The composite section shown in the figure is made up of C 15 x 40 and S 24 x 121. Determine the properties of composite section. a.Ix, Sx and rx b.Iy, Sy, and ry

Deteremine the location of the centroid (a and y axis) of the composite body from the x-axis as shown below, all units are in mm. The diameter of the big circle is 600mm.

Determine the moment of inertia of the composite are shown about x axis.

A composite assembly consisting of a steel (G - 80 GPa) core (2) connected by rigid plates at the ends of an aluminum [G - 28 GPa) tube (1) is shown. The cross-sectional dimensions of the assembly are shown in the sscond figure. AssumeL- 280 mm, D, - 60, d. - 39 mm, d,- 23 mm. Ifa torque of T-700 N-m is applied to the composite assembly, determine (a) the maximum shsar stress in the aluminum tubs and in the steel core. (b) the rotation angle of end Brelative to end A Dy Answars: (al Falum MPa Tsteel = MPa (b) P - PA = rad

A bar having the cross section shown has been formed by securely bonding brass and ahumimum stock. Using the data given below, determine the largest permissible bending moment when the composite bar is bent about a horizontal axis. Aluminum Brass SO GPa Moduhus of elasticity Allowable stress 100 GPa 100 MPa 160 MPa M = kN-m 20 mm 20 mm Aluminum 20 mm Brass 46 mm 20 mm 46 mm

A composite bar BCD has a uniform external radius R. = 10 cm. Segment BC is solid steel, while segment CD is composed of a copper core of radius R,= 1cm bonded inside a steel sleeve. The lengths of the two segments are Lec= 2 m and Lco= 1 m. The material moduli are Esteel = 200 GPa and Ecopper= 100 GPa. The bar is fixed at B and %3D tensile loads are applied at section D (Fo= 1000 kN) and at section C (Fc= 400 kN). Compute the following: Determine Total elongation of the assembly in mm. 2m 1m 400 KN 1000 KN

A composite bar BCD has a uniform external radius R. = 10 cm. Segment BC is solid steel, while segment CD is composed of a copper core of radius R,= 1cm bonded inside a steel sleeve. The lengths of the two segments are Lsc= 2 m and Lco= 1 m. The material moduli are Esteel= 200 GPa and Ecopper= 100 GPa. The bar is fixed at B and tensile loads are applied at section D (Fo= 1000 kN) and at section C (Fc= 400 kN). Compute the following: %3D Determine Axial stress of copper in segment CD in MPa. 2m 1m 400 KN 1000 KN

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Determine the centroidal moments of inertia of the symmetrical beam cross section shown. Determine both T & Ty about axes that pass through the centroid of the composite figure. The horizontal components are 1" x 8" The vertical components are 1" x 6"

A composite bar consists of aluminum and steel is held by rigid supports as shown. At 57°C, an axial load of 220 kN is applied to the assembly. Determine the stresses in each of the component when the temperature is raised to 112°C. Based on laboratory results for steel, E = 210 GN/m?, a = 24x106/C, and for aluminum, E = 70 GN/m?, a = 11.8x10- 6/°C. STEEL Ø = 15cm? ALUMINUM Ø= 1Ocm? 220 kN -100 mm 150 mm Activa Go to S