Class PPT - Ch. 5 Flashcards
What are the types of loads?
Dead and Live
Loads can be imposed in what ways?
Axially
Eccentrically
Torsionally
What are the types of forces?
Compression
Tension
Shear
What is the difference between Ductile and Brittle?
Ductile: bends before it breaks
Brittle: breaks before it bends
Why does concrete to crack or spall when heat is applied?
Moisture in the concrete
What structural component transfers loads perpendicularly?
Beams
What’s another name for Open-webbed beams?
Truss construction
What is the “weak link” in structural failure during fires?
Connections
What are the 3 types of connections?
Pinned
Rigid
Gravity
What era is 1700s to WWI?
Founder
What era is WWI to WWII?
Industrial
What era is WWII to 1980?
Legacy
What era is 1980 to present?
Lighweight
What is the Collapse Model?
Identify - analyze - decide
What is the 5 step process in Predicting Collapse?
Classify buildings construction Determine structural involvement Visualizing and tracing loads Evaluating time Predicting and communicating the collapse potential