30 Questions
What caused the dam failure northeast of Tai-Chung?
Seismic waves from the earthquake
How much did the southern end of the dam near Tai-Chung displace upwards due to the earthquake?
9 to 10 meters (30 to 33 feet)
Where was the Kuang Fu Elementary School located?
Tai-Chung, Taiwan
What caused as much as a 3-meter (10-foot) ground displacement in some parts of the Kuang Fu Elementary School?
Large fault rupture associated with the earthquake
Which part of the building at Kuang Fu Elementary School remained standing despite the earthquake?
Immediately adjacent to the surface fault rupture
What effect did the fault rupture have on the span between columns in a building at Kuang Fu Elementary School?
It reduced the span.
What is resonance in the context of buildings?
A condition when the period of earthquake-induced ground shaking matches the natural period of building vibration
What causes damage in T-shaped buildings according to the text?
Damage happens where the two segments of the T-shaped building join together
What type of structure responds most to high-period ground shaking?
Tall buildings
What determines if resonance is expected to occur in a building?
The match in period of earthquake-induced ground motion and natural period of building vibration
How can a response spectrum be used in relation to earthquake ground motion?
To assess the nature of the earthquake ground motion on a structure
What is a rule of thumb mentioned for estimating the natural period of vibration for a building?
$0.1 \times$ the number of stories in a building
What caused the collapse of the 1st floor of the Community Mental Health Building at the Olive View Hospital complex?
Soft/weak 1st story created by masonry walls at the 2nd floor
Why did the columns at the lower levels of the main building at Olive View Hospital have large ductile capacity?
Presence of spiral reinforcement
What attributes did most of the buildings that collapsed in the 1995 Kobe earthquake have?
Weak lateral system, non-ductile material, and irregular structural configuration
Why was there a risk of fatalities at the Olive View Hospital complex after the 1971 San Fernando earthquake?
Near collapse of the main building and first floor collapse of another building
What is significant about the conditions that led to the collapse of buildings in the 1995 Kobe earthquake?
They no longer met Japanese building code requirements
What saved the lower floors of the main building at Olive View Hospital from likely collapse?
Spiral reinforcement in the columns
What factor was cited as a principal cause of the extensive damage experienced by the port facilities in the affected region?
Liquefaction
How many people were injured as a result of the earthquake?
More than 5000
Which type of soil was most commonly used for the construction of liquefied fills in the affected region?
Decomposed granite soil
What happened to nearly all of the container loading piers at the Port of Kobe due to the earthquake?
They were disrupted
Where did evidence of liquefaction extend along the waterfront east and west of Kobe?
Along the entire length
Which two man-made islands in Kobe harbor experienced liquefaction failures due to the earthquake?
Port Island and Rokko Island
What may occur due to reentrant corner irregularity during an earthquake?
Independent response of projecting wings
What is the main concern associated with diaphragm discontinuity irregularity?
Redistribution of seismic forces
How does out-of-plane offset irregularity affect seismic analyses?
It increases demands on vertical elements
What does nonparallel system irregularity refer to?
Characteristics of the vertical elements
Which irregularity can result in torsional forces not normally considered in seismic design?
Diaphragm discontinuity irregularity
How can concentration of forces at openings' boundaries be resolved in design?
By considering redistribution of forces
Explore the impact of the Taiwan earthquake on civil engineering structures, specifically the failure of a dam in Tai-Chung. Discover how the surface fault rupture led to severe damage and affected the water supply to surrounding communities.
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