topic Re: QPR SLS Cracking Results in Robot Structural Analysis Forum

QPR SLS Cracking Results

luismrf — Tue, 28 Feb 2023 11:40:42 GMT

Hello,

i´m desingning a pool, i did something wrong because in the result for QPR SLS the results are too wide for cracking, i did something wrong but i don´t know what, i need someones help please.

regards,

Luis

Re: QPR SLS Cracking Results

Simau — Tue, 28 Feb 2023 12:52:54 GMT

@luismrf

Your panels parameters are not good as there is uplift to be taken into acount.

You have also to remove planar support from the slabs.

Set slab as maciça 20 UZ+ and vertical walls as maciça 20 UZ-

Model attached

Re: QPR SLS Cracking Results

Simau — Tue, 28 Feb 2023 15:21:55 GMT

There is no available X+ cracking results for the applied loads (too weak). If you increase loads ( for example water at 3000 kg/m3 and DL with 30 kpa applied to the raft) you'll get some X+ cracking results.

You may also decrease slabs and raft thickness

Re: QPR SLS Cracking Results

luismrf — Wed, 01 Mar 2023 00:16:34 GMT

Thank you @Simau,

-removing the planar support from the slab make an error appear while calculating, but it´s not critical because RSA calculates, is there any way to remove this warning\error?

- Is it possible to see the changes you made in the Maciça UZ+, and Maciça UZ -? i can edit them but how can i see the parameters?

- I want to check the steel reinforcement for the sheer in the walls, how is the best way to check it? Does the RSA provide it?

thank you

Re: QPR SLS Cracking Results

Simau — Wed, 01 Mar 2023 10:05:40 GMT

@luismrf

1- Type 3 instability is not critical as long as displacements are not inconsistent

2- Look at screenshot below

2- I am not sur i understand your concern. Could you tell us the code to apply to this verification