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Mata kuliah / Kode : Mekanika Tanah / RC145311
Program Studi : Diploma III Teknik Sipil FTSP ITS
Semester : III
SKS : 3 sks ( 2sks Perkuliahan, 1sks Praktikum)
Tim Dosen Mektan Diploma III Teknik Sipil FTSP ITS
Kelas G; Prof. Dr. Ir. Indarto, DEA.
Kelas H; Ir. Endang Kasiati, DEA + Dr. Muntaha, ST, MT
Kelas I; Ir. Endang Kasiati, DEA + M. Khoiri, ST, MT, Ph.D
Pengantar
Program DIII-DIV Teknik Sipil FTSP ITS, Khoiri, 2014
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Kontrak Kuliah
• Rencana Pembelajaran:
http://goo.gl/UWfCfo
• Penilaian:
• Evaluasi-1= x%
• Evaluasi-2=x%
• Evaluasi-3=x%
• Praktikum=x%
• Lain-lain: …..
Program DIII-DIV Teknik Sipil FTSP ITS, Khoiri, 2014
Pustaka
Das, B.M., 1990. Principles of Foundation Engineering., PWS Kent Publishing
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Pustaka
Jadwal Praktikum
dan
Lembar Kerja Praktikum
http://goo.gl/PppaF2 http://goo.gl/UWfCfo
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Minggu ke-1
Asal-usul tanah, Gradasi butiran tanah
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Program DIII-DIV Teknik Sipil FTSP ITS, Khoiri, 2014
(Sumber: NSPM Kimpraswil, Bagian 1 Tanah (Panduan Geoteknik), 2002)
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Partikel tanah
Secara umum, klasifikasi tanah berdasarkan
ukuran butirnya adalah:
• Kerikil (gravel) : > 2mm
• Pasir (sand) : 0,1mm – 2mm
• Lanau (silt) : 0,01mm – 0,1mm
• Lempung (clay) : < 0,01mm
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Program DIII-DIV Teknik Sipil FTSP ITS, Khoiri, 2014
Catatan:
Cu = 1 Uniform, butiran tanah seragam satu ukuran.
(dalam keadaan variasi butiran tanah ekstrim lebar, nilai Cu bisa mencapai 30)
Well graded bila :
cu = 1-3 dan Cu > 4 (untuk pasir)
cu = 1-3, dan Cu > 6 (untuk gravel) Program DIII-DIV Teknik Sipil FTSP ITS, Khoiri, 2014
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Minggu ke-2
Metode explorasi tanah, hubungan berat-volume
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Metode explorasi tanah
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Bor Dangkal (5m) Bor Dalam (30-40m) Sondir (maks 30m)
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Contoh Borlog – Bor Dangkal
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Contoh Borlog – Bor Dalam
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Contoh hasil
tes Sondir
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Hubungan berat-volume
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Minggu ke-3
Hubungan berat-volume
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Minggu ke-4
Plastisitas tanah dan klasifikasi tanah
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Minggu ke-5
EVALUASI-1
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Minggu ke-6
Pemadatan tanah
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Minggu ke-7
Pemadatan tanah
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Minggu ke-8
Permeabilitas tanah dan aliran air dlm tanah
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Minggu ke-9
Tegangan in-situ tanah
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Tanpa
seepage
(aliran air
dalam tanah)
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Dengan
Seepage,
aliran ke-atas
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Dengan
Seepage,
aliran
bawah
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Minggu ke-10
Tegangan in-situ tanah
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Terdapat zone kapiler
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Minggu ke-11
EVALUASI-2
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Minggu ke-12
Penurunan tanah dan konsolidasi tanah
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Minggu ke-13
Penurunan tanah dan konsolidasi tanah
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Minggu ke-14
Kuat geser tanah
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Minggu ke-15
Kuat geser tanah
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Aplikasi Parameter kuat geser tanah
• Desain pondasi dangkal
• Desain pondasi dalam (Bor, dll)
• Desain timbunan
• Analisa kestabilan lereng
• dll
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Minggu ke-16
EVALUASI-3
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Sekian,
Selamat belajar
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