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2nd Sem
DRRR
SEISMIC DESIGN CATEGORIES
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Cards (8)
SDC A
(
White
)
ā Very small probability of experiencing
damaging earthquake effects.
SDC B
(
Gray
)
ā Could experience shaking of moderate
intensity
SDC B
(
Gray
)
Moderate shaking felt by all many
frightened. Some heavy furniture moved in
a few instances of fallen plaster. Damage is
slight.
SDC C
(
Yellow
)
ā Could experience strong shaking Strong
shaking.
SDC C
(
Yellow
)
Damage is great in poorly built structures.
SDC D0
(Light Brown),
D1
(Darker Brown),
D2
(Darkest Brown)
Very strong shaking. Damage is slight in
specially designed structures; considerable
damage in ordinary substantial buildings
with partial collapse. Damage is great in
poorly built structures.
SDC E
(
Red
)
ā Near major active faults capable of
producing the most intense shaking
Volcanic Hazards
are phenomena arising from
volcanic activity that pose a potential threat to
persons or property in a given area within a given
period.