hello folks,
I am wondering if there is a way to create an opening in the round tubular member. the version I am using is 21.1.
It seems the opening process is not possible as the opening width will surpass the two segments (web pieces) of a round member. it is possible to create the opening...
Hi all!
I had a question regarding the wood building in high seismic region,
a client has asked me to put an equipment (weight around 14kN) on the roof of a 3 story wood frame building . by analysing i found that the roof framing below requires reinforcement and the only way to reach joists is...
Hi guys,
I would like to know how to model two types of connection first one is the joist hanger and the second one is joist over the beam connection I am worried about the torsion that happens on the joists and the beam torsion causes shear stress and Risa will fail the member because of that...
Hello fellow engineers:
Question regarding the releasing fixities (moment) when connecting two continuous members with only 1 U-bolt, one member is a pipe and the other is a rectangular bent plate (support)
I guess in reality U-bolt transfer only shears by bearing and frictions but no moment...
Hi All! I have 3 questions regarding a pad and pier that is going to handle shear, upload and download Force. The pad is on the rock and I am going to use 4 rock anchors at the corners to help me with upload capacity. I have seen it is common practice that designers apply prestressing force on...
Hello every one, my question is regarding the rock anchor "design load". I am going to design a concrete pad with 4 rock anchors to resist uplift. I have factored ultimate uplift load, I need to know the design load as I m going to specify the Lock-off load for the anchor. what is the design...
Hi All,
we are engaged in a project that we need to design pad and pier foundation over sloped rock. Client asked not to chip or blast the rock (to generate even surface) due to residential area nearby. I came up with a solution that to put the pad on a concrete poured wedges (as a leveling...
