A 400 * 300 mm rectangular column is reinforced with four No.36 bars, one in each corner, with cover distances 65 mm to the steel center in each direction Material strengths are f_{c}' = 35 MPa and f_{y} = 420MPa Construct the interaction diagram relating axial strength P_{n} and flexural strength M_{n} Bending will be about an axis parallel to one face Calculate the coordinates for P_{0} P_{b} and at least two other representative points on the curve.
A 400 * 300 mm rectangular column is reinforced with four No.36 bars, one in each corner, with cover distances 65 mm to the steel center in each direction Material strengths are f_{c}' = 35 MPa and f_{y} = 420MPa Construct the interaction diagram relating axial strength P_{n} and flexural strength M_{n} Bending will be about an axis parallel to one face Calculate the coordinates for P_{0} P_{b} and at least two other representative points on the curve.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 400 * 300 mm rectangular column is reinforced with four No.36 bars, one in each corner, with cover distances 65 mm to the steel center in each direction Material strengths are f_{c}' = 35 MPa and f_{y} = 420MPa Construct the interaction diagram relating axial strength P_{n} and flexural strength M_{n} Bending will be about an axis parallel to one face Calculate the coordinates for P_{0} P_{b} and at least two other representative points on the curve.
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Step 1: Introducing Given data
VIEWStep 2: Calculation of Pure axial load (P0)
VIEWStep 3: Balanced condition
VIEWStep 4: Calculation of Balanced load (Pb)
VIEWStep 5: Calculation of Balanced moment (Mb)
VIEWStep 6: Pure moment condition (Pure bending)
VIEWStep 7: Calculation of Cs1 & Cc for pure bending
VIEWStep 8: Calculation of pure moment (M0)
VIEWStep 9: Pure tension Condition
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