Podcast
Questions and Answers
What is one of the main factors that causes structural damage during an earthquake?
What is one of the main factors that causes structural damage during an earthquake?
- The duration of the earthquake
- The type of soil at the site
- The strength of shaking (correct)
- The location of the epicenter
How does the strength of shaking decrease with distance from the epicenter for small earthquakes?
How does the strength of shaking decrease with distance from the epicenter for small earthquakes?
- It remains constant regardless of distance
- It decreases exponentially with distance (correct)
- It increases with distance
- It decreases linearly with distance
For large earthquakes, how does the strength of shaking decrease?
For large earthquakes, how does the strength of shaking decrease?
- It decreases in a direction away from the fault rupture (correct)
- It decreases towards the epicenter
- It decreases uniformly in all directions
- It remains constant regardless of location
What factor determines the length of shaking during an earthquake?
What factor determines the length of shaking during an earthquake?
During the Loma Prieta earthquake, how long did the maximum shaking last?
During the Loma Prieta earthquake, how long did the maximum shaking last?
Which of the following is NOT mentioned as one of the four main factors that cause structural damage during an earthquake?
Which of the following is NOT mentioned as one of the four main factors that cause structural damage during an earthquake?
What is a key characteristic of a soft story in a building?
What is a key characteristic of a soft story in a building?
According to the National Information Service for Earthquake Engineering, what is the recommended method of retrofitting a structure with a soft story?
According to the National Information Service for Earthquake Engineering, what is the recommended method of retrofitting a structure with a soft story?
What occurs in a building when pancaking happens during an earthquake?
What occurs in a building when pancaking happens during an earthquake?
Why do buildings with soft stories need to be retrofitted, according to the National Information Service for Earthquake Engineering?
Why do buildings with soft stories need to be retrofitted, according to the National Information Service for Earthquake Engineering?
What is the consequence of a soft story collapsing during an earthquake?
What is the consequence of a soft story collapsing during an earthquake?
In terms of earthquake safety, why are shear walls or bracing added to soft stories during retrofitting?
In terms of earthquake safety, why are shear walls or bracing added to soft stories during retrofitting?
What causes torsional forces to be induced into the building frame during an earthquake?
What causes torsional forces to be induced into the building frame during an earthquake?
What is the primary reason for the collapse of the second story in the Hotel Terminal during an earthquake?
What is the primary reason for the collapse of the second story in the Hotel Terminal during an earthquake?
Why were the lateral reinforcements (ties) in the columns of the Hotel Terminal insufficient during the earthquake?
Why were the lateral reinforcements (ties) in the columns of the Hotel Terminal insufficient during the earthquake?
What effect did the torsional rotation of the upper part of the building have on inter-story drift?
What effect did the torsional rotation of the upper part of the building have on inter-story drift?
In the example described, what was noted about the top and bottom sections of a collapsed column in Hotel Terminal?
In the example described, what was noted about the top and bottom sections of a collapsed column in Hotel Terminal?
What was the significance of lateral reinforcements (ties) in resisting shear forces during the earthquake?
What was the significance of lateral reinforcements (ties) in resisting shear forces during the earthquake?
What is the main difference between the Yerba Buena Island seismograph location and the Treasure Island seismograph location?
What is the main difference between the Yerba Buena Island seismograph location and the Treasure Island seismograph location?
Which site experienced a peak ground acceleration of 0.16g in the eastwest direction?
Which site experienced a peak ground acceleration of 0.16g in the eastwest direction?
How many times greater was the peak ground acceleration at the soft clay site compared to the hard rock site?
How many times greater was the peak ground acceleration at the soft clay site compared to the hard rock site?
What contributed to the damage of structures throughout the San Francisco Bay area?
What contributed to the damage of structures throughout the San Francisco Bay area?
Which part of the Interstate 880 highway collapsed and was underlain by San Francisco Bay mud?
Which part of the Interstate 880 highway collapsed and was underlain by San Francisco Bay mud?
What was the peak ground acceleration in the eastwest direction at Yerba Buena Island?
What was the peak ground acceleration in the eastwest direction at Yerba Buena Island?
What can create a soft story condition in a building?
What can create a soft story condition in a building?
Which of the following factors contribute to the resistance of single-family wood-frame structures to collapse during earthquakes?
Which of the following factors contribute to the resistance of single-family wood-frame structures to collapse during earthquakes?
What is generally recognized about single-family wood-frame structures that include shear walls in their construction?
What is generally recognized about single-family wood-frame structures that include shear walls in their construction?
Which statement best describes the resistance of wood-frame structures to collapse during earthquakes?
Which statement best describes the resistance of wood-frame structures to collapse during earthquakes?
Which factor does NOT contribute to the resistance of wood-frame structures to collapse during earthquakes?
Which factor does NOT contribute to the resistance of wood-frame structures to collapse during earthquakes?
Flashcards are hidden until you start studying
