Sample Problem on effective length

[@k15tvlog61]

Gc=Gb=1.41* Thank you po for explaining this topic sir, more power on your channel 😁

[@gratitude8959]

Why did you multiply Column for Gb by 2

[@AvocadoTheBugCat]

at joint B there are two "columns" going into the joint and two "beams" going into the joint so the 2 cancels out

[@Ssm19494]

Bro speak only English 😭😭😭