Prescriptive vs PBD Flashcards
What is prescriptive and performaced based design?
Different approaches for the fire safety design of a building
What is prescriptive design?
Traditional method, trial and error throughout history
What is performaced based design?
Analytisk dimensionering
What are some pros of prescriptive design?
Less room for interpretation
Higher responsibility to regulators
What are some cons to prescriptive design?
It assumes prescriptions are safe for all contexts
No flexibility to new materials, designs, etc.
“Magic” numbers: often unclear where they come from
What are some pros of performaced based design?
Allow for cost savings
Flexible to account for new designs, materials, etc.
What are some cons to performanced based design?
Higher responsibility to designer
As good as models and model users
Human behaviour modelling requires knowledge in several fields (engineering, psychology)
Time consuming
