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Jurnal Ilmiah Poli Rekayasa

JPR
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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 171 Documents

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Modifikasi Sistem Transmisi pada Mesin Pencacah Sampah/Limbah Plastik dengan Sistem Crusher dan Silinder Pemotong Tipe Reel Junaidi - -; Ichlas Nur -; Zulfikar - -; Nasirwan - -
Jurnal Ilmiah Poli Rekayasa Vol 11, No 2 (2016)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

An increasing number of plastic waste, but can be recycled into other products in the form of granules before further processing into a grain pellets and injection molding processes to produce products such as buckets, plates, bottles and others. To be processed into the required form of granules of plastic thrasher. Even so small plastic recycling industry is still constrained within a plastic enumeration process because the machine used his ability was not maximal.The purpose of this study is a modification of the transmission system thrasher plastic crusher system and cylinder-type cutter reel and technical evaluation. This study was conducted over two years, the first year the design and manufacture of machinery, the second year is the technical evaluation of the engine, improved engine performance. From the results of the study year I found some weaknesses machines namely, 1) the machine is often hampered by the transmission belt on the motor shaft with shaft reducer as drive unit crusher often slip when a large load, 2) transmission gears hipoid of the motor shaft with shaft type unit reel get a great friction and cause the sound very noisy. To improve the performance of the engine of the transmission system needs to be fixed.From the results of the design redesign the engine in the second year, namely, the installation of a connector axle of the motor shaft with shaft-type knife reel player. Axle used is commonly used in car axle Carry. Likewise, the transmission system between the motor shaft to the reducer as a successor to the rotation axis of the blade type crusher players use the chain sprocket to avoid slip on a rotating shaft. The results of performance testing crusher machine on lap 75 RPM and cylinder-type reel cutters 1450 RPM, engine capacity ± 130 kg / h on the cylinder type crusher and the reel-type cylinder engine capacity of ± 165 kg / h at an aperture sieve Ø 1,5 cm, with uniformity of grain 85%.

Analisis Pengaruh Nilai Peak Ground Acceleration (PGA) Terhadap Story Shear Bangunan Bertingkat Ahmad Hamidi -
Jurnal Ilmiah Poli Rekayasa Vol 13, No 2 (2018)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

This study aims to analyze and examine the effect of peak land acceleration value (PGA) on shear story using dynamic method of response spectrum. The PGA value and the spectrum response used are the spectrum responses issued by the PU ministry. The review is soft land in the citys in Riau. The results showed that the higher the story shear value, the higher the PGA value in each region. The areas with the highest inner and PGA grades are Pasir Pangarian (Rohul) and the lowest is Kota Selat Panjang (Meranti District). This is because the area of Rohul Regency is an area close to West Sumatera Province that has a high enough earthquake intensity when compared with Meranti Regency which is a coastal area located on the lower plains.

Analisis Kegagalan Boom Crane dan Pencegahannya Elvis Adril -; Nasirwan - -; Tri Wibowo -; Julnaidi - -
Jurnal Ilmiah Poli Rekayasa Vol 10, No 1 (2014)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Sleeve (Boom) on Crawler Crane is the main equipment that serves the weight at the time of appointment (Hoisting).The problem which is founded is a fracture at the boom while lift 6 Tons of weight while the optimum design of equipment is 50 tons. The aim of this research is to found the root cause of the fracture by using photo documentation fractografi (microfractografi and macrofractografi), and hardness tests, and test the chemical composition at the surface faults boom crane. We used Finite element method (FEM) to form simulated load. The results is that the porblem accured because of error while read the load chart and error in SOP

Evaluasi Simpang Bersinyal (Ber – Apill) Tanjung Barat – Pasar Minggu Berdasarkan MKJI dan Kondisi Lapangan Hikma Dewita -
Jurnal Ilmiah Poli Rekayasa Vol 11, No 1 (2015)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Signalized Intersection (air-APILL) Tanjung Barat – Pasar Minggu (South Jakarta) is an intersection that had existed before the overpass (fly over) TB. Simatupang was built. Currently the number of vehicles entering the intersection is moving slowly due to the density of traffic flow and as a result of delay (delay). In addition, the presence of lines KRL Jakarta - Depok - Bogar traffic with a frequency high pass makes congestion worse. The purpose of this the research was to evaluate performance of signalized intersection (air-APILL) Tanjung Barat – Pasar Minggu (South Jakarta) adjust arrangements the existing traffic ligtht with arrangement traffic ligtht from the result of the planning (MKJI).Primary data is obtained by performing a direct survey in the field. Data was processed and analyzed with reference MKJI up performance earned junction. Parameters which will be considered are cycle time, degree of saturation, the number of vehicles queued, long queues, delays and service level junction. It is advisable to avoid the traffic congestion of both traffic flow, the existing cycle time adjusted to the results of the planning cycle time.

Pengaruh Sudut dan Jari-Jari Saluran Menikung terhadap Konsentrasi Aliran Sedimen Suspensi arah Transversal Chairul Muharis -
Jurnal Ilmiah Poli Rekayasa Vol 12, No 2 (2017)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

The change in channel dimension has a great effect on the flow hydraulic parameters. Likewise, the angle and radius of the bend are not the same will also affect the concentration of suspended sediment flow. To determine the effect of angle and radius of the bend, the measurement of susupended sediment concentration was done at 4 (four) location in Mataram irrigation channel curve. The four locations describe 2 channels having relatively the same angle but having different radius, and 2 (two) channels having the same relative radius but having different angles. Measurement of suspended sediment concentration in tranversal direction is done some depth point used by opcon probe. The results of the research for different angle of bend shows that from the interance to the end of the channel bend so the trend of suspended sediment concentration value are decreases. After the end of the channel bend started there is no more the angle influenced, the trend value of suspended sediment concentration are constant. As for the different radius, the value of suspended sediment concentration is still relatively the same and there is no change significantly. This shows that the relation or influence between the length of the radius of the bend with the value of the suspended sediment concentration is not visible

Kajian Terhadap Unjuk Kerja Bangunan Pengaman Pantai Dengan Penerapan Simulasi Numerik One Line Model Dalrino - -; Elvi Roza Syofyan
Jurnal Ilmiah Poli Rekayasa Vol 10, No 2 (2015)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

With the position on the west coast region of Sumatra, Padang beach facing directly to Indian Ocean that have potentially threat by the ocean waves that relatively give effect to changes in the coastline. This study was conducted to evaluating the performance of existing coastal protection structure to restrain the rate of erosion as a result of the influence of hydrodynamics process. Condition that reviewed was in form of distance shoreline as simulation results to initial reference line before. One Line Model was conducted to get shoreline change in each time step calculation. Model consists of two conditions, with the absence of coastal structures and with structure respectively. The simulation result show that potential erosion occurs at Batang Arau river mouth with no protection structure. Large erosion predicted around 59.04 meters from the shoreline position early. With coastal protection, model result obtained sedimentation of 7.33 meters coastline from its initial position. This occurs at a distance of 475 meters from the boundary domain. Modeling results also showed erosion is 18.39 meters at a distance of 250 m from the boundary domain. This is likely due to the limited modeling conditions that without reviewing of littoral transport direction that occurred in perpendicular to the coast. Result study show that the presence of a groyne in Padang coasts looks already quite effective in defense of the shoreline of the littoral transport direction, however the installation of groins seemingly did not give significant meaning in the addition of the coastline

Pembuatan Antena Reflektor Parabola Lingkaran untuk Penerima Sinyal Televisi pada Jalur UHF Nasrul - -
Jurnal Ilmiah Poli Rekayasa Vol 13, No 2 (2018)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

An antenna is a device that can receive electromagnetic waves at the receiver, and radiate electromagnetic waves on the transmitter. With the antenna we can receive information transmitted by the transmitting station through the receiver. In other words antenna helps in doing long distance connection with transmitter. In general, the antenna used to receive television signals uses many elements such as driven, reflectors, and directors. But in this study the antenna was made by using a parabolic reflector with a half-lambda driven dipole without using a director.Antenna is made there are several parameters measured as a proof of the success of the antenna. The parameters are: antenna gain, antenna impendance, VSWR (Voltage Standing Wave Ratio). The success of the antenna is also determined by the antenna's ability to receive a television signal which can also be seen by performing a direct test of the antenna.

Pemanfaatan Bekas Adukan Mortar pada Pratikum Batu (Masonry) untuk Paving Block Saryeni Maliar -; Bakhri - -
Jurnal Ilmiah Poli Rekayasa Vol 13, No 1 (2017)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Stone Construction Laboratory is one of the existing courses in the Department of Civil Engineering Polytechnic State of Padang. Students are required to practice firsthand the theories about stone construction that have been studied. Stone work or often called masonry is wall or brick installation work for floor, wall, or fence. In practicum stone, the material used is artificial stone like brick and can also natural stone by using an adhesive substance usually known by the name of spesi or mortar.Mortar or spesi is one of the building materials that serves to glue the pairs of bricks, brick, stucco and so on. Mortars consist of sand, cement and water. In a stone work practicum where the work is not permanent (unloading pairs) then the cement material is replaced by lime which is a temporary binder. So far, the rest of the mortar use for the stone practicum is just thrown away because it cannot be used anymore, therefore it takes alternative utilization of the former mortar, for that the author tries to research by using it to make paving blocks. Paving blocks or concrete bricks for floors are a component of building material made from a mixture of hydraulic cement or the like, aggregates and water with or without other additives which do not reduce the quality of the paving blockThe study used comparison between paving block with mixed composition of mortar, cement and water mixture and paving block with standard mixture composition ie cement, sand and water. Paving is made by pressing using hydraulic press machine with a compressive strength of 25 kg and compressive strength testing with Universal Testing Machine.Based on the results of the research, it was found that the paving block from the utilization of mortar has a compressive strength higher than the standard paving block. At the age of 14 days, the compressive strength of the paving block from the utilization of mortar used has a compressive strength of 76.14 kg

Perancangan dan Implementasi Aplikasi Verifikasi SNMPTN di Universitas Andalas Berbasis Android dan PHP MYSQL Deddy Prayama -; Yuli Resmawati -
Jurnal Ilmiah Poli Rekayasa Vol 12, No 1 (2016)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Verification of entri exam as SNMPTN is an activity to confirm the data in schools which have been registered before at the University of Andalas. At the time of verification, the verification team still carries the paper to verify the data. Where as in times those are now many applications can facilitate the users. So to create verification application to facilitate the verification team to input data - verification of data and can be sent directly from the results of the verification data into the application server. This application only accessible for the verifier team, because this application an account to access it. Andalas University entri exam verification applications will be built using the Android programming language, PHP and MySql.

Dinamometer Untuk Alat Uji penarikan Kawat (Perancangan, Pembuatan dan Pengujian) Sir Anderson -
Jurnal Ilmiah Poli Rekayasa Vol 14, No 1 (2018)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

The basic principle of metal formation is to change shape by giving an external force so that plastic deformation occurs. One example of this formation is wire drawing. The important parameter in wire drawing is the drawing force, which is the force needed to deform the wire to produce the desired reduction. The measurement of withdrawal force is carried out through a wire drawing test equipped with a dynamometer, which consists of load cell and strain gauge. From this test, the withdrawal force can be measured as an electrical quantity that can be read using a multitester or computer. For wire drawing testing dynamometers are designed and made as measuring sensors for withdrawal forces on a laboratory scale. From the results of testing with a dynamometer the average wire drawing force for copper reduction I was 72.88 kgf, copper reduction II was 95.88 kgf and brass was 126.50 kgf. The price of this test is greater than the theoretical price

Page 6 of 18 | Total Record : 171

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Contact Name
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Kota padang,

Sumatera barat

INDONESIA