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Code Minimum Reinforcement

  • The structural system (as defined in the design section or design strip segment) is considered (beam, one-way slab, two-way slab).
  • The reinforcement type (as defined in the design section or design strip segment) is considered (PT or RC).
  • The placement of the reinforcement is based on the "min. reinforcement location" selection for the design strip segment or design section:
    • Elevated Slab – Reinforcement is at top near supports and bottom near midspan.
    • Mat Foundation – Reinforcement is at bottom near supports and top near midspan.
    • Tension Face – Reinforcement location is determined by the design moment envelope for the rule set (reinforcement may be required on both faces).
    • Top – Reinforcement is always located at the top of slab (Engineer discretion advised)
    • Bottom – Reinforcement is always located at the bottom of slab (Engineer discretion advised)
    • None – No reinforcement is provided (Engineer discretion advised)
  • Code Rules are applied as shown in the following table.
Table 1. Minimum reinforcement rule mapping

Design System

RC PT
UK National Annex    

Beam

9.2.1.1

TR-43 5.8.8

One-Way Slab 9.3.1.1

TR-43 5.8.8

Two-Way Slab 9.3.1.1

TR-43 5.8.8

Generic National Annex

   

Beam

9.2.1.1 9.2.1.1(1) and unbonded PT Beams 9.2.1.1(4)
One-Way Slab 9.3.1.1 9.3.1.1
Two-Way Slab 9.3.1.1 9.3.1.1