Situation 9: A floor system consist of a 100-mm concrete slab supported by continuous T-beam s with 9 m span 1.2 on centers as shown in figure. Web dimensions as determined by negative moment requirements, are bw = 280 mm and d = 500 mm. Concrete cover is 70 mm from centroid of the bars. The beam is subjected to a maximum positive factored moment of 1080 kNm. Use f'c = 21 MPa, fy 415 MPa. Unit weight of concrete is 23.5 kN/m. Use NSCP 2010 Provision =0.9 for all cases 31. Which of the following will be the effective width of flange as specified in the NSCP 2010 2250 mm 1880 mm 1000 mm 1200 mm 32. Calculate the required tension steel area at the point of the maximum positive moment and the required compression steel area 6490 mm² 7387 mm² 6789 mm² 7712 mm² 33. Using tributary area method, what is the uniform load service dead load acting on the beam 5.19 kN/m 5.91 kN/m 5.71 kN/m 5.17 kN/m 34. Calculate the uniform service live load on the beam 195.6 kN/m 193.2 kN/m 183.4 kN/m 177.8 kN/m

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