Answer / k chiranjeevulu

to remove shuttering after 14 days

Answer / sasi

after 14 days

Answer / mahendra mohan srivastava

hallo my dear friendrs
If slab is less then 4.5 m then we remove shuttring after 7
days and if grater then 4.5 m then we remove shuttring
after 14 days not the strength of concrete.

Answer / koti reddy allu

Hi Veeramani, it's Reddy here. First of all the basic
criteria for De shuttering is 1. Type of formwork i.e.
Vertical Form work for Columns, Soffit form work for
Slabs/Bems etc 2. The Effective Span of the member

Deshuttering period neither depends on Grade nor Depends on
Curing period according to IS 456 - 2000.

Answer / baskar

7 days

Answer / nagori salim

Completely depends upon Grade of Concrete

Higher the Grade, Lesser will be the period for deshuttering

Answer / tanvir , faridabad

it should be removed in 28 days in winters , in summer it
can be open in 22 days

Answer / veeramani amanthan

what will be the concrete strength attained in 7, 14, & 28
days please clear

Answer / vipin sharma

As per IS 456:2000, the slab shuttering can be removed
after 3 days but immediate after removal of shuttering
proping of the slab need to be done and for beam the
shuttering can be removed after 7 days subject to proping.
Advisable
slab shuttering removal- 7days
Beam bottom less than 6 meter- 14 days
Beam bottom greater than 6 meter- 21days

Answer / s.prabhu

as per IS456 Centering deshuttering period is depends upon
the span of the beam / slab.

Span less than or equal to 3m is 14days

Span more than 3m is 21 days.



Regads
S.PRabhu
9901702081

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