AREA LOAD and FLOOR LOAD

Hi Good Day STAAD GURUs

My questions are:

 1. When using the AREA LOAD or FLOOR LOAD to represent the load beeing carried by the slab does STAAD automatically convert those loads to equivalent loads and then automatically impose those equivalent loads to the beams bordering the slab? or do i have to manually solve for the equivalent load then manually impose those loads (from the slab) to the beams. Actually thats what our instructor taught us, manually solve the equivalent load then put in on the beams supporting the slab. but doubt it[*-)]

2. On the command  "selfweight -1" does that selfweight include the weight of the slabs even if the slabs were simply modeled as plates?

ex: ....

meter kn

Element Incidences

1 1 2 3 4

Element Property

1 thickness 0.15

3. Attached file shows how to correct improperly connected plates. We added nodes 9 and 10 to beam 1 4 supporting plate 1 to correct the improper connection of plates 2 and 1. Just for discussion purposes lets us consider PLATE 1 before we break it into 3 plates as a TWO WAY slab. After breaking it to 3 slabs, the resulting plates from plate 1 are plates 3 4 and 5. Sir/Ma'am if i'm gonna load these slabs using FLOOR LOAD / AREA LOAD. Do i have to load them individually as one way for plates 3 and 5 then two way for plate 4? or should i just apply the floor load over these plates?

Thanks a lot

Mac

 

Parents Reply
  • AREA LOAD feature has been replaced by FLOOR LOAD option ( with One Way Distribution checked ). Although the AREA LOAD feature is still available within the software for continuity, we highly recommend that you use the ONEWAY LOAD instead. In fact when AREA LOAD is used in recent versions, a note is now issued as part of the analysis output file as shown below

    The FLOOR LOAD and ONEWAY LOAD has been worked upon a lot in recent years and the improved algorithm should address all loading scenarios. A very recent improvement is the one marked in the picture below using which one can get details of what members are part of which panel and what load has been assigned to each member and panel. These details are printed as part of the analysis output file and are useful for doing some quick checks if required.



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