How many days curing for columns?

 7 days twice day and night

Min period is 7 days and if possible you can extend upto 28 days.It also depends on the curing technique we choose (Wet hessian cloth , Curing compund etc)

7 days...............................

 in general cases7 days ......................

7 days for 50% strength .But for getting more strength need 28 days curing

There is 28 day curing columns

minimum requiremnt is 7 days . 

Depanding on the kind of curing technique used. if normal watering is used, then 7 days minimum and left for 14-28 days prior to removing form depnending on the load on the column and its design 

7 days untill the form work is removed..28 days in total

Minimun 7 days in normal condition

minimum Curing period is 7days