Download - Dam Types
It is made of concrete usually. And it is the cheapest kind of Dam because it uses the least materials. It’s arch-like shape holds back the water and makes it the second safest dam in
North America. They are usually built in rocky area, like the famous Hoover
Dam.
It is made of reinforced concrete . They can be curved or flat, high or low, but it is always built by a LOT of supports. It has the buttresses, which keep it up.
They are shaped like triangles and they are helpful when the water pushes onto the Dam because they push back with
their unique shape.
Th
e m
ost co
mm
only
built D
am
in
North
Am
erica
. Like G
ravity
Dam
s, th
ey re
ly o
n th
eir w
eig
ht to
stop th
e
wate
r. Unlike
all th
e o
ther D
am
s, beca
use
it is create
d o
f rock a
nd
earth
, it has a
wate
rpro
of co
re th
at
pre
ven
ts wate
r from
seep
ing th
rough
the e
arth
and ro
ck.
Th
ese
Dam
s may b
e b
ulky
, But th
ey
are
strong! T
he sa
fest D
am
in N
orth
A
merica
is expensiv
e b
eca
use
it needs S
O M
UC
H co
ncre
te! B
ut I ca
n’t
belie
ve so
me p
eople
like it’s b
ig,
bulky
look!
Types of Dams
• Arch
• Buttress
• Embankment
• Gravity
DID YOU KNOW?The biggest Dam in North America is the famous Arch Dam, the Hoover Dam, Also called “The Boulder Dam” or “The Red Bull” an it was approximately 726.4 feet tall and 1244 feet wide.
What is the safest dam in North America? Check the answer.
Embankment
Arch
Gravity
Buttress
Has completed: the safest dam test.