A beam of span 6.80 meters has a 1.80m overhang at the right support, carries a superimposed dead load of 50kN/m and a live load of 5.30kN/m all throughout the beam. It is made up of 350mm by 400mm concrete with 4D20mm reinforcement. If concrete strength is 24MPa, fy=420MPa and fyt=280MPa. Assume a concrete cover of 40mm and D10mm stirrups. a. Using the detailed calculation for V_c, determine the concrete shear strength at 0.40m from the left support. b. Using the detailed calculation for V_c, determine the concrete shear strength at 0.60m from the left support. c. Using the detailed calculation for V_c, determine the required spacing of stirrups at 0.60m from the left support.
A beam of span 6.80 meters has a 1.80m overhang at the right support, carries a superimposed dead load of 50kN/m and a live load of 5.30kN/m all throughout the beam. It is made up of 350mm by 400mm concrete with 4D20mm reinforcement. If concrete strength is 24MPa, fy=420MPa and fyt=280MPa. Assume a concrete cover of 40mm and D10mm stirrups.
a. Using the detailed calculation for V_c, determine the concrete shear strength at 0.40m from the left support.
b. Using the detailed calculation for V_c, determine the concrete shear strength at 0.60m from the left support.
c. Using the detailed calculation for V_c, determine the required spacing of stirrups at 0.60m from the left support.
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