Reading Buildings

Question 1

Axial Load

Answer 1

Imposed through the centroid of another object

Question 2

Eccentric Load

Answer 2

imposed off-center to another object

Question 3

Torsional Load

Answer 3

Imposed in a manner that causes another object to twist

Question 4

Materials that are brittle

Answer 4

Masonry, tile and cast iron

Question 5

materials that are ductile

Answer 5

wood, plastic and most alloyed metals

Question 6

Preferred shape for columns

Answer 6

Square and circle, load can be transmitted more equally around a center of axis

Question 7

What dictates the amount of load a beam can carry?

Answer 7

The distance between the top and bottom of the beam

Question 8

Purlin

Answer 8

A series of beams placed perpendicularly to other trusses or beams to help support roof decking

Question 9

Pinned Connections

Answer 9

Use nuts and bolts, screws, nails and rivets

Question 10

Rigid connection

Answer 10

elements are bonded together to form solid union.

Question 11

Center Core buildings

Answer 11

those with internal load-bearing wall columns and an attached post and beam frame. Exterior walls don’t bear any weights

Question 12

Primary collapse concern for ordinary construction

Answer 12

The many void spaces in which fire can spread undetected

Question 13

Founders Era buildind

Answer 13

1700’s up to WWI. No fire stopping, Narrow halls and stairs.

Question 14

Industrial Era

Answer 14

WWI to WWII. Balloon framing, no fire stopping, unprotected steel in commercial buildings

Question 15

Legacy Era

Answer 15

WWII to 1980’s. Introduction of platform framing, dimensional lumber, bigger interior spaces, use of drywall

Question 16

Prescriptive code

Answer 16

tells the user how something is to be accomplished

Question 17

Performance based code

Answer 17

tells the user what something needs to do when it’s done

Question 18

5 steps for predicting collapse

Answer 18

1. Classifying the building’s construction
2. Determining the structural involvement
3. Visualizing and tracing loads
4. Evaluate time
5. Predict and communicate collapse potential