A simply supported beam carries a uniformly supported load. It has a span of 8.6 m and an effective depth of 670 mm. The beam is reinforced with 6- 28 mm dia bars. Assume that there is no excess steel area required that is As furnished is equal to As required. Use normal weight concrete. The 12 mm dia stirrup of the beam which has a spacing extends of 230 mm to the end of the beam support. Use we = 1.2. The fc = 29 3 MPa, fy = 414.5 MPa. Width of beam is 410 mm. Use clear covering of 40 mm. Determine the following: (1) the minimum distance from the centerline of the span to the cut off of the first two bars using NSCP provisions. (2) the minimum distance from the centerline of the span to the cut off of the next two bars using NSC provisions. (3) Determine the required tensile development length using the Id formula.
A simply supported beam carries a uniformly supported load. It has a span of 8.6 m and an effective depth of 670 mm. The beam is reinforced with 6- 28 mm dia bars. Assume that there is no excess steel area required that is As furnished is equal to As required. Use normal weight concrete. The 12 mm dia stirrup of the beam which has a spacing extends of 230 mm to the end of the beam support. Use we = 1.2. The fc = 29 3 MPa, fy = 414.5 MPa. Width of beam is 410 mm. Use clear covering of 40 mm. Determine the following: (1) the minimum distance from the centerline of the span to the cut off of the first two bars using NSCP provisions. (2) the minimum distance from the centerline of the span to the cut off of the next two bars using NSC provisions. (3) Determine the required tensile development length using the Id formula.
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