Sep 25, 2018 6:08 pm
I couldn't find an answer when I searched google
My friend is a form-worker and he asked me how can we find roughly number of H frames (link below showing dimensions as well)
) that are required for an area ?
https://www.victoriascaffolding.com.au/ ... frame-set/
Those frames would be used to support plywood sheets for a slab before pouring concrete similar to the below link
https://www.shutterstock.com/image-phot ... BgPvA-1-14
Re: Find number of formwork steel H frames that are required2
Sep 26, 2018 1:52 am
I believe you can support using standard acrow props - it will be more economical, eg
Structural engineer should be able to calculate the distance for propping based on acrow prop max load and weight (thickness) of the slab
Re: Find number of formwork steel H frames that are required4
Sep 26, 2018 9:13 am
I would say those temporary props are there to support concentrated construction Loads
There are Australian Standards for formwork
Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs
https://plus.google.com/u/3/communities ... 1476023758
Re: Find number of formwork steel H frames that are required6
Sep 29, 2018 1:36 am
Credit goes to cyclic
Fairly simple math really.
If a frame is 1.8 meters and has a gap to the next frame of 1.5 meters, then a frame covers 3.3 meters, so, length of deck in meters divided by 3.3 meters = number of frames +1 for the extremity..
Same for width of deck, then multiply the 2 answers.
eg deck is 30 meters x 22 meters.
30 divided by 3.3=9.09+1 for the extremity=10 frames covers 33 meters.
22 divided by 3.3=6.6+1 for the extremity = 7 frames covers 23.1 meters.
So 10 for length multiplied by 7 for width = 70 frames is a rough calculation.
Or am I missing something ???
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