REBAR DETAILING OF FOUNDATION

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 Foundations 

SCOPE: 

 Pile cap 

 Pad 

 Strip footing 

 Raft 

 SOG (SLAB ON GRADE)

DETAILING STANDARDS: 

Nominal Cover to Reinforcement:

Internal : (25mm or bar size) + ΔCdev (5 or 10mm) 
External : 35mm + ΔCdev (5 or 10mm) 
Earth face : 45mm + ΔCdev (5 or 10mm) 
Bottom cover for Piled foundations : 100mm (or 75mm) 

Spacing and Size of bars: 

Minimum spacing : 75mm (at laps) 
Maximum spacing : 300mm 
Minimum bar size : 16mm (Except for lacers)

Bar arrangements: 

TYPICAL PILE CAP BAR ARRANGEMENT




ALTERNATE METHOD OF TWO PILE CAP


ALTERNATE METHOD OF THREE PILE CAP






Pad Footings:





Strip footings: 

    

Raft:




Starters from Foundations: 

 



Steps in Foundations:



Recess in Raft or Slab: 




 SOG: (SLAB ON GRADE)


Corner Details for Edge Thickening:


Side Bars Arrangements Edge Thickening:


 Slab Thickening Sections:



Where,
T A is Tension anchorage
T L is Tension Lap

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