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PIPE JACKING
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PIPE JACKING METHOD
Brief description of
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INTRODUCTION
The increase in urban develo!en" is acco!anied b# lar$e scale civil%or&s 'or in'ras"ruc"ure "o suor" i"( A !a)or or"ion o' such in'ras"ruc"ureco!rises o' subsur'ace u"ili"ies ne"%or&s( *uch u"ili"ies ne"%or&s li&e%a"er sul# lines+ se%era$e disosal ne"%or&s+ $as sul# , cables#s"e!s 'or o%er , co!!unica"ion are "he bac&bone o' "he urbandevelo!en"(
Trenchless "echnolo$# is !ore and !ore %idel# used in urban areas(
Di-eren" "renchless "echnolo$ies are used %orld%ide. "he "er!inolo$# isno" in all cases sa!e(
/hen %e "al& abou" "renchless "echnolo$#+ "%o !ain i"e!s area used are!icro0"unnellin$ and ie )ac&in$( The# have co!!on ai!+ or 1nal resul"s+a s!all dia!e"er "ubular under$round suor" lon$ e2cava"ion "o heldinside ies+ cable+ %ires and so on called !icro0"unnel(
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PIPE JACKING
/i"h ie )ac&in$+ u"ili"# lines and ies are driven under$round in se$!en"s
'ri! "he s"ar"in$ or launchin$ sha'" usin$ h#draulic )ac&s(
A'"er "he s"ar"in$ and "ar$e" sha'"s desi$ned "o absorb "he )ac&in$ 'orces havebeen cons"ruc"ed+ "he 'ace is cu" %i"h a cu""in$ shoe or under "he ro"ec"ion o'
shield "unnellin$ !achine(
/i"h each successive ies+ cu""in$ shield is advanced+ "he h#draulic )ac&sbearin$ a$ains" "he rein'orced %all o' "he sha'"( In "his %a# each individual ies
lo%ered in "o "he sha'"+ )oinin$ "o "he revious one and "hen )ac&in$ 'or%ard(
The overcu" roduced b# "he cu""in$ shoe is $rou"ed %i"h ce!en" "hrou$h in "he
ies(
In lon$ san ie )ac&in$ in"er!edia"e )ac&in$ s"a"ions are used "o reduced "he
)ac&in$ ressures and 'acili"a"e curved drives( /i"h lon$ "unnels+ "here are
in"er!edia"e sha'"s %hich !a# be crossed b# "he ie sec"ion(
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PIPE JACKING
The ies are usuall# !ade o' hi$h s"ren$"h concre"e "o %i"hs"and "hehi$h )ac&in$ 'orces( The# 'or! drivin$ ele!en"s and er!anen"suor"s a" "he sa!e "i!e(
Their %all "hic&ness and %ei$h"s are de"er!ined b# !a2i!u!co!ression 'orce occurrin$( The can be u "o 34c! "hic& and %ei$h"
!ore "han 54"ons+ and "he# are !ade on or o- si"e( Pie )ac&in$ is a "renchless "echnolo$# !e"hod 'or ins"allin$ a
re'abrica"ed ie "hrou$h "he $round 'ro! a drivin$ sha'" "o arece"ion sha'"(
In "he ie )ac&in$ oera"ion+ )ac&s loca"ed in "he drive sha'" roel"he ie( The )ac& 'orce is "rans!i""ed "hrou$h "he ie0"o0iein"erac"ion+ "o "he e2cava"in$ 'ace( /hen "he e2cava"ion isacco!lished+ "he soil is "ransor"ed "hrou$h "he )ac&in$ ie in "hedrive sha'" b# !anual or !echanical !eans
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6ENE7IT* O7 PIPE JACKING
*a'e /or&in$ and /ell En$ineered
*"ruc"urall# *ound
Con"inuous Ground *uor"Mini!al Join"s
Gas&e" Orien"ed 7le2ible Join"s
Main"enance07reeGood 7lo% Charac"eris"ics
Technical Benets
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Reduce Disru"ionReduces Da!a$e "o *ervices
Hi$h%a# Pro"ec"ed84 9 :ess ;ehicle Move!en":ess *oil
:ess
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PROJECT DE*CRIPTION
Cons"ruc"ion o' >?@5! lon$ ra% %a"er ieline 'ro! Kran)i II u!in$ s"a"ion "o Tur' ClubAvenue
*"eel ies o' dia!e"ers ?44!!+ 844!! and>44!! %i"h bu""erB# valves+ air valves and%ashou" cha!bers(
Oen cu" ie la#in$ and ie )ac&in$ !e"hod
used( Pro)ec" eriod >nd *e"e!ber >4 "o s"
*e"e!ber >45
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PROJECT :AOUT
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PROGRE** *TATEMENTSecto
r
Chainage Type Status
*ec"or
+@(5> 0>+?@3(85
Oen cu" H#dro "es" co!le"ed
*ec"or
>
+??(34 0
+@(5>
Pie
Jac&in$
Pie )ac&in$ on$oin$
*ec"or
4(444 0 >3?(85? Oen cu" H#dro "es" , reins"a"e!en"co!le"ed
*ec"or
3
>3?(85? 0
>@8(35@
Pie
Jac&in$
H#dro "es" , reins"a"e!en"
co!le"ed
*ec"or5
835(8@ 0>@4(48
Pie Jac&in$
Pie )ac&in$ on$oin$
*ec"or >@4(48 0??(34 Oen cu" Pie la#in$ co!le"ed
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PROCEDURE , *E
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OPEN CUT PIPE :AING=
Cha!bercons"ruc"ion ,
1""in$s ins"alla"ion
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PROCEDURE , *E
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PIPE JACKING METHOD
Brief description of
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6ENE7IT* O7 PIPE JACKING
*a'e /or&in$ and /ell En$ineered
*"ruc"urall# *ound
Con"inuous Ground *uor"
Mini!al Join"s
Gas&e" Orien"ed 7le2ible Join"s
Main"enance07ree
Good 7lo% Charac"eris"ics
Technical Benets
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Reduce Disru"ionReduces Da!a$e "o *ervices
Hi$h%a# Pro"ec"ed84 9 :ess ;ehicle Move!en":ess *oil
:ess
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IN*TRUMENTATION , MONITORING
As er PE desi$n ins"ru!en"a"ion %ill beins"alled( *uch as
Inclino!e"er
/a"er s"and ie
*e""le!en" !ar&ers
Pris!s on e2is"in$ s"ruc"uresIns"ru!en"s ini"ial readin$ recordedbe'ore cons"ruc"ion co!!enced(7reuenc# o' !oni"orin$ decide b# PE(
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Construction of Jacking Shaft Installation & Setting up of Jacking
Machine
Initial Driving
Main Driving
(if required, intermediate Jacking)
reakthrough to !eceiving Shaft "ifting of Jacking Machine
PIPE JACKING *E
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IN*TA::ATION
Cons"ruc"ion o' "rus" bloc&+ En"rance rin$ and
en"rance %all and ins"alla"ion o' $uide rails "o
acco!!oda"e "he T6M(
Ins"alla"ion o' h#draulic !ain )ac&s in "he )ac&in$
sha'" "o )ac& "he T6M , concre"e ies in"o "he
$round(
The )ac&s are se" u "o$e"her %i"h accessories as
ressure la"e+ "hrus" rin$ and $uide rails(
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IN*TA::ATION=
Equipment rrangementPrepared by K.Sivanathan
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PIPE JACKING MACHINE
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PIPE JACKING MACHINE
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Laser GuidanceLaser Guidance
PIPE JACKING MACHINE=
# !eal$%ime "evel and "ine Checks
# Maintains ccurac' in Difficult round
# llos !emote *perations
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INTERMEDIATE JACKING *TATION*IJ*
In"er!edia"e Jac&in$ *"a"ions %ill be in"roduced 'or )ac&in$ san o' !ore "han >4!
C#lindrical s"eel cans %i"h in"e$ra"ed h#draulic
c#linders
Ins"alled in"o "he ieline a" de1ned dis"ances
Aro2( ever# 44! deendin$ on )ac&in$ 'orce
Oera"ion %hen "he er!issible )ac&in$ 'orce is
reached a" "he !ain )ac&in$ s"a"ion Aro2( 3@4 Tons
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INTERMEDIATE JACKING *TATION*IJ*
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PIPE JACKING
*hee" ilin$ , sha'"e2cava"ion
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PIPE JACKING
*e""in$ u , T6M
lo%erin$
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PIPE JACKING
Pie )ac&in$ inro$ress
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THANK OU
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