(NOS 1-7) A tied column 600 mm x 600 mm x 4.50 m. carries an unfactored dead load of 2080 KN and an unfactored live load of 1900 KN. Use fc' = 28 MPa and fy = 420 MPa and 32 mm o bars. 1) What is the unfactored weight of the column itself in KN? 2) What is the total factored load carried by the column in KN? 3) What is the steel ratio in 4 decimal places? 4) What is the area of reinforcement in mm2 ? Use Pg in 4 decimal places. 5) How many 32 mm o bars are used? 6) What is the actual clear spacing in mm ? 7) What is the spacing of ties in mm ?

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