Answer / v.kapil

Concrete get its 50 % strength in 3 days and 66.6% in 7 days
with OPC grade of cement, we designed our structure for
full load including of factor of safety but actually such
loads never come structure in its whole life span, only 40-
50% loads ware accoured during construction so we can
remove our form work after 7-10 days but after confirmation
of cube results of 7 days.

Answer / binu

concrete acheives its 60% strength in
7days and hence its considered safe to
deshuttter.

Answer / mhbkpr

We cannot deshutter in all type of concrete works. for e.g
footing, plinth, beam sides like we can remove within this.
But roof slab likes we need provide back proping before
removing.

Answer / m.haseeb yaquobi

becuase it reache more then 50% of its full strenght

Answer / saif raza

As deshuttering period is desrcibe in IS code for diffrent
structural member.
for deshutering purpose minimum strength required is
between 65 to 75% & concrete gain more then 65% atseven
days so it is safe to remove.

Answer / ankit

concrete achive its full stenghth in 28 days.while minimum
strength accrd. IS CODE is 7day strngth.
in field where the cost of construction is low,
shuttering / formwork is many a times removed even after
two to three days.only intial strenght matters.

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