Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN: 9781305084766
Author: Saeed Moaveni
Publisher: Cengage Learning
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Chapter 15, Problem 20P
To determine

Calculate the determinant of matrix [A]and[B] using MATLAB.

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A2.3- a simply supported reinforced concrete beam of rectangular cross-section is shown in Figure 3. The beam supports a uniform dead load of 20 kN/m (excluding the beam self-weight) and a uniform live load of 20 kN/m. The beam width is restricted to 400 mm. The maximum aggregate size is 20 mm. We are using 10M bars for stirrups and 25M bars for tension steel. Concrete is type N with f'c = 35 MPa and fy = 400 MPa. The beam needs to have 2hr fire rating. Design the beam for the given load, considering the reinforcement ratio p < 0.5 pb Figure 3 WDL = 20 kN/m WLL= 20 kN/m 8.0 m
A2.2- For the given reinforced concrete section shown in Figure 2, a) Determine the balanced reinforced amount for this section; b) Calculate the ultimate moment resistance of the section if As = 8-20M. What is the mode of failure? c) Calculate the ultimate moment resistance of the section if As = 8-30M. Determine the strain in the steel reinforcement. Given: fc 30 MPa fy = 400 MPa 625 mm 500 mm + + *. 400 mm Figure 2
A2.1- For a reinforced concrete beam (typical cross-section is shown in Figure 1), a) Determine the maximum moment that this beam can resist before cracking; b) Determine the beam moment of inertia after cracking. Given: The beam is reinforced with 4-25M longitudinal bars f'c = 35 MPa fy = 400 MPa 600 mm 530 mm + * 400 mm * Figure 1
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