3. Carry out the following two set of calculations and bring your neat solution sheets to the lab session. These will be kept by your demonstrator - please print your name and student number on each sheet, assume that the concrete average strength f. = 40MPa and characteristic strength fe'=30MPa: a. Predict the loading capacity for the under-reinforced beam (Fig. 2a) and the shear capacity (Fig. 2b) using the equations on Page 9 in "RC beam bending Lab.pdf". Hint: calculate the moment and shear capacities first using the equations, then draw the SFD and BMD to find the relationship between the failure moment/shear force and the applied load; b. Repeat the same calculations by using the average material strength without any partial safety factors, i.e. the concrete compressive force Fc =0.8xbfc and steel tensile force F₁ = f A.

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3. Carry out the following two set of calculations and bring your neat solution sheets to the lab session. These will be kept by your demonstrator - please print your name and student number on each sheet, assume that the concrete average strength f. = 40MPa and characteristic strength fe'=30MPa: a. Predict the loading