BAHDER, IVAN (2018) PERHITUNGAN JACKING FORCE MICROTUNNELING PADA ZONA STRUKTUR KOMPLEKS AREA HAULING PIT INUL EAST PT. KALTIM PRIMA COAL SANGATTA KALIMANTAN TIMUR. Other thesis, Universitas Pembangunan Nasional "Veteran" Yogyakarta.
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Abstract
ABSTRACT
The research is done in Inul East Pit, PT. Kaltim Prima Coal, Kutai Timur
District. PT. Kaltim Prima Coal have to diverse river where is in the middle of
Inul East Pit mine plan, so PT. Kaltim Prima Coal can mine this area. This river
diversion must be done in good effect to environtment with reducing overburden
excavation as much as possible to avoid TSS environmental issue and acid water
because planning area is the only one of Inul East hauling road to dumping area or
coal stockpile.
Choosing Jacking Force Microtunneling method to diverse Pinang River is the
best way from environmental aspect and tunnel operational safety. Jacking force
calculation currently only calculated using one layer of soil/rock, it can cause
error calculation when applied on area which its rockmass has two or more layers
of rocks.
Jacking force value to push MTBM and concrete pipe into the ground is
calculated in two methods, they are software model in 255 m along tunnel plan
alignment and manual calculation based on Jacking Force Ultimate Assosiation
Method (2012). Manual jacking force calculation using one layer assumption will
cause the difference value of 4005.38 kN compared by jacking force based on
finite element model
Keywords : Concrete Pipe, Jacking Force, Microtunneling
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Basir Umaryadi |
| Date Deposited: | 23 Mar 2018 02:45 |
| Last Modified: | 23 Mar 2018 02:45 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/14704 |
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