Assignment-1: Consider the structure shown in the following Figure, which was designed to support a 55-kN load. It consists of a beam AB with a 30 × 50-mm rectangular cross section and of a rod BC with a 45-mm-diameter circular cross section. The beam and the rod are connected by a pin at B and are supported by pins and brackets at A and C, respectively. Neglect the mass of the beam and rod. 1. Calculate the reaction supports at A and C. 2. Calculate the internal forces of beam AB and rod BC. () 3. Can rod BC safely support the load to which it will be subjected? (Assume that rod BC is made of annealed copper with a maximum allowable stress σall = 125 MPa).
Assignment-1: Consider the structure shown in the following Figure, which was designed to support a 55-kN load. It consists of a beam AB with a 30 × 50-mm rectangular cross section and of a rod BC with a 45-mm-diameter circular cross section. The beam and the rod are connected by a pin at B and are supported by pins and brackets at A and C, respectively. Neglect the mass of the beam and rod. 1. Calculate the reaction supports at A and C. 2. Calculate the internal forces of beam AB and rod BC. () 3. Can rod BC safely support the load to which it will be subjected? (Assume that rod BC is made of annealed copper with a maximum allowable stress σall = 125 MPa).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Assignment-1: Consider the structure shown in the following Figure, which was designed to support a 55-kN load. It consists of a beam AB with a 30 × 50-mm rectangular cross section and of a rod BC with a 45-mm-diameter circular cross section. The beam and the rod are connected by a pin at B and are supported by pins and brackets at A and C, respectively. Neglect the mass of the beam and rod.
1. Calculate the reaction supports at A and C.
2. Calculate the internal forces of beam AB and rod BC. ()
3. Can rod BC safely support the load to which it will be subjected? (Assume that rod BC is
made of annealed copper with a maximum allowable stress σall = 125 MPa).
4. What will be the appropriate diameter of rod BC? (Assume that if rod BC is made of an
aluminum with a maximum allowable stress σall = 155 MPa).
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