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Guskarnali, Guskarnali
Jurusan Teknik Pertambangan, Fakultas Sains Dan Teknik, Universitas Bangka Belitung
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Inisiasi Usaha Agromaritim dengan Penggemukan Kepiting Bakau (Scylla Sp) dan Budidaya Tanaman Buah Adibrata, Sudirman; Wahidin, La Ode; Guskarnali, Guskarnali
Abdimas Galuh Vol 7, No 1 (2025): Maret 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i1.16961

Abstract

Pemberdayaan kelompok pembudidaya ikan melalui penggemukkan kepiting bakau (Scylla sp.) dan budidaya pepaya California (Carica papaya L.) di Sub-DAS Selindung berpotensi dapat meningkatkan kesejahteraan pembudidaya. Kegiatan ini bertujuan untuk menginisiasi usaha agromaritim melalui penggemukkan kepiting bakau dan budidaya tanaman buah pepaya California yang berkelanjutan. Kegiatan ini dimulai bulan Juni hingga November 2024, bertempat di Kelompok Pembudidaya Ikan Kulong Kelat Sukses (Pokdakan KKS) Desa Pagarawan, Kecamatan Merawang, Kabupaten Bangka. Kegiatan ini menggunakan pendekatan kualitatif dan kuantitatif termasuk sosialisasi dan diseminasi. Hasil menunjukkan bahwa degradasi ekosistem mangrove dapat menurunkan populasi kepiting bakau sehingga dibutuhkan upaya pengelolaan agar eksploitasinya menjadi terkendali. Inisiasi usaha agromaritim memberikan keuntungan yaitu adanya peluang pasar terhadap ukuran kepiting bakau yang belum layak jual untuk digemukkan oleh pokdakan. Teknologi probiotik Probio_FmUBB terbukti efektif dalam meningkatkan produktivitas dan keberlanjutan usaha budidaya kepiting bakau dan budidaya pepaya California. Beberapa tantangan pemberdayaan diantaranya perubahan iklim, fluktuasi pakan ikan rucah, ketersediaan bibit kepiting bakau, kualitas air, dan kualitas tanah. Kepiting bakau yang gemuk akan mengalami molting sehingga ukurannya menjadi lebih besar. Sub-DAS Selindung mempunyai potensi yang besar untuk pengembangan ke arah penangkapan dan budidaya kepiting bakau. Pendampingan yang dilakukan UBB memberi contoh inisiasi dan inovasi penanaman bibit pepaya California di media tanah langsung dan di planterbag. Kondisi cuaca yang panas ekstrim sangat mempengaruhi pertumbuhan pohon pepaya sehingga membutuhkan pemeliharaan intensif untuk menghasilkan buah yang baik. Implementasi konsep agromaritim melalui kegiatan sosialisasi, edukasi, dan diseminasi dapat meningkatkan nilai tambah ekonomi dalam pengelolaan sumberdaya secara berkelanjutan di Sub DAS Selindung.
Optimalisasi dan Produktivitas Alat Gali-Muat dan Alat Angkut pada Tambang Batu Granit PT Vitrama Properti di Desa Air Mesu, Kecamatan Pangkalan Baru, Kabupaten Bangka Tengah: Optimization and Productivity of Excavator and Dump Truck in Granite Mining Activity of PT Vitrama Properti at Air Mesu Village, Pangkalan Baru Subdistrict, Central Bangka Regency Nasuhi, Muhamad; Tono, E.P.S.B Taman; Guskarnali, Guskarnali
MINERAL Vol 2 No 1 (2017): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v2i1.1541

Abstract

Granite mining activity of PT Vitrama Properti is done by blasting system followed by work combination of one unit Excavator serve four units Dump Truck with a production target of 60.000 tonnes/month. The method of this research is quantitative descriptive to know achieving optimization and productivity Excavator-Dump Truck and efforts are needed to achieve the production target. The results of this research that digging and transport activities not run optimally seen from the low efficiency of work, which only reached 46,57% for digging activity and 40,51% material transport activities of the actual productivity of 29503,44 tons / month for Exacavator and 20754,72 tons / month for Dump Truck. Efforts are needed to achieve the production target is to make improvements circulation time of Dump Truck, increase the work efficiency of digging-transport activity and adding charging frequency to vessel Dump Truck.
Kajian Teknis Penggalian Lapisan Tanah Atas dan Kaksa untuk Meningkatkan Laju Pemindahan Tanah pada Kapal Keruk 21 Singkep 1 di Perairan Air Kantung, Sungailiat, Bangka: Technical Study of Top Soil and Kaksa Diggingto Improve Soil Removal Rate of Dredger 21 Singkep 1 on Air Kantung Waters, Sungailiat, Bangka Regency Saputra, Aleo; Tono, E.P.S.B Taman; Guskarnali, Guskarnali
MINERAL Vol 2 No 2 (2017): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v2i2.1551

Abstract

One of the parameters of dredgers succeed is the rate success of overburden and kaksa per hour. For Dredger 21 Singkep 1 in September 2016 its LPT reach 493 m3/h, so it is still not yet achieved the ideal LPT dredger with bowl measuring 24 cuft of 782,44 m3/hour. The technical study on the excavation of top soil and kaksa done through the stages of research that consists of data collection, grouping the data as well as data processing and analysis. The results of this study indicateLPT ideal on the excavation of top soil for 978,05 m3/hour can be achieved by setting an average depth of 0.54 m emphasis ladder on the side wire speed of 6.82 m/minute and the pull wire speed setting aside that is equal to 8,04 m/minute at an average depth of 0.46 m emphasis ladder, while ideal in the excavation layer kaksa’s LPT of 586.83 m3/hour can be achieved by setting an average depth of 0.26 m emphasis ladder on the side of the wire speed 8.73 m/minute and the pull wire speed setting aside of 11.16 m/ minute at an average depth of 0.20 m emphasis ladder. LPT excavation of topsoil using face long methods reaches 845.38 m3/hour, or an increase of 19.7% from the LPT on short face methods that is equal to 652.78 m3/hour.
APLIKASI SOFTWARE GEOSTUDIO 2007 SLOPE/WUNTUK ANALISIS KESTABILAN LERENG DI TAMBANG MUARA TIGA BESAR UTARA PT BUKIT ASAM (PERSERO) Tbk SUMATERA SELATAN: The Application of Software Geostudio 2007 Slope/w to analysis slope instability in Mine Muara Tiga Besar Utara at PT Bukit Asam (Persero)Tbk South Sumatera Putra, Irza Tri; Guskarnali, Guskarnali; Irvani, Irvani
MINERAL Vol 2 No 2 (2017): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v2i2.1562

Abstract

PT Bukit Asam (Persero) Tbk is one of the State Owned Enterprises engaged in coal mining. Presente of Mine Muara slopes at Muara Tiga Besar Utara would be harmful to workers and the mechanical vehicle, because the soil/ rock is likely to experience landslides or falling. This study was conducted to determine the value of slope safety factor RKAP 2017 and redesign the slopes with a safe condition. The data used in this study include the value of cohesion (c’) the angle of friction (ϕ’) and density (γ). Retrieval of research data obtained from the test results did not drainage unconsolidated triaxial (UU) and test weight of soil/rock with Paraffin Wax Method, and then did the processing of data by using Software Geostudio 2007 Slope/w to determine the value of the safety factor of the slope. Factors affecting slope instability in Mine Muara Tiga Besar Utara were the geometry of the slope, weather/climate, vibration, and physical properties and mechanics of soil/rock composed of the density (γ), ie 1.203 to 2.025 gr/cm3, the value of cohesion (c’), which is 34 to 266 kPa and the shear angle value (ϕ’), ie 17.65 to 35.210. The results of slope stability analysis indicate that the value of slope safety factor RKAP 2017 was below 1.25, so the potential occurrence of landslides, while the redesign slope slope with the security condition had a value of safety factor is above 1.25, so that no potential landslides.
Pendugaan Potensial Penyebaran Mineralisasi Sumberdaya Timah Primer Menggunakan Metode Geomagnetik Pada Wilayah IUP PT TIMAH (Persero) Tbk Di Desa Pengarem Kecamatan Tukak Sadai Kabupaten Bangka Selatan: Estimation of Potential Mineralization Cassiterite Deployment Using Geomagnetic Region IUP PT TIMAH (Persero) Tbk Pengarem Village, Tukak Subistricts, Districts Bangka Selatan Aldino, Teo; Guskarnali, Guskarnali; Irvani, Irvani
MINERAL Vol 2 No 2 (2017): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v2i2.1567

Abstract

Exploration is a phase before mining activity which is to know, estimate, and attain the measurement, shape, position, average ore content, and also the amount of minerals reserved sediment which are to know economic value. Based on the discovered outcrop, IUP PT TIMAH (Persero) Tbk located in Pengarem Village, Tukak Sadai District, South Bangka it is allegedly has potential source of cassiterite reserved sediment . in case to know the potential zone of source and the spread direction , it is needed to do exploration, one of it is by using geomagnetic method. By using 2 units of magnetometer tool along with base magnetometer application and mobile magnetometer to read (suseptibility) stones magnetic and minerals under the surface. The number of reading lines is 17, distance of the reading point is 10 m, with the number of reading point is 1587, the length of lines is 59 m. Based on the result of reading the geomagnetic method in Pengarem Village with IGRF value is 43204,2 inclination corners -23,493 declination 0,616 which are already corrected by Oasis Montaj V6.4.2 software owns variety value of suseptibility. The highest value is 52,1 nT and the lowest is -36,2 nT. The magnetic anomali contour map that is produced shows that there are potential zone and spread direction of cassiterite source from southwest to northeast. Analysis and conclusion based on geology data.
Perbandingan Perhitungan Sisa Cadangan Batu Granit Menggunakan Metode Cross Section Terhadap Metode Contour Pada PT Aditya Buana Inter Di Kabupaten Bangka: Comparison Of Calculation The Rest Reserve Of Granite Using Cross Section Method On Contour Method At PT Aditya Buana Inter In Bangka Regency Irwan, Andesta Granitio; Irvani, Irvani; Guskarnali, Guskarnali
MINERAL Vol 3 No 1 (2018): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v3i1.1573

Abstract

The calculation of the remaining reserves is one of the important things in the world of mining, especially in the mining business of granite. The importance of the calculation of reserves is used to determine the potential of granite stone resources in determining the amount of production of the company and the age of the company. For that many methods of calculating the reserves that can be used according to the type of minerals to be calculated the remaining reserves one of them using Cross Section Method and Contour Method. Field measurement used theodolith which further processing done by making contour map using Software Surpac 6.6.2. Processing using Minescape 4.119 Software for Cross Section Method with contour map iterval 1, 5, and 10 m and in division section with interval section 10, 15, and 20 m so as to obtain the width of field section, while Contour Method used contour elevation map that is 1, 5, and 10 m so as to obtain the area of ​​the field between the same elevation. After obtaining the area of ​​each method, use the frustum equation and mean area to determine the volume of surface reserves and from the volume results can be known the length of the mine life. The results obtained from the processing is the method of Cross Section largest reserve calculation value is at contour 1 m with the interval section 10 m that is equal to 5.662.168,28 m3 or 14.721.637,53 tons, while the Contour Method of the largest reserve value is at a contour interval of 1 m ie 4,871,332,59 m3 or 12,665,464,73 tons and for the age of the mine obtained using the highest reserve value in the Cross Section Method has a longer mine life of 42 years, while in Contour Method is 41 years.
Perencanaan Kebutuhan Alat Gali-Muat dan Angkut dengan Kapasitas Ore Getting 200 m3/jam pada Rencana Penambangan PT Timah (Persero) Tbk: Requirement Plan of Load and Haul Equipment Withthe Capacity of Ore Getting 200 m3/hr on Mine Plan at PT Timah (Persero) Tbk Nurhadi, Rajandra; Guskarnali, Guskarnali; Irvani, Irvani
MINERAL Vol 3 No 1 (2018): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v3i1.1579

Abstract

PT Timah (Persero) Tbk is a company engaged in mining especially tin. Tin is one of the most important deposits in the development of world technology. PT Timah (Persero) Tbk has an important role in the procurement of tin in the world. In mining, the mine planning stage is very important before the exploitation stage. At the planning stage of a mine will be planned in such a way as to obtain optimal results. One of the stages of mine planning is the planning of the required load equipment and haul equipment. PT Timah (Persero) Tbk plans to open a mine with open pit system that is using mechanical equipment in Mining Permit Area of West Bangka Regency, Bangka Belitung Islands Province. The mine plan has an ore-gain capacity of 200 m3/hour, requiring the planning of load and haul equipment to meet the ore getting capacity and stripping of overburden and haul geometry in general. Based on the factors that exist in the mine, the load equipment used is the excavator and haul equipment used is Articulared Dumpt Truck. By taking the cycle time as a reference and then converted by the distance of overburden stripping and ore getting activity every year, then can be known the productivity of equipment and the amount of equipment required each activity every year. The number of equipment required is at least 1 load equipment and 4 haul equipment, while the most are 4 load equipment and 13 haul equipment. The geometry of the haul road based on the specification of the haul equipment at the location of the plan has the width of the haul road on a 12 meter straight road, the haul road width at 21 meters, and the 9,1 meter bend radius
Kajian Teknis Flyrock Dan Jarak Aman Minimum Peledakan Di Jobsite PT Unggul Dinamika Utama Site PT Indexim Coalindo: Flyrock Technical Study and Minimum Safe Distance for Blasting at PT Unggul Dinamika Utama's Jobsite at PT Indexim Coalindo's Site Indra, M Alfarie; Franto; Guskarnali
MINERAL Vol 10 No 1 (2025): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/bwj5jg83

Abstract

This study examines the condition of flyrock and safe blasting distance at the jobsite of PT Unggul Dinamika Utama-PT Indexim Coalindo in East Kutai, East Kalimantan. The study was conducted at Pit Tempudo 6 by collecting blasting geometry data and actual flyrock points using GPS as many as 30. The research method used was the actual calculation of flyrock throwing distance using Pythagoras and the predicted calculation of flyrock throwing distance using the theory of Richard and Moore and Ebrahim Ghasemi which was then carried out a technical study of flyrock and minimum safe blasting distance. The processing results showed the use of an average blasting geometry with a burden value of 7.86m, spacing of 8.96m, stemming of 3.64m, blast hole depth of 7.05m, powder column of 81.64kg with the furthest actual flyrock distance of 90.3m. The influence of blasting geometry parameters obtained a burden value of 0.01%, spacing of 0.86%, Stemming of 18.09%, blast hole depth of 6.38%, powder column of 2.21%. Stemming has a high influence on flyrock, with a percentage of 18.09%. Additional factors such as inadequate site preparation and insufficiently dense stemming also contribute to flyrock. Theoretical predictions after the calculated data were transformed showed that the Richard and Moore cratering factor method had the closest results, at 24%, compared to Ebrahim Ghasemi's 29%. Based on technical studies, the recommended safe radius is 181 m for heavy equipment, while for humans it remains at 500 m.
PENGGEMUKAN KEPITING BAKAU (Scylla serrata) SISTEM APARTEMEN SEBAGAI ATRAKSI WISATA DI PANTAI TAKARI BANGKA BELITUNG Adibrata, Sudirman; Wahidin, La Ode; Guskarnali, Guskarnali
Jurnal Abdi Insani Vol 11 No 1 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i1.1188

Abstract

The significant tourism potential at Takari Beach must be managed well to attract tourists, including providing the crab apartment tourist attraction. Crab fattening activities using an apartment system at tourist locations can develop the mud crab (Scylla serrata) species. This is expected to increase visitor interest in educational tourism from the Takari Beach tourist destination. PKM activities aim to develop tourist attractions through the apartment system of fattening mangrove crabs (Scylla serrata) by KTH HKM Takari Bangka Belitung. This activity was carried out from May to November 2023 at Takari Beach, Rebo Village, Sungailiat District, Bangka Regency, Bangka Belitung. The method is carried out in a participatory manner that prioritizes the role and participation of the HKM Takari Manager as a supporter in the apartment system of mangrove crab fattening. The results show that the KTH HKM Takari Manager was given a business permit for forest utilization covering 59 Ha. Adding a tourist attraction in the form of mangrove crab (Scylla serrata) apartments on Takari Beach is an innovation the management can develop. Land preparation and construction of crab apartments was carried out over 3 months with 54 apartment boxes. The procurement of young mud crabs is managed by HKM Takari Management and purchased from fishermen who catch mud crabs, which are then fattened in the crab apartment. Measuring the length and weight of mud crabs, water quality, and substrate is very helpful in analyzing the growth and survival of mangrove crabs sustainably. Innovation in tourist attractions with apartment systems fattening mangrove crabs gives new enthusiasm to managers. The mangrove crab apartment tourist attraction is expected to support sustainable tourism management.
Interpretasi Material Pada Rancang Bak Ukur Skala Laboratorium Dengan Pendekatan Konfigurasi Wenner, Wenner – Schlumberger dan Dipole-dipole: Material Interpretation in Laboratory Scale Measurement Design Using Wenner, Wenner–Schlumberger and Dipole-dipole Configuration Approaches Guskarnali, Guskarnali; Oktarianty, Haslen; Irvani, Irvani; Tono, E.P.S.B. Taman; Andini, Delita Ega
MINERAL Vol 8 No 2 (2023): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v8i2.4958

Abstract

Geoelectric measurements have been carried out using multichannel ResistivityMeter (Geores) tools with Wenner, Wenner-Schlumberger, and Dipole-dipole Configuration approaches on the influence of materials arranged in a laboratory-scale measuring tub design with dimensions of 194x184x80 cm. The measured method is the variation in resistivity value against each trajectory of the material. The method used is the variation of resistivity values for each path of the material that has been arranged in a laboratory scale measuring design. Geoelectric measurements were carried out on 7 lines (5 line in the West-East direction and 2 line in the North-South direction). The spacing between the electrodes of each line is 10 cm with 16 electrodes in one line so that each line has a length of 160 cm or 1.6 m which corresponds to the length and width dimensions of a laboratory scale measuring design. The electrode arrangement parameters are constant with respect to changes in the configuration selected from the geores parameters during geoelectric measurements. The measurement results showed that the identified depth reached 31.2 cm. The low resistivity value category has an interval of 374-4,397 ohm.meters at a depth of 0-12.5 cm, which is the influence of building sand material containing water and soil, while the depth interval is 12.5 - 31.2 cm ohm.meters (material category that is influenced by 2 iron rods, tin tailings sand, granite, gravel) with resistivity values ranging from 12,378–67,498 ohm.meters. From experiments on the influence of the resistivity values of the three Wenner, Wenner-Schlumberger, and Dipole-dipole configurations, it was obtained that the smallest absolute error resistivity value in the Wenner configuration was 5.01% against the overall average absolute error resistivity value of 10.16%.
Co-Authors Adibrata, Sudirman Agus Cik Aldino, Teo Aleo Saputra Alex Lisendrik Nadapdap Alfitri Rosita Alfitri Rosita, Alfitri Amran Amri, Novinda Tiara Ayu Andesta Granitio Irwan Andini, Delita Ega Anggara, Dayu Benget Harmoko Manik Benget Harmoko Manik Boy Dian Anugra Sandy DBA. Andris Delita Ega Andini Desti Armelia EPSB Taman Tono Erika Saskia Ester Indah Sari Faisal Faisal Fika Dewi Pratiwi Franto Franto, Franto Franto, Franto Ghina Qatrunnada H. Oktarianty Haslen Oktarianty Indra Chang Indra, M Alfarie Irvani Irvani Irvani, Irvani Irvani, Irvani Irza Tri Putra Janiar Pitulima Jeffry Reynold Silalahi La Ode Wahidin Lisa Maulidya Mardiah Mardiah Mardiah Mardiah Mohammad Agung Nugraha Muhamad Nasuhi Muhammad Amin Sitepu Nasuhi, Muhamad Ndaru Satrio Nurhadi, Rajandra Oktarianty, Haslen Okto Supratman Putra, Irza Tri Rafi Sasena Rajandra Nurhadi Regita Kasih Parenty Rika Fitriani Ririn Amelia Robby Gus Mahardika Saputra, Aleo Satrya Sembiring, Raskita Alan Tarigan, Arjunanta Teo Aldino Tono, E.P.S.B Taman Wahyu Adi