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Ok. Thank you.

Does Etabs support 'general' meshes other than 'rectangular' for walls? I believe it support rectangular only, in which case it is hard to manually mesh to let them line up. What I tent to do it break the wall below into two panel at intersection, which I find it onerous sometimes.

Can you please elaborate on this a bit more? I had a quick look on the introduction of "auto edge constraints" (link https://wiki.csiamerica.com/display/kb/Line+%28edge%29+constraint). Looks like master/slave nodes will be created only at shell ends, in which case reducing the size of the meshes...

Thank you very much. I appreciate that.

So just model as one wall above and one wall below with normal meshing, no need to divide shells into smaller pieces as long as auto edge constraints are assigned? I thought even if edge constraints are assigned we still needs to divide shells?

The reason I am reluctant to divide the wall shell into multiple pieces is it will create too many wall panels in the model. I know there is a auto edge constraints option in ETABS. Do you recommend use this function but not divide the wall shells?

Just wondering how you guys model walls that don't line up in 3D FE model like ETABS? See below as an example. As you can see, the meshes that don't line up. And the slab meshes just match above. So, how do you normally separate the walls below into two or do you prefer manual meshing?

I always have this question.. What are these four horizontal bars shown in blue dots for?

Thanks IDS. Its for adjoining basement retaining wall design.

Does anyone here know how much surcharge load is for railway in Australia and where can I find the information in the standards? Thank you.

Thanks for your reply. Yeah. I haven’t done or seen this service this deep (but that’s the figure that I got from the authority) and that’s why I am asking. It is prestressed ground rock anchor tie-back wall.

The existing service is about 4m under ground level while my the anchor is about 2.5m deep at the same location (free length zone). Is it this okay? (I know it is okay if the service is above the anchor with this much clearance but not sure about if it is under. I don’t see the difference but...

Can you please explain why loads can be distributed to the other bolts? I would expect the reactions go to the outmost bolts only. My analysis model is as follow. Say I have 4 bolts along Y direction wall on each side. Now I put Y translation restraints for all of them. The analysis results will...

Hi, The way I analyze this warehouse subjecting to wind in say Y direction is using Y direction walls as supports and the roof structure as a truss to transfer the lateral loads to these walls. I would expect large reaction at end due to its span. Now my question is, will the very first bolt for...