Reinforcement detailing of Columns from ETABS output

ANS:-

PROCEDURE:

• Open the Given Model
• Model open in etabs software
• Check the model

• Column Analysis
• Select the column intersection 3A & 3B from terrace to foundation
• Click on run analysis it will show the max. & min. deflection at the bottom

• Reinforcement Detail
• Click on concrete frame design icon
• It will show the longitudinal reinforcement of the column
• Select the elevation view along the grid 3
• Drop down the icon concrete frame design and click on display design info
• Select shear reinforcement in display concrete frame design

• Reinforcement Design
• Longitudinal reinforcement & shear reinforcement of column at Grid-3A & 3B from ETABS (450X650)

• Storey Elevation of column

• Special confining reinforcement from IS-13920-2016(Clause 8.1)
• Lo not less than
• Larger column dimension
• 1/6 of clear span of column
• 450 mm
• Confinement spacing not more than
• ¼ of smaller column dimension
• 6 times of dia of column main bar
• 100mm

The amount of confinement rebar

• Ash=169mm2

• Typical column reinforcement section and elevation for grid 3A & 3B
• Provide some additional confining reinforcement 8mm @100mm C/C
• Used 8mm dia stirrups at 200mm spacing in center
• Used 2 closed stirrups (2legged) and 1 open link (stirrups)