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Concrete cover (slabs)
Based on AS3600 2018(+A2)

Table of Contents

Exposure classification

Environment   Classification
Interior Residential A1
  Non-residential A2
  Industrial (subject to wetting) B1
Exterior Inland arid A1
  Inland temperate A2
  Inland topical or industrial B1
  Near coastal (1-50 km) B1
  Coastal B2

Inputs

Exposure classification, Top: Btm:

Fire resistance period, FRP

Concrete strength, f'c

Slab depth, D

Post tensioning

Strand diameter, dp

Duct height

Top cover to duct

Bottom cover to duct

Bottom cover to pan (CL 100 below top)

Cover

Cover (corrosion), Top: Btm:

Axis dist. (fire)