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Hi all, I've modeled a fairly complicated building in SAP2000. The diaphragms are not continuous throughout the lateral system, and individual plates are instead connected through flexible bridges that transmit lateral forces to the floor plates that are connected to cores. I'd like to get the...

I'm having an issue on one of my projects, and I'd like to get the community's input. Let me outline the problem: A 250mm wide cast in place wall appears to be failing under just dead load. It supports a small tributary area on two levels. Two deep beams frame into the wall at its end, but do...

Hello All, I am currently using spColumn to analyze some shear walls to develop interation diagrams. I'm analyzing them as irregularly shaped "columns" within the program. My issue is with the confinement properties that I believe spColumn is applying to the wall - is it allowing distributed...

Hi All, I have 2 questions regarding concrete corbels. Background: The project I'm working on calls for a continuous concrete corbel along a foundation wall for a precast cladding support condition. Since the "corbel" is very long, the contractor doesn't want to have to put miles of ties...

Does anyone know how to accurately model non-rigid roof decks in SAP2000? Specifically, I am trying to model 38mm Canam P-3615 roof deck. Here it is: http://www.canam-steeljoist.ws/www/v4/ecanamj.nsf/steeljoist/tablier#steeldeck How do I set the property/stiffness modifiers when defining a...

I'm trying to find the resistance of the welds on a shear tab. Table 3-34 of the CISC Handbook seemingly gives me exactly what I am looking for, but I have also seen the resistance calculated by using table 3-27 and setting k=0. This is what is done in the AISC Manual. Unfortunately, I do not...

Quick question: When designing steel connections, it is generally always assumed that the threads of bolts are intercepted by the shear plane?

I'm checking the connections on a steel building, and the steel fabricator has specified long slots on a certain shear tab connection. AISC Manual of Steel Construction has this to say: "For STD hole, eccentricity can be ignored when the number of bolts, n, is less than or equal to 9. For...