Bandung Conference Series: Mining Engineering最新文献

{"title":"Klasifikasi Lokasi Usaha Pertambangan Mineral Logam di Indonesia Berdasarkan Risiko Bencana Alam","authors":"Rendra Muhamad Safei, Yunus Ashari, Deni Firmansyah","doi":"10.29313/bcsme.v2i2.3641","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3641","url":null,"abstract":"Abstract. Indonesia has a high and diverse natural wealth, especially in the types of mining minerals. This mining activity has many risks, one of which is the risk of natural disasters, so the research aims to map the locations of metal mineral WIUPs, assess the magnitude of the disaster risk index for each region, and classify metal mineral WIUP locations based on disaster risk. In his research, he obtained data for metal mineral WIUP from ESDM in 2020 and the value of the disaster risk index from the IRBI 2020 book published by BNPB. This risk index value is then reclassified and mapped into each natural disaster. After successfully mapping the natural disaster index map, then the metal mineral WIUP will be merged spatially on the natural disaster risk index map. The number of metal mineral WIUPs in Indonesia is 1395 WIUPs for production operations spread over 31 of 34 provinces in Indonesia. Of the 34 provinces in Indonesia that have a high level of natural disaster risk, each province has 54 with earthquake risk, 242 with flood risk, 100 with tsunami risk, 8 with volcanic eruption risk, and 32 with landslide risk. For areas classified as high, there are 10 for earthquake risk, 53 flood risk, 42 tsunami risk, 12 volcanic eruption risk and 202 landslide risk. In 1395 metal mineral mining business locations as many as 1193 business locations have a combined natural disaster risk, With a classification that has a very high level of 87 locations, a high level of 255 locations, a medium level of 650 locations, a low level of 187 locations and a very low level of 14 locations. \u0000Abstrak. Indonesia memiliki kekayaan alam yang tinggi dan beragam terutama dalam jenis bahan galian tambang. Kegiatan pertambangan ini memiliki banyak sekali risiko salah satunya risiko bencana alam, sehingga pada penelitian bertujuan untuk memetakan lokasi WIUP mineral logam, menilai besaran indeks risiko bencana tiap daerah, dan mengklasifikasikan lokasi WIUP mineral logam berdasarkan risiko bencana Dalam penelitiannya didapatkan data WIUP mineral logam dari ESDM tahun 2020 dan nilai indeks risiko bencana dari buku IRBI 2020 yang diterbitkan oleh BNPB. Nilai indeks risiko ini kemudian diklasifikasikan kembali dan dipetakan menjadi masing – masing bencana alam. Setelah berhasil memetakan peta indeks bencana alam kemudian dilakukan penggabungan WIUP mineral logam secara spasial pada peta indeks risiko bencana alam. Jumlah WIUP mineral logam di Indonesia sebanyak 1395 WIUP operasi produksi yang tersebar di 31 dari 34 provinsi di Indonesia. Dari 34 Provinsi di Indonesia memiliki tingkat risiko bencana alam yang tinggi dengan masing – masing jumlah provinsi yakni 54 dengan risiko bencana gempa, 242 risiko banjir, 100 risiko tsunami, 8 risiko letusan gunung api, dan 32 risiko tanah longsor. Untuk wilayah yang diklasifikasikan menjadi tinggi yaitu 10 untuk risiko bencana gempa, 53 risiko banjir, 42 risiko tsunami, 12 risiko letusan gunung api dan 202 risiko tanah longsor. Dalam 1","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130719495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remaining Service Life Struktur Conveyor B pada Tambang Batubara PT XYZ di Kabupaten Banjar Provinsi Kalimantan Selatan","authors":"Roby Ardianta, Elfida Moralista, Zaenal","doi":"10.29313/bcsme.v2i2.3634","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3634","url":null,"abstract":"Abstract. Conveyor is a mechanical device used to move material from one place to another. The structure of the conveyor is usually made of carbon steel which is subject to corrosion caused by the oxidation of the steel. Therefore, it is necessary to control corrosion in order to inhibit the corrosion rate so as to extend the Remaining Service Life (RSL). The method used in this research is thickness reduction by measuring using Ultrasonic Thicness Gauge TT 130, which is carried out on a conveyor structure that has a length of 90 meters and is divided into three segments consisting of 25 test points, and has a design life of 15 years with initial installation was in 2014 and was impregnated in 2020 with a nominal thickness of 13.00 mm and an actual thickness of 11.38 mm. The type of corrosion that occurs in the structure is uniform corrosion. The corrosion control method used is coating with a three layer system with primary coating using seaguard 5000 then intermediate coating using sherglass FF and top coating using aliphatic acrylic modified polyurethane. The value of the corrosion rate is 0.1833 to 0.32 mm/year which is classified into the good category, with a conveyor life of 6 years with a remaining service life of 7 to 11.5 years, of which 32% of the test points cannot reach the design life. \u0000Abstrak. Conveyor merupakan alat mekanis yang digunakan untuk memindahkan material dari satu tempat ke tempat lainnya. Struktur dari conveyor biasanya terbuat baja karbon yang pasti dapat mengalami korosi yang disebabkan oleh oksidasi yang dialami baja. Oleh karena itu diperlukannya pengendalian korosi agar dapat menghambat laju korosi sehingga dapat memperpanjang Remaining Service Life (RSL). Metode yang digunkan pada penelitian ini merupakan pengurangan ketebalan dengan melakukan pengukuran menggunakan Ultrasonic Thicness Gauge TT 130, yang dilakukan pada struktur conveyor yang memiliki panjang 90 meter dan di bagi menjadi tiga segmen yang terdiri atas 25 test point, serta memiliki umur desain selama 15 tahun dengan pemasangan awal pada tahun 2014 dan dilakukan impeksi pada tahun 2020 dengan tebal nominal 13,00 mm dan tebal aktual 11,38 mm. Jenis korosi yang terjadi pada struktur yaitu korosi merata. Metode pengendalian korosi yang dilakukan adalah coating dengan sistem three layer dengan primer coating menggunakan seaguard 5000 lalu intermediate coating menggunakan sherglass FF dan top coating menggunakan aliphatic acrylic modified polyurethane . Nilai dari laju korosi 0,1833 hingga 0,32 mm/tahun yang dimana terklasifikasikan kedalam katagori good, dengan umur pakai conveyor 6 tahun dengan sisa umur pakai berkisar 7 hingga 11,5 tahun yang dimana sebanyak 32% test point tidak dapat mencapai umur desainnya.","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131565628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Karakteristik Mineral Kalsit pada Bahan Galian Batugamping di Kecamatan Cikembar, Kabupaten Sukabumi, Provinsi Jawa Barat","authors":"Firman Alvin Dwiyanto, Linda Pulungan, Dudi Nasrudin","doi":"10.29313/bcsme.v2i2.3625","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3625","url":null,"abstract":"Abstract. Limestone is a sedimentary rock composed of calcium carbonate minerals, one of which is the mineral calcite. Mineral calcite is a mineral with chemical kompisi CaCO3 that can be found in a pure state or not, due to the mineral content of impurities. These minerals are scattered in almost all areas of Sukabumi, with the potential for minerals that have been utilized by the community by mining or traditionally. Rock minerals are commonly used as construction and industrial materials in abundance.The research methodology used is to analyze limestone (calcite mineral), by testing the chemical properties of XRF and physical properties of rocks. X-Ray Fluorescence (XRF) is a method for identifying and determining the concentration of elements present in solid, powder to liquid samples. The XRF method is usually used to determine the elemental composition and chemical composition of a material, this method was chosen because it is fast and does not easily damage the sample. Physical characteristics testing revealed porosity values of 3.93% and 3.25% it may be deduced from these values that these limestones frequently have extremely small voids. The two samples' physical characteristics tests yielded void ratios of 0.04 cm3 and 0.03 cm3. Based on this value, the rock's quality can be determined, and if used for its physical attributes, it will be appropriate. The chemical properties of X-Ray fluorescence are known to show that limestone has an average CaO chemical composition of 55.84%. \u0000Abstrak. Batugamping merupakan sebuah batuan sedimen yang tersusun dari mineral kalsium karbonat, salah satunya yaitu mineral kalsit. Mineral kalsit adalah mineral dengan komposisi kimia CaCO3 yang dapat dijumpai dalam keadaan murni ataupun tidak, dikarenakan adanya kandungan mineral pengotornya. Bahan galian ini tersebar di hampir semua wilayah Sukabumi, dengan potensi bahan galian yang sudah dimanfaatkan masyarakat dengan menambang maupun secara tradisional. Bahan galian batuan biasa digunakan sebagai material kontruksi dan insutri dengan jumlah yang melimpah. Metodologi penelitian yang digunakan menganalisis batugamping (mineral kalsit), dengan melakukan pengujian sifat kimiawi XRF dan sifat fisik batuan. X-Ray Fluorescence (XRF) yaitu suatu metode untuk mengidentifikasi serta penentuan konsentrasi elemen yang ada pada bentuk padat, bubuk hinggal sample cair. Metode XRF biasanya digunakan untuk menentukan komposisi unsur dan kompisi kimia pada suatu material, metode ini dipilih karena cepat dan tidak mudah merusak sampel. Pengujian sifat fisik yang dilakukan didapatkan nilai porositas 3,93% dan 3,25% di mana nilai tersebut dapat dianalisis bahwa batugamping tersebut cenderung memiliki rongga yang sangat kecil sekaligus sedikit. Void ratio yang didapatkan dari hasil pengujian sifat fisik pada kedua sampel tersebut yaitu sebesar 0,04 cm3 dan 0,03 cm3. Berdasarkan nilai tersebut dapat dinyatakan kualitas batuan tersebut dan akan tepat bila dimanfaatkan secara s","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126019869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remaining Service Life Struktur Conveyor D pada Tambang Batubara PT XYZ di Kabupaten Banjar, Provinsi Kalimantan Selatan","authors":"Eldera Rizki Nuraini, Elfida Moralista, Iswandaru","doi":"10.29313/bcsme.v2i2.3586","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3586","url":null,"abstract":"Abstract. In the mining industry, one of the activities involved is the moving of mining materials that requires transport equipment to move materials effectively and efficiently. The tool used is the conveyor. This conveyor is based on carbon steel that is susceptible to corrosion result of environmental factors, such as the rainfall and moisture from the surrounding areas. Because of corrosion, it could result in a reduced life span in the conveyor structure. Therefore there was a parallel control and monitoring of corsicles in the conveyor structure by preventing corrosion reactions on the surface of the conveyor structure in order to increase the production of the excavated materials in the research area. The study was to know the types of corrosion, the methods of corrosion control, and the residual age wore on the surface of the conveyor structure. The research methodology used is the method of measuring the thickness of a conveyor structure by using an Ultrasonic Thickness Gauge TT 130. The study was carried out in 90 meter long conveyor structure which is divided into 3 segments with 25 test points. For environmental conditions in the research area, the 2016 - 2020 average rainfall is 261.791 mm/year, the average air temperature in 2017 - 2021 is 28.63°C and the average relative humidity in 2016 - 2020 by 77.54%. The type of corrosion that occurs on the surface of the conveyor structure is uniform corrosion. The method used for corrosion control is the coating method with a 3 layer system, namely the Seaguard 5000 primer coating, Sherglass FF intermediate coating and the Aliphatic Acrylic Modified Polyurethane top coating. The corrosion rate that occurs in the conveyor structure is in the range of 0.1833 – 0.3483 mm/year. The type of corrosion is categorized as good based on the relative corrosion resistance of steel. Meanwhile, the service life of the conveyor structure is 6 years and the remaining service life is around 6.42 – 9.36 years. Thus, there are 13 test points or 52% which are predicted not to reach the design life of 15 years. \u0000Abstrak. Dalam industri pertambangan, salah satu kegiatan yang dilakukan yaitu pemindahan material tambang yang membutuhkan alat angkut untuk memindahkan material secara efektif dan efisien. Alat yang digunakan yaitu conveyor. Conveyor ini berbahan dasar baja karbon yang rentan mengalami korosi akibat dari faktor lingkungan sekitar, seperti curah hujan dan kelembaban dari daerah sekitarnya. Dengan terjadinya korosi maka dapat mengakibatkan berkurangnya sisa umur pakai pada struktur conveyor. Oleh karena itu maka diperlukan pengendalian serta monitoring korosi pada struktur conveyor dengan cara mencegah reaksi korosi pada permukaan struktur conveyor agar dapat meningkatkan produksi dari bahan galian yang berada di daerah penelitian. Penelitian ini bertujuan untuk mengetahui jenis korosi, metode pengendalian korosi, dan sisa umur pakai pada permukaan struktur conveyor Metodologi penelitian yang digunakan ","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117141819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remaining Service Life Struktur Conveyor D pada Tambang Batubara PT XYZ di Kabupaten Tanah Laut, Provinsi Kalimantan Selatan","authors":"Duane Tika Maharani, Elfida Moralista, Zaenal","doi":"10.29313/bcsme.v2i2.3249","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3249","url":null,"abstract":"Abstract. Conveyor is a means of transportation that is applied in the mining industry to move mining materials economically and efficiently. The basic material of the conveyor is carbon steel which is susceptible to oxidation due to direct contact with the environment, so that the conveyor structure experiences corrosion. Losses due to corrosion can reduce the equipment's Remaining Service Life. Therefore, it is necessary to control and control corrosion so that the Remaining Service Life can reach its design life. The purpose of this study was to determine the type of corrosion, corrosion control methods, Corrosion Rate and Remaining Service Life of the conveyor structure. The research methodology used is measuring the thickness reduction of the conveyor structure. The actual thickness measurement is carried out on a 90 meter long conveyor structure divided into 3 segments with 25 test points. The thickness measurement carried out is to measure the actual thickness using the Ultrasonic Thickness Gauge TT 130. The environmental conditions in the research area have an average amount of rainfall in 2015 – 2019 of 206.78 mm/year, the average air temperature in 2015-2019 2015 – 2019 was 28.09°C and the average relative humidity in 2015 – 2019 was 78.78%. The type of corrosion that occurs in the conveyor structure is uniform corrosion. The coating method is a corrosion control method carried out on the conveyor structure using a 3 layer system, consisting of a Seaguard 5000 primer coating, Sherglass FF intermediate coating and Aliphatic Acrylic Modified Polyurethane top coating. The corrosion rate of the conveyor structure is 0.1880 – 0.3760 mm/year and based on the relative corrosion resistance of steel, it is categorized as good. The service life of the conveyor structure is 5 years and the Remaining Service Life is 6.36 – 11.65 years. Thus, there are 12 test points or 37.60% which are predicted not to reach the design life of 15 years. \u0000Abstrak. Conveyor adalah alat transportasi yang diaplikasikan dalam industri pertambangan untuk memindahkan material tambang secara ekonomis dan efisien. Bahan dasar conveyor merupakan baja karbon yang rentan mengalami oksidasi akibat kontak langsung dengan lingkungan, sehingga struktur conveyor mengalami peristiwa korosi. Kerugian akibat dari korosi dapat mengurangi Remaining Service Life alat tersebut. Oleh karena itu, perlu dilakukan pengendalian dan pengawasan korosi agar Remaining Service Life dapat mencapai umur desainnya. Tujuan dilakukannya penelitian ini untuk mengetahui jenis korosi, metode pengendalian korosi, Corrosion Rate serta Remaining Service Life struktur conveyor. Metodologi penelitian yang digunakan yaitu pengukuran pengurangan ketebalan struktur conveyor. Pengukuran tebal aktual dilakukan pada struktur conveyor sepanjang 90 meter terbagi menjadi 3 segmen dengan 25 test point. Pengukuran ketebalan yang dilakukan adalah mengukur tebal aktual dengan menggunakan alat Ultrasonic Thickness Gauge TT 1","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126579380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimasi Variabel Meja Goyang pada Proses Konsentrasi Bijih Mangan dengan Metode Steepest Ascent di Desa Kertajaya, Kecamatan Simpenan, Kabupaten Sukabumi, Provinsi Jawa Barat","authors":"Frisca Vitria Perkasa, Linda Pulungan, Sriyanti","doi":"10.29313/bcsme.v2i2.3296","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3296","url":null,"abstract":"Abstract. Manganese ore is one of the most widely used minerals and is the most abundant in the earth's crust. This is what makes manganese nowadays much sought after because it is an important ingredient for alloys in steel making. Based on research, there is potential for Manganese ore in Kertajaya Village, Simpenan District, Sukabumi Regency, West Java Province. The presence of Manganese ore is supported by the geological data of the area because of the Manganese outcrop in the form of fractures resulting from the association of the surrounding rocks that have been enriched. Therefore, the purpose of this study was to determine the grades obtained from Manganese (Mn) ore in the research area. This research was conducted by washing Manganese ore using a shaking table. The Manganese ore washing process is influenced by two variables, namely the fixed variable, namely the particle size and the independent variable, which consists of the slope of the table and the velocity of the water flow. The particle sizes used are 35#, 60#, and 100#. The magnitudes for the table slope are 1⁰, 2⁰, and 3⁰. Meanwhile, the velocity of the water flow is 8 m/s, 10 m/s, and 12 m/s. While the total weight of the feed as a whole which was washed in one test with a shaking table was 1000 gr. From the concentration results, it is known that the levels obtained at each particle size, where the size 35# gets the highest levels and gains, namely 76.68% and 59.24%. While in size 60# the highest levels and gains are 76.10% and 56.97%. As for the particle size 100#, the highest levels and gains were 76.40% and 56.20%. After knowing the highest grade and yield, it can be known the optimal condition of each particle size based on the steepest ascent graph. The optimal condition at 35# is in the 3rd experiment with equation 276.23227, while at 60# the optimal condition is in the 9th experiment with equation 255.889404. As for 100#, the optimal condition is in the 3rd experiment with the equation 236.06107. \u0000Abstrak. Bijih mangan merupakan salah satu bahan galian yang penggunaannya sangat besar dan termasuk paling banyak terdapat di dalam kerak bumi. Hal itulah yang menjadikan mangan saat ini banyak dicari karena menjadi bahan penting untuk campuran dalam pembuatan baja. Berdasarkan penelitian adanya potensi bijih Mangan yang terdapat di Desa Kertajaya Kecamatan Simpenan Kabupaten Sukabumi Provinsi Jawa Barat. Keterdapatan Bijih Mangan ini didukung dengan adanya data geologi daerah tersebut karena adanya singkapan Mangan dalam bentuk rekahan hasil dari asosiasi batuan di sekitarnya yang mengalami pengkayaan. Oleh karena itu tujuan dilakukannya penelitian ini adalah mengetahui perolehan kadar dari bijih Mangan di daerah penelitian tersebut. Penelitian ini dilakukan dengan melakukan proses konsentrasi pada bijih Mangan menggunakan alat meja goyang (Shaking Table). Pada proses konsentrasi bijih Mangan ini dipengaruhi oleh dua variabel yaitu variabel tetap yakni ukuran partikel dan v","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"216 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134536805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remaining Service Life Struktur Conveyor C pada Tambang Batubara PT XYZ di Kabupaten Banjar, Provinsi Kalimantan Selatan","authors":"Elviya Yeni, Elfida Moralista, Yuliadi","doi":"10.29313/bcsme.v2i2.3240","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3240","url":null,"abstract":"Abstract. Conveyor is one of the tools of transportation used in the mining industry, both for mining activities and for processing minerals. Conveyor structure made of carbon steel material that is prone to corrosion as a result of the influence of the environment, so it can be damaged and reduce the Remaining Service Life of the conveyor structure. This research was conducted to determine the type of corrosion, corrosion control methods, Corrosion Rate, and Remaining Service Life of the conveyor structure. In this study, the method of measuring the thickness reduction of the conveyor structure. The actual thickness measurement is carried out on a conveyor structure 90 meter long test points using a Smart Sensor Ultrasonic Thickness Gauge TT 130. The average rainfall is 206.94 mm/year, the relative humidity 82.17%, and the average temperature is 25.92ºC. The type of corrosion that occurs in the conveyor structure is uniform corrosion. The corrosion control method used is a three layers system coating method, namely the primary coating using Seaguard 5000, the intermediate coating using Sherglass FF, and the top coating using Aliphatic Acrylic Modified Polyurethane. Corrosion Rate ranges from 0.1586 to 0.3043 mm/year which is included in the good category according to the table of relative corrosion resistance of steel. The design life of the conveyor structure is 15 years and the service life is 7 years, while the Remaining Service Life from the calculation results ranges from 6.89 to 11.90 years, thus 7 of 25 or 28% of the test point is predictet won’t be able to reach its design life. \u0000Abstrak. Conveyor ialah salah satu alat angkut yang digunakan dalam industri pertambangan, baik untuk keperluan aktivitas penambangan maupun pada aktivitas pengolahan bahan galian. Struktur conveyor yang terbuat dari material baja karbon yang rawan mengalami korosi sebagai akibat pengaruh dari lingkungannya, sehingga dapat mengalami kerusakan dan mengurangi Remaining Service Life struktur conveyor tersebut. Penelitian ini dilakukan untuk mengetahui jenis korosi, metode pengendalian korosi, Corrosion Rate, dan Remaining Service Life struktur conveyor. Pada penelitian ini menggunakan metodologi pengukuran pengurangan ketebalan struktur conveyor. Pengukuran tebal aktual dilakukan pada struktur conveyor sepanjang 90 meter yang terdiri atas 25 test point menggunakan alat Smart Sensor Ultrasonic Thickness Gauge TT 130. Kondisi lingkungan pada daerah penelitian pada tahun 2015 – 2019 mempunyai curah hujan rata-rata 206,94 mm/tahun, kelembapan relatif rata-rata 82,17%, dan temperatur rata-rata 25,92ºC. Jenis korosi yang terjadi pada struktur conveyor adalah korosi merata. Metode pengendalian korosi yang digunakan adalah metode coating sistem three layers yaitu primer coating menggunakan Seaguard 5000, intermediate coating menggunakan Sherglass FF, dan top coating menggunakan Aliphatic Acrylic Modified Polyurethane. Corrosion Rate berkisar 0,1586 – 0,3043 mm/tahun yang t","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129507703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remaining Service Life Struktur Conveyor A pada Tambang Batubara PT XYZ di Kabupaten Tanah Laut, Provinsi Kalimantan Selatan","authors":"Rihhadatul Aisyi Alfafa, Elfida Moralista, Zaenal","doi":"10.29313/bcsme.v2i2.3269","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3269","url":null,"abstract":"Abstract. Coal transportation at PT XYZ in Tanah Laut Regency, South Kalimantan Province uses a transportation equipment such conveyors. The conveyor structure is made of low carbon steel which is susceptible to corrosion. Corrosion that occurs in the conveyor structure is caused by damage to the coating due to contact with the environment. Therefore this research was carried out on the conveyor structure with the aim of knowing the type of corrosion and corrosion control methods applied to the conveyor structure. The measurement methodology used on the conveyor structure with a length of 90 meters and 25 test points is based on thickness reduction of the conveyor structure using Ultrasonic Thickness Gauge TT 130. This measurement obtain information about the actual thickness of the conveyor structure which then becomes the input for calculating the Corrosion Rate and Remaining Life of the conveyor structure.The research conditions from 2015-2019 showed rainfall of 206.78 mm/year, air temperature of 28.09OC, and humidity of 78.78%. These environmental conditions will cause corrosion when interacting with the conveyor structure. Corrosion that occurs on the conveyor structure is a type of uniform corrosion. Corrosion control is carried out on the conveyor structure by using the three layers system coating method. This system consists of primary coating using Seaguard 5000, intermediate coating using Sherglass FF, and top coating using Aliphatic acrylic modified polyurethane. \u0000Abstrak. Pengangkutan batubara di PT XYZ di Kabupaten Tanah Laut, Provinsi Kalimantan Selatan menggunakan alat angkut berupa conveyor. Struktur conveyor yang digunakan berbahan dasar baja karbon (low carbon steel) yang rentan terjadi korosi. Korosi yang terjadi pada struktur conveyor disebabkan karena adanya kerusakan pada coating akibat kontak dengan lingkungan. Oleh karena itu dilakukanlah penelitian pada struktur conveyor dengan tujuan untuk mengetahui jenis korosi dan metode pengendalian korosi yang diaplikasikan pada struktur conveyor. Metodologi pengukuran yang digunakan pada struktur conveyor sepanjang 90 meter dan 25 test point ini berdasarkan pengurangan ketebalan struktur conveyor menggunakan Ultrasonic Thickness Gauge TT 130. Pengukuran ini membantu dalam mengetahui tebal aktual struktur conveyor yang selanjutnya menjadi input untuk perhitungan Corrosion Rate dan Remaining Service Life struktur conveyor. Kondisi penelitian dari tahun 2015-2019 menunjukkan curah hujan sebesar 206,78 mm/tahun, temperatur udara sebesar 28,09OC, dan kelembapan udara sebesar 78,78%. Kondisi lingkungan ini akan menyebabkan korosi ketika berinteraksi dengan struktur conveyor. Korosi yang terjadi pada struktur conveyor merupakan jenis korosi merata. Metode pengendalian korosi yang diaplikasikan pada struktur conveyor adalah metode coating three layers system. Sistem ini terdiri dari primer coating menggunakan Seaguard 5000, intermediate coating menggunakan Sherglass FF, dan top coating men","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134468877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remaining Service Life Struktur Conveyor D pada Tambang Batubara PT XYZ di Kabupaten Kotabaru, Provinsi Kalimantan Selatan","authors":"Dwiki Zulkifly Ardiansa, Elfida Moralista, Iswandaru","doi":"10.29313/bcsme.v2i2.3205","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3205","url":null,"abstract":"Abstract.  \u0000Activity moving products requires the help of mechanical devices that are able to deliver materials efficiently and condicively, beside there are mechanical devices called Conveyor. Conveyors made from a carbon steel with the prone condition oxidation due to direct contact with the surrounding environment. As a result, the metal composition based conveyor structure will be experience a process a loss material composition called Corrosion. The methodoly research in that case using the method reduction thickness of the conveyor structure with the divice Ultrasonic Thickness Gauge TT 130. Environmental conditions in the conveyor structure are have an average highest rainfall in 2020 is 292,08mm/year, average relative highest humidity in 2021 is 86,75%, and average highest air temperature in 2020 is 27.53°C, the research was conducted on 90m long Conveyor structure which have divided into a 3 segments with 25 test points. The goal of research was find out the type of Corrosion, Corrosion Control, Remaining Service Life structure and the Corrosion rate of the conveyor stucture. \u0000Abstrak.  \u0000Kegiatan pemindahan material–material hasil tambang memerlukan bantuan alat mekanis yang mampu mengantarkan material secara efisien dan kondusif, diantara alat mekanis tersebut adalah Conveyor. Conveyor berbahan baja karbon yang rawan mengalami oksidasi akibat bersentuhan langsung dengan lingkungan sekitar. Akibatnya Struktur Conveyor yang berbahan dasar logam akan mengalami proses kerusakan yang dinamakan korosi. Metedologi penelitian yang gunakan ialah metoda pengurangan ketebalan struktur Conveyor dengan menggunakan alat Ultrasonic Thickness Gauge TT 130. Kondisi lingkungan daerah Struktur Conveyor memiliki jumlah curah hujan rata–rata tertinggi tahun 2020 sebesar 292,08 mm/ tahun, kelembapan relatif rata–rata tertinggi tahun 2021 sebesar 86,75%, dan temperatur udara rata–rata tertinggi tahun 2020 sebesar 27,53°C. Penelitian dilakukan terhadap Struktur Conveyor D sepanjang 90m yang terbagi atas 3 segmen dengan 25 Test point. Penelitian bertujuan untuk mencari tahu jenis korosi, pengendalian korosi, Sisa Umur pakai Struktur Conveyor dan laju korosi.","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125312525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rancangan Produksi Kegiatan Pengupasan Lapisan Tanah Penutup Tambang Batubara PT Bumi Merapi Energi di Kecamatan Merapi Barat, Kabupaten Lahat, Provinsi Sumatera Selatan","authors":"Zulian Fariz, Iswandaru, Zaenal","doi":"10.29313/bcsme.v2i2.3471","DOIUrl":"https://doi.org/10.29313/bcsme.v2i2.3471","url":null,"abstract":"Abstract. PT Bumi Merapi Energi is one of the companies engaged in coal mining with an IUP area of 1,881 Ha located in West Merapi District, Lahat Regency, South Sumatra Province. PT Bumi Merapi Energi began land acquisition in 2015 and began its first mining activities in August 2015. PT Bumi Merapi Energi talah set a coal mining production target of 30,000 tons / month and a production target for overburden of 150,000 BCM / month at a Stripping Ratio of 5:1. Production planning is a production target plan for both overburden and coal on a monthly basis based on the total overburden volume and total coal volume per year and based on the efficiency of tool performance and the productivity of the loading and unloading equipment. This production planner is also used as a guide to determine the limits of mining progress on a monthly basis. Production planning and mining scheduling to be made must be in accordance with the production targets and stripping ratio values that have been set as well as the production value of each digging tool and transportation equipment so that data collection is needed in the form of direct observations in the field such as the productivity of the tools used, determination of work efficiency to plan the number of tools to be used, as well as determination of mining sequance and scheduling in accordance with production targets  company. The production plan and mining scheduling are based on the calculation of the production of digging and transport equipment, the production plan obtained from January to December for overburden of 150,000 BCM / month and for coal of 30,000 tons / month. For the determination of sequences and disign pits carried out based on production targets so that coal was obtained in January amounting to 27,932 tons, February at 29,743 tons, March at 30,123 tons, April at 28,942 tons, in May at 29,742 tons, in June at 30,042 tons, in July at 30,238 tons, in August at 30,452 tons, in September at 28,042 tons, in October it was 30,642 tons, in November it was 28,042 tons, and in December it was 28,426 tons. Based on the results of research conducted to achieve the production target and the Stripping Ratio value that has been set by the company, it can be recommended the number of digging tools that can be used every month, namely as many as 4 units of Excavators and 32 units of Dumptruck. \u0000Abstrak. PT Bumi Merapi Energi merupakan salah satu perusahaan yang bergerak dalam bidang pertambangan batubara dengan luas wilayah IUP sebesar 1.881 Ha yang terletak di Kecamatan Merapi Barat, Kabupaten Lahat, Provinsi Sumatera Selatan. PT Bumi Merapi Energi mulai membebaskan lahan pada tahun 2015 dan mulai melakukan kegiatan penambangan pada bulan Agustus tahun 2015. PT Bumi Merapi Energi menentukan target produksi penambangan batubara sebesar 30.000 ton/bulan dan target produksi untuk overburden sebesar 150.000 BCM/bulan pada Stripping Ratio 5 : 1. Perencanaan produksi didasarkan pada target produksi, baik untuk o","PeriodicalId":187584,"journal":{"name":"Bandung Conference Series: Mining Engineering","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124464195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}