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Jurnal Ilmiah Poli Rekayasa
Published by Politeknik Negeri Padang
ISSN : 18583709     EISSN : 26853922     DOI : 10.30630/jipr
Core Subject : Education,
Education
Jurnal Ilmiah Poli Rekayasa adalah jurnal ilmiah yang diterbitkan 2 edisi dalam setahun, bulan April dan Oktober. Terbit sejak tahun 2005. Fokus Kajian jurnal ini adalah Fokus kajian artikel dalam JPR mencakup Mechanical Engineering, Civil Engineering, dan Electronica, Electricty dan Telecomunication EngineeringLingkup Jurnal Ilmiah Poli Rekayasa meliputi : 1) Energi terbarukan (rewnable energy), 2) Inovasi kendaran bermotor hemat BBM, 3) Material Maju, 4) Emisi dan pembakaran motor bakar, 5) Rekayasa termal dan fluida, 6) Rekayasa power plant, 7)Material komposit, 8) Biomaterial, 9)Teknologi pengujian tak merusak (Non Distruction Test/NDT), 10) Kontrol dan mekatronika, 11) Planing untuk pengurangan resiko bencana, 12) Sistem transportasi antar moda, 13) Rekayasa konstruksi, bangunan, jembatan dan Jalan, 14) Manajemen daerah aliran sungai, air tanah, sedimen dan waduk, 15) Remote Sensing Harap baca panduan ini dengan seksama. Penulis yang ingin mengirimkan artikel ke Jurnal Ilmiah Poli Rekayasa, harus mengikuti panduan penulisan. Jika artikel yang dikirim tidak sesuai dengan panduan penulisan atau ditulis dalam format yang berbeda, maka akan DITOLAK oleh editor sebelum ditinjau lebih lanjut. Para editor hanya menerima artikel yang memenuhi format yang ditetapkan. Artikel ditulis dalam bahasa indonesia. Jurnal Ilmiah Poli Rekayasa menggunakan prosedur penilaian Double Blind. Dimana antara penulis dengan mitra bestari tidak saling mengenal identitasnya masing-masing. Silahkan kirimkan artikel anda dan untuk unduh Template DI SINI Etika Publikasi dapat dilihat pada tautan berikut ini : ETIKA PUBLIKASI.
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Articles 8 Documents
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Search results for , issue "Vol 18, No 2 (2023): April" : 8 Documents clear
Perancangan Mesin Organic Bin Recycler dengan Bioaktivator untuk Menghasilkan Pupuk Kompos Zamri, Aidil
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.301

Abstract

The Organic Bin Recycler machine is designed on a small scale to be placed in the kitchen and functions as a special trash can for organic waste. The design of this machine aims to reduce the problems related to the disposal of organic food waste and kitchen waste, reduce environmental pollution, and to produce compost. Composting in this machine is done by adding a bioactivator. The design is carried out with the catia v5 software in accordance with the calculations that have been done. The machine has two main components, the organic waste crusher, and the waste stirring component. The crusher uses an electric motor with a power of 0.75 kW or 1 Hp with a rotation of 1400 rpm. The stirring component uses a motor with a power of 0.18 kW or 0.245 Hp and a rotation of 1400 rpm which is reduced to 30 rpm using a 1:20 reducer gearbox. The transmission system used is a belt and pulley transmission.
PENGARUH INTERAKSI TANAH-STRUKTUR PADA TANAH LUNAK TERHADAP DILATASI DARI DUA BANGUNAN TINGGI AKIBAT GEMPA Sari, Desnila; Murdiansyah, Lukman; Yurisman, Yurisman; Guspari, Oni
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.244

Abstract

Earthquakes that occur in buildings can lead to collision force with the next building if the initial gap between the two buildings is not sufficient for its free vibration responses. Collisions can cause amplification of the internal forces in the structural elements and the collision force on the contact zone is usually not considered in the initial design so that it can lead to damage and collapse of buildings. This study aime to determine the effect of Soil-Structure Interaction in the dilatation of two structures in soft soil with consideration of the collision to the next building. The structure is modeled as a structural system with multi degree of freedom (MDOF). The upper structure is considered linear elastic model and does not have damping as well as the lower structure (foundation). The collision can only occur on the floor level of the two buildings in which the contact zone is modeled as an elastic element. The rheological model for Soil-Structure Interaction are taken as a horizontal spring and a rotational spring. Structural dynamic equations was solved by using the Houbolt integration method. The resolution of numerical program was solved by the Matlab software. The results of study showed that soil-strucutre interaction increases the relative displacement under the condition of initial distance (gap) between the two buildings was reduced.
ANALISIS KEPUASAN DAN KEPENTINGAN FASILITAS DAN LAYANAN ANGKUTAN BERBASIS ONLINE DI KOTA PADANG Kurniati, Titi; Gunawan, Hendra; Nisya, Khairun
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.299

Abstract

As a student city, the city of Padang is a residence for students from various regions. Limited public transportation in the city of Padang, students prefer to use online-based transportation for their mobility. This study aims to identify personal characteristics and travel experiences, satisfaction levels, and consumer interests of online-based transportation as a mode of transportation in the city of Padang. Research respondents are students and college students who study in the city of Padang. The online-based transportation used is Go-Jek. Data was collected through online questionnaire interviews. Data processing was carried out by descriptive statistical methods that described the characteristics of respondents, and statistical analysis of cross-tabulation was also carried out to find the level of influence between personal characteristics and travel experiences with online transportation. Analysis of the level of satisfaction and interest of online-based transportation consumers based on the Importance Performance Analysis (IPA) method. The average value of the level of satisfaction and consumer interest in aspects of service, reliability, comfort, security, and tariffs are 2.75 and 2.94, respectively. There are two attributes of facilities and services that are considered necessary. However, the level of service is not satisfactory, namely the availability of comfortable security devices for passengers and the availability of the fastest route.
MANAJEMEN MATERIAL SUBSTRUCTURE DENGAN METODE MATERIAL REQUIREMENT PLANNING Atmaja, Jajang; Riswandi, Riswandi; Natalia, Monika; Maifrianti, Riry; Hidayati, Fitri
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.288

Abstract

Project management planning on sub structure area, very important to ensure efficient and effective construction projects. This research was purposes managing the sub structure material on precast pile and sloof using the material requirement planning (MRP) method in flat residence in West Sumatera. The scope research were the lot for lot (LFL) bar bending schedule and contingency plan (to minimize wasted material). The results of the analysis of study, the implementation of the MRP method (LFL technique) consists of cost of material planning on shop drawing, which was Rp.1,488,562,000,00; cost of material requirement planning by the lot for lot (LFL) technique was Rp.1,477,837,249,00; realization cost by combining the LFL technique and contingency plan is Rp.1,478,143,808,00. Calculation of the quantity and cost of reinforcing steel using the MRP method (LFL technique) by the bar bending schedule better than using the contingency method. Using bar bending schedule was more efficient, because it makes the remaining reinforcing steel after cutting was calculated properly.
PENGUJIAN BUCKET ELEVATOR GEN.01 TM Sukroni, Sukroni; Suwandi, Dedi; Ghozali, Muhamad; Gunawan, Leo Van
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.296

Abstract

Post-harvest agricultural products are all activities carried out from the process of handling agricultural products to the process that produces semi-finished products. Improper post-harvest handling will result in yield loss, both weight and product quality. Readiness of mature harvest and post-harvest technology will improve the quality of rice and the understanding of farmers and technology users in efforts to reduce crop losses. Bucket elevator is a tool for moving material that can be used to lift grain during the grain milling process, which can help work to move grain from the surface into the milling machine. In the Bucket Elevator test results, the effective rotational speed is 352.5 Rpm using a 1 hp 3 phase motor. The design of model 1 is the optimal bucket for lifting grain, resulting in a net weight of 243 gr/bucket contents with a maximum capacity of 280 gr/bucket. When attached to the Bucket carrier belt with 3 test results with different 1 hp motors get test results 1 = 22.5 kg/m , test 2 = 21.3 kg/m , and test 3 = 22.7 kg/m , with average result– average 22.1 kg/m. The noise test on the Bucket Elevator gets the results of noise intensity at 3 different points with an average value of point 1 (front) = 77.7 dBA, point 2 (side) = 72.0 dBA, and point 3 (top) = 77, 1dBA.
PEMOGRAMAN ARDUINO TERHADAP PENINGKATAN DAYA SEPEDA MOTOR HONDA BEAT FI Ghozali, Muhamad -; Mawardi, Iman -; Rohman, Abd
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to obtain comparative data between the standard Honda BeAT PGM-FI motorbikes and those added by Arduino with an interpolated model. Interpolation is a method for obtaining data based on some known data. The method used is experimental based on relevant references. From the test results, it was found that the standard condition data was 6.2 hp at 2500 and 2655 rpm. while with the addition of Arduino the power value is 6.3 hp at 2500, 2664 and 2750 rpm. So that there is an increase in power of 0.1 hp or 1.58% between standard conditions and those using Arduino interpolation patterns.
Evaluasi Kelayakan Finansial Penerapan Terminal Parkir Elektronik Pada On Street Parking Di Kota Tabanan (Studi Kasus: Jalan M.H Thamrin Kediri - Tabanan) Surya Tapa, I Gede Fery; Indra Kumara, I Nyoman; Indrashwara, Decky Cipta
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.293

Abstract

Bangkitan perjalanan menimbulkan salah satu masalah transportasi yaitu parkir, hal ini disebabkan pengendara akan memerlukan tempat untuk parkir jika ingin ke tempat yang dituju. Peningkatan jumlah kendaraan bermotor di Kecamatan Kediri - Tabanan berpengaruh terhadap kebutuhan ruang parkir seperti di Jalan M.H Thamrin Kediri-Tabanan. Penerapan Terminal Parkir Elektronik (TPE), maka dilakukan bentuk upaya pembenahan manajemen pengelolaan parkir On Street, untuk mengurangi kebocoran pendapatan, transparansi pendapatan, serta mengoptimalkan Pendapatan Asli Daerah (PAD). Tujuan penelitian ini adalah untuk melakukan evaluasi kelayakan finansial dari penerapan Terminal Parkir Elektronik. Data yang dipergunakan dalam penelitian ini meliputi data primer yang diperoleh melalui metode, seperti: survei inventarisasi parkir, survei patroli parkir, dan data sekunder yang dapat diperoleh dari instansi pemerintah daerah. Analisis kelayakan finansial menggunakan tiga skenario, yaitu skenario 1 dengan tarif tetap, LV= Rp.2000/jam MC=Rp.1000/jam, skenario 2 dengan tarif parkir tetap, LV= 3000/jam MC=2000/jam, skenario 3 dengan tarif parkir progresif, 1 jam pertama LV= 3000 MC=2000, 1 jam selanjutnya LV= 2000/jam MC= 1000/jam. Untuk mengetahui kelayakan finansial digunakan syarat penilaian investasi yaitu dengan menganalisis NPV, BCR, IRR dan Discounted Pay Back Periode (PBP). Hasil analisis karakteristik parkir untuk sepeda motor didapat jumlah 108 stall kendaraan dan indeks parkir 0,527 serta untuk kendaraan ringan didapat jumlah 67 stall kendaraan dan indeks parkir 1,138. Hasil analisis kelayakan finansial dengan suku bunga acuan Bank Indonesia, yaitu 5,75% /tahun diperoleh untuk skenario 1 didapat NPV Rp 1.375.105.319,-, BCR 1,5, IRR 44% , skenario 2 didapat NPV Rp 4.637.723.362,-, BCR 2,55, IRR 112%, dan skenario 3 didapat NPV Rp 6.714.171.169,- , BCR 3,2, dan IRR 154%, hasil analisis sensitivitas dan Payback Period didapat skenario 3 lebih baik dibandingkan dengan skenario 1 dan 2 . Jadi evaluasi dengan ketiga skenario tarif parkir menunjukan skenario 3 Penerapan Terminal Parkir Elektronik layak direalisasikan.
EVALUASI KEGAGALAN STRUKTUR DINDING PENAHAN GRAVITASI PADA LERENG TANAH KOHESIF Yuliet, Rina; Hakam, Abdul; Putra, Hendri Gusti; Alfian, Rifqi Luthfi
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.292

Abstract

Stabilitas dinding penahan tanah (DPT) gravitasi sangat dipengaruhi oleh berat sendirinya. Jika masa tanah yang berada di belakang DPT adalah tanah kohesif, maka air yang berada di dalam retak tarik akan menyebabkan bertambahnya tekanan tanah lateral aktif. Dalam perancangan DPT gravitasi yang menahan tanah kohesif dengan kemiringan lereng yang curam, sering ditemukan nilai koefisien tekanan tanah yang tidak dapat didefinisikan akibatnya nilai tekanan tanah aktif tidak dapat dihitung. Untuk menganalisis stabilitas DPT digunakan persamaan Mazindrani dan Ganjali (1997) untuk perhitungan tekanan tanah aktif sesudah retak tarik. Dari hasil evaluasi stabilitas DPT diketahui bahwa dimensi dinding DPT eksisting memiliki nilai Faktor Keamanan (FK) lebih besar dari yang disyaratkan, dimana nilai FKguling = 2.5, FKgeser = 3, dan FKdaya dukung = 3. Penyebab kegagalan struktur DPT disebabkan kaena belum dilakukan kelanjutan pembangunan DPT pada bagian lereng yang curam yang berada dekat dengan DPT eksisting. Ketika hujan yang datang berkepanjangan menyebabkan terjadinya kelongsoran lereng dan menimbulkan kegagalan struktur DPT eksisting yang berada dekat dengan lereng yang longsor tersebut. Solusi yang tepat untuk mencegah terjadinya kegagalan struktur DPT eksisting adalah dengan melanjutkan pembangunan DPT pada bagian lereng yang longsor, memperbaikai drainase dan melakukan memotong lereng menjadi horizontal.

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