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INDONESIA
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 174 Documents
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Evaluation Mangrove Density on the North Coast as a Means of Mitigation Danger Tidal Flood: Case Study of Demak Regency Fikriyah, Inayatul; Dewa, Jhon Jhohan Putra Kumara
Jurnal Ilmiah Telsinas Vol 8 No 1 (2025)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v8i1.6132

Abstract

This study focuses on assessing the density of mangrove forests on the north coast of Demak Regency as an independent mitigation effort against tidal flooding. The impact of tidal flooding can be observed directly, such as damaged ponds and agricultural land, inundated road infrastructure, submerged houses, and disruption of livelihoods. This study is crucial because it provides data and spatial analysis to understand the current level of mangrove density, identify vulnerable areas and inform appropriate mitigation actions before the impact of tidal flooding. The study's novelty is that it focuses on specific density and vulnerability levels and uses significant short-term cover change analysis. Using spatial analysis methods through Geographic Information Systems (GIS) and satellite imagery from 2018-2023, several areas along the coast have mangrove densities varying from 1200-3400 trees per hectare. There was a 27.3% reduction in mangrove cover mainly due to changes in land use to ponds. Overlay analysis combining mangrove density with flood hazard maps and geographic information also maps how different mangrove areas are strongly related to tidal flooding. Areas with mangrove density <2000 trees per hectare are much more vulnerable to tidal flooding, which is worse at lower and better at higher ranges. The findings suggest that coastal engineering using soft hybrids, which integrate breakwater structures and mangrove rehabilitation, will be more effective in achieving long-term coastal resilience than using hard engineering techniques alone, support the integration of mangrove density thresholds into coastal infrastructure planning to enhance resilience against tidal flooding. As an effective policy for coastal management, a minimum standard of 3,000 mangrove trees per hectare is needed, and Demak Spatial Planning is needed to focus more on mangrove conservation within the Demak policy framework.
Comparison Of Installation Wages for Granite Tiles in Large and Small Spaces Using the Method Productivity Delay Model Putra, I Ketut Mahardika; Yuni, Ni Kadek Sri Ebtha; Suardika, Luh Putu Prativi Putri; Putra, I Putu Dwikarna
Jurnal Ilmiah Telsinas Vol 8 No 1 (2025)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v8i1.6156

Abstract

Kinerja tenaga kerja merupakan faktor utama dalam penyelesaian proyek konstruksi. Pekerjaan pemasangan granite tile di area sempit lebih menghadirkan tantangan tersendiri akibat banyaknya potongan yang tidak dapat dimanfaatkan secara optimal, sehingga meningkatkan biaya melebihi RAB proyek. Penelitian ini menganalisis kinerja tenaga kerja dalam pemasangan granite tile pada area sempit dan luas, yang berdampak pada efisiensi biaya proyek konstruksi. Pekerjaan di area sempit lebih kompleks karena banyaknya potongan yang tidak dapat dimanfaatkan secara optimal, sehingga realisasi biaya sering melebihi RAB. Studi ini bertujuan menentukan koefisien tukang pasang serta membandingkan harga satuan upah pada kedua kondisi tersebut. Observasi lapangan dilakukan dengan metode MPDM untuk mengukur produktivitas pekerja, termasuk waktu penundaan dalam siklus kerja. Penelitian ini bersifat kuantitatif dengan studi pada proyek hotel yang memasang granite tile berukuran 40 × 40 cm. Hasilnya menunjukkan bahwa koefisien tenaga kerja untuk pemasangan di area luas adalah 0,124, sedangkan di area sempit 0,136. Biaya upah pemasangan di area luas tercatat Rp 44.400 per m², sementara di area sempit Rp 45.864 per m². Penelitian ini memberikan kontribusi praktis dalam perencanaan anggaran upah dan teknis dalam penyusunan analisis harga satuan pekerjaan untuk meningkatkan efisiensi proyek konstruksi.
Evaluating Contractor Performance through Cost-Time Management Strategies in Educational Building Project Maw, Me Me; Putra Atmaja, Sang Kompiang Rizki; Murtika, I Wayan
Jurnal Ilmiah Telsinas Vol 8 No 1 (2025)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v8i1.6229

Abstract

Project performance is a critical indicator in assessing the effectiveness and efficiency of construction projects, particularly in terms of cost and time management. This study aims to analyze the key factors influencing contractor performance in the classroom rehabilitation project in Bali, focusing on cost and time aspects. Data were collected through questionnaires distributed to 30 respondents, including contractors and consultants directly involved in the project. The findings indicate that thorough cost planning, strict budget control, and effective cost risk management significantly contribute to project success. Likewise, realistic scheduling, regular progress monitoring, and inter-team coordination are essential in ensuring timely project delivery. The use of technology and active stakeholder engagement further enhance operational efficiency. These results contribute to strengthening project management strategies, particularly for small-scale educational rehabilitation projects in Indonesia.
Generative AI in Enhancing Hydroponic Nutrient Solution Monitoring Hakimi, Musawer; Suranata, I Wayan Aditya; Ezam, Zakirullah; Samadzai, Abdul Wahid; Enayat, Wahidullah; Quraishi, Tamanna; Fazil, Abdul Wajid
Jurnal Ilmiah Telsinas Vol 8 No 1 (2025)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v8i1.6242

Abstract

Generative AI for IoT Hydroponics Monitoring System for Smallholder Farmers in Developing Regions This is in an effort to support AI-based narrative feedback for real-time decision-making with reference to sensor data (TDS/EC, temperature) and plant context-the pertinent data are species and age. The system, therefore, consists of an ESP32 sensor device; a Flutter mobile application; and the cloud services being offered via Thingsboard and the Gemini API. A systematic approach was undertaken, including design, implementation, integration, and usability testing. The results show effective real-time data collection and secure communication, with accurate AI feedback validated by expert judgment. The results exhibited how AI and IoT could collude in aiding smart agriculture. Future work will concentrate on enhancing the accuracy of the model based on ground truth data and improving the accessibility of the platform.
RANCANG BANGUN PORTABEL ONLINE DATALOGGER UNTUK MENGUKUR POTENSI DEBIT ALIRAN SUNGAI BERBASIS INTERNET OF THINGS Krisnawijaya, Ngakan Kutha; Adrama, I Nyoman Gede
Jurnal Ilmiah Telsinas Vol 2 No 2 (2019)
Publisher : Universitas Pendidikan Nasional

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Abstract

Dalam penelitian ini, portabel online datalogger dirancang dengan memanfaatkan teknologi Internet of Things. Sensor flowmeter dan sensor level sebagai pengukur debit air dikontrol oleh mikrokontroler ESP8266 untuk pembacaan dan pengolahan data. Data ini kemudian dikirimkan melalui koneksi WIFI ke router dan modem yang selanjutnya ditransmisi melalui jaringan seluler ke online server Blynk. Data di server dapat diakses oleh pengguna baik lewat web ataupun aplikasi smartphone. Sehingga, portabel online datalogger ini dapat digunakan untuk membuat database potensi aliran sungai untuk kepentingan desain pembangkit listrik mikrohidro.
ANALISIS PENGARUH ANALISIS KONSTRUKSI BERTAHAP (CONSTRUCTION SEQUENCE ANALYSIS) TERHADAP EKSENTRISITAS KOLOM BETON BERTULANG Ardyansah, Rofika Ratna; Suryanita, Reni; Djauhari, Zulfikar
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

In reality, a building structure was built floor by floor or gradually, this is going to affectforces in preliminary design (using Direct Loading Method). The most extreme effect in the form ofeccentricities in the column structure, there this research is giving depiction on how far eccentricitiesdeviation dan what factor affects column structure eccentricities as the consequence of gradualbuilding.This research utilizes Sequential Loading Method, that is weight loading method by trying toimitate loading while construction execution occured with loading weight on gradual and sequentialstructre model.Eccentricities on column structure will extremely decrease if axial weight was added(column with one floor above). This research show eccentricites decrease until 26.39% or decrease asmuch as 73.61% from Full Model analysis. Bekisting dismantling before structure column and floorweight above done correctly is the main factor for a extensive eccentricites on column structure tohappen. So, bekisting dismantling should be planned very well by calculating its structure behavior.
PENGUNAAN VNC ( KONTROL JARINGAN VIRTUAL) PADA FIDS (SISTEM INFORMASI PENERBANGAN) DI BANDAR UDARA I GUSTI NGURAH RAI - BALI Pancane, I Wayan Dikse; Suriana, I Wayan
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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Abstract

FIDS (sistem infomasi penerbangan) adalah suatu sistem yang digunakan untuk memberikan informasi tentang data penerbangan yang digunakan oleh penumpang yang digunakan sebagai pentunjuk untuk menentukan kearah mana dan tujuan mana penumpang tersebut akan berangkat begitu pula sebaliknya digunakan untuk penumpang yang datang. Apabila informasi tersebut terlambat diperoleh oleh penumpang akan berahkibat keterlambatan penerbangan khususnya untuk penumpang yang akan berangkat, sedangkan untuk penumpang yang datang apabila telat mendapatkan informasi penerbangan tersebut akan mengahkibatkan kebingungan dalam mengambil bagasi yang dimasukan dalam bagasi pesawat udara. Dengan seringnya terjadi keluhan penumpang mengenai keterlambatan informasi tersebut perlu suatu upaya yang digunakan oleh teknisi elektronika bandara yang dalam hal ini masih menjadi tugas pokok fungsi dari unit ini untuk mengatasi permasalah tersebut. Untuk mengatasi permasalahan tersebut digunakanlah salah satu aplikasi gratis yang bisa di unduh secara gratis yang bernama VNC (kontrol Jaringan Virtual) untuk mempersingkat waktu para teknisi Elektronika Bandara dalam waktu mengatasi permasalah yang terjadi dilapangan, mengingat jarak masing-masing komputer client FIDS berjarak lumayan jauh dengan posisi komputer server berada di gedung terminal internasional sedangkan komputer client tersebar dari gedung terminal internasional, domestik, hanggar pesawat dan termainal pesawat pribadi. Dengan mengunakan aplikasi gratis ini kita hanya perlu memasukan Internet Protokol pada masing-masing client Fids, dengan VNC tersebut kita bisa masuk kedalam sistem client yang mengalami gagal update data terbaru dengan catatan jaringan infrastruktur dari komputer server ke komputer client tersebut tidak putus dimana jaringan disini mengunakan kabel UTP ( Unshieldded Twisted Pair ) dan komputer client tidak mengalami gagal booting pada sistem komputernya sendiri, dengan mengunakan aplikasi VNC ini apabila kita masuk dengan menjalankan perintah pada komputer client yang berada pada area umum penumpang tidak kelihatan, jadi tidak menganggu pandangan mata para penumpang pada saat mengarah ke monitor FIDS tersebut.
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).

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