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I'm not really designing anything railing related right now. I'm just curious if it works when the material size isn't Pipe/Round Tube since it's from AMP 510-92.

Regarding pipes as member size, mostly due to spacing of the posts.

Thanks for the responses and I agree with the both of you on this Does the load reduction factor of railings only work for pipes? or any material (like tubes or flat bars) as long as it's section, grade and material is the same? Thanks,

Btw I've tried AMP 521-12 for Pipe Railing System Manual and below is it's statement so I figure it's not actually indeterminate but just different from using pipe as material? Thanks,

Hi, I would like to ask if there are tests/articles that provide a concrete result for the statement below. From NAAMM Stair Manual (AMP 510-92) page 5-26. This is just my curiosity on the topic. Thanks for help.

Hi, I would like to ask if there's any other limit states for the Channel that needs to be checked due to the following forces (shear, lateral shear and axial load). The limit states or checks that I can think of are bolt bearing due to shear, bolt bearing due to axial load and yield line...

Thank you all [bigsmile].

Hi, I'm new to designing wood screws and I cant see the lengths for this type of screw. Is there any reference in determining the lengths available for this type of wood screw? Image below is per AWC-NDS 2018. Thank you.

Thank you all for the responses. I proceeded in using the single angle and designed the weld including the load induced by the eccentricity.

Hi, Due to some reasons using clip angle for the HSS isn't possible and is instructed to use HSS single angle connection (welded or bolted) to the other beam. The load transmitted will only be vertical shear I'm wondering if will there be any issue or additional checks required especially for...

Hello, I was told that there are load combinations that considers the Wind Velocity or the SDC of the structure I'm not aware of this load combinations so I tried to find it in ASCE 7-10 or IBC 2012 but to no luck wasn't able to. Please guide/help me on where to find this combinations. Thank you.

I'm not familiar with doing this but I suggest asking directly to the Bentley Community https://communities.bentley.com/]

TehMightyEngineer, Per AISC Design Guide 34, the author also suggest to treat gratings treads as unbraced (see attached file). Although this is from his/her experience and it's difficult to determine per...

Yes, I do this most of the time but when I look at the nodal displacement at the x and z axis of my stringer some values are greater than my allowable values (mostly deflection) which makes my design fail but when I add the treads for stability bracing it now meets my allowable values. Thanks...

Hello, In modeling a stair in STAAD, I'm wondering if I need to input the treads, especially when design to seismic/wind loads (using any beam size or plate), and have it's material property as shown below. Please note that per my understanding the density value should be 0 so that it would...

Yeah I agree. Thank you

Yes, I'm considering also if it's open. Thank you.

Hi fellow engineers, [highlight #EF2929](Not sure where to post this please advise me if I'm in the wrong forum)[/highlight] This might be quite long. Please bear with me and I'll say this in advance, Thank you for your time and response. I cant seem to find a guide in designing a gate so...

Yes, that's also what I'm thinking. I'll try to reason this out. Thank you.

Hi, I would like to ask on how to check if the tread is stiff/thick enough as diaphragm? Please see images below per AISC Design Guide 34. Thanks,