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All Journal Jurnal Teknologi Informasi dan Pendidikan Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika
Muhammad Ikmal
Universitas Negeri Padang
Computer Science & IT Control & Systems Engineering Education Engineering Physics Other

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EVALUASI PENGARUH GEOMETRI JALAN ANGKUT OVERBURDEN TERHADAP PRODUKSI OHT CATERPILLAR 777D DARI PIT 1 UTARA LOADING POINT CE 7139 MENUJU IPD 1 N, PT. ADIMITRA BARATAMA NUSANTARA, SANGA-SANGA, KUTAI KARTANEGARA, KALIMANTAN TIMUR Yoszi Mingsi Anaperta; Muhammad Ikmal
Jurnal Teknologi Informasi dan Pendidikan Vol 11 No 2 (2018): Jurnal Teknologi Informasi dan Pendidikan
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/tip.v11i2.143

Abstract

Overburden removal from north pit 1 at PT. Adimitra Baratama Nusantara has a production target of April 2018 of 295.044 BCM while the actual production isonly 189.808 BCM. The combination of units in this location are 1 unit of excavator CATERPILLAR 6030 and 4 units of OHT CATERPILLAR 777D. Not The achievement of production monthly be foundation author research. In conducting this problem research, the authors combine the theory with field data, so that both of them obtained a problem solving approach. Evaluation of road geometry is needed to determine the rimpull in order to get a calculation of cycle time estimation and the production of hauler after road repair. Based on the calculation of the road geometry evaluation, the minimum width of each straight and bend road must beapplied are 21,5 meters and 22 meters. Grade > 10% must bereduced to 10% whichis the grade tolerance limit that OHT could pass. Superelevation of the bend that must be made is121,65 cm and the cross slopet hat must be applied is 43 cm. The actual production achieved is 287.789,75 BCM while the estimated increase in production after road repair is 377.925,6 BCM
Pengaruh Bahan Ajar Elektronik Interaktif Bermuatan Karakter dengan Pendekatan Saintifik pada Materi Usaha dan Energi Terhadap Pencapaian Kompetensi Siswa Kelas X SMA Muhammad Ikmal; Yenni Darvina; Murtiani Murtiani
PILLAR OF PHYSICS EDUCATION Vol 11, No 2 (2018)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (994.97 KB) | DOI: 10.24036/3224171074

Abstract

The achievment of Students Competence still becomes a problem that is caused by several factors. Therefore this research is conducted to give solution. The solution is using interactive electronic teaching material based character value with scientific approach that aims to improve student holistic competence in tenth garde of SMA N 13 Padang. The type of this research is quasi experiment research with randomized control group only design. The sample of this research is taken using cluster random sampling technique. The data analysis techniques are adescription in graphic form for character competences, equality test of two averages for skill and knowledge competences. The result of this research shows that the average value study result competences and observation of experiment class is higher than control class in all sectors. The data analysis result of sample class is normaly distributed and homogenous thus it is used t-test with ttable = 2,00. The averages of skill competences in experiment class is 78,03 and control class is 72,88 statisticaly tcount=4,93, the averages of knowledge competences in experiment class is 76,84 and control class is 66,72 statisticaly tcount = 7,21, the averages of skill competences in experiment class 69,54 and control class is 61,03 statisticaly tcount =3,52. From t-test, it can be seen that tcount < ttable so that Ho is rejected and Hi is accepted, it can be concluded that there is an significant impact on the using of interactive electronic teaching material based character  with scientific approach  on work and energy  to the achievement holistic competence of student is 0,05.
Co-Authors Murtiani Murtiani Yenni Darvina Yoszi Mingsi Anaperta