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Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi
Published by Universitas Pendidikan Nasional
ISSN : -     EISSN : 26215276     DOI : 10.38043
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering
Papers published in this journal focus on or are related to the fields of Civil Engineering, Electrical Engineering, Informatics, and their sub-fields: Structure, Transportation, Geotechnical, Water Resources, Construction Management, Environmental, EngineeringPower/Energy System, Information Systems, Electronics, Control System, Computer system.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 16 Documents
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Search results for , issue "Vol 1 No 2 (2018)" : 16 Documents clear
PENENTUAN KOEFISIEN TEKANAN TANAH KESAMPING "AT REST" (Ko) DARI TANAH GAMBUT BERSERAT Wismantara, I Gusti Nyoman; Budiarnaya, Putu
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

One of the most important soil parameters to design bearing capacity of a deep foundaton is at rest lateral pressure coefficient (Ko). Ko is the coefficient of lateral earth pressure under condition of no lateral deformation. For sand and clay soils, the Ko value can be obtained using mathematics formula; it is a function of an effective internal friction angle (f') or plastic index (PI) of the soil. For peat soil, however the Ko value can not be determined using the mathematics formula developed for sand and clay soils mention above. It has to be measured directly from laboratory test using a Ko-test tube. Unfortunately, that apparatus is not available in the market.Due to that reason, the first step of the research carried out. herein is to build the Ko-test tube apparatus; afterward, it is used to determine the Ko value of peat taken from Pekantua, Riau.The Ko-test tube was built as suggested by Abdelhamid and Krizek; it was calibrated with water to determine the relationship between horizontal strain of the Ko-test tube wall and radial stress. By using the apparatus, the Ko of sand was determined ; the result obtained is then compared to the Ko obtained from Jaky's formula. Whenever that apparatus gave a satisfactory result of Ko, the testing was 50 KPa, 100 KPa, 200 KPa and 400 KPa for loading and unloading conditions.The results show that the calibration result of the Ko-test tube can be expressed as linear aquation, that is, sr = 2.98 x 106e average (sr in KPa). The Ko of sand determined using the Ko-test built is comparable to that obtained using jaky's formula, that is 0.46. Under unloading condition, the Ko value of peat is constant 0.32; under unloading condition the Ko is not constant but it is function of OCR in which the increase of OCR is companied with the increase of Ko; the Ko is various between 0.32-0.44.
PERBANDINGAN KEKUATAN TEKAN SEJAJAR SERAT TERHADAP KEKUATAN TEKAN TEGAK LURUS SERAT PADA KAYU MAHONI (SWIETENIA MAHAGONI) Masdar, Astuti
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

The information about the behavior of the material is indispensable as the decision onconstruction material to produce a design that is strength, economical and have a serviceability limitstate requirements. In the construction that using natural materials such as timber, loading positionto the fiber of wood greatly influence the behavior of the material. In granting the compressive force,the material receives a compressive force parallel to the fiber will have different behavior withmaterial that receives the compressive force perpendicular fiber of wood. In this research, testing ofcompressive strength have been done on Swietenia Mahagoni. The standard test used is the standardASTM D143-2002: Standard Test Methods for Small Clear Specimens of Timber: Annual Book ofASTM standard 4:10 Vol. The test results showed that the average compressive strength parallel andperpendicular fibers each fiber is 26.76 MPa and 12.37 MPa, so as it can be concluded that thecomparison of the compressive strength of parallel fibers and perpendicular fiber is 1: 0.46 orcompressive forces of perpendicular fibers on the mahogany approximately half of the compressivestrength parallel to the fiber. This can be taken into consideration in the design process on timberconstruction.
ANALISIS ASPEK TEKNIS, SOSIAL, LINGKUNGAN DAN EKONOMI DALAM PEMILIHAN LOKASI EMBUNG KECIL DI PULAU SABU, NUSA TENGGARA TIMUR (NTT) Wiradnyana, I Gede Oka
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

East Nusa Tenggara (NTT) province, especially in Sabu Island, is one of the mostfrequently drought areas, especially in the dry season, when the rainy season is relatively short eachyear (± 4 months per year). Thus, the government, both from the local government and centralgovernment keep on to program the implementation of small reservoirs development work in all islandsin NTT, including in Sabu Island. The government and the community hope that the development ofthe small reservoir is targeted, where the location is possible and indispensable, with efficient(economic) usage, technical qualifications, and no problem with land status.Data collection is done by observation and interview with some elements of prospective usersof small reservoir in nine locations. The data are classified into several aspects, namely technical, social,environmental, economic and land status aspects of each location. The data is given an assessment ofall aspects, then summarized all the results of the assessment.The results of data processing showed that the factors that influence the site selection of smallreservoir locations on Sabu Island are technical, social, environmental, economic and land status. 5 sitesof the most ideal small reservoirs location built on Sabu Island, so it is not redundant and can be utilizedwell by the community of water users of small reservoirs is Embung Kili with points (values) 84, HangaLui Hara (82), Hanga Kepaka (81), Lobala ( 81), Ketu Ke'bao (70).
SISTEM PENYEDIAAN AIR MINUM DI DESA REJASA KECAMATAN PENEBEL KABUPATEN TABANAN Nuraga, I Ketut; Ariana, I Komang Agus
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
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Rejasa Village at Tabanan regency is the village were classified into the critical watersource especially for real water (domestic & non-domestic), including 4 (four) sub-villages : RejasaKaja, Rejasa Kelod, Pacut & Kelembang.To handle the critical water, water sources from other villages can be used such as the Bejiwater source in Pitra village of Penebel district. The expected water source discharge around 7.50 lt/s,and it’s confirmed to be able to fulfill the drinking water requirement of Rejasa village citizens until therequirement projection in the year 2040 for around 5.0 lt/s.The water flow from Beji water source in Pitra to the connection system to the reservoir withthe gravity flow system. The water availability is separated into 4 sub-systems, which are the RejasaKaja reservoir with volume design of 200 m3, the Rejasa Kelod reservoir (V = 175 m3), the Pacutreservoir (V = 100 m3), and the Kelembang reservoir (V = 100 m3).
PROYEKSI KONSUMSI BAHAN BAKAR MINYAK (BBM) PADA PELAKSANAAN HARI RAYA NYEPI DI BALI TERHADAP EFISENSI PENGGUNAAN BBM DI INDONESIA DARI TAHUN 2015-2030 Asna, I Made; Sutama, I Wayan; Sugarayasa, I Wayan
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

Nyepi Day celebration is a local wisdom of Hindu community in Bali, where theyappliedCatur Brata Penyepiaan for 24 hours. Streets in Bali are free from vehicle emmision, street lights, centraloffices lights and house resident lights, local television broadcasting is turned off, airports and sea portswere also closed. Besides the spiritual meaning, Catur Brata Penyepiaan on Nyepiday is a wise actionin order to efficient use of fuel oil (BBM), mean while the government thinking of fuel subsidies,Balinese Hindu community has been able to save on fuel usage since long time ago.Liputan6.com data showed Indonesia's oil production reached 798 000 barrels per day in 2014,while the fuel consumption soared Indonesia reaches approximately 1.9 million barrels per day in 2014.There was a difference of approximately 1.1 million barrels per day. The supply shortages are derivedfrom imports.In this study calculated the projected fuel consumption in Bali and Indonesia in terms ofpopulation growth from 2015 to 2030 and the efficient use of fuel on Nyepi Day against national fuelconsumption in liters / day and per year from 2015 until 2030.From the calculation of contributions efficiency of fuel consumption per day during Nyepi Dayto fuel consumption nationally with an average contribution of 1.6129%, while the contribution ofefficiency in fuel consumption per year during Nyepi Day to national fuel consumption with an averagecontribution of 0 , 00 448%.
PENGEMBANGAN FILTER AKTIFSHUNT MENGGUNAKAN ADAPTIVE NEURO FUZZY INFERENCE SYSTEM SEBAGAI REDUKSI HARMONISA MOTOR INDUKSI 3 FASA Ikrom, Muhammad Alfianul; Iradiratu, DPK
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

Non-linear loads installed in the power system will cause harmonic distortion. Harmonicdistortion in voltage and current waveforms can result in abnormal conditions in the electrical system, avariety of electrical equipment used one of them is an electric motor type motor induction. Inductionmotor is chosen because it has several advantages such as this motor is simple, cheap and easymaintenance. On the other hand induction motor 3 phase also generate harmonics. One way to solve thisharmonic problem is to use a shunt active filter. In this research will use active shunt filter which iscontrolled using Adaptive Neural Fuzzy Inference System so it is expected to have harmonic value orTotal Harmonic Distortion (THD) in accordance with international standard ie IEEE 519-1992.

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