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Reinforced Concrete Design II. Lecture 7. Dr. Nader Okasha. Analysis and Design of Short Columns for Axial Load and Moment. Interaction diagrams:. The shape of interaction diagrams:. Between A and B: Axial load carrying capacity decreases linearly with increasing moment load.

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## Reinforced Concrete Design II

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**Reinforced Concrete Design II**Lecture 7 Dr. Nader Okasha**Analysis and Design of Short Columns for Axial Load and**Moment**Interaction diagrams:**The shape of interaction diagrams: Between A and B: Axial load carrying capacity decreases linearly with increasing moment load. Between B and C: Moment carrying capacity increases with increasing axial load.**Interaction diagrams:**The shape of interaction diagrams:**Interaction diagrams:**The shape of interaction diagrams:**Interaction diagrams:**Design interaction diagrams:**Interaction diagrams:**Design interaction diagrams:**Interaction diagrams:**Design interaction diagrams:**Interaction diagrams:**Design interaction diagrams:**Interaction diagrams:**Dimensionless interaction diagrams:**Design procedure for a short column**Use of interaction diagrams:**500KN.m**250KN.m Design procedure for a short column Example 1 Design reinforcement for a 400 mm x 500 mm tied column. The column, which is part of a braced frame, has an unsupported length of 3.0 m. It is subjected to a factored axial load of 2400 kN in addition to a factored bending moment as shown.**Note to use the last Instruction diagrams (English units)**divide and By 7.0**Design procedure for a short column**Example 2**Design procedure for a short column**Example 2 20**Design procedure for a short column**Example 2**Design procedure for a short column**Example 2

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