Challenge

Reinforcement detailing of Columns from ETABS output

The ETABS file for a G+4 building is provided. Run the analysis and design the RCC Moment Resisting Frame. The following challenge deals specifically with two columns at the following grid intersections.

  1. 3A
  2. 3B
  • Provide details of longitudinal reinforcement for the two columns, from foundation to terrace level. Sketch the column cross sectional & elevation details or draft it using autocad software. 
  • Show shear reinforcement & lapping details as per special confining reinforcement provision of clause 8.1 of IS 13920 - 2016. 

Minimum Longitudinal Reinforcement as per IS-456 2000 As = 2340mm2

Minimum shear reinforcement as per Is 13920-2016 8mm dia at 300 mmspacing

Development Length as per Is 456 2000 Ld = 41*diameter of the bar

Longitudinal Reinforcement

Shear Reinforcement

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