have antimicrobial properties that help to fight against (Coronavirus disease 2019) COVID-19 and other hospital-acquired infections. Some common alloys are brass, bronze, solder steel, etc. Most alloys have a lower melting point than their constituents. This is due to the presence of a nonmetal as one of the constituents that behaves as an impurity and restricts the raise of melting point.