Design the reinforcement of the section shown. For concrete, fc' = 21 MPa and for steel, fy = 275 MPa. Beam section has a width of 250 mm and a total depth of 500 mm. The steel cover is 70 mm. a. WD = 5 kN/m (including beam weight), WL = 6 kN/m b. WD = 2 kN/m (including beam weight), WL = 1 kN/m c. WD = 15 kN/m (including beam weight), WL = 26 kN/m

A simply supported rectangular beam of length L has a width of b and an effective depth of d. Compression steel bars are placed at a distance d' from the extreme concrete compressive fiber. The beam supports service dead loads of wD and wl, respectively. Use fc'= 28 MPa and fy = 420 MPa. For the reinforcements, use 4 20 mm tension steel bars and 4 10 mm compression steel bars. b= 390 mm d= 615 mm d'= 165 mm L= 5.85 m Wd= 27.79 kN/m WI= 32. 25 KN/m Questions 1. Calculate the height of the neutral axis measured from the extreme compression fiber. 2. Calculate the strength reduction factor for the given beam. B. Calculate the design moment for the given beam.

In a given T-Beam, flange width = 700 mm, slab thickness = 100 mm, web thickness = 350 mm, effective depth = 450 mm. It is singly reinforced at the bottom side (tension side) with As = 2775 sq. mm. Take fc' = 17.24 MPa, fy = 413.7 mm. a) Determine the value of compression block "a"

As shown in the figure, a 3m-long cantilever beum is subjected to a uniformly distributed dead load, we-1.S t/m. It is know that f = 20MP. fy =420 MPa, and 4, = 1800 mm. Please find the maximum allowable uniformly distributed live load, wt is assumed that the unit weight of concrete is we24 t/m. -300m-