topic Re: How to design foundation with " bar Elastic Ground " in Robot Structural Analysis Forum

How to design foundation with " bar Elastic Ground "

yesterday55555 — Mon, 24 Sep 2018 01:32:14 GMT

Hello dear.

I am trying to understand and design foundation with Bar Elastic Ground.

But I do not know why the Moment My diagram is zero value.

Re: How to design foundation with " bar Elastic Ground "

EduardoMeruvia — Mon, 24 Sep 2018 05:14:18 GMT

I think the reason you getting zero moment is due to the liner load distribution on top of your beam which is also under a CONSTANT elastic spring support condition. Thus, under the liner load, the beam simply 'BEARS" directly on to the ground and thus deflects as a whole without bending.

If you put a Point Load in the middle then you do get a bending moment as expected as this load is not uniform so it locally deflects the beam at the middle. Point Load - Bending Moment

Re: How to design foundation with " bar Elastic Ground "

yesterday55555 — Mon, 24 Sep 2018 05:18:00 GMT

Oh. Let me to try again.
Do you know a video which guides designing or using bar elastic ground ?

Re: How to design foundation with " bar Elastic Ground "

EduardoMeruvia — Mon, 24 Sep 2018 07:06:27 GMT

If you haven't seen these yet, These links might help a bit;

https://forums.autodesk.com/t5/robot-structural-analysis-forum/continuous-footing-design-initial-setup-confusing/m-p/3401381

https://forums.autodesk.com/t5/robot-structural-analysis-forum/foundation-beam-elastic-ground/m-p/5984270

https://forums.autodesk.com/t5/robot-structural-analysis-forum/strip-foundation/m-p/5905546

I would also suggest watching RSA webinar #04;

https://youtu.be/Pe8N_gCMA94

Re: How to design foundation with " bar Elastic Ground "

yesterday55555 — Mon, 24 Sep 2018 07:14:48 GMT

Thanks for your kindness. I will take a look for all of these