Thaddeus Seismic

Question 1

What are the 5 different types of plan irregularities that can lead to structural failure?

Answer 1

1. ) Torsional Irregularities
2. ) Re-entrant Corners
3. ) Discontinuous Diaphragms
4. ) Out of Plane Offsets
5. ) Non- Parallel Offsets

Question 2

What type of bolt should be specified in an area with a high risk of earthquakes?

Answer 2

Type F Bolts, or slip critical bolts

Question 3

T/F, Increasing the MLFRS’s (main lateral force resisting system) ductility reduces the amount of base shear within a building.

Answer 3

True

Question 4

If rigidity increases within the MLFRS does base shear increase or decrease?

Answer 4

Increase

Question 5

What are the 5 different types of vertical irregularities that can lead to structural failure?

Answer 5

1. ) Weight / Mass Irregularities
2. ) Geometric Irregularities (setbacks)
3. ) Soft Story
4. ) Discontinuous Bracing
5. ) Weak Story / Discontinuous Shear Wall