Dam of El—Agrem
-
HE wilaya (province) of Jijel, at the
the dam, the materials chosen were little sensitive
|
same
time mountainous and coastal,
to dynamic solicitations.
,
with its forests covering the high
A
d
_
mountainous chains crossed by gOrgeS,
erground drainage
gallery allows
a
good
dominates
the
sea
everywhere. It is at 15
rainlage
and the collection
of waters coming
from
kilometers south of Jijel that El—Agrem dam
cp}ng
omerates
overhang1ng the dams left—hand
.
.
.
.
s
0 e.
stands, built on El—Agrem wad1. The prox1m1ty to
_
r
the sea generates a high rate of humidity for the
During the dam’s construction, the wadi’s waters
site.
were
temporarily diverted by a 308—m long
.
under round
aller
with adiameter of tim b t at
Due to the absence of clayey materials, El—Agrem
g
g
y
_
_
’
u
_
.
.
.
.
the end of the construction, it was transformed iii
dam was built in rocks With a layer of re1nforced
_
_
_
_
.
.
.
a
bottom emptymg. It is in the gran1tes of the
concrete.
Its 440 square kilometers basm 1s
_
_
_
.
.
.
.
right—hand shore that the discharge was installed.
-
particularly located in the marly and little tecton1c
_
_
'
.
.
0
lt IS made up of a free—threshold frontal Spillway
M10cene formations. They represent about 70%) of
_
_
_
_
_
capable of discharging a debit of 450 cubic meters
the surface and their depth may
reach up
to 300
_
_
,
.
.
.
.
.
per
second.
The
Spillway is followed by a
meters. Due to the dam s s1te Situation being in an
_
_
_
.
.
.
.
.
messenger
made up of two sections With different
area relatively seismic, measures a1mmg
to reduce
_
_
_
sloped. Downstream the messenger,
one can note a
the potential impact of earthquakes have been
_
.
.
.
.
clear1ng safety catch of the Ski Jumping type to
taken.
.
.
ensure the hydrauhc energy clear1ng.
The substrat m structure on which the
ièce of
_
_
_
_
_
_
u
_
_
p
With
average
annual prec1p1tat10ns of
1225
work lies IS dissymmetric. At the right—hand shore,
_
_
_
_
_
_
millimeters and an average
contribution of 23
the
piece
of
work
is
founded
on
the
_
_
_
_
_
_
_
_
million cubic meters per annum, this dam, which
cristallophyllian platform formed by granite
and
_
_
_
_
_
_
was comm15310ned in 2002, creates a reserv01r of
gne1ss
whereas the left—hand shore is based on
_
_
_
_
_
b
_
_
_
]
Th
t
t b t
21.5 million cubic meters to meet the need iii wate1
.
e
on ac
e ween
_
__
_
_
.
urn1gahan limestone mar
S
_
C
for the City of Jl_]€l and all its industrial estate as
the marls and gne1ss
is
obtained downstream of
_
_
_
_
__
_
_
_
well as for the irrigation of developing ag11cultu1 al
the dam by a horizontal fault estimated at 50
_
per1meters.
-
.
meters.
'd
(1 k
_
d
Its location on a mountainous area gives it a
_
‘
'
e u
.
.
.
The 61 meterh1gh and 395 W1
Ê yhe
ls ma
I}
particular feature and it remains of a certain
'
.
t
water roo
_
_
-
.Of
a comp
acted rock mas51f AS_ or
e
p
contribution for the development of the fauna and
screen, it is tted With a soph1st1cated system
of
ora
watertightness PVC and metal joints
to face the
'
site’s claimed seismicity For the construction of
-
HE wilaya (province) of Jijel, at the
the dam, the materials chosen were little sensitive
|
same
time mountainous and coastal,
to dynamic solicitations.
,
with its forests covering the high
A
d
_
mountainous chains crossed by gOrgeS,
erground drainage
gallery allows
a
good
dominates
the
sea
everywhere. It is at 15
rainlage
and the collection
of waters coming
from
kilometers south of Jijel that El—Agrem dam
cp}ng
omerates
overhang1ng the dams left—hand
.
.
.
.
s
0 e.
stands, built on El—Agrem wad1. The prox1m1ty to
_
r
the sea generates a high rate of humidity for the
During the dam’s construction, the wadi’s waters
site.
were
temporarily diverted by a 308—m long
.
under round
aller
with adiameter of tim b t at
Due to the absence of clayey materials, El—Agrem
g
g
y
_
_
’
u
_
.
.
.
.
the end of the construction, it was transformed iii
dam was built in rocks With a layer of re1nforced
_
_
_
_
.
.
.
a
bottom emptymg. It is in the gran1tes of the
concrete.
Its 440 square kilometers basm 1s
_
_
_
.
.
.
.
right—hand shore that the discharge was installed.
-
particularly located in the marly and little tecton1c
_
_
'
.
.
0
lt IS made up of a free—threshold frontal Spillway
M10cene formations. They represent about 70%) of
_
_
_
_
_
capable of discharging a debit of 450 cubic meters
the surface and their depth may
reach up
to 300
_
_
,
.
.
.
.
.
per
second.
The
Spillway is followed by a
meters. Due to the dam s s1te Situation being in an
_
_
_
.
.
.
.
.
messenger
made up of two sections With different
area relatively seismic, measures a1mmg
to reduce
_
_
_
sloped. Downstream the messenger,
one can note a
the potential impact of earthquakes have been
_
.
.
.
.
clear1ng safety catch of the Ski Jumping type to
taken.
.
.
ensure the hydrauhc energy clear1ng.
The substrat m structure on which the
ièce of
_
_
_
_
_
_
u
_
_
p
With
average
annual prec1p1tat10ns of
1225
work lies IS dissymmetric. At the right—hand shore,
_
_
_
_
_
_
millimeters and an average
contribution of 23
the
piece
of
work
is
founded
on
the
_
_
_
_
_
_
_
_
million cubic meters per annum, this dam, which
cristallophyllian platform formed by granite
and
_
_
_
_
_
_
was comm15310ned in 2002, creates a reserv01r of
gne1ss
whereas the left—hand shore is based on
_
_
_
_
_
b
_
_
_
]
Th
t
t b t
21.5 million cubic meters to meet the need iii wate1
.
e
on ac
e ween
_
__
_
_
.
urn1gahan limestone mar
S
_
C
for the City of Jl_]€l and all its industrial estate as
the marls and gne1ss
is
obtained downstream of
_
_
_
_
__
_
_
_
well as for the irrigation of developing ag11cultu1 al
the dam by a horizontal fault estimated at 50
_
per1meters.
-
.
meters.
'd
(1 k
_
d
Its location on a mountainous area gives it a
_
‘
'
e u
.
.
.
The 61 meterh1gh and 395 W1
Ê yhe
ls ma
I}
particular feature and it remains of a certain
'
.
t
water roo
_
_
-
.Of
a comp
acted rock mas51f AS_ or
e
p
contribution for the development of the fauna and
screen, it is tted With a soph1st1cated system
of
ora
watertightness PVC and metal joints
to face the
'
site’s claimed seismicity For the construction of