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Point load on existing slab

Point load on existing slab

Point load on existing slab

(OP)
Could anyone suggest me how to check existing conc. floor slab if the point load on mezzanine column around 4000 kg. as my attached file,or concept to solve this problem,I'm a fresh graduated civil engineer?
 - the customer have the existing concrete slab as the details below:
   - slab L.L. around 500 ksm.
   - slab on beam
   - factory
Regards,
Thank you

RE: Point load on existing slab

Normally you do that through some structural 3D model in one program able to portrait all the significant things in your model, as you portrait it plates/shells, bean-columns and the loads (uniforms, point). 4 ton is a small load for structural slab, but the particular slab could also be weak (unlikely for 500 kgf/m2) so initially one may think you won't have problem with this.

Essentially you resource to the codes to check if the standing situation won't need any change to reinstate the safety demanded in them. This is worth to mention because you may find in the literature experimental (and so amenable technically) info on the strength of things that may vastly exceed the capacity as stated by the codes; using this kind of resources may be useful when  the code allows somewhat for alternative designs (that many do, one way or another) but it is important to acknowledge that the standing standard of safety is just portraited by the currently vigent codes.

RE: Point load on existing slab

(OP)
Thank you ishvaaag and  gasma1975 for the ideas,i ll try the both way.

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