Earthquake and wind load is always a threat to the structure. If you want to design any structure especially if you want to design any tall buildings,cinema halls,auditorium or tower like structure or any steel structure you need to know what is the actual earthquake and wind load as they prove to be very hazardous to your structure.
Many of the engineers often ignore these two loads but remember this is not a good practice to not count the earthquake and wind load in your structure. It is a natural hazardous phenomena that may cause several lives to death.
So learn how to calculate earthquake and wind load according to BNBC. This is a hand note calculation that follows BNBC and is only applicable for Bangladesh only.