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D8 Consultants Ltd. (D8CL)

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Eng. Jaher Wasim, S.E., M.ASCE

D8 Consultants Ltd. (D8CL)

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Modeling multiple towers on a single podium - best practices for seismic analysis and period estimation?

Posted By Jaher Wasim 10-24-2025 11:12 AM
Found In Egroup: Integrated Buildings & Structures \ view thread
I am modeling a tall building composed of four vertically-separated towers sitting on a single podium. What are the recommended best practices for: (1) representing tower–podium connectivity in commercial software (ETABS / SAP2000 / OpenSees), (2) performing seismic analysis including modal response-history ...

RE: Scaling of RSA Results to Match ELF Base Shear for Towers with Podiums/Basements (ASCE 7)

Posted By Jaher Wasim 10-14-2025 11:39 AM
Found In Egroup: Integrated Buildings & Structures \ view thread
Excellent topic - the interaction between tower and podium/basement structures often makes RSA results differ significantly from ELF base shear. Scaling RSA to match ELF can be quite challenging, especially for irregular geometries or mixed systems. Looking forward to insights on practical approaches ...