Advanced Technology of Tunneling in Hard Rock Mining

8/16/2019 Advanced Technology of Tunneling in Hard Rock Mining

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CRITERIA FOR SELECTION OF ADVANCEDTECHNOLOGY OF TUNNELING IN

HARD ROCK MINING AND A CASE STUDY.

By:- NIRMAL KUMAR MUNDA 114MN0280


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INTRODUCTIONA tunnel is an under r!und !r under"a#er $assa e"ay% du #&r!u & #&e surr!undi

s!i'(ear#&(r!)* and en)'!sed e+)e$# ,!r en#ran)e and e+i#% )! !n'y a# ea)& end.A #unne' ay /e ,!r ,!!# !r e&i)u'ar r!ad #ra )% ,!r rai' #ra )% !r ,!r a )ana'.

T&e De'a"are A uedu)# in Ne" 3!r*% U A is #&e '!n es# #unne' !, any #y$e in #&e"!r'd a# 156 * 78 i9.

a)#!rs ,!r a'' #y$es !, #unne' $r! ressin :

;+)a a#e

Dis$!se !, #&e u)*

Line #&e e+)a a#ed r!und.


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T3


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ACTOR A ;CTIN ; CA ATI

Minera'! i)a' )! $!si#i!n !, r!)*

Te+#ure and ,a/ri)


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TUNN;LIN M;T>OD IN >ARD R


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T&e se'e)#i!n !, a #unne''in e#&!d de$ends !n any ,a)#!rs% in)'udin :• Desired ra#e ad an)e• Area !, #unne' )r!ss se)#i!n• A ai'a/'e )a$i#a' in es# en#• C!n#ra)#!rs and su$$'iers a ai'a/i'i#y

• In#a)# r!)* $r!$er#ies• R!)* ass $r!$er#ies• Desired )u##in e! e#ry• O$era#i!na' $ara e#ers• Ma)&ine s$e)i?)a#i!n• Tunne' di ensi!ns

• Tunne' e! e#ry• Len #& !, #unne'%• #!#a' !'u e #! /e e+)a a#ed• e!'! i)a' and r!)* e)&ani)a' )!ndi#i!ns• r!und "a#er 'e e' and e+$e)#ed "a#er inE!"• i/ra#i!n res#ri)#i!ns• A''!"ed r!und se##'e en#s


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ROAD >;AD;RA r!ad&eader is an en#ry-/!rin a)&ine% "&i)& /!res #&e en#ire se)#i!n !, #&een#ry in !ne !$era#i!n.

A r!ad&eader is /asi)a''y )a#e !ri ed $ri ari'y !n #y$es !, )u##in &eads% #ra erse!r '!n i#udina'% and !n #&e /asis !, #y$es !, '!adin asse /'y- a#&erin ar s%s$inner '!aders% s)ra$er )!n ey!r '!aders% #"! 'a#era' '!adin /ea s% !r !ne)en#ra' '!adin /ea .

:

A longitudinal roadheader by Mitsui Miike Machinery Co., Ltd. (Source: Rock Exca ation!andbook , Cha"

http://www.mitsuimiike.co.jp/english/product/excavator/rh/index.htmlhttp://www.mitsuimiike.co.jp/english/product/excavator/rh/index.htmlhttp://www.mitsuimiike.co.jp/english/product/excavator/rh/index.htmlhttps://miningandblasting.files.wordpress.com/2009/09/rock-excavation-handbook-tunneling.pdfhttps://miningandblasting.files.wordpress.com/2009/09/rock-excavation-handbook-tunneling.pdfhttps://miningandblasting.files.wordpress.com/2009/09/rock-excavation-handbook-tunneling.pdfhttps://miningandblasting.files.wordpress.com/2009/09/rock-excavation-handbook-tunneling.pdfhttps://miningandblasting.files.wordpress.com/2009/09/rock-excavation-handbook-tunneling.pdfhttp://www.mitsuimiike.co.jp/english/product/excavator/rh/index.htmlhttp://www.mitsuimiike.co.jp/english/product/excavator/rh/index.htmlhttp://www.mitsuimiike.co.jp/english/product/excavator/rh/index.html


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INDIATI ; DIA RAM OR ROAD>;AD;R ;L;CT>TT< :((MININ ANDBLA TIN . IL; .JORDANDBOOK-TUNN;LIN .


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>AMM;R TUNN;LIN ydrau'i) i $a)# &a ers &a e /een a$$'ied #unne''in in Is#an/u' "i#& a' !s#11* s !, #unne's &a e /een e+)a a#ed sin)e 1==2. >ere% i $a)# &a ers &a e/een a$$'ied #! #unne's !, 5 2 )r!ss se)#i!n and in r!)* "i#& R D ran in #! 100.

>a er #unne'in is su))ess,u' )! $ared #! dri''in and /'as#in "&en #&e,ra)#ured r!)* s#ru)#ure a*es )!n#r!''ed /'as#in &ard #! a)&ie e.


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CUT AND CO ;RCu# and )! er #unne'in is "e'' $r! en #e)&ni ue ,!r s&a''!" #unne's.

T %&' wn Met( '

In #&e )u#-and-)! er #!$-d!"n !r dia$&ra "a'' e#&!d% #&e !$$!si#e $r!)ess #a*es $'a)e in)!ns#ru)#in #&e #unne'.

A #ren)&er !r #ren)& )u##er is #y$i)a''y used #! di a #ren)& !u# !, #&e #&e r!und ?rs# /e,!re )!n)re#"a''s are /ui'#.

T&is $r!)esses )!nsis#s !, usin a s'urry i+#ure #! /ui'd a s'urry "a''.

T&e s'urry "a'' $r! ides #e $!rary su$$!r# #! #&e sides !, #&e #ren)& /e,!re )!n)re#e is $!ured ,!r a$er anen# "a'' s#ru)#ure.

On)e #&e )!n)re#e "a''s !, #&e #unne' are )! $'e#ed% #&e r!!, !, #&e #unne' is )!ns#ru)#ed and #&esur,a)e r!ad"ay res#!red.

;+)a a#i!n !, #&e #unne' is #&en )arried !u# #&r!u & !$enin s in #&e #unne' r!!, #!$-d!"n #! #&e#unne' E!!r.

T&e #unne' E!!r s'a/ is #&e 'as# $ar# !, )!ns#ru)#i!n #! /e )! $'e#ed.


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DRILL AND BLA T T&is is #&e !s# )!n en#i!na' e#&!d !, #unne''in and is s#i'' $ra)#i)ed and,a !ured ,!r s&!r#er #unne's% in &ard r!)*s% and "&ere #i e is n!# )!ns#rain#.

M!dern dri'' and /'as# e+)a a#i!n &as /asi) a$$r!a)& !,:

#! dri'' a $a##ern !, s a'' &!'es '!ad #&e "i#& e+$'!si es

#&e de#!na#e #&!se e+$'!si es

&en)e )rea#in an !$enin in #&e r!)*


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DRILL AND BLA T C3CL;>TT< :((MININ ANDBLA TIN . IL; .JORD


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TBM7TUNN;LLIN BORIN MAC>IN;9Be)ause !, i#s )a$a/i'i#ies #! a##ain &i & ra#es !, ad an)e in )i i' #unne')!ns#ru)#i!n% #&e #unne' /!rin a)&ine is ainin $!$u'ari#y and in#eres# #!"ardsi#s a$$'i)a#i!ns in under r!und ine de e'!$ en#.

TBMs &a e /een used ,!r #&e )!ns#ru)#i!n !, #unne's ,!r a))ess%)!n eyan)e%draina e% e+$'!ra#i!n% and "a#er di ersi!n $ur$!ses ,!r ne" and e+is#in ines.


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COMODTunnelin) Met( '# A'*$nce R$te +,-'$ /

C! ##ecti n A!e$ +, 0 / -Di$ +,/

R c" P! %e!tie# C ,,e

Pi%e 1$c"in) 20 12 70. 9 5. 712@9

Bes# sui#ed ,!r )!&esi e s!i'P)an a's! /e a$$'ied #! n!n-)!&esi e and dry )!ndi#i!ns

and in &ard r!)*s.

H$,,e! Tunnelin) 2 10 U$ #! 50 2L!" #! ediu s#ren #&P R D:0 100

R $'(e$'e!# 1 U$ #! 4 2U$ #! 140 M


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>TT< :((MININ ANDBLA TIN . IL; .JORDOD COMOD IN DI ;R;NT ROCK( OIL CONDITIO


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TBMr! #&e a/! e )!nsidera#i!ns and ,a)#s% TBMs are #&e !s# sui#a/'e #e)&ni)a'

)!nsidera#i!ns ,!r #&e )!ns#ru)#i!ns !, #unne's in inin $r! e)#s.

T&e rea#es# use !, TBMs ,!r inin &as /een ,!r ine a))ess a# #&e #i''"a#er

Mine in U A% "&ere a #&ird )a $ai n !, TBM e+)a a#i!n is )urren#'y under"ay.In #&e ear'y 1==0% a TBM "as used ,!r #&e de e'!$ en# !, !re #&an 12 * !,#unne's a# #&e an Manue' Mine in Ari !na. A 4. dia e#er !$en ain /ea #y$e !,

TBM "as used.

Ne" TBM ,!r #i''"a#er Mine 1==5 TBM a# #&e an Manue' Mine


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>TT< :((MININ ANDBLA TIN . IL; .JORD

#i''"a#er ;B U A 1==8-01 11.2 4.Minera' Cree* U A 2001 4.0 .0

A $'a#s !u#& A,ri)a 2001 0.5 2.4

M!n#e i 'i! I#a'y 2005 8. 4.=

Tas&an C!a' C&ina 2006 4.=O* Tedi


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KEY TECHNICAL CONSIDERATIONSGe l )ic$l c n'iti n# :

TBMs are !s# a$$r!$ria#e a$$'ied in &! ! ene!us r!)* )!ndi#i!ns #&a# are )!ndu)#i e ,!re+)a a#i!n% in)'udin ery s#r!n r!)* aryin ,r! 1 0 M


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• T2M l$unc(in) !e6ui!e,ent#5

T&e si#e 'ayd!"n ,!r a TBM is u)& 'ar er #&an #&a# ,!r a dri'' and /'as# !$era#i!n%and #&ere,!re a rea# ris* !, r!)*,a''(a a'an)&es i $a)# TBM !$era#i!ns durin)!ns#ru)#i!ns.

• Cutte! )e ,et! 5Cu##in #!!'s $r! ide ,!r #&e #rans issi!n !, ener y enera#ed /y #&e a)&ine #! #&er!)* in !rder #! )ause ,ra en#a#i!n.

in 'e dis) )u##ers are #&e !s# )! !n'y used r!''er )u##ers ,!r &ard r!)*.

T&ey are #&e !s# e )ien# #y$es !, r!''in )u##ers sin)e #&e en#ire )a$a)i#y !, #&e

/earin is )!n)en#ra#ed in#! a sin 'e% narr!" ed e.

• in 'e dis) )u##ers. !ur)e: #$s:(( inin and/'as#in .?'es."!rd$ress.)! #$:((inside. ines.edu(

https://miningandblasting.files.wordpress.com/https://miningandblasting.files.wordpress.com/https://miningandblasting.files.wordpress.com/https://miningandblasting.files.wordpress.com/


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>TT< :((MININ ANDBLA TIN . IL; .JORD


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S% il 'i#% #$l $n' ($n'lin)5 • $!i' )an /e re ! ed /y rai' "a !ns !r )!n ey!rs.• C!n ey!r sys#e s are enera''y used in '!n #unne's ,!r ,as#er and re ! a' !, 'ar e

!'u e !, a#eria'.

• $!i' ,r! TBM #unne's ay /e used as /a)*?'' ,!r #&e #unne' in er# #! )!ns#ru)# aEa# /!##! ed r!ad"ay% as )! !n'y re uired ,!r any #unne' uses.

L )i#tic#5• T&e ain '! is#i)s #! )!nsider ,!r #&e use !, TBMs a# ine si#es is #&e a ai'a/i'i#y !,

$!"er.•

and 'i in .


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TBM

>erren*ne) #unne'in /!rin a)&ines Cani !uV and A'/erasV are )! $a)#$!"er&!use:e ui$$ed "i#& an ins#a''ed $!"er !, 12 0*J% #&ey &a e a #!r ue !,2000 *N "i#& a )u##er&ead dia e#er !, 4.5 e#ers. T&e #unne' /!rin a)&ines&a e a 'en & !, 501 and 2 5 e#ers res$e)#i e'y and "ei &s 20 #!nnes. T&ed!u/'e s&ie'd TBMs s#ar#ed a# #&eir 'aun)& $!r#a's in Mar)& and O)#!/er 2012 #!e+)a a#e and 'ine 8.2 * '!n #unne' #&r!u & #&e &ard r!)* !, #&e Ca#a'an


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CA ;TUD3

M$c(ine T %e M$in 2e$, T2M

Di$,ete! 4. 71 .1 ,#9

Tunnel T %e Minin

Tunnel Len)t( 10. * 7 . i9

Owne! Ma a C!$$er C! $any

C nt!$ct ! r!n#ier-Ke $er C!ns#ru)#!rs In) ( Dei' ann->anie' /> F!in# en#ure

L c$ti n an Manue'% Ari !na% U A

S$n M$nuel Mine TunnelR bbin# T2M e7ten'# t(e li4e 4 $ l$!)e un'e!)! un' ,ine

• T&e $r! e)# !"ner% Ma a C!$$er C! $any% a"arded #&e )!ns#ru)#i!n )!n#ra)# #! a !in## ! ! #i K $ C! # )#! I ) d D i' > i ' /> T& !i # #

http://www.therobbinscompany.com/our-products/tunnel-boring-machines/main-beam/http://www.therobbinscompany.com/our-products/tunnel-boring-machines/main-beam/


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en#ure !, r!n#ier-Ke $er C!ns#ru)#!rs In). and Dei' ann->anie' />. T&e !in# en#ure)&!se a 4. 71 .1 ,#9 Main Bea R!//ins TBM #! /!re #&e inin #unne'.

• Ge l )• T&e L!"er Ka'a a !! e!'! y is ui#e )! $'e+% )!nsis#in !, !re/!dies% $!r$&yry% and

ran!di!ri#e. T&e #unne' r!u#e in)'udes nu er!us ,au'#s and di*es X i# $assed #&r!u & #&ean Manue' ,au'# si+ #i es and #&e ir in au'# ? e #i es. Mu)& !, #&e r!)* &ad /een

"ea*ened /y &ydr!#&er a' e#a !r$&!sis.• T2M• R!//ins desi ned #&e ne" &ard r!)* Main Bea TBM s$e)i?)a''y ,!r #&e e!'! i)a'

)!ndi#i!ns. T&e 4. 71 .1 ,#9 dia e#er )u##er&ead )!u'd re erse r!#a#i!na' dire)#i!n #!$re en# a in "&en i# en)!un#ered ,ra)#ured r!)*. T&e a)&ine a's! ,ea#ured #&ir#y-#&re16 in)& 7452 9 /a)*'!adin dis) )u##ers ,!r rea#er sa,e#y.

• B!rin /e an !n N! e /er 11% 1==5 in a s$e)ia''y $re$ared )!n)re#e )&a /er. T&ere "eren! a !r $r!/'e s )r!ssin #&e an Manue' au'#% /u# "e# )'ay a# #&e ir in au'# resu'#ed ins'!" /!rin . T&e TBM )!n#inued #! en)!un#er s!,# )'ay and )ru /'in r!und.

• R!//ins and #&e )!n#ra)#!rs added se era' ,ea#ures #! #&e a)&ine #! !$#i i e $er,!r an)e. T&ey in)reased u)* E!" #&r!u & #&e )u##er&ead% in)reased )u##er&ead #!r ue% and addaddi#i!na' r!)* su$$!r# #! #&e #unne'. A,#er #&e ini#ia' !di?)a#i!ns% TBM $er,!r an)e rea#i $r! ed. Dai'y ad an)es #ri$'ed #! 22.=4 76 .5 ,#9 $er day ,!r #&e ?rs# 1 !n#&s !,/!rin and #&e a)&ine a era ed !re #&an 50 7=8. ,#9 $er day ,!r #&e res# !, #&e $r! e

• T&e TBM s#ayed !n s)&edu'e and &!'ed #&r!u & !n De)e /er 4% 1== .

CONCLU ION


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CONCLU ION

Tunne'in is !ne !, #&e !s# &a ard!us $r! e)#s in en ineerin and )!ns#ru)#i!n. I# isa's! !ne !, #&e !s# e+$ensi e. !r #&is reas!n% e+#ensi e $'annin and sur eyin

!es in#! #&e $re-e+)a a#i!n s#a e !, #&e $r! e)#.

T&e a$$'i)a/i'i#y !, TBMs ,!r inin $r! e)#s ! er /ene?#s "&ere #i in !, essen)ein !rder #! ad an)e inin de e'!$ en# and a)&ie e ear'y s#ar#u$ !$era#i!ns. TBMsare n!# u)& sui#a/'e in s! e )ases !, "ea* r!)* s#ra#a and '!n #unne' $r! e)#s as)! $ared #! dri'' and /'as# sys#e . ! TBMs s&!u'd /e !di?ed ,!r s! e !, #&eissues su)& as #&e u'#i$'e s$eed )u##er&eads #! $r! ide !re #!r ue a# '!"er s$eed,!r !$era#in &i &'y ,ra)#ured r!und.

R; ;R;NC;


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R; ;R;NC;1. #$s:((en."i*i$edia.!r ("i*i(Tunne'

2. #$s:((en."i*i$edia.!r ("i*i(Dri''in YandY/'as#in

5. #$:((s)ien)e.&!"s#u "!r*s.)! (en ineerin (s#ru)#ura'(#unne'1.

4. #$:((""". a ineser .)! ()a e. '. #$:(( e.s&a&r!!du#.a).ir($d,Y4Y62/0))=,)d)e) )8e4/8 ,5)6 aa =. '

. #$:((""".u i)&.edu(Z s2 (#unne'. '

6. """.s'ides&are.ne#

8. """.n!di -)!ns#ru)#i!n.)!

https://en.wikipedia.org/wiki/Tunnelhttps://en.wikipedia.org/wiki/Drilling_and_blastinghttp://science.howstuffworks.com/engineering/structural/tunnel1.htmhttp://www.magmineserv.com/cave.htmlhttp://jme.shahroodut.ac.ir/pdf_4_72b0cc9fcdcecffc8e4b8fff3c75aa59.htmlhttp://jme.shahroodut.ac.ir/pdf_4_72b0cc9fcdcecffc8e4b8fff3c75aa59.htmlhttp://www.umich.edu/~gs265/tunnel.htmlhttp://www.slideshare.net/http://www.nodig-construction.com/http://www.nodig-construction.com/http://www.slideshare.net/http://www.umich.edu/~gs265/tunnel.htmlhttp://www.umich.edu/~gs265/tunnel.htmlhttp://jme.shahroodut.ac.ir/pdf_4_72b0cc9fcdcecffc8e4b8fff3c75aa59.htmlhttp://jme.shahroodut.ac.ir/pdf_4_72b0cc9fcdcecffc8e4b8fff3c75aa59.htmlhttp://www.magmineserv.com/cave.htmlhttp://www.magmineserv.com/cave.htmlhttp://science.howstuffworks.com/engineering/structural/tunnel1.htmhttp://science.howstuffworks.com/engineering/structural/tunnel1.htmhttps://en.wikipedia.org/wiki/Drilling_and_blastinghttps://en.wikipedia.org/wiki/Drilling_and_blastinghttps://en.wikipedia.org/wiki/Tunnelhttps://en.wikipedia.org/wiki/Tunnel


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Advanced Technology of Tunneling in Hard Rock Mining

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