Morth 3100 Reinforce Earth
5
Rainforce Earth 3100 Rainforce Earth
Transcript of Morth 3100 Reinforce Earth
Rainforce Earth
3100
Rainforce Earth
2
Section 3100 Reinforced EarthA
nn
exu
re -
1
Hei
ght o
f ret
aini
ngD
esig
n lif
eLo
adin
gS
eism
ic z
one
–w
all
IS 1
893
(Par
t 1)
:200
2
SY
ST
EM
CO
ND
ITIO
N<
10m
> 10
m20
to 1
00<
20
yrs
Brid
ge o
rIR
CZ
one
IIZ
one
III,
yrs
any
heav
ytr
affic
IV &
Vlo
adlo
adin
g(D
L+LL
)(L
L)
Fle
xibl
e fa
ceY
esY
esY
es6
Yes
Yes
Yes
Yes
Yes
Met
allic
Dis
cret
e co
ncre
tere
info
rcem
ent
faci
ng s
yste
mY
esY
esY
esY
esY
esY
esY
esY
es
Blo
ck w
all
Yes
NO
NO
1Y
esN
O2
Yes
3Y
es3
NO
2
Rig
id fa
cing
Yes
NO
Yes
Yes
Yes
Yes
Yes
NO
Fle
xibl
e fa
ceY
esY
esY
es6
Yes
NO
Yes
Yes
Yes
Non
-met
allic
Dis
cret
e co
ncre
te(S
ynth
etic
)fa
cing
sys
tem
4Y
esN
O5
Yes
Yes
NO
Yes
Yes
Yes
rein
forc
emen
tB
lock
wal
lY
esN
ON
O1
Yes
NO
Yes
3Y
es3
NO
2
RC
C f
ull h
eigh
tY
esN
OY
esY
esN
OY
esY
esY
es
Tab
le 3
100-
1 S
elec
tio
n C
rite
ria
bas
ed o
n h
eig
ht,
du
rab
ility
an
d lo
adin
g f
or
vert
ical
ret
ain
ing
wal
ls
3
Reinforced Earth Section 31001.
Pre
-cas
t blo
ck w
all c
an b
e us
ed o
nly
if th
e bl
ocks
are
cas
ted
by w
et m
ix c
oncr
ete
and
not b
y dr
y m
ixm
etho
d
2.B
lock
wal
l sy
stem
can
be
used
onl
y if
the
conn
ectio
n sy
stem
is m
echa
nica
l and
all
bloc
ks s
hall
beco
nnec
ted
by m
ain
or s
econ
dary
rein
forc
emen
t
3.O
nly
mec
hani
cal c
onne
ctio
n sy
stem
sha
ll be
use
d no
fric
tion
base
d co
nnec
tion
syst
em s
hall
be u
sed,
all b
lock
s in
top
tw
o m
eter
sha
ll be
con
nect
ed w
ith m
ain
or s
econ
dary
rei
nfor
cem
ent
to c
ater
for
impa
ct lo
adin
g
4.E
ach
faci
ng p
anel
sha
ll be
con
nect
ed w
ith m
inim
um 2
laye
rs (v
ertic
ally
) of r
einf
orce
men
t and
for s
trap
min
imum
4 n
umbe
rs o
f con
nect
or p
er p
anel
(2 in
hor
izon
tal a
nd 2
in v
ertic
al e
leva
tions
) sha
ll be
use
d.T
he m
ain
rein
forc
emen
t sha
ll be
con
nect
ed w
ith p
anel
by
mea
ns o
f onl
y m
echa
nica
l arr
ange
men
t.C
oncr
ete
to c
oncr
ete
cont
act s
hall
be a
void
ed b
y pr
ovis
ion
of E
PD
M b
earin
g pa
d in
hor
izon
tal j
oint
san
d cl
ear g
ap in
ver
tical
join
ts.
5.W
all c
onst
ruct
ed w
ith n
on-m
etal
lic (s
ynth
etic
) rei
nfor
cem
ent w
ith h
eigh
t mor
e th
an 6
m s
hall
not b
epe
rmitt
ed u
nles
s it
can
be s
atis
fact
orily
dem
onst
rate
d by
pre
viou
s ex
perie
nce
that
sim
ilar
high
stru
ctur
es h
as b
een
cons
truc
ted
usin
g ex
actly
the
sam
e sy
stem
by
sam
e sy
stem
pro
vide
r (he
ight
of
wal
l, ge
omet
ry, f
acin
g, re
info
rcem
ent,
conn
ectio
n, d
esig
n m
etho
ds, l
oadi
ng c
ondi
tion)
and
sub
ject
toap
prov
al o
f eng
inee
r in-
char
ge.
6.A
ll st
eel f
lexi
ble
faci
ng fo
r per
man
ent s
truc
ture
(des
ign
life
upto
100
yrs)
sha
ll be
hot
dip
gal
vani
zed
(min
imum
400
gm
/sqm
). F
or n
on-m
etal
ic (s
ynth
etic
) wra
p ar
ound
faci
ng, a
per
enni
al v
eget
atio
n co
ver
with
/with
out e
rosi
on c
ontr
ol b
lank
et s
hall
be e
nsur
ed.
4
Section 3100 Reinforced Earth
Tab
le 3
100-
3 S
pec
ial c
on
dit
ion
fo
r u
se o
f m
etal
lic (
stee
l) r
ein
forc
emen
t
En
viro
nm
ent
Typ
e o
f fill
Ele
ctro
chem
ical
ch
arac
teri
stic
sp
HR
esis
tivi
ty (O
hm
.cm
)M
axim
um
sal
t co
nte
nts
(pp
m)
Out
of w
ater
Dra
inin
g or
5 T
O 1
0>
1000
gran
ular
Chl
orid
es <
100
Fre
sh W
ater
Gra
nula
r5
TO
10
> 30
00S
ulfa
tes
< 2
00
Tab
le 3
100-
2 D
ecis
ion
ch
art
for
rein
forc
emen
t ty
pe
acco
rdin
g t
o e
nvi
ron
men
tan
d a
pp
licat
ion
En
viro
nm
ent /
Typ
e o
f fill
Lo
w C
hlo
rid
esH
igh
Ch
lori
de
Fin
e S
oils
Lo
wan
d S
ulp
hat
esan
d S
ulp
hat
estr
eate
d w
ith
Rec
ycle
dA
cid
ic fi
llsE
xten
sib
ility
Hig
h r
esis
tivi
ty M
arin
ece
men
t o
rC
on
cret
eH
igh
Wal
lsA
pp
licat
ion
lime
Ab
utm
ents
cf ta
ble
belo
w10
< p
H <
12
9 <
pH
<11
2 <
pH
< 5
Bla
ck S
teel
< 2
0 yr
s5
< pH
< 1
0N
ON
ON
ON
OY
ES
Gal
van
ized
100
yrs
stee
l5
< pH
< 1
0N
ON
ON
ON
OY
ES
Po
lyes
ter
(PE
T)
yarn
100
yrs
, 4 <
pH
< 9
NO
YE
SN
O
PVA
, PP
&H
DP
E10
0 yr
s , p
H >
3
NO
steel
5
Reinforced Earth Section 3100
FO
UN
DAT
ION
Har
d, S
oft
orD
ense
toIm
prov
edC
ON
DIT
ION
Dis
inte
grat
edm
ediu
mLo
ose
sand
/fo
unda
tion
Impr
oved
Roc
kde
nse
San
dcl
ayw
ith P
VD
,fo
unda
tion
Fou
ndat
ion
Syn
thet
icw
ith S
tone
trea
ted
with
rein
forc
emen
tco
lum
n/pi
lere
plac
emen
tE
xpec
ted
tota
l set
tlem
ent
Exp
ecte
d to
tal s
ettle
men
t<
50m
m>
50m
mO
nly
met
allic
rein
forc
emen
tA
ll ty
pes
of re
tain
ing
wal
l,up
to a
max
imum
hei
ght o
fsl
ope
and
abut
men
t1 can
be
All
type
s of
reta
inin
g w
all,
7.0m
for v
ertic
al w
all.
No
pure
cons
truct
ed.
slop
e an
d ab
utm
ent1
can
beab
utm
ent i
s re
com
men
ded.
cons
truc
ted
Syn
thet
ic re
info
rcem
ent w
ithfle
xibl
e fa
cing
upt
o a
max
imum
heig
ht o
f 7.0
m fo
r ver
tical
wal
lan
d 20
m fo
r ste
ep s
lope
.
1.T
he a
llow
able
pos
t con
stru
ctio
n se
ttlem
ent (
afte
r con
stru
ctio
n of
brid
ge d
eck)
sha
ll be
rest
ricte
d to
max
imum
25m
m.
Tab
le 3
100-
4 S
elec
tio
n c
rite
ria
bas
ed o
n f
ou
nd
atio
n c
on
dit
ion
The
sho
rt te
rm a
nd lo
ng te
rm p
erfo
rman
ce o
f rei
nfor
ced
soil
wal
l str
uctu
res
depe
nds
prim
arily
on
foun
datio
n so
ilco
nditi
on. H
ence
, it i
s m
ost i
mpo
rtan
t to
sele
ct a
ppro
pria
te te
chno
logy
dep
endi
ng o
f fou
ndat
ion
soil
cond
ition
and
also
type
of i
mpr
ovem
ent m
easu
res.
Dec
isio
n ch
art f
or re
info
rcem
ent t
ype
acco
rdin
g to
foun
datio
n / i
mpr
oved
foun
datio
n co
nditi
on:
