Informe Mecanica dee rocas ii

8/16/2019 Informe Mecanica dee rocas ii

http://slidepdf.com/reader/full/informe-mecanica-dee-rocas-ii 1/20

INDICE

o DEDICATORIA 2

o INTRODUCCIÓN 3

o PRESENTACION 4

o OBJETIVOS 5

CAPÍTULO I

o GENERALDADES 6

o UBICACIÓN Y ACCESIBILIDAD 6

o CLIMA Y VEGETACIÓN 7

o GEOMORFOLOGIA HIDROGRAFIA 7

o OROGRAFIA 8

CAPÍTULO II

o GEOLOGIA REGIONAL 9

o ROCAS IGNEAS 9

o GEOLOGIA LOCAL !

CAPÍTULO III

o TRABAJOS PRELIMINARES PARA EL PROYECTO" T#NEL

$INGSMIL 2

o SISTEM%TICA DE TRABAJO DE CAMPO 2

o SISTEM%TICA DE TRABAJO DE GABINETE 9

o CONCLUSIONES 2!

o RECOMENDACIONES2

o ANE&O 2!

o BIBLIOGRAFIA25



Como muestra de cariño y

reconocimiento a nuestro colega de

profesión, Miguel SOTO

MENDIZ!", #ue $ace poco reali%ó

sus pr&cticas 're ( profesionales)



INTRODUCCIÓN

P'(' )' *)'+,('-./0 1*) (**0* (,*-, 0, *, ,()'1, *)

.:.*0* ,+;*.<," E1.'( )' -,0(--./0 1*) =0*) $INGSMIL> -,0 )'

.0').1'1 1* -,0,-*( )' *-?0.-' 1* (,-' 1* )' @,0'> *) * .0-)*

(*-,0,-..*0, 1* '.).'> +@'.*0, 1* )' ('-('> ,(.*0'-./0 1* ),

*(',> 1.(*--./0 1* +@'.*0, 1* )' 1.'-)'' '(' *)), * (*').@/

1.<*(, )'0, 1*1* *) ,,:(?.-,> :*,)/:.-,> *(-(')> *-> ' .,)' .).@'-./0 1* ,'(* -,, *) D.> A,-'1> A,-'1 )'01> '(



PRESENTACIÓN

N, * :(', (**0'( *) (**0* .0,(*> -,0 )' .0').1'1 1* '-*(

))*:'( *) ,1, *)*'1, *0 ), ('+';, (*)..0'(* 1* *-?0.-' 1*

(,-' '(' *)'+,('-./0 1*) (,*-, 1* =0*) 1*0,.0'1, $INGSMIL> *0

') ,(' -,, *1.'0* 1* .0:*0.*(' :*,)/:.-' ', ,1,

-0.-' (,+'1' *)*'1' *0 (,*-, ..)'(*> *0 ') *0.1,

**(', ,+<., (*)'1, 0, ')*0'1,(' '(' 1'( <.'+.).1'1

') (,*-,> ' * *0-,0(', *(-(' :*,*-?0.-'*0* 0,

-,**0*> *0 ') *0.1, 0' <*@ ,+*0.1, ), (*)'1, 0, ,+).:'

'-*( 0' (*,()'-./0 *0 ,1, *) (,*-,> ), * .).-' *0*( *

-'+.'( *) *;* 1*) =0*) ,1, ), 1*? (,-*1..*0, * .:*0 *0 *)

(,*-,

E*(', 1* *' '0*(' * ), (,-*1..*0, ').-'1, *0 )'

*'' .0.-.') 1* ** (,*-, )''1, *0 *) (**0* .0,(* *'0 1*

:('0 '1' '0, '-'1.-'*0* -,, :' '(' ,1, ), .0*(*'1,



OBJETIVOS

E)'+,('( 0 *1., :*,*-?0.-, (*)..0'( 1* )' @,0' -,0(,)

1* ('-(' *0 *) '-.@,> '(' *) P(,*-," T=0*) $INGSMIL

R*').@'( 0 M'*, G*,*-?0.-,> *:=0 ), .*' GSI> RMR>

1* B'(,0 1**(.0'01, )' 1.*(*0* (,.*1'1* 1*)

'-.@, (,-,, ')* -,," *(.*0-.'> '*(('> *(.0'-./0>

(*))*0,> (:,.1'1> ,01)'-./0> *'-.'1,> -,0*0.1, 1* ':'>

0=*(, 1* ;0'> *-

D.+;'( *) P)'0, G*,*-?0.-, ,0..-'-./0 G*,*-?0.-,>

*'+)*-.*01, ,( -'1' *(, ).0*') )' *(*0*-.*0* -').1'1 1*

(,-' (**-.<, ., 1* ,*0..*0, ' *)*'(

D.*K, 1* )' *--./0 ),0:.1.0') :*,*-?0.-'> (*:.('01, ,(

*(, ).0*') )' -').1'1 1* (,-' -,((*,01.*0* ., 1*

,*0..*0,



PROYECTO: TÚNEL KINGSMIL

CAPÍTULO I

I. GENERALIDADES

I.1 UBICACIÓN:

E) ?(*' -,(*01.1' '(' (*').@'( *) (,*-, 1*) =0*) $INGSMIL>

* *0-*0(' +.-'1, *0 )' @,0' 1* P'-, * +.-' *0 *) <'))*

.0*('01.0, 1* )' -,(1.))*(' ,--.1*0') ,(.*0')> **-.-'*0*

' *')1' 1*) AA HH C,)0' P'-, Y'0'-'0-' R*:./0P'-,

C' -,,(1*0'1' UTM (*:.('1' ,0"

N,(*" 882!64

E*" 363829

A 0' ').1 '(,.'1' 1* 4 42!! 0

I.2ACCESO

L' <' 1* -,0.-'-./0 ' *' -.1'1 ,0 *((*(*

(.0-.')*0*> *..*01,"

a) Carr!ra C"!ra#" *0(* L.' L' O(,' C*((, 1* P'-,

-,0 0' ),0:.1 1* 323 > 1* -'((**(' '')'1' -,0

(,*1., 1* 8 ,(' 1* (*-,((.1,

$) L%&a ' Ca"!a ( Crr * Pa+," -,0 0 ('@, 1* 4! > 1*

-'((**(' '.('1'> :*0*(')*0* 0, *0 +*0'

-,01.-.,0*



I.-CLIMA Y VEGETACIÓN

E) -).' 1*) ?(*' * -,, *0 )' ,').1'1 1* )' (*:./0 * 1*-.((:.1' ' *)'1' -,0 .0*0.1'1 1* <.*0,> -,0 <'(.'-.,0* 1*

**('(' 1('0* ,1, *) 1'

E0 '0, ' )' <*:*'-./0 ,( *) ., *-, 1* (**0'( 0 -).'

+(-, * (*1-.1, *0 *' @,0'> 1,01* (*1,.0' )'

(**0-.' 1* ', .-, 1* )' (*:./0> :,

I.GEOMOR/OLOGÍA

G*,,(,)/:.-'*0* *) ?(*' (**0' )' .:.*0* :*,,('"

' T,,:('' T.-'

+ P'.';* -,*,> (*)'1, 1* <'(., (,-*, :*,/(.-,

'--./0 1*) ':'> **,(.@'-./0 ), -')* '0 (,1-.1, 0

*0/*0, 1* 1*:('1'-./0 1*01'-./0> (*').@'1, ,( )'

'--./0 .-' *'0./0 , 1.)''-./0> -(*-..*0, 1* -(.')*>-,0('--./0 (.-'> '--./0 1* ,(:'0.,> '1'1, ,( )'

**('(' *(-(' 1* )' (,-' *.*0* *0 *) ?(*'

- G*,,(' ).:*('*0* ,01)'1'> -'('-*(.-' (.0-.') 1*

0 '.';* *.Q'1(,

I.0IDROGRA/ÍA:E) 01, 1* P'-, +.(-' ), (, 1*) 1*'('*0, ,(.:.0'01,

<'(.' -*0-' -,, )' * ,('0 ), (, H'))':'>

H'0-'+'+'> P')-'@=> U-'').> A(.'-> P.-.

D* '-*(1, ' )' -,((.*0* )<.') ,(.:.0, -,0 (*1,.0., *) 1(*0';*

1*(.-, 1*) ., * (*-,((* -,0 )' 1.(*--.,0* '-.' *) N *

,(' )' -*0-' 1*) (, U-''). )' ,(' '-.' *) SE ,('01, )'

-*0-' 1*) (, M'0'(,



I.OROGRA/ÍA:

C*((, 1* P'-, * )' -.1'1 ? ')' 1*) '> (**0' )' '(* ?').*0* 1*) (*).*<* '01.0, ,(* *0 *) 01, P'-, *?0 )' (*

-,(1.))*(' * 1.(.+*0 ), -'1')* 1* ), (, *0 1.*(*0*

*0.1, '+.0 ,1*, *0-.,0'( ), 1.*(*0* ':*0*

:*,)/:.-, * '+.0 * *0-'(:'0 1* ,1..-'( *) (*).*<* 1* )'

@,0'

PLANO DE UBICACIÓN



CAPÍTULO II

II. GEOLOGÍA :

II.1 GEOLOGÍA REGIONAL:

• E+!ra!%3ra45a 6 R,a+ Í3"a+" E) 1.(., .0*(, 1* C*((, 1*

P'-, *' ),-').@'1, *0 )' **' '01.0' 1*) P*(= -*0(')> *0 ),

1.(., 1* C'.'(-'> Y'0'-'0-'> (,<.0-.' 1* C*((, 1*

P'-, *0 )' (*:./0 P'-,

R*:.,0')*0* *' ),-').@'1, *0 (,-' *1.*0'(.' 1*).,:*,.0-).0') 1*) *,@,.-,

L' (,-' ? '0.:' 1* )' @,0' ,0 .).'> -'(-.' ).'

-'(+,0,' 1*) :(, E-*).,( .)=(.-,Q1*</0.-, S,+(*

'-.*01, ,-((*0 )' '(*0.-'> -'(-.' -,0:),*('1, (,;,

1*) :(, M. *(.'0, L*:, '-*0 )' -').@' 1*) P-'('

(.?.-, ;('.-, E0 1.-,(1'0-.' '0:)'( ,+(*0 *) :(,

-'(' ,-((* *) :(, G,))'(..@:' *0 ,(' ),-') L*:, )'-').@' M'-' *0-.' 1* ), :(, P-'(' G,))'(..@:'

E0 *) *(-.'(., ,-((* )' ,('-./0 P,-,+'+'> -,0..1' ,(

(* .*+(, 0 M.*+(, I0*(.,( -,0..1, ,( ).'

'(*0.-' )*:, *) -,0:),*('1, S-, .0')*0* *)

M.*+(, S*(.,( C')*(' -,0..1, ,( ).,0.'> ).'>

'(*0.-' '+.0 -').@'

E) -'*(0'(., * -'('-*(.@' ,( 0' *(,./0 :)'-.'( ,1*('1',( 0' *(.-.* *0*)'0.@'1' **(:.1' ,( )'

+*-*0* '-)'-./0 1* ,((*0' 1* 1*/.,

)<.,:)'-.')* L' '--./0 :*,)/:.-' '-')> *0 -'+.,> * ('1-*

*0 )' 1*,.'-./0 1* (+*(' '-)'-./0 1* (*-..'1,

-')-?(*, *0 )' '(* ,--.1*0') 0' **0' *(,./0 )<.') *0

)' '(* ,(.*0')



E0(* ), .0(.<, *0*, ') ':),*('1, R.'))'0'> ')

/(.1, ,0@,0.-, -'(-*(, ' ), 1.* 1* ,0@,0.'

-'(-*(' ,(.(.-'> '+.0 ), 1.* 1'-.-,

• Plegamiento: E) )*:'.*0, * ,(' 1* )' -'('-*(.-' 1*)

1.(., .0*(, C*((, 1* P'-, *0-,0(?01,* ).*:* '(')*),

* .0(+'0 ') N -, )'0, '.')* *?0 .0-).0'1, ') E

.0*0..-?01,* *) )*:'.*0, '-.' *) E *0 )' -*(-'0' 1*

)' '))' ),0:.1.0') 1* C*((, 1* P'-, L' *(-(' ',(*

1* )' ),-').1'1 ,0 *) .0-).0') 1* C'-'0 Y(';'0-'> *)'0.-).0') 1* C*((, 1* P'-, M'(-'0' *) .0-).0')

Y'0''* C,).;.(-'

• Fracturamiento: E(-(')*0* *0 )' @,0' *.*0 6

*(.,1, 1* ('-('.*0, (*.0*(') 2 ,.0*(')> )'

'))' (*.0*(').@'1' ,0 )' ),0:.1.0')*> -,0 )' '))'

),0:.1.0') 1* C*((, 1* P'-, * .0((+' ') N> +@' 1* 6! '

65 E * '(')*), ') )*:'.*0, (*:.,0')> )' '))' ,+).-' '))*:'.*0, (*:.,0')

II.2 GEOLOGÍA LOCAL:

L, -*(, (,-,, '.:0'1, ' 0*(' )'+,( *? -,0..1' *0

',( **0./0 ,( (,-' *1.*0'(.' *,@,.-' *

'+'(-'0 .0*(<'), *0 *(.,1, 1*1* *) T(.?.-, *1., '' *)

J(?.-, .0*(.,(> (**0'01, 0/1), 1* ).-* 1* -,),( +*.:>

*.),).' * ,0 <*0.))' 1* -')-.' -,('1' ,( ('-(' *

1*)'@'(,0 **K, -*0*(, 1* ),0:.1> ('-('.*0,

S* *1* '(*-.'( 0' *('..-'-./0 +''0* ')*('1' -,0 0'

,*0-.' '(,.'1' 1* 2! -> -+.*(, *0 '):0' '(* 1*)

-*(, (,-,, ,( '*(.') -'*(0'(., 1* **,(* <'(.'1,



Grupo Pucará: E*0./0 (,-,' * '+'(-' 1*1* *) T(.?.-,

*(.,( -,0 0' *-*0-.' .0*(.,( -,0,-.1' -,, F,('-./0

C'+'(?> -,0.0'01, *0 *) J(?.-, .0*(.,( -,0 )' '(*

*(.,( 1*) G(, P-'(?> *<.1*0-.?01,* )' F,('-.,0*

A(''-' C,01,(.0:'

E0 0*(' ?(*' '.:0'1' ,)'*0* * (*:.(/ )' (**0-.' 1*)

G(, P-'(? -,0 )' *-).<.1'1 1* )' F,('-./0 C'+'(?> )'

-')* (.*(,0 .).-..-'-./0 0' .0*0' **,(.@'-./0 E'

(,-' ,0 1* -,),(* :(. -)'(, ' :(. '@)'1, -,0 '+01'0-.' 1*

0/1), 1* -*(

Formación Chambará: S*-*0-.' * -,(*01*" -').@'

:(.* '@).0, *0 *(', 1* *-*0-.' *1.' ' 1*):'1'

(,*1., 1* 2! -> -,0 (+, S 79 0 +@'.*0, 1* 3

SE> 1* *(' -(.').0'> (**0'01, <*0.))' 1* -')-.'

*.),).' -'(@,> :('0 -'0.1'1 1* )?.'@> 0/1), .)-*,

-*( L' -'('-*(.-' (*:.,0') 1* *' *-*0-.' * )' (**0-.'1* /.)*> .0 *+'(:, ' ), )'(:, 1*) ?(*' * (*:.(' *<.1*0-.' 1*

.-(,/.)*



CAPÍTULO III

TRABAJOS PRELIMINARES PARA EL PROYECTO: TÚNEL

KINGSMIL

-.1. CARACTERÍSTICAS DEL PROYECTO: 7TÚNEL KINGSMIL8

E) (,*-, T=0*) $.0:.) *01(? )' .:.*0* -'('-*(.-'"

A0-, 25

A), 45

L,0:.1 256

G('1.*0* 5!!!

E0('1' 1*) T=0*) +.-'1,"

N = 8 820 102

E = 363 827

Z = 4 440 m.s.n.m.

P'(* .0') 1*) T=0*) +.-'1,"

N = 8 819 870

E = 363 819

Z = 4 448 m.s.n.m.

Área del Mapeo Geomecánico = 391 m.

!er"me#ro del área del Mapeo Geomecánico = 2 m.

-.2. DETERMINACIÓN DE LAS PROPIEDADES DEL MACI9O

ROCOSO



T,1' )' 1.-,0.0.1'1* (**0'0 (,.*1'1* :*,*-?0.-'

.,('0* * )' -'('-*(.@'0 * .0)*0 *0 *) -,,('.*0,

1* )' '' (,-,' E' (,.*1'1* ,0 (.0-.')*0*"

P'(' )' 1**(.0'-.,0* 1* )' (,.*1'1* * *)*'(,0 *) , 1* )'

.0-' )*/*(,

L' (,.*1'1* ,'1' ' -'1' *(,> ' ), )'(:, 1*) *;* 1*) =0*)

-,0.*0 *0 )' .:.*0*"

Pr+%+!",%a: E )' **0./0 *0 ?(*' , ''K, 1* 0'

1.-,0.0.1'1 C'0, *0,( *' )' *(.*0-.'> )' ''

(,-,' *(? ? *'+)* -'0, ',( *' '> *(? *0,

*'+)*

O"*#a,%;"" C,, * (**0' )'0' O01)'1' ,-,

,01)'1'

Tr&%"a,%;": C).0'-./0 1* 0' 1.-,0.0.1'1> 1.*01,

*( *0 ,(' 1.-,0.0.1'1> *0 (,-' .0'-' , -,0.0='

C"!"%* * A3a: D**01.*01, 1*) '*(.') *) ):'(

1,01* * *0-*0(' *-,> ,;'1,> =*1,> *-



N&r * J"!a+ S%&%#ar+: D.-,0.0.1'1* ..)'(*

,( 2

A<r!ra: E )' *'('-./0 *0(* )' '(*1* (,-,' 1* 0'

1.-,0.0.1'1 , *) :('1, 1* '+.*(, * ' (**0' A *0,(

'*(('> )' -,01.-.,0* 1* )' '' (,-,' *(?0 *;,(* '

',( '*(('> )' -,01.-.,0* *(?0 ? 1*'<,('+)*

R3+%*a*: E )' '*(*@' , .((*:)'(.1'1 1* )' *(.-.* 1* )'

1.-,0.0.1'1 C'0' *0,( (:,.1'1 *0:' 0'

1.-,0.0.1'1> )' '' (,-,' *(? *0, -,**0* -'0,

',( *' '> )' '' (,-,' *(? ? -,**0*



E+<a,%a*: E )' 1.'0-.' *(*01.-)'( *0(*

1.-,0.0.1'1* '1'-*0* W* 1**(.0' *) ''K, 1* ),

+),* 1* (,-' .0'-' C'0, *0, *'-.'1, *0:'0> ),

+),* *(?0 ? **K, -'0, ? *'-.'1, *0:'0> ),

+),* *(?0 ? :('01*

R##"" ,0 ), '*(.')* * * *0-*0('0 1*0(, 1* )'1.-,0.0.1'1 C'01, ), '*(.')* ,0 '<*> )' ''

(,-,' * *0, -,**0* -'01, , ,0 ? 1(,> '

* ? -,**0*



-.-. DETERMINACIÓN DE LA CALIDAD DE ROCA POR EL

SISTEMA GSI= RMR= Y > DE BARTON.

P'(' )' -)'..-'-./0 1* )' (,-' ,( *(, ).0*') 1*) *;* 1*) =0*)

*:=0 -').1'1> * ' *)*'1, )' .:.*0* -)'..-'-./0

:*,*-?0.-'"

EJEMPLO DE LA DETERMINACIÓN DE CALIDAD DE ROCA

SEGÚN GSI

TRAMO 2? ( -@&.: N=*(, 1* ('-('" ! 5

E0,0-* * LEVEMENTE FRACTURADA

E (*.*0*> )*<**0* ')*('1'> ,0 (:,'> ).:*('*0*

'+.*(' * (,* -,0 , 2 :,)* 1* .-,'

E0,0-* * 0' (,-' REGULAR



P,( ), '0, S*:=0 GSI * 0' (,-' LEVEMENTE FRACTURADA

REGULAR LFR

T., 1* ,*0..*0, A> <*( *0 )' '+)'

TRAMO - ( - &.:

N=*(, 1* ('-('" 6 Q !

P,( ), '0, -,((*,01* ' 0' (,-' MODERAMDAMENTE

FRACTURADA

E (*.*0*> )*<**0* ')*('1'> ,0 (:,'> ).:*('*0*

'+.*(' * (,* -,0 , 2 :,)* 1* .-,'

C,((*,01*(' ' 0' (,-' REGULAR

P,( ), '0, * 0' (,-' MODERADAMENTE FRACTURADA

REGULAR FR

T., 1* ,*0..*0, A> <*( *0 )' '+)'

TRAMO 20 ( 2 &.:

N=*(, 1* ('-('" Q 5

S -)'..-'-./0 * 0' (,-' MUY FRACTURADA

E (*.*0*> )*<**0* ')*('1'> ,0 (:,'> ).:*('*0*

'+.*(' * (,* -,0 , 2 :,)* 1* .-,'

P,( -,0.:.*0* * 0' (,-' REGULAR

P,( ), '0, * 0' (,-' MUY FRACTURADA REGULAR MFR

T., 1* ,*0..*0, A> *0.*01, *0 -*0' * *0 *, (',

)' ('-(' ,0 -'. '(')*), ') *;* 1* =0*)> ,( -,0.:.*0* *



0 '-,( .0)*0* *0 ** ., 1* ,*0..*0,> <'(.'01, 1*

*' '0*(' ' 0 ,*0..*0, 1*) ., B 1* )' '+)'

EJEMPLO DE LA DETERMINACIÓN DE CALIDAD DE ROCA

SEGÚN RMR

P'(' )' -)'..-'-./0 1* )' (,-' ,( *(, ).0*') 1*) *;* 1*) =0*) ,(

*) .*' RMR * 1**(.0/ 1* )' .:.*0* '0*('"



CONCLUSIONES

S*:=0 ), -?)-), (*').@'1, ,( *) .*' GSI> '(' *) (,*-,

1*) Túnel Kingmil > /), .1*0..-', (* ., 1* -').1'1 1*

(,-'" LFR> FR MFR> ' ('< 1* *)), ))*:', ' )' -,0-)./0

* ,*(.,(*0* *)*'(*, 1, ., 1* ,*0..*0, A B

L, (', .0.-.')* '*'1, ' ), )'(:, 1*) E;* 1*) T=0*)> ,0

(,-' ',(*0* LFR FR> )' -') * :.*(* 0 ,*0..*0,

T., A

A):0, (', 1* )' '(* .0') 1*) *;* 1*) =0*) * 0 ., 1* (,-'

1*'<,('+)*> 1*+.1, ' * )' ('-(' * *0-*0('0 -'. '(')*)'

') (+, 1*) *;* 1*) =0*)> 1,01* :*(., 0 ,*0..*0, T.,

B

E0 ), (', 1,01* * *0-*0('0 ,+(* )' -').@' '*(.')*

-'*(0'(.,> * 1*1-* -').1'1* 1* (,-' '1'-*0* ' *))'> ' *)' ,*0-.' 1* *, '*(.')* -'*(0'(., 0, *-*1*0 1* 5



RECOMENDACIONES

T*0*( *0 -*0' * )' ,' 1* 1', 1*+* *( *0 ,(' .0-.,'

,+;*.<' '(' 0, *0*( -,).-'-.,0* *0 ), (*)'1, ,*(.,(*

T*0*( -, -.1'1, ') ,*0, 1* 1.*(*0-.'( )' (,-' ,( -').1'1>

.).@'01, )' 1.*(*0* -)'..-'-.,0* :*,*-?0.-'> ' * (*.*(*

1.*(*0* (,.*1'1* *('1' 1*) -',

S:*(., * *) M'*, G*,*-?0.-,> * ':' ,'01, ',(*

1.'0-.' ' '+, )'1, 1*) *;* 1*) T=0*)> '(' ' *0*( (**(*0-.'

? (*-.' 1*) *((*0,

I)**0'-./0 1* )'+,(',(., 1* *-?0.-' 1* (,-' <'0:'(1.'>'(' ,1*( (*').@'( ), *0', 0*-*'(., (*-., * 0, :.*(*0

** ., 1* ('+';,

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Informe Mecanica dee rocas ii