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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...

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.

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.

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...

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...

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,

Hi guys, I'm designing a self supporting stair (not connecting to any structural beams/columns) and from the structural drawings there are horizontal braces along the stringers (see 2nd photo) No lateral loads will be transmitted to the stair only gravity loads. I'm wondering if this...