German 
French 
Spanish 
Portuguese 
Italian 
Arabic 
Russian 
Japanese 
Turkish You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an alternative browser.
You should upgrade or use an alternative browser.
Secondary direction factor
- Thread starter aykt46
- Start date
Hello there; According to Equation 5.1 defined in TBDY 5.2.2.1, the definition of Ed(H) shows the horizontal earthquake effect. In TBDY 5.2.2.3, it says that the Ed(H) term should be made according to 4.4.2.1. In this case, the secondary direction factor should be 0.3. I have sent the relevant items in the pictures below. In the scope of TBDY Chapter 15, which is explained for the performance of existing buildings, no clear information about this factor is given. Best regards...