Mod
el
Spec
ific
atio
n fo
r Pa
vem
ent
Laye
rs
mad
efr
om S
oil
Stab
ilise
d by
Lim
e an
d H
ydra
ulic
Bin
ders
BR
ITIS
H L
IME
AS
SO
CIA
TIO
N
1.G
ener
al
This
m
ode
l sp
ecif
icat
ion
de
scri
bes
the
req
uir
emen
ts
for
the
con
stit
uen
ts,
com
posi
tion
an
d pe
rfor
man
ce
of
sub-
base
and
base
laye
rs m
ade
from
soi
l sta
bilis
ed w
ith
com
bina
tion
s of
lim
e,gr
ound
gra
nula
ted
blas
tfu
rnac
e sl
ag,p
ulve
rise
d fu
el a
sh,c
emen
t an
dhy
drau
lic
road
bi
nde
r.Th
e sp
ecif
icat
ion
rela
tes
prim
arily
to
mix
-in-
plac
e tr
eatm
ent
but
can
be a
dapt
ed f
or c
entr
al p
lant
mix
ing.
2.St
anda
rds
Lim
e -
BS E
N 4
59-1
:200
1C
emen
t -
BS12
G
roun
d gr
anul
ated
blas
t fu
rnac
e sl
ag -
BS
6699
:199
2.Fl
y as
h -
BS 3
892
part
1:E
N45
0H
ydra
ulic
roa
dbi
nder
s -
DD
EN
V 1
3282
:200
0 M
etho
ds o
f te
st f
orst
abili
sed
soils
-
BS19
24:1
990
3.D
efin
itio
ns,s
ymbo
ls a
nd a
bbre
viat
ions
PFA
-pu
lver
ised
fue
l ash
als
o kn
own
as
(coa
l) f
ly a
sh.
GG
BS -
grou
nd g
ranu
late
d bl
ast-
furn
ace
slag
.H
RB
-hy
drau
lic r
oad
bind
er (
a fa
ctor
y bl
ende
d hy
drau
lic b
inde
r sp
ecif
ical
lyfo
r ro
ads
and
pave
men
ts)
HB
-hy
drau
lic b
inde
r (a
mat
eria
l tha
t ha
rden
s bo
th u
nder
wat
er a
nd in
air
,w
hen
mix
ed w
ith
wat
er)
e.g.
cem
ent,
HR
B,an
d th
e lim
e/PF
A
or li
me/
GG
BS c
ombi
nati
on.
SHB
-so
il tr
eate
d or
sta
bilis
ed b
y an
hy
drau
lic b
inde
rO
MC
-op
tim
um m
oist
ure
cont
ent
MC
V -
moi
stur
e co
ndit
ion
valu
e
4.C
ons
titu
ents
4.1
Soil
Soil
for
SHB
sh
all
be
natu
rally
o
ccur
ring
mat
eria
l,ar
tifi
cial
mat
eria
l,re
cycl
ed m
ater
ial,
or a
com
bina
tion
of
thes
e.W
hen
wet
sie
ved,
not
less
tha
n 95
% o
f th
e so
il sh
all
pass
the
63m
m s
ieve
.O
rgan
ic m
atte
r,if
pre
sent
,sh
all
not
adve
rsel
y af
fect
the
per
form
ance
of
the
mix
ture
.If
th
is
exce
eds
2%
by
w
eigh
t,la
bora
tory
tes
ts s
hall
be c
arri
ed o
ut t
o co
nfir
mth
at t
he r
equi
red
stre
ngth
can
be
achi
eved
.
Soil,
part
icul
arly
tha
t co
ntai
ning
or
susp
ecte
dof
co
ntai
ning
su
lfat
es
or
othe
r po
tent
ially
disr
upti
ve m
ater
ial,
shal
l be
dee
med
sui
tabl
efo
r tr
eatm
ent
prov
ided
the
req
uire
men
ts o
fcl
ause
8.1
3 ar
e sa
tisf
ied
both
at
labo
rato
rym
ixtu
re d
esig
n st
age
and
duri
ng c
onst
ruct
ion.
4.2
Lim
e Li
me
shal
l be
quic
klim
e to
EN
459-
1:20
01 a
ndth
e fo
llow
ing
spec
ific
atio
n:C
aO +
MgO
con
tent
> 8
0%M
gO c
onte
nt <
10%
Reac
tivi
ty w
ith
wat
er,e
stab
lishe
d in
ac
cord
ance
wit
h EN
459-
2,sh
all a
chie
ve a
te
mpe
ratu
re o
f at
leas
t 60
deg
rees
C
wit
hin
25 m
inut
es.
(Les
s re
acti
ve Q
uick
limes
may
be
used
pr
ovid
ing
com
plet
e hy
drat
ion
is e
nsur
ed
befo
re f
inal
com
pact
ion.
) Pa
rtic
le s
ize:
For
in-s
itu
trea
tmen
ts 1
00%
pass
ing
a 10
mm
sie
ve a
nd a
t le
ast
95%
pas
sing
a 5m
m s
ieve
or
fine
r.W
here
air
born
e du
st i
sle
ss c
riti
cal,
such
as
a se
aled
sta
tic
mix
ing
plan
t,fi
ner
grad
es o
f qu
ickl
ime
may
be
used
.W
here
a s
eale
d m
ixin
g pl
ant
is t
o be
use
dan
d du
st is
not
a c
once
rn H
ydra
ted
Lim
e to
BS
EN 4
59-1
:200
1,C
L90
may
be
cons
ider
ed.T
hedr
ying
rea
ctio
n ac
hiev
ed w
ith
Qui
cklim
e w
illno
t be
pre
sent
usi
ng H
ydra
ted
Lim
e.
4.3
GG
BSG
GBS
sha
ll co
mpl
y w
ith
BS66
99:1
992.
4.4
PFA
PFA
sh
all
com
ply
wit
h BS
38
92
part
1
orEN
450.
The
Engi
neer
may
als
o ap
prov
e dr
y or
con
diti
on
ed
(wet
) ru
n-o
f-st
atio
n
ash
prov
idin
g re
cen
t su
ppli
er
cert
ific
ates
indi
cati
ng
the
phys
ical
an
d ch
emic
alch
arac
teri
stic
s of
the
mat
eria
l ar
e av
aila
ble.
Befo
re u
se,c
ondi
tion
ed P
FA s
hall
be s
tore
d fo
rat
leas
t 3
days
at
min
imum
moi
stur
e co
nten
tof
10
%
and
scre
ened
to
re
mov
e pa
rtic
les
grea
ter
than
10m
m.
4.5
HR
B H
RB
shal
l com
ply
wit
h D
D E
NV
132
82:2
000.
4.6
Cem
ent
Cem
ent
shal
l be
por
tlan
d ce
men
t co
mpl
ying
wit
h BS
EN
197
-1:2
000.
4.7
Wat
er
Wat
er
shal
l no
t co
ntai
n co
mpo
nent
s th
ataf
fect
the
per
form
ance
of
the
SHB.
5.C
om
posi
tio
n
5.1
SHB
shal
l be
m
ade
from
co
nsti
tuen
tsse
lect
ed fr
om s
ecti
on 4
usi
ng p
ropo
rtio
ns t
hat
sati
sfy
the
requ
irem
ents
of
this
sec
tion
and
the
perf
orm
ance
req
uire
men
ts o
f se
ctio
n 8,
part
icu
larl
y n
oti
ng
the
req
uir
emen
ts
of
sect
ions
8.
10,
8.11
an
d 8.
12
on
stre
ngth
,tr
affi
ckin
g an
d fr
ost
resi
stan
ce r
espe
ctiv
ely.
5.2
Unl
ess
othe
rwis
e ag
reed
by
the
Engi
neer
,th
e m
inim
um p
ropo
rtio
ns o
f a
cons
titu
ent
inan
y m
ix,b
y dr
y w
eigh
t of
the
tot
al m
ix,s
hall
be;
lime
1.5%
,GG
BS 3
%,P
FA 5
% (8
% in
the
cas
e of
cond
itio
ned
PFA
),H
RB 3
% a
nd c
emen
t 3%
.
6.M
etho
d St
atem
ent
6.1
Bef
ore
co
mm
ence
men
t o
f th
e m
ain
wor
ks,
the
cont
ract
or
shal
l pr
ovid
e a
full
met
hod
stat
emen
t.Th
is
shal
l sp
ecif
y th
eo
pera
tio
nal
pro
cedu
re
for
the
wo
rks,
site
prep
arat
ion,
type
of
plan
t an
d pr
ogra
mm
e.Sp
ecif
ic
deta
ils
shal
l be
su
pplie
d re
gard
ing
esti
mat
ed
dura
tion
s an
d in
terv
als
betw
een
the
mai
n
stag
es
of
the
trea
tmen
t,li
me
amel
iora
tion
st
ages
(i
f ap
plic
able
) an
d th
ehy
drau
lic
bin
der
addi
tio
n,
curi
ng
and
prot
ecti
on.
6.2
In
part
icu
lar,
the
met
ho
d st
atem
ent
shou
ld s
peci
fy t
he p
roce
dure
s,co
ntro
ls a
ndpr
odu
ctio
n
chec
ks
wit
h
resp
ect
to
site
prep
arat
ion,
pow
der
spre
adin
g,pu
lver
isat
ion
(if
appl
icab
le),
wat
er a
ddit
ion,
MC
V,d
epth
of
mix
ing
,co
mpa
ctio
n,
insi
tu
den
sity
mea
sure
men
t,le
vel
cont
rol,
fini
shin
g ro
lling
,cu
ring
and
pro
tect
ion.
6.3
The
met
hod
stat
emen
t sh
all
incl
ude
the
inte
nded
mix
ture
pro
port
ions
,the
sup
port
ive
data
to
just
ify
the
prop
orti
ons,
the
moi
stur
eco
nten
t an
d re
late
d M
CV
lim
its
and
bind
erad
diti
ons
for
all s
tage
s of
the
wor
k.
6.4
The
met
hod
stat
emen
t sh
all
incl
ude
asa
mpl
e re
cord
she
et t
o be
com
plet
ed f
or e
ach
con
stru
ctio
n
bay
deta
ilin
g;
con
stru
ctio
nti
mes
,sa
mpl
e an
d te
st l
ocat
ions
and
che
ckre
sult
s fo
r al
l co
ntro
l pa
ram
eter
s in
clud
ing
thos
e in
cla
use
6.2.
6.5
The
mai
n w
orks
sha
ll no
t co
mm
ence
unt
ilre
ceip
t of
a s
atis
fact
ory
met
hod
stat
emen
tan
d re
cord
she
et.
7.D
emo
nstr
atio
n ar
ea
7.1
Prio
r to
th
e co
mm
ence
men
t of
th
e m
ain
wo
rks,
the
con
trac
tor
shal
l u
nde
rtak
e a
dem
on
stra
tio
n
area
o
f at
le
ast
80
0m
2
conf
orm
ing
to
his
met
hod
stat
emen
t.Th
ede
mon
stra
tion
are
a sh
all
cons
ist
of a
t le
ast
2fu
ll-w
idth
bay
s so
as
to i
nclu
de a
tra
nsve
rse
end-
of-b
ay jo
int.
7.2
The
dem
onst
rati
on a
rea
may
be
acce
pted
into
the
perm
anen
t w
orks
wit
h th
e ag
reem
ent
ofth
e En
gine
er.
8.M
ixtu
re P
erfo
rman
ce a
nd C
ons
truc
tio
nRe
quir
emen
ts
The
freq
uenc
y of
tes
ts,c
ontr
ols
and
chec
ks s
hall
bein
acc
orda
nce
wit
h 8.
14.
8.1
Spre
ad r
ates
Wit
h th
e ex
cept
ion
of c
ondi
tion
ed P
FA,w
hich
sha
llbe
spr
ead
by b
lade
,dry
pow
ders
sha
ll be
spr
ead
bypu
rpos
e-m
ade
spre
ader
s at
ra
tes
high
en
ough
to
avoi
d no
n-un
ifor
mit
y an
d lo
w e
noug
h to
min
imis
edi
spla
cem
ent
by p
lant
tha
t tr
aver
se t
he a
rea
just
spre
ad.T
his
will
nor
mal
ly b
e be
twee
n th
e ra
nges
8 –
20 k
g/m
2 .
8.2
Am
elio
rati
on
Whe
re
lime
is
used
to
am
elio
rate
(b
reak
do
wn)
cohe
sive
soi
ls p
rior
to
the
addi
tion
of G
GBS
,PFA
,HR
Bor
cem
ent,
it s
hall
be a
dded
and
mix
ed w
ith
the
soil
not
less
tha
n 24
hou
rs n
or m
ore
than
72
hour
s be
fore
the
subs
eque
nt a
ddit
ion.
For
sulf
ate
bear
ing
cohe
sive
soils
thi
s pe
riod
sha
ll be
bet
wee
n 48
and
72
hour
s.D
urin
g th
is
peri
od
it
mus
t be
en
sure
d th
at
any
quic
klim
e ad
ded
to t
he s
oil
is f
ully
hyd
rate
d.Th
em
oist
ure
cont
ent
at t
his
stag
e sh
all b
e no
t le
ss t
han
the
OM
C (
or m
ore
than
the
equ
ival
ent
MC
V)
for
the
lime
mod
ifie
d m
ixtu
re
dete
rmin
ed
in
acco
rdan
cew
ith
the
2.5k
g Pr
octo
r m
etho
d of
BS1
924.
8.3
Mix
ing
and
pulv
eris
atio
n M
ixin
g an
d pu
lver
isat
ion
shal
l be
car
ried
out
by
one
or
mor
e pa
sses
of
a
purp
ose
mad
e m
ixer
un
til
unif
orm
ity
is a
chie
ved.
In t
he c
ase
of a
mel
iora
tion
of
cohe
sive
soi
ls (
8.2)
,the
deg
ree
of p
ulve
risa
tion
of t
hefu
ll de
pth
of t
reat
men
t af
ter
lime
addi
tion
sha
ll be
inex
cess
of
30%
,or
othe
r ag
reed
val
ue,d
eter
min
ed i
nac
cord
ance
wit
h BS
1924
.Fo
r co
hesi
ve m
ixtu
res
afte
r fi
nal
mix
ing
of t
he f
inal
cons
titu
ent
addi
tion
,th
e de
gree
of
pulv
eris
atio
n of
the
full
dept
h of
lay
er s
hall
be i
n ex
cess
of
60%
or
othe
r ag
reed
val
ue.
NO
TE:
The
mea
sure
men
t o
f th
e de
gree
o
fpu
lver
isat
ion
may
be
diff
icul
t w
ith
mix
ture
s at
or
wet
ter
than
the
OM
C.
8.4
Dep
th o
f m
ixin
g.Th
e de
pth
of m
ixin
g at
all
rele
vant
sta
ges
of t
hepr
oces
s sh
all
be c
heck
ed u
sing
sui
tabl
e re
fere
nce
stat
ion
s to
en
sure
th
at
afte
r fi
nal
tr
im
and
com
pact
ion,
the
fina
l th
ickn
ess
of t
he l
ayer
is
tosp
ecif
icat
ion.
8.5
Fina
l wat
er c
ont
ent
At
fin
al
com
pact
ion
,th
e m
ois
ture
co
nte
nt
for
gran
ular
mix
ture
s sh
all
be n
ot l
ess
than
0.9
OM
Cde
term
ined
in a
ccor
danc
e w
ith
the
vibr
atin
g ha
mm
erm
etho
d of
BS1
924,
and
for
cohe
sive
mix
ture
s no
tle
ss t
han
the
OM
C (
or m
ore
than
the
equ
ival
ent
MC
V)
dete
rmin
ed i
n ac
cord
ance
wit
h th
e 2.
5 kg
Proc
tor
met
hod
of B
S192
4.
8.6
Co
mpa
ctio
nFi
nal
com
pact
ion,
incl
udin
g fi
nish
ing
rolli
ng,s
hall
beco
mpl
eted
wit
hin
2 ho
urs
of m
ixin
g of
cem
ent,
4ho
urs
for
GG
BS a
nd H
RB,
and
6 ho
urs
for
PFA
.Whe
rea
sing
le p
owde
r is
add
ed o
ver
2 op
erat
ions
,the
tim
esh
all a
pply
fro
m t
he m
ixin
g of
the
fir
st a
pplic
atio
n.
8.7
Surf
ace
fini
shO
n co
mpl
etio
n of
fin
al c
ompa
ctio
n,th
e su
rfac
e of
the
laye
r sh
all
be w
ell
clos
ed,f
ree
from
mov
emen
tun
der
com
pact
ion
plan
t,an
d fr
ee f
rom
rid
ges,
crac
ks,
loos
e m
ater
ial,
segr
egat
ed a
reas
,pot
hol
es,r
uts
and
othe
r de
fect
s.O
n no
acc
ount
is it
per
mis
sibl
e to
add
thin
laye
rs o
f m
ater
ial t
o bu
ild u
p ar
eas
that
are
low
once
rol
ling
has
star
ted.
8.8
Den
sity
The
full
dept
h of
the
lay
er s
hall
be c
ompa
cted
to
anav
erag
e de
nsit
y of
not
less
tha
n 95
% o
f th
e av
erag
efr
esh
wet
den
sity
of
the
stre
ngth
spe
cim
ens
mad
e in
acco
rdan
ce w
ith
clau
se 8
.10.
The
insi
tu w
et d
ensi
tysh
all
be m
easu
red
usin
g a
nucl
ear
dens
ity
gaug
e in
acco
rdan
ce w
ith
BS19
24:
1990
.Th
e av
erag
e in
situ
dens
itie
s sh
all
rela
te t
o th
e m
ean
of t
he r
esul
ts f
oron
e da
y pr
oduc
tion
sam
ples
spe
cifi
ed in
Tab
le S
HB.
8.9
Seal
ing
Imm
edia
tely
on
com
plet
ion
of c
ompa
ctio
n,th
e su
rfac
eof
the
lay
er s
hall
be s
eale
d w
ith
a bi
tum
en e
mul
sion
appl
ied
at
the
rate
of
0.
5 lit
re/m
2 .A
lter
nati
vely
anot
her
appr
oved
pro
duct
at
an e
quiv
alen
t ap
plic
atio
nm
ay b
e us
ed o
r a
sing
le s
urfa
ce d
ress
ing
(see
8.1
1) t
oac
hiev
e a
cont
inuo
us a
nd c
onsi
sten
t se
al a
cros
s th
ew
hole
are
a of
the
wor
ks.
8.10
Str
engt
h St
reng
th
shal
l be
m
easu
red
usin
g sa
mpl
es
of
the
mix
ture
rep
rese
ntin
g th
e fu
ll de
pth
of t
he l
ayer
aft
erfi
nal
mix
ing.
Gro
ups
of
cubi
c or
1:
1 cy
lindr
ical
spec
imen
s re
pres
enti
ng
one
day’
s w
ork
shal
lde
term
ine
the
aver
age
com
pres
sive
str
engt
h.Th
eysh
all
be m
ade
in r
igid
pla
stic
(H
DPE
) m
ould
s an
dco
mpa
cted
to
refu
sal
wit
hin
one
hour
of
the
fina
lco
nsti
tuen
t ad
diti
on
in
acco
rdan
ce
wit
h ei
ther
BS19
24 o
r us
ing
MC
V a
ppar
atus
.The
spe
cim
ens
shal
lbe
sea
led
and
cure
d as
des
crib
ed in
BS1
924-
2,se
ctio
n4.
1.6,
usin
g th
e re
com
men
dati
ons
for
cem
ent
to c
over
SHB
that
con
tain
cem
ent
and
the
reco
mm
enda
tion
sfo
r lim
e to
cov
er S
HB
that
do
not
cont
ain
cem
ent.
The
stre
ngth
s re
cord
ed s
hall
be n
ot l
ess
than
1 M
Pa o
rot
her
spec
ifie
d va
lue
(see
8.1
1 an
d 8.
12).
NO
TE 1
:W
hate
ver
the
age
of t
esti
ng a
nd c
urin
gco
ndit
ions
,it
shou
ld b
e no
ted
that
SH
B m
ade
from
hig
h
plas
tici
ty
clay
s m
ay
stru
ggle
to
re
ach
com
pres
sive
str
engt
hs o
f 1
MPa
.
NO
TE 2
:A
s an
alt
erna
tive
to,
or in
con
junc
tion
wit
h,co
mpr
essi
ve s
tren
gth,
labo
rato
ry o
r in
situ
sur
face
stif
fnes
s ca
n
be
spec
ifie
d.Fo
r gu
idan
ce,
inco
mpa
riso
n w
ith
the
abov
e co
mpr
essi
ve s
tren
gth,
labo
rato
ry N
AT s
tiff
ness
wou
ld r
ange
upw
ards
fro
m10
00 M
Pa a
nd,d
epen
ding
on
age
and
tem
pera
ture
,in
situ
su
rfac
e st
iffn
ess
fro
m
20
0
MPa
.M
CV
appa
ratu
s h
as
been
fo
un
d su
itab
le
for
the
man
ufac
ture
of
NAT
sti
ffne
ss s
peci
men
s.
NO
TE
3:A
s a
furt
her
alte
rnat
ive
to
com
pres
sive
stre
ngth
,so
aked
C
BR
test
ing
may
be
em
ploy
ed.
Typi
cally
,a
CBR
val
ue o
f 10
0% m
ay b
e co
nsid
ered
equi
vale
nt t
o 1
MPa
com
pres
sive
str
engt
h.
8.11
Tra
ffic
abili
ty
Unl
ess
agre
ed
othe
rwis
e,co
nstr
ucti
on
plan
t an
dtr
affi
c sh
all n
ot r
un o
n th
e la
yer
othe
r th
an t
o en
able
cons
truc
tion
of
the
over
lyin
g la
yer.
Not
e:Ex
peri
ence
su
gges
ts
that
SH
B m
eeti
ng
the
stre
ngth
lev
el o
f 1
MPa
spe
cifi
ed i
n 8.
10 s
houl
dpr
ovid
e a
suff
icie
ntly
rob
ust
laye
r fo
r si
te t
raff
icki
ngas
soci
ated
w
ith
the
next
la
yer
and
poss
ibly
fo
rdr
aina
ge a
nd e
dge
deta
il w
ork.
Whe
re t
raff
icki
ng w
illbe
lig
ht,a
spe
cifi
ed s
tren
gth
as l
ow a
s 0.
5 M
Pa m
aysu
ffic
e.W
here
hea
vy t
raff
icki
ng i
s ex
pect
ed t
hen
asp
ecif
ied
stre
ngt
h
of
at
leas
t 1
.5
MPa
w
ill
bene
cess
ary.
In t
he l
ater
cas
e,co
nsid
erat
ion
shou
ld b
egi
ven
to t
he a
pplic
atio
n of
a s
urfa
ce d
ress
ing. lime
thin
k
21425_specPav1_sheet 13/1/06 12:12 pm Page 1
spec
ific
atio
n data
BR
ITIS
H L
IME
AS
SO
CIA
TIO
N
Qua
rry
Pro
duct
s A
ssoc
iatio
n,G
illin
gham
Hou
se,
38-4
4 G
illin
gham
Str
eet,
Lond
on
SW
1V 1
HU
Te
l 020
7 96
3 80
00
Fax
020
7 96
3 80
01
emai
l inf
o@qp
a.or
g
3pa
vem
ents
The
Brit
ish
Lim
e A
ssoc
iati
on is
one
of
the
cons
titu
ent
bodi
es o
f th
e Q
uarr
y Pr
oduc
ts A
ssoc
iati
on,t
he t
rade
asso
ciat
ion
for
the
aggr
egat
e,as
phal
t an
d re
ady-
mix
edco
ncre
te in
dust
ries
.w
ww
.bri
tish
lime
.org
8.12
Fro
st r
esis
tanc
e Th
e SH
B la
yer
shal
l ha
ve s
uffi
cien
t st
reng
th,
prot
ecti
on o
r bi
nder
add
itio
n to
wit
hsta
nd
surf
ace
fro
st
effe
cts
duri
ng
and
afte
r
cons
truc
tion
.In
add
itio
n it
sha
ll be
abl
e to
wit
hsta
nd f
rost
hea
ve if
use
d w
ithi
n th
e zo
ne
of f
rost
pen
etra
tion
whe
re g
roun
d w
ater
can
be d
raw
n-up
into
the
SH
B la
yer.
If t
he d
esig
n in
dica
tes
the
SHB
laye
r w
ill b
e
wit
hin
450m
m o
f th
e ro
ad s
urfa
ce,o
r 35
0mm
if t
he a
nnua
l fro
st in
dex
of t
he s
ite
is le
ss t
han
50
,th
en
resi
stan
ce
to
fro
st
mu
st
be
dete
rmin
ed in
acc
orda
nce
wit
h BS
1924
:Par
t 2
and
the
amen
ded
BS81
2 te
st.
This
is
in a
ccor
danc
e w
ith
clau
se 6
02.1
9 of
the
Spec
ific
atio
n fo
r H
ighw
ay W
orks
.Fr
ost
susc
epti
bilit
y sh
ould
be
dete
rmin
ed a
fter
28
days
cur
e bu
t th
is m
ay b
e ex
tend
ed t
o 56
day
s
if t
he m
ater
ial
is s
low
to
gain
str
engt
h an
d
deve
lop
fros
t re
sist
ance
.
Not
e 1:
It
is
advi
sed
that
du
ring
co
nstr
ucti
on
and
prio
r to
ove
rlay
ing,
the
tem
pera
ture
of
SHB
shal
l not
fal
l bel
ow 5
ºC.I
n or
der
to a
llow
SH
B
to g
ain
adeq
uate
str
engt
h be
fore
the
fir
st
fro
sts,
it
is
reco
mm
ende
d th
at
SHB
cons
truc
tion
sha
ll no
t be
und
erta
ken
afte
r th
e
end
of
Oct
obe
r an
d in
th
e ca
se
of
the
lime/
PFA
bin
der
com
bina
tion
,no
t af
ter
the
end
of S
epte
mbe
r.
8.13
Vo
lum
e st
abili
ty
Vol
ume
stab
ility
tes
ting
of
the
mix
ture
sha
ll be
car
ried
out
in a
ccor
danc
e w
ith
the
imm
ersi
on t
est
inBS
1924
and
sat
isfy
the
req
uire
men
ts o
f Ta
ble
VS.
The
seal
ed c
urin
g pe
riod
pri
or t
o im
mer
sion
sha
llbe
28
days
and
the
imm
ersi
on p
erio
d 32
day
s.
TABL
E V
S
SHB
type
Imm
erse
d st
reng
th in
MPa
%ag
e vo
lum
etri
c sw
ellin
gC
ohes
ive
> 6
5% o
f no
n-im
mer
sed
stre
ngth
at
60 d
ays
< 2
Gra
nula
r>
80%
of
non-
imm
erse
d st
reng
th a
t 60
day
s<
1
NO
TE:T
he B
S te
st c
an b
e ca
rrie
d ou
t on
cyl
inde
rs a
s w
ell a
s cu
bes
and
can
be c
arri
ed o
ut a
t ea
rlie
rag
es w
ith
or w
itho
ut a
ccel
erat
ed c
urin
g if
con
veni
ent.
8.14
Tes
ting
fre
quen
cyC
ompl
ianc
e w
ith
the
abov
e re
quir
emen
ts s
hall
be d
eter
min
ed i
n ac
cord
ance
wit
h Ta
ble
SHB
atlo
cati
ons
agre
ed w
ith
the
Engi
neer
.
TABL
E SH
B
Test
/co
ntro
lRe
fere
nce
clau
seSu
gges
ted
freq
uenc
y (m
ay b
e m
odi
fied
eit
her
way
dep
endi
ng o
n pe
rfo
rman
ce a
nd t
he
natu
re o
f th
e jo
b)O
N T
HE
CO
NST
ITU
ENTS
:So
il:m
/c,p
last
icit
y or
gani
cs1
per
1,00
0m2
carr
ied
out
and
repo
rted
inan
d to
tal p
oten
tial
sul
fate
4.1
adva
nce
of t
he w
orks
Add
ed c
onst
itue
nts:
4.2,
4.3,
4.4,
Wee
kly
Supp
lier
cert
ific
ate
4.5,
4.6
Add
ed c
onst
itue
nts:
8.1
3 pe
r 50
0m2
Spre
ad r
ates
ON
TH
E SH
B:M
oist
ure
cont
ent/
MC
V8.
21
per
500m
2bu
t no
t le
ss t
han
3 pe
r da
y af
ter
lime
addi
tion
Moi
stur
e co
nten
t/M
CV
8.5
1 pe
r 50
0m2
but
not
less
tha
n 6
per
day
at f
inal
com
pact
ion
If a
pplic
able
,pul
veri
sati
on8.
31
per
500m
2bu
t no
t le
ss t
han
3 pe
r da
yaf
ter
lime
addi
tion
If a
pplic
able
,pul
veri
sati
on8.
31
per
500m
2bu
t no
t le
ss t
han
3 pe
r da
yat
fin
al c
ompa
ctio
n D
epth
of
mix
ing
at a
ll8.
41
per
500m
2bu
t no
t le
ss t
han
5 pe
r da
y.re
leva
nt s
tage
sIn
-sit
u de
nsit
y8.
8D
itto
Com
pres
sive
str
engt
h8.
101
per
500m
2bu
t no
t le
ss t
han
3 pe
r da
y*Fi
nal l
evel
8.4
To b
e ag
reed
but
for
a r
oad
sugg
est;
Gri
d:10
m lo
ng,2
m t
rans
vers
eV
olum
e st
abili
ty8.
131
pair
per
300
0 m
2bu
t no
t le
ss t
han
1 pa
ir p
er d
ay*
*
Thus
a m
inim
um o
f 5
stre
ngth
spe
cim
ens
are
mad
e pe
r da
y;th
e av
erag
e w
et d
ensi
ty o
f th
e 5
prov
idin
g th
e ta
rget
den
sity
for
the
insi
tu d
ensi
ty.
Rev
:12
July
200
4
BR
ITIS
H L
IME
AS
SO
CIA
TIO
N
21425_specPav1_sheet 13/1/06 12:12 pm Page 2