Lazy Sod
Member
- Location
- Warminster Wiltshire
How do I calculate the maximum load that can be applied to a horizintal RSJ which is 7.6 metres long and 200mm x 200mm x 10mm in section?
What weight per metreHow do I calculate the maximum load that can be applied to a horizintal RSJ which is 7.6 metres long and 200mm x 200mm x 10mm in section?
seems a silly thing to do use a column section where a beam should be?
the Ixx (second moment of area is the strength for bending) I bet a lighter beam section would have a similar value to them column sections.
is the beam bolted to other steels or is it built on pad stones and walls as i think the supporting ends will be a concern than the deflection of the beamI've no idea. The beam is supporting a mezzanine floor in my barn which was put in by a tenant . The reason for my enquiry is that I wish to fit a beam trolley and a chain hoist to the RSJ.
It shouldn't be too difficult for me to estimate the current load on the beam, by finding out the volume and density of the timber used for the floor joists and that of the MDF flooring, then making an allowance for the likely weight of the material that I might store up there.
Thanks for that. As measured off a ladder with a fairly worn tape measure, it doesn't seem to fit any of the sizes quoted above. In section, my beam is not like the sort of RSJ that I am used to, in that the flanges do not taper towards the edges but are parallel sided, which I imagine is easier on the trolley wheels.
The heavier weights in the section size will be bigger than the noted size (203) as the extra flange thickness goes on the outside as the web stays constantIt sounds to me as though you may have a column then if it is squared - plus they normally do not the the normal tapered flanges like the normal Rolled Steel Joist have.
You may find it is a 203 x 203 (nominal size steel), as the tooling can be out slightly from the nominal to give a variation.
Are you able to use a vernier or a more accurate way on the end section to measure the flange, web etc?
Your connection to the uprights will be your weakest point, whats the connection like and how many bolts are there ?
sounds as if he has,Would be ideal if it is a full end plate with 4x m20 boltsI'll have a look tomorrow.
The chap who installed it is a builder. I have asked him if he did any calculations. He just said that he massively over sized it for the floor.