takeshi iwakubo
TRANSCRIPT
Company(ผูบ้รรยาย):
Sanshin Corporation
Technical Name(หวัขอ้เทคโนโลย)ี:
Highly advanced chemical grouting
– Multi Strainer Grout
วธิมีลัตสิเตรนเนอร-์
การววิฒันาการอนัยิง่ใหญ่ของเทคโนโลยกีารอดัฉีดตัง้แต่อดตีถงึปจัจุบนั
Presenter:
岩久保 建志
Takeshi Iwakubo
103
104
Sa
ns
hin
Co
rpo
rati
on
Mu
lti S
trai
ner
Gro
ut
high
ly a
dvan
ces
conv
entio
nal
chem
ical
gro
ut fo
r st
reng
then
ing
loos
e an
d so
ft gr
ound
. T
his
tech
nolo
gy u
tiliz
ing
colu
mn
gro
ut
sou
rces
can
pr
oduc
e co
nsid
erab
ly la
rger
sta
biliz
ed s
oil
mor
e th
an
conv
entio
nal g
rout
hav
ing
spo
t g
rou
t so
urc
es, t
hen,
co
ntrib
utes
dra
stic
red
uct
ion
in g
rou
t h
ole
s an
d w
ork
p
rog
ram
, an
d m
akes
eco
no
my.
Sem
inar
on
Jap
anes
e C
on
stru
ctio
n
Tech
no
log
y in
Th
aila
nd
201
6
14TH
Sep
tem
ber
201
6Se
min
ar o
n Ja
pane
se C
onst
ruct
ion
Tech
nolo
gy in
Tha
iland
201
620
16/9
/14
SA
NS
HIN
CO
RP
OR
AT
ION
WH
AT
’S C
HE
MIC
AL G
RO
UT
?
Jap
anes
e C
hem
ical
Gro
ut
VS
Co
nve
nti
on
al G
rou
t
2
Che
mic
al G
rout
Con
vent
iona
l Gro
ut
Mat
eria
lAqu
eous
solution
based on
mainly
sodium
silicate
Cem
ent o
rmicro-
cemen
t grout
Permea
blein san
dy soil
Not permea
bleeven
in san
d
Pro
cedu
reInstalling ou
terpipe
Grout by do
uble packer de
vice
On multiple stage
s
Installing ou
ter pipe
Grout by do
uble packer de
vice
Onsing
lestag
e
Mo
re E
ffec
tive
gro
un
d t
reat
men
t b
y C
hem
ical
Gro
ut
•O
n C
ut-o
ff pe
rfor
man
ce,
•O
n S
tren
gthe
ning
loos
e gr
ound
, •
For
Wid
er r
ange
of s
oil t
ype
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
MU
LT
I S
TR
AIN
ER
GR
OU
T
MA
IN F
EA
TU
RE
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N3
Gro
ut
fro
m
Co
nve
nti
on
al N
ozz
le
Packer
Permea
ble
grou
t expan
ds
sphe
rically at
a stag
e
0.33
m at
every
stag
e
Gro
ut
fro
m M
ult
iple
No
zzle
s
Packer
Permeable
grout
expands in
column shape
at a stage
1.5~2.0m
at every
stage
Larger
permeation
Sta
ge In
terv
al:
1.5
to 2
.0m
Gro
ut H
ole
Spa
cing
:2.
0 to
3.0
mS
tage
Inte
rval
: 0.
33m
Gro
ut H
ole
Spa
cing
:1.
0to
1.8
mS
uit
able
fo
r M
ass
Trea
tmen
t w
ith
ou
t cr
uci
al s
eep
age
per
form
ance
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
WO
RK
PR
OC
ED
UR
E
4
Dril
ling
Inst
alla
tion
of
Out
er P
ipe
Prim
ary
Gro
utS
econ
dary
G
rout
Com
plet
ion
Tem
pora
ryC
asin
g（90
~11
0mm
）
Sea
l Gro
utin
g af
ter
drill
ing
Inse
rtin
g O
uter
Pip
e w
ith
with
draw
ing
casi
ng p
ipes
.
Wat
er C
rack
ing
usin
g in
ner
tube
(do
uble
pa
cker
)P
rimar
yG
rout
ing
byce
men
t-ba
sed
mat
eria
l
Sec
onda
ry G
rout
ing
by p
erm
eabl
e m
ater
ial
usin
g in
ner
tube
(d
oubl
e pa
cker
)
Dril
ling
Sea
l G
rout
ing
Inse
rtin
g ou
ter
pipe
With
draw
ing
casi
ng p
ipe
Wat
er
crac
king
Prim
ary
Gro
utin
gS
econ
dary
G
rout
ing
Com
plet
ion
Inne
r T
ube
(dou
ble
pack
er)
Tem
pora
ry
casi
ng
105
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
DR
ILLIN
G &
PIP
E I
NS
TA
LLA
TIO
N
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N5
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
GR
OU
TIN
G E
QU
IPM
EN
T &
AC
CE
SS
OR
IES
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N6
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
GR
OU
TIN
G W
OR
K
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N7
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
Loosen
ed
Groun
d
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
AP
PLIC
AT
ION
:
PR
OT
EC
TIO
N F
OR
TB
M W
OR
K
Gro
un
d S
ettl
emen
t In
du
ced
by
Tun
nel
ing
Wo
rk
8
TBM
Settlement
Tilting
Tilting
Tilting
106
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
Ch
emic
al G
rou
tin
g a
gai
nst
to
Tu
nn
elin
g-i
nd
uce
d s
ettl
emen
t
•C
over
ing
loos
e ro
of•
Als
o, a
vaila
ble
for
com
pens
atio
n gr
outin
g
9
AP
PLIC
AT
ION
:
PR
OT
EC
TIO
N F
OR
TB
M W
OR
K
TBM
Che
mical
Grout
No Settlement
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
Exc
avat
ion
bes
ide
Exi
stin
g F
acili
ties
an
d B
uild
ing
s
Gro
un
d S
ettl
emen
t d
uri
ng
wo
rk
•D
efor
mat
ion
of w
all
•Im
prop
er D
rain
age
•G
roun
d D
istu
rban
ce
▽G
rou
nd
Wa
ter
Ta
ble
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
AP
PLIC
AT
ION
:
PR
OT
EC
TIO
N F
OR
DE
EP
EX
CA
VA
TIO
N
10
Settlement
Tilting
Deformation
after removal
Drained
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
▽G
rou
nd
Wa
ter
Ta
ble
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
Exc
avat
ion
bes
ide
Exi
stin
g F
acili
ties
an
d B
uild
ing
s
Ch
emic
al G
rou
t
•S
uppl
ying
Cut
-off
•S
tren
gthe
ning
aga
inst
gr
ound
dis
turb
ance
11
AP
PLIC
AT
ION
:
PR
OT
EC
TIO
N F
OR
DE
EP
EX
CA
VA
TIO
N
Chemical
Grout
Cut-Off
Strengthening
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
▽G
rou
nd
Wa
ter
Ta
ble
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
AP
PLIC
AT
ION
:
MA
INT
EN
AN
CE
OF H
ISTO
RIC
AL H
ER
ITA
GE
S
Gro
un
d M
itig
atio
n b
y C
hem
ical
Gro
ut
•S
mal
l equ
ipm
ent a
cces
ses
easi
ly•
Incl
ined
inst
alla
tion
cove
rs u
nder
the
subj
ect
•W
ithou
t was
te m
ater
ial
•P
repe
nd fu
rthe
r se
ttlem
ent
12
107
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
2016
/9/1
4
JO
B R
EFE
RE
NC
E
13
Sum
mar
y of
the
cons
truc
tion
Soi
lLo
ose
sand
Gro
ut H
oles
194
Gro
ut Q
uant
ity3,
490m
3P
rimar
y: 5
%, S
econ
dary
35.5
%
Gro
ut M
ater
ial
Prim
ary:
Geo
-Pac
kG
rout
Sec
onda
ry: P
erm
aR
ock
Gro
ut
Targ
et S
tren
gth
UC
S:6
0kN
/m2
Aga
inst
to L
ique
fact
ion
of
Exi
stin
g F
uel T
ank,
Jap
an
Sch
emat
ic C
ross
sec
tion
Sch
emat
ic P
lan
SA
NS
HIN
CO
RP
OR
AT
ION
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
JO
B R
EFE
RE
NC
E
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N14
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
SU
MM
AR
Y
Gro
un
d t
reat
men
t b
y C
hem
ical
Gro
ut
wit
h m
ore
eff
ecti
ve t
han
co
nve
nti
on
al T
AM
Gro
ut
•C
ut-o
ff pe
rfor
man
ce,
•S
tren
gthe
ning
loos
e gr
ound
, •
Wid
er r
ange
of s
oil t
ype
Mu
lti S
trai
ner
Gro
ut
adva
nce
s co
nve
nti
on
al g
rou
t
•P
oten
tial i
n re
duct
ion
of g
rout
hol
es a
nd w
orki
ng p
rogr
am•
Opp
ortu
nitie
s to
str
engt
heni
ng lo
ose
grou
nd a
s m
ass
impr
ovem
ent
Sp
ecia
l ad
van
tag
e in
Ch
emic
al G
rou
t Ap
plic
atio
n
•E
xcel
lent
per
form
ance
clos
e to
/ un
der
exis
ting
faci
litie
s an
d bu
ildin
gs a
gain
st to
Tun
nelin
g w
ork,
dee
p ex
cava
tion
…..
�S
mal
l equ
ipm
ent
�In
clin
ed in
stal
latio
n�
Per
form
ance
in s
oil s
tren
gthe
ning
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N15
Sem
inar
on
Japa
nese
Con
stru
ctio
n Te
chno
logy
in T
haila
nd 2
016
2016
/9/1
4S
AN
SH
IN C
OR
PO
RA
TIO
N
TH
AN
K Y
OU
Fo
r fu
rth
er in
form
atio
n a
nd
en
qu
irie
s
Ple
ase
visi
t o
ur
web
-sit
e;
UR
L: h
ttp://
ww
w.s
ansh
in-c
orp.
co.jp
/F
eel f
ree
to c
on
tact
us;
Take
shi I
wak
ubo
Man
ager
, Tai
pei B
ranc
h, E
-mai
l: t-
iwak
ubo@
sans
hin-
corp
.co.
jpTe
l: +
886-
2-23
88-8
039
Fax
: +86
6-2-
2375
-983
0
Koz
o T a
keda
Man
ager
, Sal
es D
ivis
ion,
E-m
ail:
k-ta
keda
@sa
nshi
n-co
rp.c
o.jp
Tel:
+81
-358
25-3
704
Fax
: +81
-358
25-3
756
16
108