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KLASIFIKASI TANAHKLASIFIKASI TANAH
((Soil ClassificationSoil Classification))
Dr. Runi Asmaranto, ST., MTDr. Runi Asmaranto, ST., MT
[email protected] runi
runiasmarantoruniasmaranto.lecture.ub.ac.idmateri!.lecture.ub.ac.idmateri!kuliahkuliah
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Analisa A"a#an Analisa A"a#an
Tujuan Percobaan :
$emeri#saan ini dima#sud#an unt# menentu#an %emba&ian butir (&radasi) a&re&at
'alus dan #asar den&an men&&una#an sarin&an.
2. Peralatan dan bahan :
Alat
a. Timban&an dan neraca den&an #etelitian , * dari berat benda u+i.
b. Satu set sarin&an -, mm (/0)1 /,2 mm ( 30)1 2,4 mm (0)1 /-,2 mm (3
30)1 2 mm (30)1 35,3 mm (/60)1 3,2 mm (30)1 5,2 mm (/40)1 no. 61 no. 41
no.31 no./1 no.21 no.31 no. (Standard ASTM).
c. 78en "an& dilen&#a%i den&an %en&atur su'u untu# memanasi sam%ai(3392)o:.
d. Alat %emisa' conto'.
e. Mesin %en&&uncan& sarin&an (mesin %en&&etar).
;. Talam!talam.
&. Kuas, si#at #unin&an, sendo# dan alat!alat lainn"a.
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Alat satu set a"a#an Alat satu set a"a#an
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Nama Golongan
Ukuran Butiran (mm)
Kerikil Pasir Lanau Lempung
Massachussets Institute ofTechnology (MIT)
> 2 2 - 00! 00! - 0002 " 0002
U.S. Departement of Agriculture(U#$%)
> 2 2 - 00& 00& - 0002 " 0002
American Association of andTransportation Officals ( %%#'T)
!2 -2 2 - 00& 00&-0002 " 0002
Unified Soil Classification System(U.S Bureau of eclamation!
!2- *& *&-00& 'alus (+aitu lanau ,anlempung " 00&)
Tabel. .3. <atasan!batasan u#uran &olon&an tana'
Sumber Das (354-)
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Analisa Hidrometer Analisa Hidrometer
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Hasil Analisis :<erdasar#an data dari analisis sarin&an ma#a +enis tana'
berdasar#an metode =S:S seba&ai beri#ut- Kerikil 76,2 - 4,75 mm = !
- "asir 4,75 # ,75 mm = 2,$% !
- &raksi 'alus (lanau dan lem)un*+ ,75 = 7,62!
Sedan&#an menurut AASHT7 - Kerikil 76,2 # 2 mm = ,$ !
- "asir 2 # ,75 mm = 2,$% !
- &raksi 'alus (lanau dan lem)un*+ ,75 = 7,62!
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$arameter >eote#ni# "an& %entin& untu# analisa#ete#ni#an adala' Klasi;i#asi Tana'
Macam!macam Klasi;i#asi Tana' 3. =SDA (=nited state of de)artment a*ricultural+
2. =S:S (unified soil classification sstem+
/. AASHT7 ( /merican association of State0i*'1a and trans)ortation officals
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Nama Golongan
Ukuran Butiran (mm)
Kerikil Pasir Lanau Lempung
Massachussets Institute ofTechnology (MIT)
> 2 2 - 00! 00! - 0002 " 0002
U.S. Departement of Agriculture(U#$%)
> 2 2 - 00& 00& - 0002 " 0002
American Association of andTransportation Officals ( %%#'T)
!2 -2 2 - 00& 00&-0002 " 0002
Unified Soil Classification System(U.S Bureau of eclamation!
!2- *& *&-00& 'alus (+aitu lanau ,anlempung " 00&)
Tabel. .3. <atasan!batasan u#uran &olon&an tana'
Sumber Das (354-)
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KLASIFIKASI !! =SDAKLASIFIKASI !! =SDA
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Klasi;i#asi =S:S (uni;ied)Klasi;i#asi =S:S (uni;ied)
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Koe;isien Kesera&aman (uni;ormitas)
:u ? (D D3):u ? Koe;isien #esera&aman
D ? diameter "an& bersesuaian den&an * lolos a"a#an
D3 ? diameter "an& bersesuaian den&an 3* lolos a"a#an
Koe;isien >radasi (coarse)
:c ? (D/ (D @ D3)):c ? Koe;isien &radasi
D ? diameter "an& bersesuaian den&an * lolos a"a#an
D/ ? diameter "an& bersesuaian den&an /* lolos a"a#an
D3 ? diameter "an& bersesuaian den&an 3* lolos a"a#an
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Klasi;i#asi AASHT7Klasi;i#asi AASHT7
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) catatan
=:S ? uncon;ined (or unia@ial) com%ressi8e stren&t'
S<$ ? sa;e bearin& %ressure (den&an safet factor antara / sam%ai 2)
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) catatan
=:S ? uncon;ined (or unia@ial) com%ressi8e stren&t'
S<$ ? sa;e bearin& %ressure (den&an safet factor antara / sam%ai 2)