Part 2 of 5 - The Equivalent Lateral Force (ELF) Procedure Prescribed in UBC - 97

Part 2 of 5 - The Equivalent Lateral Force (ELF) Procedure Prescribed in UBC - 97
This lectures series focuses on the history, evolution and formulation of equivalent lateral force (ELF) procedure for seismic analysis and design of building structures.
The part 1 focuses on the history and evolution of ELF procedure in last several decades.
The part 2 focuses on the formulation of ELF procedure as prescribed in UBC - 97.
The part 3 focuses on the formulation of ELF procedure as prescribed in IBC - 2000.
The part 4 focuses on the formulation of ELF procedure as prescribed in Building Code of Pakistan (BCP 2007) - This part is in urdu language.
The part 5 focuses on a practical demonstration of how the ELF procedure can be applied in ETABS and how the global responses of a building can be computed manually and compared with ETABS results.
The lectures files can be downloaded from the following link.
www.dropbox.co...
I hope that this lecture series will be useful for you. Please feel free to contact in case of any query. My email address is [e-mail].

[@anasdawas5879]

I am really happy to learn from you

[@giftsonsamuel2627]

Sir, what is the difference between natural time period that's been calculated by approximate formulas given in code and modal time period in the first mode. Are these time period same or different?

[@Skunwar1994]

same question for me as well