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All Journal Journals Mining Engineering : Bina Tambang Journal of Degraded and Mining Lands Management INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Jurnal Teknologi Informasi dan Pendidikan Pelita Eksakta MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Community Empowerment Jurnal Sains dan Teknologi Al-Ihtiram: Multidisciplinary Journal of Counseling and Social Research

Yoszi Mingsi Anaperta

Universitas Negeri Padang

Author-ID : 2567768

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Analisis Kestabilan Lereng Menggunakan Metode Janbu pada Lereng Lubang BMK 30 di CV Bara Mitra Kencana (BMK) Tanah Kuning, Desa Batu Tanjung, Kota Sawahlunto, Provinsi Sumatera Barat Yori Amzeri; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 6, No 4 (2021): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v6i4.113675

CV Bara Mitra Kencana merupakan salah satu perusahaan yang bergerak di bidang pertambangan yang berlokasi di Kota Sawahlunto dengan bahan galian berupa batubara. Secara administrasi wilayah izin usaha pertambangan operasi produksi berada di Tanah Kuning, Desa Batu Tanjung, Kota Sawahlunto, Provinsi Sumatera Barat dengan luas 70,53 Ha. Pada tanggal 18 Desember 2020 hingga 18 februari 2020 tepatnya pada area dibelakang mes pekerja dan di depan pintu tunnel BMK 30 dengan ketinggian 24 meter, kemiringan 73˚. Dengan kondisi lereng tersebut berpotensi membahayakan pekerja yang berada dan menghambat produksi.Material penyusun lereng merupakan material batuan sandstone. Hasil pengujian sifat fisik dan mekanik batuan didapat nilai bobot isi asli 22,65 kN/m², nilai bobot isi jenuh 24,22 kN/m², nilai bobot isi kering 20,69 kN/m², kohesi (c) 39 mPa dan sudut geser dalam (ø) 44,08˚. Analisis nilai faktor keamanan (FK) dan rekomendasi geometri lereng aktual menggunakan metode janbu simplifed dengan ketinggian 24m dan kemiringan 73˚ di peroleh FK sebesar 1,222. Untuk rekomendasi geometri lereng dalam keadaan jenuh menggunakan metode janbu simplefied dengan ketinggian 24m dan kemiringan 69˚ di peroleh FK sebesar 1,257. Dari nilai faktor keamanan (FK) rekomendasi yang diperoleh dapat disimpulkan bahwasanya lereng dalam keadaan stabil.

Optimalisasi Produksi Alat Muat dan Alat Angkut dengan Metode Overall Equipment Effectiveness (OEE) Pada Pengangkutan Overburden Di Pit Barat PT. Artamulia Tata PratamaSite Tanjung Belit, Kabupaten Muaro Bungo, Provinsi Jambi Sadam Husean; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 4, No 3 (2019): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Abstrack. Based on the production data of overburden stripping in western Pit PT. Artamulia Tatapratama in January-Februari 2018, overburden stripping production did not reach the target. This is due tothelow productivityof theexcavator.To find out the improvement potential of a production process and the effectiveness of using equipment, it is necessary to do an analysis using the Overall Equipment Effectiveness (OEE) method.. After knowing the root of the problem, multirple linear regression statistical analysis is used to determine the relationship and the maximum limits of the obstacles so that the production can be achieved. After doing the analysis and improvement with these methods, the production of the komatsu1250SP-8R excavator exceeded the planned target. However, the OEE value of eaoch excavator still <85% and has not reached the world-class OEE value> 85%, it can be concluded that the condition of the equipment is not good. It is better to do repairs to standby time and tool breakdown. Keywords: Production, Overall Equipment Effectiveness, multiple linear regression statistical analysis, Fishbone Method, komatsu 1250SP-8R excavator

Analisis Kestabilan Lereng Jalan Tambang di Area Zona 4 PT. Bintang Sumatra Pasifik di Koto Alam Kabupaten 50 Kota Ahmat Torkis Zudri; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 4, No 4 (2019): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Abstract. The company has not yet carried out a geotechnical plan regarding the stability of the slopes in the mining area. The slope geometry planning will be used by the Bishop Simplified and Janbu Simplified methods. Data clay : Unit Wight (γ) = 19.67 kN / m3, Cohesion (c ') = 30.1 kN / m2 and inner shear angle (ϕ') = 38.06 °. The initial slope height is 11 meters and the overall slope angle is 59°. Recommended slope geometry: 1. The Bishop Simplified method FK saturated conditions of 0.996 unsafe slopes, reduction of slope angles from 59 ° to 46 ° height of 11 meters, FK 1,339 safe slopes. 2. Janbu Simplified Method saturated FK 0.955 unsafe slope condition, slope angle from 59 ° to 44 ° with 11 meters height, then FK 1.34 slope in safe condition.

Analisis Kestabilan Lereng pada Blok Timur Tambang Muara Tiga Besar Utara PT. Bukit Asam Tbk, Kabupaten Muara Enim, Provinsi Sumatera Selatan Andryan Febriadi; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 5, No 4 (2020): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v5i4.109238

Abstract. PT Bukit Asam Tbk is a coal mining industrial sector corporation which is located in Tanjung Enim, Sumatera Selatan. Pit of Muara Tiga Besar Utara (MTBU) utilized open pit mining system which needs a calculation and analysis of slope stability. Slope stability analysis was used to find out the actual condition of this slope area and to evaluate sequence design of mining plan. This slope stability analysis applied limit equilibrium method (Morgenstern-Price) and Monte Carlo’s simulation for probabilistic analysis. Then sensitivity analysis is also performed to find out the influential parameter in slope stability. In this research, the slope stability was conducted by implementing A-A’ and B-B’ cross sections which represent the condition of highwall, lowwall and sidewall. Results of slope stability based on the actual topography condition were FS 1.34 and PF 1.9% for overall slope highwall, FS 2.28 and PF 0% for overall slope lowwall, FS 1.89 and PF 0% for overall slope sidewall. Then, the result of sensitivity analysis showed that saturated density parameter, phi and water table are the influential parameter to the slope stability. Meanwhile, cohesion doesn't have any significant influence. The result of probability and sensitivity analysis obtained that slope is safe and appropriate with slope stability threshold value. Keywords: MTBU, Slope stability, Probability analysis, Morgenstern -Price, Monte Carlo

Evaluasi Kinerja Crushing Plant Dan Belt Conveyor Dalam Pengolahan Dan Pengiriman Limestone Ke Storage Indarung di PT. Semen Padang Fitri Eka Yulia; Raimon Kopa; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 3, No 2 (2018): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

PT. Semen Padang has 4 units of crushing plant there are crusher II, IIIA, IIIB, and VI. Production of limestone crusher in April 2017 is 692,755 tons, while the target of limestone crusher production is 804,749 tons so the target of limestone crusher production in PT. Semen Padang in April 2017 was not achieved. This is caused of the target crusher working hours are not achieved, frequent improvements in the crusher, and the change of usage belt conveyor lines. The purpose of this research is to get the performance value of crushing plant and belt conveyor, get the production capacity of belt conveyor, reveal the ideal crusher working system so we can get the ideal limestone crusher production.This research was combined between theory with field data, then we can get the problem solving approach, and the result of data processing will be analyzed for subsequent to be generated a recommendation.Based on the research result can be concluded. First, the performance of crushing plant and belt conveyor is not optimal because the work efficiency of limestone crusher II is 26,20%, crusher IIIA is 21,54%, and crusher IIIB is 28,33%. Second, the minimum production capacity of the belt conveyor is 1,409.7 tons/hour. Third, the ideal crusher working hours is 672 hours in a month so that the production of limestone crusher 810,992 tons in a month. Keyword: Production target, limestone crusher, belt conveyor

Karakterisasi Massa Batuan dan Analisis Kestabilan Lereng Untuk Evaluasi Geometri Lereng di Pit Barat Tambang Terbuka PT. AICJ (Allied Indo Coal Jaya) Kota Sawahlunto Provinsi Sumatera Barat Riski Adelina Pane; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 4, No 3 (2019): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Abstract.The stability of the mine slope is the most important factor that must be considered in the continuation of mining activities. Research sites on three mining slopes PT. AICJ, namely coordinates S00˚36'09.3”/E100˚48'16.3", coordinates S00˚43'27.0"/E100˚47'11,1" with slope height = 35m and slope = 63˚, and at coordinates S00˚36'09.7"/E100˚48'16.2" with slope height = 30m and slope = 63˚. The method used is Bishop and Hoek and Bray. As a result of research, the following conclusions are drawn. First, based on the analysis of RQD, RMR, and SMR rock types on location classified in the class fair rock-good rock. Second, the results of the analysis of single and overall slope of actual earned value FK at the coordinates I, II, and III = 1.280/1.225, 1.323/1.203, 1.308/1.203(natural conditions) and FK = 0.844, 0.905, 0.859(saturated condition). Third, to obtain a safe FK that is 1.25, the geometry of the slope is modified, namely coordinate with a slope height of 31 m and slope 49˚, coordinate II slope height 33 m and slope 50˚, and coordinate III of slope height of 25 m and slope 54˚ in saturated condition.Keywords :slope stability analysis,RQD, RMR, SMR, bishop method, hoek and bray method

ANALISIS KESTABILAN LERENG UNTUK SISTEM PENAMBANGAN OVERBURDEN (SOIL) DI AREA IUP 412 HA BUKIT TAJARANG INDARUNG PT. SEMEN PADANG SUMATERA BARAT Oktaviana Saputri; Bambang Heriyadi; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 3, No 1 (2018): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Sehubungan dengan sistem penambangan pada lereng overburden (soil) diarea 412 Bukit Tajarang, maka perlu dilakukan kajian geoteknik untuk menilai apakah penambangan masih memungkinkan untuk dilanjutkan pada saat kondisi normal dan mengetahui seberapa besar batasan FK minimum lereng pada kondisi jenuh yang harus ditinggalkan oleh perusahaan, dan kembali produksi setelah lereng runtuh akibat stabilitas lereng saat hujan, yang mana akan digali oleh alat berat excavator. Sebagai upaya mendapatkan nilai faktor keamanan yang aman yaitu (FK>1.3) pada kondisi kering, dilakukan kajian analisis kestabilan pada dinding lereng daerah soil dengan kondisi lereng dalam keadaan stabil setelah dilakukan proses penambangan lanjutan. Kestabilan lereng pada pembahasan ini dianalisis menggunakan metode kesetimbangan batas BishopSimplied. Analisis kestabilan dilakukan untuk mengetahui seberapa besar potensi longsoran kedepan yang akan terjadi jika masih tetap dilakukan aktifitas penambangan pada area 412 Ha. Parameter properties material akan digunakan sebagai data masukan untuk pengoptimalan kestabilan lereng yang berpotensi terjadinya longsor. Sebagai hasil pembahasan, dapat disimpulkan beberapa hal berikut. Pertama, material pada lokasi penelitian tergolong sebagai material lunak, lemah, atau rapuh, sehingga bentuk longsoran yang terjadi adalah longsoran busur. Material juga dapat digali tanpa menggunakan peledakan. Kedua, parameter properties material yang berpotensi longsor yaitu soil: Berat isi tanah pada koordinat A, B, dan C adalah ()= 1.33gram/cm2, 2.02gram/cm3, dan 2.04gram/cm3. Berat isi kering adalah (d)= 1.104gram/cm3, 1.418gram/cm2 dan 1.552gram/cm2. Kohesi adalah (c)= 53.497 KN/m2, 50.300 KN/m2, 69.296 KN/m2. Dan Sudut geser dalam adalah (ϕ)= 25.01˚, 20.97˚ dan 17.57˚. Analisis lereng tunggal secara keseluruhan pada koordinat A dengan ketinggian 14 meter dan sudut 43˚, B dengan ketinggian 21 dan sudut 78˚, C dengan ketinggian 28˚ dan sudut 78˚. Hasil dari analisis nilai actual lerengyang dilakukan didapatkan nilai faktor keamanan pada koordinat A, B dan C dengan nilai FK dalam kondisi jenuh, setengah jenuh , dan kering adalah 1.732, Setengah jenuh 2.378 dan kering 2.711. Koordinat B dengan nilai FK dalam kondisi jenuh 0.949, setengah jenuh 1.081 dan kering 1.062. Pada koordinat C dengan nilai FK dalam kondisi jenuh 1.064, setengah jenuh 1.158 dan kering 1.164.

Analisis Kestabilan Lereng Penambangan Dengan Metode Janbu Menggunakan Software Slide 6.0 Pada Area Pit Barat Tambang Terbuka PT. Allied Indo Coal Jaya, Kota Sawalunto, Sumatera Barat. Fikhrul Arsyad; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 6, No 2 (2021): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v6i2.111711

Abstract. Based on observations made on the slopes in the pit area east of the open pit PT. Allied Indo Coal Jaya, found rock slope which has a height of 16 meters, slope angle is 74 and has many weak plane structures that can cause landslides. From the results of the research that has been carried out, the rock cohesion value is 0.095 MPa and the value of the friction angle in the rock is 39.11º. In determining the value of the slope safety factor using slide 6.0 software, the value of the slope safety factor in saturated conditions is 1.214; the original condition was 1.357 and the dry condition was 1.483. So it can be concluded that the slope is not safe when the conditions are saturated. For that, it is necessary to make improvements to the slope geometry. The recommended improvement is to change the slope geometry to two slopes thereby increasing the value safety factor initialy 1,214 to be 1,266.Keywords: Slope, failure, cohesion, friction angle, safety factor.

Faktor-faktor Penyebab Kecelakaan Kerja di Areal Penambangan Batu Kapur pada Pt. Sumbar Calcium Pratama Rezki Hidayat; Rijal Abdullah; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 3, No 2 (2018): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

At PT. Sumbar Calcium Pratama found several violations against existingSOP. There are still many workers who work in hazardous work positions, the useof equipment and machines in an unsafe way and they not use the protection toolsthat have been provided by the company. The purpose of this research is to revealthe factors that cause work accidents, reveal the most dominant factors as thecause of occupational accidents, reveal the potential hazards that can causeaccidents, can calculate the percentage of the frequency and severity of workaccidents, can cause human error or unsafe employee behavior, and can give anidea of the use of hazard card.In this research, combined between theory with field data, so get problemsolving approach. And the results of data processing will be analyzed forsubsequent to be generated a recommendation.Based on the results of research conducted can be summed up some of thefollowing. First, accident-causing factors are generally caused by unsafe andunsafe measures, the most dominant factor is unsafe, other potential hazards thatallow the occurrence of accidents in the implementation of mining activities inPT. Sumbar Calcium Pratama, such as the convetional mining, in 2016, 87.3%frequency rate and severity rate of 43.69%, and the results of the questionnairenote that the attitude and application of employees are in fairly good category.Keywords: K3, unsafe action, unsafe condition

Evaluasi Kinerja Alat Gali Muat dan Alat Angkut Menggunakan Metode Quality Control Circle Untuk Mencapai Target Produksi Batubara Pada Tambang Terbuka PT. Allied Indo Coal Jaya, Parambahan, Sawahlunto. Ridwan Saputra; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 6, No 3 (2021): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v6i3.112552

One of the steps to control the rate of productivity and accuracy in achieving the monthly plan is to observe or evaluate the performance of the digger fit and conveyance. This is what PT Allied Indo Coal Jaya has done in evaluating the performance of the production department in extracting coal material. Data for October 2019 shows that the planned coal production target of 30,000 tonnes / month was only achieved 16,913 tonnes / month. A production management study was conducted by applying the Quality Control Cycle (QCC) method. This method makes it possible to conduct a study of the performance evaluation of heavy equipment and the obstacles experienced during the production process. The study begins by recalculating the initial conditions by considering the mining equipment used, namely the CAT 330 Excavator and the DT Hino FM 260 JD. The actual productivity of 1 unit of Exca CAT 330 reached 21.814,173 tons / month and DT Hino FM 260 JD reached 18.767,03 tons / month with a total of 4 units of DT, the match factor of heavy equipment reached 0.65, After evaluating the Fishbone Diagram, it was found that there were major problems namely environmental factors, equipment and man power that affect working time. Performance improvement recommendations based on the Paretto Diagram, considered to optimize uptime. The results show that with increased productivity with 1 unit of exca CAT 330 equipment of 26.541,89 tons / month and 4 units of DT coal production increased by 30.289,24, the match factor of heavy equipment reached 0.85. These results indicate that the performance of the equipment can still be improved to achieve the monthly coal production target

Co-Authors Abdullah, MT, Dr. Rijal Ade Elsa Marini Adree Octova Afdal Zikri Ahmad Abdillah Ahmat Torkis Zudri Aiv Fajri Muchtar Akbar Wahyu Pratama Aldri Frinaldi Alif Vito Palox Amali Putra Andre Gustian Andre Rahmat Saputra Andree Octova Andryan Febriadi Aprional Ifnanta Audia Multriwahyuni Azhary Rahim Bambang Heriyadi Baron, Adhitya Dasman Lanin Dasri Husien Dedi Yulhendra Delvina, Mery Dendi Fermon Dika Deni Riski Ramadan Deni, Andri Van Derry Trenza Maida Dicky Sevendra Dimas Agung Hermawan.HL Doli Ali Fitri doly dakhyar hutasuhut Donny Fernandez Eggi Marcelleno Eko Irwan Excell Vicky Satria Fachri Arif Facrul Rozi Ramadhan Fadhilah Fadhilah Fajri Hafiz Nurzam Fandi Aulia Syofyan Fariz Aditya Fedi Fedi Fikhrul Arsyad Fitra Rifwan Fitri Eka Yulia Fitri, Lira Zana Frisca Rinaldi Putri Gary Aprio Gerry Vernando Hadyan Arif Hagit Kristiansyah Hari Sentosa Harizona Aulia Rahman Hazqan Hari Asri Heldi Heldi, Heldi Helky Sandra Heri Permana Heri Prabowo Ichsan Achmad Setiawan Ihsanul Rifki Ilahi Putri, Winda Amanah Ilal Hamdi Ilham Sepriadi Irfand Irviandha Rafi Jesicel, William Jordi Andika Putra Salim Khairanisa Ariya Lukman Firmansyah Maiyudi, Riko Maiyudi Marlina A, Riam Micco Syaputra Muhamad Irvan Muhammad Ichsan Busra Muhammad Ikmal Muhammad Rafles Yusuf Muhammad Syukri Yusa Muhammad Yazi'd Mulya Gusman Murad Murad Nadra Mutiara Sari Naldo, Exwil Nasti, Prayudi Natasha Nur Ananda Novia Afrizal Oktaviana Saputri Oktaviani Oktaviani Pakhrur Razi Pandu Poernaddie Iswara pinto prinanda Purwoko, Agus Putra, Kyrie Eleison Raimon Kopa Randi Sepniko Rangga Agung Pribadi Heriawan Rembrant, Rembrant Rendi Julianto Elsa Rezki Hidayat Ridho Yovanda Ridwan Saputra Riko Maiyudi Riri Metriani Riski Adelina Pane Rizto Salia Zakri Roges Tomara Mahesa Rony, Zahara Tussoleha Rudy Anarta Sadam Husean Saldy, Tri Gamela Sari, Ceni Febi Kurnia Satria Al Rafid Satria Rija1 Selaras, Ganda Hijrah Septian Andika Putra Siska Alicia Farma Sultan Muhammad Taufik Sumarta, Fauzan Sumarya Sumarya Syafri, Rifki Randa Syamsul Bahri TAUFAN PRAYOGI Teguh Indra Putra Tiwi Melisa Tommy Joetra Umar Fauzan Umar, Genius Wahyu Dicky Guntara Wahyu Rijal Waskito Putra Yori Amzeri Yulian, Yoga Ahmad Zabal Nur Zulni Eldo Putra

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