2da practica de laboratorio
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BENEFICIO DE MINERALES
PRACTICA N1
ING. DANIEL ZEVALLOS
EDUARDO SEBASTIAN CONDORI VELASQUEZ
2012-37610
UNIVERSIDAD NACIONAL JORGEBASADRE GROHMANN
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DENSIDAD APARENTE-DENSIDAD REAL
1. OBJETIVOS:
Da a !"#"!$ a% $&'()*a#'$+ %"& ,'")"& ($ $/*&'$# aa %a )$'$,*#a!*# )$ %a
)$#&*)a) aa$#'$+ a$)a) $&$!45*!a )$#&*)a) $a% )$ %"& ,*#$a%$&.Q($ $% $&'()*a#'$ )$'$,*#$ !",$#)a %a *,"'a#!*a )$ !"#"!$ %a )$#&*)a)
aa$#'$+ a$)a) $&$!45*!a )$#&*)a) $a% )$ %"& ,*#$a%$&.
2. FUNDAMENTO TEORICO:
DENSIDAD APARENTE:
La D$#&*)a) Aa$#'$ )$ (# ,a'$*a% " (# !($" $& %a $%a!*# $#'$ $% "%(,$#
$% $&" &$!"+ *#!%($#)" ($!"& ""& ($ !"#'$#a+ aa$#'$& " #". E&'a
)$5*#*!*# &$ $,%$a 'a#'" $# Geologa!"," $# %a Teora de los Materiales.
L"& 5a!'"$& ($ a5$!'a# a %a )$#&*)a) aa$#'$ &"# %a !","&*!*# %a
$&'(!'(a. P" $8$,%"+ &($%"& a$#"&"& '*$#)$# a '$#$ )$#&*)a)$& ,a"$& ($
&($%"& ,9& 5*#"&+ a% ,*&," '*$," $# &($%"& :*$# $&'(!'(a)"& %"& a%"$& &"#
,$#"$&.La )$#&*)a) aa$#'$ )$% &($%" $& (# :($# *#)*!a)" )$ *,"'a#'$&
!aa!'$4&'*!a& )$% &($%"+ 'a%$& !"," ""&*)a)+ a)" )$ a*$a!*# !aa!*)a)
)$ )$#a8$. E# (# '*" )$ &($%" %"& a%"$& :a8"& )$ )$#&*)a) aa$#'$ *,%*!a#
&($%"& ""&"&+ :*$# a*$a)"& !"# :($# )$#a8$.
P" "'" %a)"+ &* %"& a%"$& &"# a%'"&+ (*$$ )$!* ($ $% &($%" $& !",a!'" "
"!" ""&"+ ($ '*$#$ "!a ""&*)a) $# &( !","&*!*#+ ($ %a *#5*%'a!*# )$%
a(a $& %$#'a+ %" !(a% ($)$ ""!a a#$a,*$#'"&.
http://www.construmatica.com/construpedia/Porosidadhttp://www.construmatica.com/construpedia/Drenajehttp://www.construmatica.com/construpedia/Drenajehttp://www.construmatica.com/construpedia/Porosidad -
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DENSIDAD REAL:
E& %a )$#&*)a) ,$)*a )$ %a& a'4!(%a& )$% &($%" ;T",&"# < T"$+ 1=>>?.
C(a#)" &$ a &$!a)" $% &($%" $# %a $&'(5a+ &$ $&a &'$ $&" $& )**)*)" " $%
"%(,$# )$ &%*)"& ($ !"#'*$#$ ;$/!%($#)" $% "%(,$# )$ ""&?. P" %"
$#$a%+ %a& (#*)a)$& $# %a& ($ $/$&a &'a $%a!*# &"# a,"& " !$#'4,$'"
!@:*!".
Ta,:*# &$ ($)$ (&a $% ',*#" $&" $&$!45*!" aa $5$*&$ a %a )$#&*)a) )$
%a& a'4!(%a& )$% &($%". E% $&" $&$!45*!" $& #(,*!a,$#'$ *(a% a %a )$#&*)a)
$a% $# a,"& " !$#'4,$'" !@:*!".
La )$#&*)a) $a% )$ (# &($%" ,*#$a% a4a ,(!" ,$#"& ($ %a )$#&*)a)
aa$#'$. E# $#$a% $% a%" "&!*%a $#'$ 2.6 2.7 !,3. La )*5$$#!*a $# $%
'a,a" )$ %a& a'4!(%a& $% !a,:*" )$ "%(,$# )$ ""& #" a%'$a.
MTODOS A UTILIZAR.
Mtodo de P!"#$%et&o:
E&'$ ,'")" $&'9 )a)" " %a &*(*$#'$ $%a!*#
D"#)$M D$#&*)a) )$% ,*#$a%.A Ma&a )$% *!#,$'" !"# 'a#.
B Ma&a )$% *!#,$'" !"# 'a# ,9& a(a ,*#$a%.M Ma&a )$% *!#,$'" !"# 'a# ,*#$a%P Ma&a )$% *!#,$'" !"# 'a# a(a.2O D$#&*)a) )$% a(a a '$,$a'(a a,:*$#'$.
Mtodo de ' P&o(et':
E& (# "!$)*,*$#'" :a&a)" $# $% )$&%aa,*$#'" )$ "%(,$#+ &$ ,$)*9
$# (#a ":$'a a)(a)a+ &$ ('*%*a9 ,*#$a% &$!"+ &$ '$#)9 (# "%(,$#
*#*!*a% )$ a(a+ &$ a$a9 $% ,a'$*a%+ ,*)*$#)" $% "%(,$# ($ "!(a
$&'$+ aa "&'$*",$#'$ ,$)* $% "%(,$# 5*#a%.
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La )$#&*)a) &$ $/$&aa !","
D"#)$M, P$&" )$% ,*#$a%V5 V"%(,$# 5*#a%.V* V"%(,$# *#*!*a%.
E)UIPOS * MATERIALES:
E)UIPOS
01 Ba%a#a )$ 0.1 . )$ $!*&*#
01 F*"%a )$ 00 " 1000 ,%
01 S$!a)" 9*)"
01 C(a'$a)"
01 Ma%%a& NH +10J 'aa 5"#)"
01 Va&" )$ $!**'a)" )$ 00 ,%
01 P":$'a a)(a)a )$ 00+ 1000 ,%
01 P*$'a
01 E&9'(%a
MATERIALES 0 K M*#$a%
01 Ga% A(a )$&'*%a)a
+. PROCEDIMIENTO:
MUESTREO * PREPARACION DE MUESTRA: T",a+ $% ,a'$*a% )$ !"#&'(!!*# ;a$a)"&? )$ (#a ,($&'a+
a"/*,a)a,$#'$.
C"# $% !(a'$a)" ;" " !"#$" !(a'$"? $)(!* %a ,($&'a a&'aa"/*,a)a,$#'$.
DETERMINACION DE LA DENSIDAD APARENTE: P$&a %a ,($&'a.
Va!*a+ %a ,($&'a $&a)a+ $# %a ":$'a )$ 00,% " 1000,%
L$$ $% "%(,$# ($ a%!a#a $% #*$% )$ %a ,($&'a.
D$'$,*#a %a )$#&*)a) aa$#'$ !"#
D$'$,*#a $% "!$)*,*$#'" (&a#)" (# $!**$#'$ )$ "%(,$# !"#"!*)".
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DETERMINACION DE LA DENSIDAD REAL ,D&: V$*5*!a ($ %a ":$'a a)(a)a )$ 1000,%. E&'$ %*,*a.
E# %a ":$'a a)(a)a )$ 1000,%. !"%"!a a"/*,a)a,$#'$ 300,%. )$
a(a+
P$&a 300. )$ ,($&'a $ *#'")(!* $# %a ":$'a. Sa!()* %*$a,$#'$
)$8a $"&a (#"& ,*#('"& %($" '",a %$!'(a )$% "%(,$# )$ a(a ($
5($ )$&%aa)" " %a ,($&'a.
La )$#&*)a) $a% $&
DETERMINACION DE LA RAVEDAD ESPECIFICA ,%todo !#d!&e"to/ '
0!o':
P$&a $% ,a'$*a% ":%$,a &$!" ;a#"'a !"," ?.
P$&a (#a F*"%a a!4a &$!a ;a#"'a !"," ?.
L%$#a %a F*"%a+ a&'a %a ,a!a+ !"# a(a )$&'*%a)a " a(a !",@#. D$8a
$"&a (# a'" a&'a ($ &a%a '")a& %a& :(:(8a& )$ a*$ ;%"
$!",$#)a:%$ $& )$&a*a !"# :",:a )$ a!4"?. S$!a $% !($%%" "
$#!*,a )$ %a ,a!a $&a $% !"#8(#'" ;a#"'a !"," ?.
Va!*a 0 )$% a(a )$ %a F*"%a $ *#'")(!*+ $% ,a'$*a% ":%$,a $&a)"+
a*'a !(*)a)"&a,$#'$ a 5*# )$ $%*,*#a $% a*$ a'aa)"+ !",%$'a $% #*$%)$ a(a a&'a %a ,a!a+ &$!a $% !($%%" )$8a $"&a " ,*#('"&.
L($" $&a $% !"#8(#'" ;a#"'a !"," ?. R$$'* %a &$!($#!*a &($*)a ;1 a% ? aa 2 " ,9& a%"$& a)*!*"#a%$& )$
a$)a) $&$!*5*!a. Ca%!(%a %"& a%"$& )$ %a a$)a) $&$!45*!a ;G$? ,$)*a#'$
Paa ":'$#$ (# *#!$,$#'" $($" $# $!*&*#+ &* &$ '*$#$ $# !($#'a $% $5$!'" )$
%a '$,$a'(a &":$ %a )$#&*)a)+ &$ ($)$ !a%!(%a G$ !"#
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D#)$ +$& %a !"$!!*# )$ '$,$a'(a+ &$ !a%!(%a !"#
E&'a $!(a!*# $/$&a %a $%a!*# $#'$ %a )$#&*)a) )$% a(a a %a '$,$a'(a T
)$% $#&a" a 20HC #'$&$ ($ $& 'a,:*# G$ )$% a(a a %a '$,$a'(a T.
N"'a!*"#$&
Ga$)a) $&$!*5*!a )$% ,a'$*a% ":%$,a.
P$&" )$ %a F*"%a a!4a.
P$&" )$ %a F*"%a ,9& a(a.
P$&" )$% ,a'$*a% ":%$,a &$!".
P$&" '"'a%+ F*"%a ,a'$*a% ":%$,a a(a.
S* a'$ )$% a(a )$ %a F*"%a #" 5($a )$&%aa)a " $% ,*#$a%+ $% $&" '"'a%
)$:$4a &$
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C"," $% a(a $& $$,%aa)a ;$& )$!* (#a !a#'*)a) *(a% a% #" &$ ($)$
aa)* a %a F*"%a )$:*)" a ($ "!(a a'$ )$ &( "%(,$#?+ a% !",%$'a $%"%(,$# )$ %a F*"%a+ $% $&" )$% a(a ($ a &*)" )$&%aa)" " %a& a'4!(%a&
)$% ,a'$*a% ":%$,a #" !a:$ $# %a F*"%a+ $#'"#!$& &$9
C"# %" !(a% &$ !(,%$ %a )$5*#*!*# )$ %a a$)a) $&$!45*!a+ &* #" a !a,:*" $#
%a )$#&*)a) )$% a(a !"# %a '$,$a'(a
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. RESULTADOS
.1 Dete&%!#'"!$# de ' De#!d'd A3'&e#te:o P*,$" $!"$,"& (#a ,($&'a ($ $&a 1.=00K. %($" "!$)$,"&
a !a#!a)" aa ")$ ":'$#$ (#a ,($&'a )$ a"/*,a)" )$ )$
(%a)a+ $" !"# $% !a#!a)" a@# ($)a a&'"& )$ ,($&'a& ,(
a#)$& a&4 ($ "!$)$ a aa#)$a a (# $&" a"/*,a)a,$#'$ (#
$&" )$ 100 .
o L($" "!$)$,"& a *#'")(!* %a ,($&'a $# (#a ":$'a a)(a)a )$
1000,%.
o E#'"#!$& '",a,"& %$!'(a )$ %" ($ ,a!a %a ,($&'a $# %a ":$'a+
":'$#*$#)" (# "%(,$# )$ 20,%.o D$&(& &$@# %a 5",(%a ":'$#$,"& %a )$#&*)a) aa$#'$
.2 Dete&%!#'"!$# de ' De#!d'd Re': C"# %" $a%*a)" a#'$*",$#'$ a"$!a$,"& &"%" aa)*$,"&
a %a ":$'a a(a #"'a$,"& ($ a (# "%(,$# ($ &$
)$&%aa.
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E#'"#!$& ":'$#$,"& $% "%(,$# )$&%aa)" 0,%. &$@# 5",(%a
":'$#$,"& %a )$#&*)a) $a%
.+ Dete&%!#'"!$# de ' &'4ed'd E3e"50!"': E# *,$ %(a aa#)$a,"& %a &4%*!$ $# (#a ,a%%a + $% ,a'$*a% )$
&4%*!$ %a ,($&'a 'a4)a )$ '"($a%a
P$&a,"& $% ,a'$*a% &$!" !"# (#a :a%a#a a#"'a,"& %a ,$)*)a+
,a'$*a% &$!" !"# %(#a )$ $%"8 $&a 2.>J $#'"#!$& a!*$#)" %a
$&'a $% ,a'$*a% )$ &4%*!$ $&a 1=1 . %a ,($&'a )$
'"($a%a 20
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L($" $&a,"& #($&'a F*"%a a!4a a#"'a,"& &( ,$)*)a+ ($ 5($
)$ 0 D$&(& %%$#a,"& %a 5*"%a !"# a(a a&'a )"#)$ $&'$ %a ,a!a+
$&$a#)" ($ #" ($)$ #*#(#a :(:(8a a)$#'". E#'"#!$& (#a $ ($ %a F*"%a $&'a !"# a(a &$!a,"&
!(*)a)"&a,$#'$ $% !($%%" *!" )$ %a F*"%a+ "!$)$,"& a $&a%a
$# %a :a%a#a a#"'a,"& &( ,$)*)a 6.
L($" "!$)$,"& a a!*a $% ,a'$*a% a %a F*"%a !(*)a)"&a,$#'$'a'a#)" )$ ($ #" &$ ($)$ $% ,a'$*a% $# $% *!"+ )$ %" !"#'a*"
!"# (#a P*$'a %*,*a,"& $% *!" !($%%" a!*$#)" ($ '")" $%
,a'$*a% &$ *#'")(!a.
E#'"#!$& (#a $ ($ %a F*"%a $&' %%$#a !"# $% a(a $% ,a'$*a% )$
&4%*!$ "!$)$,"& a $&a%a ":'$#*$#)" (# $&" '"'a% )$
60>. $% ,a'$*a% )$ '"($a%a $&a :& 610
P" (%'*," a%%a,"& %a a$)a) $&$!*5*!a &$@# %a 5,(%a aa $%
,a'$*a% )$ &4%*!$
Paa $% ,a'$*a% )$ '"($a%a
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6. CONCLUSIONES * RECOMENDACIONES
Paa a%%a %a )$#&*)a) $a% %a aa$#'$ #" $& #$!$&a*"
'$#$ $(*"& &"5*&'*!a)"&+ &$ !"#!%($ ($ aa $a%*a
$&'"& 'a:a8"& &$ ('*%*a $(*"& &$#!*%%"& 59!*%$& )$
,a#*(%a. Ta,:*# )*$,"& ($ $& ,( )*5$$#'$ %a )$#&*)a) aa$#'$ !"# %a
)$#&*)a) $a% ($&'" ($ %a *,$a '$#)4a *,$5$!!*"#$& " &$a
""&*)a) $&'" a!$ ($ "!($ (# $&a!*" *##$!$&a*" ($ %a
&$(#)a #".
7. BIBLIORAFIA ''.:($#a&'a$a&.!",$#&a"&D$#&*)a)-R$a%-D$%-
S($%"31=77.',% ''$!"%$/*'."#")$=6
''.!"#&'(,a'*!a.!",!"#&'($)*aD$#&*)a)Aa$#'$
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