General
The design of rectangular RCC column for axial load and uniaxial bending is carried out using Pu-Mu Interaction Diagrams using SP 16. For axial compression and biaxial bending the procedure is to use the above mentioned Interaction diagrams to calculate limiting uniaxial bending moment( Muxl and Muyl) about each axes separately for given Pu and to satisfy inequality equation of IS-456 i.e. (Mux / Muxl) a + (Muy / Muyl) a < 1.
Design of Columns using 'SP 16'
In SP 16, Pu-Mu interaction charts are presented for steel grade Fe 250, Fe 415 and Fe500 for
d’/D = 0.05, 0.1, 0.15 and 0.2 . The reinforcement arrangement is idealized as :
1. Reinforcement on two opposite faces : Chart No. 27 to 38
2. Reinforcement on all four faces equally distributed : Chart No. 39 to 50.
Design of Columns using 'SP 16'
In SP 16, Pu-Mu interaction charts are presented for steel grade Fe 250, Fe 415 and Fe500 for
d’/D = 0.05, 0.1, 0.15 and 0.2 . The reinforcement arrangement is idealized as :
1. Reinforcement on two opposite faces : Chart No. 27 to 38
2. Reinforcement on all four faces equally distributed : Chart No. 39 to 50.
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Code
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