The minimum thickness of steel of the tension members exposed to weather and not accessible is -

Jayant Joshi

Senior Member
The minimum thickness of steel of the tension members exposed to weather and not accessible is -

(a) 4.5 mm

(b) 6 mm

(c) 8 mm

(d) 10 mm.


Ans can be 6 mm
But I keep 8 mm as our plants are highly corrosive, as well as near coastal area.