Describe the different stages of fatigue.
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- How does the Elastic rebound results?25) Calculate the tensile steel stress of 5-16-mm-dia rebars in a concrete beam 220 mm by 480 mm at ultimate stage if f'c = 22 MPa and fy = 420 MPa. Express your answer in whole number.The grains of wood in the board make an angle of 20° with the horizontal as shown. The board is subjected to an axial load of P = 250 N . (Figure 1) Part A Determine the normal stress that acts perpendicular to the grains. Express your answer to three significant figures and include the appropriate units. µA Value Units Figure 1 of 1 Submit Request Answer Part B 300 mm Determine the shear stress that acts parallel to the grains. 60 mm Express your answer to three significant figures and include the appropriate units. 20° 25 mm HẢ ? Value Units P Pearson
- Discuss the different sources of size effect. Describe energetic size effect in fractureusing two different sizes of a plate with a center notch. Explain the significance of platethickness.What chemical compounds contribute to early strength gain?Discuss about the vibration equation for tendons and its reactions with concrete?
- Question: Calculate the tensile steel stress of 5-16-mm-dia rebars in a concrete beam 240 mm by 450 mm at ultimate stage if f'c = 26 MPa and fy = 420 MPa. Express your answer in whole number.100 types of steel failuresThe grains of wood in the board make an angle of 20° with the horizontal as shown. The board is subjected to an axial load of P = 300 N. (Figure 1) Part A Determine the normal stress that acts perpendicular to the grains. Express your answer to three significant figures and include the appropriate units. µA Value Units Submit Request Answer Figure < 1 of 1 Part B Determine the shear stress that acts parallel to the grains. Express your answer to three significant figures and include the appropriate units. HA -300 mm 160 mm Ta'y = Value Units 20° 25 mm1 Submit Request Answer