Slabs, beams, columns De-Shuttering (form work removal period & props/jacks removal)

Given details

*Minimum De Shuttering Period for Form Work According to IS:456 in these conditions:
(1) if Used Opc Cement (Grade of Concrete)(m45)
(2) Adequate Curing is done.(min 7days)
(3) Ambient Temperature Not fall 20 c and not more than 32

MINIMUM TIME PERIOD OF DE SHUTTERING ARE FOLLOWING BELOW

1)Verical Form work of columns beams and slab shall be remove 16 hours to 24 hours minimum
Sofit forrm work to slab should be remove minimum after 3 days(Note Props to be refixed immediately after removal of form work)
3)sofit form work to beam should be remove minimum after 7 days(Note props to be refixed immediately after removal of form work)

Props left under slab can be removed after,
(i) Spanning upto 4.5m props can be remove minimum after 7 days..
(ii) Spanning over 4.5m props can be remove minimum after 14 days.

Props left under beam can be removed after,

(i) Spanning upto 6m props can be remove minimum after 14 days..
(ii) Spanning over 6m props can be removed after 21 days..

* Concrete Slump Value according to is 456 (75mm - 100mm)

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