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1.We have not yet confirmed if the existing beam can independently resist the torsion. Another engineer, who originally designed this beam, is currently reviewing its capacity. If the existing beam is deemed sufficient, would you then design the new beam such that its bottom flange can locally...

KootK There are additional reasons for considering a continuous new HSS beam here. This beam not only support bracket but also supports the glazing channel at the front face of New HSS (see picture below). This glazing channel will run parallel to this new HSS beam. Do you see any better...

Yea 6m (not mm). My mistake

The existing HSS is only 6 inches wide and is not sufficient for the new bracket, which is why a new HSS is being considered. For simplicity, I have shown only one bracket in this discussion, but the project involves multiple brackets. We are considering adding a new HSS attached to the existing...

The interior HSS is an existing member, and I am designing an outer HSS that will be attached to it. This is necessary because we are adding a bracket at mid-span. I need guidance on how to assess the connection between the two HSS members.

I am currently being asked to design a double HSS that is subject to torsion along its length. The HSS at the back is supported by the concrete wall at its end (torsion resisted), and the front HSS, which I am designing, is planned to be attached to the front face of the back HSS with either...

I see what the problem was. Thank you

I'm getting different moment of inertia value between the hand calculation and the section property from Shapebuilder (IES) program. I'm trying to determine the moment of inertia of built up section composed of two cold formed steel channel (2 x 600S162-54). The section property of 600S162-52...

Hi Kootk. Yes I saw your reply. To be honest, this is my first time designing shearwall and I need to learn myself how to design with drag strut system. I just wanted to know if im on the right track for segmented shear wall approach in my calculation. Im aware that i forgot to add shear...

Hi KootK I've assumed three shear walls (including shear wall inside of garage door) for checking shearwall strength on the ground floor. The shear force per each wall was determined using the continuous beam with two span method (three support = three shear wall). I've used CSA O86-14 code...

I have a 2 story house design project where i need to check the shear wall at the large garage opening. I have included the house sketch in the attachment. There is a wall inside of the garage and I want to know if this wall can be considered for shear wall calculation? Thank you...

I have a cold formed stud (600T200-54) that is supported both ends with overhanging supports symmetrically (See attached drawing). The linearly distributed load over the beam is 6kN/m, the span between the support is 1200mm and overhang length is 550mm at each end. And when I'm analyzing this...

ProgrammingPE and BAretired. Thank you for the simple solution. It works and matches with the moment and shear diagrams i'm getting from SAP program. I really appreciate it.

I'm trying to do hand calculation to check the moment diagram i'm getting from SAP 2000 for the attached diagram. The horizontal beam (top & bottom ) is HSS 6"x3"x1/8" and continues between the support that are 6m distance to each other. The vertical frames are pin connected between the top...

Yes, the wall will be supported by the slab below. And yes, the slab has capacity to support the dead load of pre-fab wall. I was trying to avoid any damage to the wall due to the slab deflection during it's service life time by putting dead load shim as close to the concrete column where the...

This is prefabricated wall. I'm trying to have a wall span between concrete columns and trying to avoid dead load support (shim) at the mid span because the concrete floor slab deflect most at that location. Do you mean segmenting a single beam (5763mm length) into five beams in proportion with...

Hi, I'm desperately looking for some help with calculation of vertical deflection of cold formed stud wall as shown in the attached drawing. The stud wall is sheathed with 1mm thickness of steel sheet attached to the vertical stud members. The approximate self weight of the stud wall is...

Thank you for your response. I was wondering what is the typical width of the stud wall for the residential building project. The reason for the 7.5m space between dead load anchor is to shim the frame as close as to the concrete column location where the deflection of concrete floor slab is...

Hi DaveAtkins, What if the opening is filled out with rigid area such as window wall? Can the wall be considered as diaphragm ? And is there any manual or reference you would recommend me to look in regard of cold formed steel diaphragm design that you know of? I appreciate for your...

Hi All, I'm looking for some help in determining the diaphragm strength of cold-formed steel frame with a steel sheet (not corrugated). The frame is 7m width and 3m tall that comes with one opening. Specifically, I need to verify if the system works when the fixed anchor is placed at the...