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KELOMPOK 5
1. ONESIMUS FRAN EWAL D1011141032
2. FRANSISKUS AHEN D10111410043. SITI MARIAM D1011141006
4. ROBI SUPRA SETYO D1011141106
5. ANDRY CHRISTIAN D1011141072
6. FADHIL ISNAN S. D1011141022
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PERMEABILITAS DAN
REMBESAN
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PERMEABILITAS
Pe!e"#$%$&"' ($(e)*$'$+"* 'e#","$ '$-"&#""* /"*,
!e!*,+$*+"* "%$"* e!#e'"*("$ "$"* /"*, #e" "$ "&" !$*/"+
!e*,"%$ %e"& *,," $. U*&+ &"*"Pe!e"#$%$&"'
($%+$'+"* 'e#","$ '$-"& &"*"/"*, !e*,"%$+"* "$ !e%"%$ *,,"
$&"*". T""*"* &e"(" "%$"* #e,"*&*,
"(" e*$' &"*" +"* #&$"* #e*&+#&$"* ""& !"''"
'e&" #e*&+ ,e!e&$*,," $.
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ALIRAN AIR DALAM TANAH
Me*& Be*%%$ &$*,,$ e*e,$ &&"%&&"% He"(8
"("%" &$*,,$ e*e,$
e%e9"'$ "&" E%e9"&$* He"(:8($&"!#" &$*,,$ e*e,$
&e+"*"* "&"e''e He"( 8 /"$& Ke&$*,,$"*+%! "$
"&" B. D$("%"! $"
($+ ("%"! !$%%$!e&e "&" !e&e($"&"'
&$&$+*/".
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Te+"*"* $('&"&$' #e,"*&*, "("+e("%"!"* '"&
&$&$+ ($#"" !+" "$&"*". U*&+ !e*,e&"$
#e'"&e+"*"* "$ $ Tee!" Be*"%%$(""& ($&e"+"*.
Me*& Be*"%%$ &$*,,$ e*e,$ &&"%&&"% He"(8
"(" '"& &$&$+ (""&($*/"&"+"* %e e'"!""* ;
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HUKUM DARCY
D"%"! &"*" e* "'"%+"* *,," $&"*" &$("+ '"*,"&
#e'" "%$"* "$"("%" %"!$*e. P"(" e*&"*, "%$"*%"!$*e D"/ 1=568
!e*,'%+"*#*,"* "*&"" +ee"&"* ("* ,"($e*&$(%$+ 'e#","$
#e$+& ;
v = ki
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De#$& e!#e'"* >8 ($*/"&"+"* ("%"!e'"!""* ;
> < 9A < +$A
Ke)'$e* e!e"#$%$&"' +8 !e!*/"$
'"&"* /"*, '"!" (e*,"* +ee"&"*!?(e& "&"
!!?(e&. Y"$& !e**++"*+"* &""*"* &"*" &e"(" "$
#$%"
e*," '$-"&@'$-"&/" ($!"'++"* !"+" ;+ !?(e&8 <
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Pe'"!""* +ee"&"* e!#e'"* %e"&&"*" (""& ($e%e
(e*,"* ""'e#","$ #e$+& $*$.
U*&+ &"*" (e*,"* 9%!e '"&"*'$&"' *8
($*/"&"+"* (e*,"*;
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Debit rembesan: q = v ( + ) =
Dengan:
= luas penampang tanah yang ditinjau
Karena untuk volume satuan, / ( + ) = / A = n ;
maka dapat diperoleh:
= v / n
= ki / n
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UI PERMEABILITAS DILABORATORIUM
A(" e!"& !""! e*,$"* *&+!e*e*&+"* +e)'$e*
e!e"#$%$&"'($%"#"&$! /"$& ;
1. U$ &$*,,$ e*e,$ &e&"2. U$ &$*,,$ e*e,$
&*
3. Pe*e*&"* 'e"" &$("+ %"*,'*, ("$ $
+*'%$("'$4. Pe*e*&"* 'e"" &$("+ %"*,'*, ("$ $
+"$%e $:*&"%
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REMBESAN
D$ "%"! "%$"* "$ !e%e"&$ &$("+ "*/"'"& "" "&"
'e","! ($'e% %"'"*/"*, &e,"+ %' "" "%$"*.
P"(" +"'' /"*, (e!$+$"* "%$"* "$&"*" !!*/" ($&e*&+"*
(e*,"*!e*,,*"+"* ,")+ /"*, ($ 'e#& jaring
arus.Re!#e'"* /"*, "+"* ($e%""$ ($'$*$($("'"+"* "(" "*"%$'$' ("
($!e*'$.
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B$%" &"*" ($"*,," !,e* ("*$'&$' +< +:< +8 !"+"
("%"!#$("*, @: +! ("/ (""&($*/"&"+"* 'e#","$ #e$+&;
9 < +$ < @+
9 < +$ < @+
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TEKANAN REMBESAN
A$ "(" +e"(""* '&"&$' ($ ("%"! &"*"
"+"*!e*,"+$#"&+"* &e+"*"* $('&"&$' /"*,""*/" +e
"&"'.
A+"* &e&"$ $+" "$ !e*,"%$ %e"& %"$'"*&"*" "%$"*
"$ "+"* !e*(e'"+ "&$+e% &"*"'e#e'" &e+"*"* e!#e'"*
$(($*"!$' /"*,#e+e" !e*& "" "%$"**/".
Be'"*/" &e+"*"* e!#e'"* !e"+"*-*,'$ ("$ ,"($e*&
$(%$+.
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SEKIAN DAN TERIMA KASIH
