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GEOLOGI DAN GEOLOGI TEKNIK
VOLUME II Design Rinci Bendungan Poso-1, Kabupaten Poso
DAFTAR DAFTAR ISI IS I BAB 1 Pendahuluan 1.1 1.2 1.3 1. 1.!
Latar Belakang... Belakang........... ............... .............. ............... ............... .............. .............. ............... ............... .............. ............... ............... .............. ..........................1-1 ...................1-1 Maksud dan Tujuan....................................................... .................................. ................. ........... .......... .... 1-2 Lokasi Penyelidikan dan Kesampaian Daerah........................ .................................. ............ 1-2 Lingkup Lingkup Pekerjaan... Pekerjaan.......... .............. ............... ............... .............. ............... ............... .............. ............... ............... .............. ...................................1-3 ............................1-3 Kuantitas Kuantitas dan "enis Pekerjaan.... Pekerjaan........... ............... ............... .............. ............... ............... .............. ............... ............... ...............................1- ........................1-
BAB 2 Geolohi Regional 2.1 #isiogra$i %egional..................................... ................................. ................................ ......... ...... ...2-1 2-1 2.2 &tratigra$i &tratigra$i %egional... %egional.......... .............. ............... ............... .............. ............... ............... .............. ............... ............... .............. .............. ...........................2-2 ....................2-2 2.2.1 &tratigra$i &tratigra$i Menurut Menurut T.'. T.'. &imandj &imandjuntak untak(( dkk....... dkk............... ............... .............. ............... ............... .......................2-2 ................2-2 2.2.2 &tratigra$i &tratigra$i %egional %egional Menurut Menurut Mi)hel *illeneu *illeneu+e( +e( dkk............ dkk................... .................................2- ..........................2- 2.3 &truktur dan Tektonik Tektonik %egional...................................... .................................. .................... ................. ...2-, 2-, 2. Kegempaan... Kegempaan.......... .............. .............. ............... ............... .............. ............... ............... .............. ............... ............... .............. .......................................2- ................................2-
BAB 3 Investigasi Geologi Teknik Teknik 3.1 Pemetaan eologi.................................................................................................................3-1 3.2 Pem/oran 0nti.......................................................................................................................3-1 3.3 Pengujian Permea/ilitas........................................................................................................3-3 a. a ater ter Pressure Pressure Test...... Test............. ............... ............... .............. .............. ............... ............... .............. ............... ............... ................................3-3 .........................3-3 /. #alling ead Method......................................... ................................. ........................ .... 3-! 3.4 &umur ji.............................................................................................................................3-4 3.5 Pengujian La/oratorium.......................................................................................................3-, 3. Pengujian &eismik................................................................................................................3- 1. Pengujian &eismik Do5n ole.......................................................................................3- 2. Pengujian &eismik %e$raksi............................................................................................3-6
BAB 4 Geologi Teknik Teknik
.1 eologi Daerah Bendungan PLT7 Poso-1............................................................................-1 .1.1 eomor$ologi...........................................................................................................-1 .1.2 &tratigra$i.................................................................................................................-3 .1.3 &truktur eologi......................................................................................................-! .2 eoteknik Lokasi Bendungan........................................................................................-, .2.1 Pem/oran 0nti...........................................................................................................-, .2.2 Permea/ilitas 7s Bendungan...................................................................................-12 .2.3 alian Pondasi.........................................................................................................-12 .2. Daya Dukung Pondasi..............................................................................................-13 ..... -1 .2.! asil &eismik Do5n hole dan %e$raksi................................ .............................. .....-1 1
LAPORAN PENUNJANG
GEOLOGI DAN GEOLOGI TEKNIK
VOLUME II Design Rinci Bendungan Poso-1, Kabupaten Poso
.2.4 .2.,
asil Pengujian La/oratorium.................................................................................-1, Per/aikan Pondasi....................................................................................................-1, .3 eologi Daerah enangan....................................................................................................-16 .3.1 &tratigra$i.................................................................................................................-16 .3.2 &tratigra$i.................................................................................................................-16 .3.3 Ke/o)oran aduk....................................................................................................-28
BAB 5 Baha!a Geologio "Geologi #a$a%d&
!.1 mum...................................................................................................................................!-1 !.2 Kondisi eologi Daerah Penyelidikan..................................................................................!-1 !.3 Lokasi Potensi Longsor dan Longsor....................................................................................!-1 !. Penye/a/ Terjadinya erakan Tanah...................................................................................!-3 !.! Penanggulangan.................................................................................................................... !-! BAB 'ate%ial (onst%uksi 4.1 4.2 4.3 4. 4.! 4.4 4.,
mum.................................. .................................. ................................. .............................. 4-1 9uarry Meko........................................................................................................................4-2 9uarry Puna.................................... .................................. .................................. .................. 4-2 9uarry Pettirodongi..............................................................................................................4-3 9uarry Pettirodongi..............................................................................................................4-3 Ketersediaan dan Ke/utuhan Material Konstruksi....................... ................................ .........4-3 Pengujian La/oratorium.......................................................................................................4-
BAB ) (esi*+ulan Dan Sa%an
,.1 Kesimpulan...........................................................................................................................,-1 ,.2 &aran.....................................................................................................................................,-1 Da,ta% Ga*-a% am/ar 1.1 Peta Lokasi %en)ana Bendungan Poso-1......................... .......................... ................1-3 am/ar 2.1 &ketsa Peta eologi &ula5esi Tengah :*an /emmelen( 166;.............................. .....2-1 am/ar 2.2 Peta eologi Lem/ar Poso( &ula5esi<( 166, dengan skala 1=2!8.888...................... .2- am/ar 2.3 Peta eologi &ula5esi Bagian Tengah :Mi)hel *illeneu+e( dkk.( 2881.....................2-6 am/ar 2. &usunan &tratigra$i Menurut Mi)hel *illeneu+e( dkk.......................... ......................2-18
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GEOLOGI DAN GEOLOGI TEKNIK
VOLUME II Design Rinci Bendungan Poso-1, Kabupaten Poso
am/ar 2.! Peta >ona empa Tahun 2818( Periode empa :T; 188 tahun..................................2-12 am/ar 2.4 Peta >ona empa Tahun 2818( Periode empa :T; !888 tahun................................2-12 am/ar 2., ?ilai Per)epatan empa Pun)ak !8 tahun( 188 tahun( 288 tahun( !88 tahun.............2-13 am/ar 2. ?ilai Per)epatan empa Pun)ak !88 tahun( 1888 tahun( 2!88 tahun........................2-13 am/ar 2.6 Peta &e/aran empa Bumi Daerah Poso dan &ekitarnya...................... .....................2-1! am/ar 3.1 Peta &e/aran Titik Bor di 7rea Bendungan PLT7 Poso-1......................... .................3-2 am/ar 3.2 Peta Pelaksanaan &eismi) Do5nhole da re$raksi di Bendungan PLT7 Poso-1...........3-18 am/ar .1 Peta eologi Daerah Bendungan......................................... ...................................... -, am/ar .2 Penampang eologi 7& Bendungan......................................... .................................-13 am/ar .3 Penampang Permea/ility dan Lugeon..................................... .......................... .........-1 am/ar . ra$ik Kolerasi @mpirik ? :&PT; Dengan Daya Dukung TanahABer/utir halus dan ampuran..................................................................................................................-1! am/ar .! ra$ik Kolerasi @mpirik ? :&PT; dengan Daya Dukung TanahABer/utir Kasar dan ampuran..................................................................................................................-14 am/ar .4a Per/andingan Pro$il eologi asil Log /ore dengan ?ilai *elo)ity asil &eismik. .-16 am/ar .4/ Per/andingan Pro$il eologi asil Log /ore dengan ?ilai *elo)ity asil &eismik. .-28 am/ar (4) Per/andingan Pro$il eologi asil Log /ore dengan ?ilai *elo)ity asil &eismik. .-21 am/ar .4d Per/andingan Pro$il eologi asil Log /ore dengan ?ilai *elo)ity asil &eismik. .-22 am/ar ., Dena Titik routing Pondasi Bendungan............................... .............................. ...... -2, am/ar . Peta enangan PLT7 Poso-1 :2C38 M ?ett; dan %egulating D7M......................-2
Da,ta% Ta-el 3
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GEOLOGI DAN GEOLOGI TEKNIK
VOLUME II Design Rinci Bendungan Poso-1, Kabupaten Poso
Ta/el 1.1 Kuantitas dan "enis Pekerjaan................................. .................................. .................... 1- Ta/el 2.1 &tratiga$i 7ntar 0n$ormasi Bantuan Lem/ar Poso Menurut &imandjuntak( dkk............2- Ta/el 3.1 Lokasi Titik Pem/oran 0nti Bendungan Poso-1.......................... ............................... ....3-3 Ta/el 3.2 ondition '$ %o)k Mass Dis)ontinuities 7sso)iated ith Di$$erent Lugeon *alue.....3-4 Ta/el 3.3 Koordinat Lokasi &umur ji....................................................... ........................... ....... 3-, Ta/el 3. Koordinat Pengujian &eismik Do5nhole............................... ....................................... 3-6 Ta/el 3.! Line Pengujian &eismik %e$raksi di Lokasi Bendungan PLT7 Poso-1...........................3-6 Ta/el .1 Prediksi >ona %etakan atau &esar dari Posisi >ona Lo5 *elo)ity................................- Ta/el .2 %ingkasan asil Pem/oran eotenik di Lokasi Bendungan......................... ................- Ta/el .3 Pengklasi$ikasian "enis Tanah Berdasarkan ?ilai &hear a+e *elo)ity....................... .-1, Ta/el . Pengklasi$ikasian "enis Tanah Berdasarkan ?ilai &hear a+e *elo)ity....................... .-1 Ta/el .! Posisi *elo)ity %endah di Line &eimi)......................... ................................................-1 Ta/el .4 %ingkasan asil Pengujian La/oratorium................................. .............................. ...... -23
Da,ta% G%a,ik ra$ik 2.1 Diagram ?ilai Per)epatan empa Pun)ak !888 Tahun.............................. .................2-1
Da,ta% a*+i%an Lampiran 1 Log Pem/oran 0nti Lampiran 2 Perhitungan Permea/ilitas Lampiran 3 #oto-$oto Drill Log Lampiran #oto-$oto Tes Pit dan Tren)h ut Lokasi D7M PLT7 Poso-1
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GEOLOGI DAN GEOLOGI TEKNIK
VOLUME II Design Rinci Bendungan Poso-1, Kabupaten Poso
Lampiran ! #oto-$oto Kenampakan Mor$ologi Lampiran 4 #oto-$oto &ingkapan Pemetaan eologi Lampiran , #oto-$oto &truktur eologi Lokasi Lampiran #oto-$oto 7rea enangan D7M PLT7 Poso-1 Lampiran 6 #oto-$oto Bahaya eologi :eologi aard;
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