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Dadang Sanjaya Atmaja
Politeknik Perkeretaapian Indonesia Madiun
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Perancangan Superstructure Jembatan Kereta Api Bentang 100 Meter Tipe Rangka Baja Erlangga, Aditya Wahyu; Atmaja, Dadang Sanjaya; Dewi, Puspita
Indonesian Railway Journal Vol 1 No 1 (2017): Jurnal Perkeretaapian Indonesia Volume 1 Nomor 1 Tahun 2017
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1894.881 KB)

Abstract

This study discusses long bridge superstructure planning. The reference used for the  design  of  the bridge is the Regulation of the Minister of Transportation No. 60  of  2012  on  Technical  Requirements of Railways, AREMA and the rules of the European Union. The loading of the superstructure of the railway bridge includes dead load, live load, shock  load, horizontal load,  and  wind load. This bridge profile needs analysis using the influence line  method  with  SAP  2000 application. The result of superstructure analysis of 100 meter railway bridge  type  of  lower  truss frame shows that the size for structure profile,  stringer,  and  cross girder  must  be specially  designed  by utilizing SM400 type steel plate with welding. From the analysis result,  the  working  force  of stringer is 1618,74 kN with a deflection of 11,58 mm; Force on a transverse girder of 2348.16 kN; Upperchord of 6340.45 kN; Lower Frame (Lowerchord) of 7441.33 kN; And members in  the amount of 5599.48 kN. Of the styles are  designed  profiles  as follows: 1 UFLG 105 x 2.5;  2WEB  80 x 2.5; 1 UFLG 80 x 2.5 for lowerchord, 1 UFLG 105 x 3.6; 2WEB 80 x 2.5; 1 UFLG 80 x 3.6 for  upperchord  and  WF 72X x 80 x 2 x 2 For diagonal member.
Perancangan Dan Pembuatan Alat Pengukur Skilu Dinamis Pada Jalan Rel Kereta Api Atmaja, Dadang Sanjaya; Shakti, Panka Mahendra; Pratama, Martin Willy Eka
Indonesian Railway Journal Vol 1 No 2 (2017): Jurnal Perkeretaapian Indonesia Volume 1 Nomor 2 Tahun 2017
Publisher : Politeknik Perkeretaapian Indonesia Madiun

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Abstract

Pemeriksaaan perbedaan elevasi akibat lendutan pada jalan rel (skilu) diperlukan untuk menjamin keselamatan perjalanan kereta api. Pengukuran skilu dapat dilakukan dengan kereta ukur dan alat densometer manual. Untuk pengukuran secara manual, diperlukan alat yang bisa mengukur skilu dinamis secara lebih akurat dan efisien. Penelitian ini dimaksudkan untuk membuat alat tersebut dengan menggunakan sensor pengukur jarak ultrasonic dengan proses data oleh mikrokontroler. Akurasi pengukuran dari hasil percobaan alat ini diperoleh dengan membandingkan terhadap alat pengukur lendutan densometer. Hasil menunjukkan alat dapat mengukur skilu setiap 0,1 detik (realtime) dengan tingkat akurasi 98,84%. Selain pengukuran skilu, alat ini juga dapat mengukur kecepatan kereta yang lewat dan temperatur rel saat dilewati kereta. Hasil pengukuran dapat membantu optimalisasi perawatan yang diperlukan untuk skilu yang terjadi pada lokasi pengamatan.
Perbandingan Pengukuran Radius Lengkung Dengan Menggunakan Benang, Total Station Dan Messreg CLS Adi, Wahyu Tamtomo; Atmaja, Dadang Sanjaya
Indonesian Railway Journal Vol 3 No 1 (2019): Jurnal Perkeretaapian Indonesia Volume 3 Nomer 1 Tahun 2019
Publisher : Politeknik Perkeretaapian Indonesia Madiun

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Abstract

Pemeriksaan terhadap lengkung jalan rel yang telah dioperasikan dapat dilakukan dengan berbagai alat ukur yang tersedia, namun demikian belum pernah dilakukan perbandingan terhadap output beberapa alat ukur yang digunakan untuk memeriksa lengkung jalan rel. Penelitian ini bermaksud untuk memeriksa lengkung jalan rel dengan membandikan hasil pengukuran anak panah secara manual dan penggunaan alat ukur digital total station dan Messreg CLS. Penelitian ini juga berusaha memberikan rekomendasi terhadap rencana pemeliharaan lengkung agar kondisi lengkung dapat dioptimalkan untuk dilewati kereta. Hasil pengukuran menunjukkan bahwa pengukuran lengkung secara manual (benang anak panah) dengan alat ukur digital (total station dan messreg CLS) memberikan hasil yang bervariasi satu sama lain, meskipun tidak berbeda secara signifikan. Hasil pengukuran dengan Total Station dan Messreg CLS menunjukkan nilai rata-rata yang lebih besar dibandingkan hasil pengukuran dengan menggunakan benang Anak Panah. Hasil pemeriksaan juga menunjukkan bahwa agar kondisi lengkung jalan rel dapat menjadi lebih ideal untuk dilewati kereta api, perlu dilaksanakan penggeseran baik ke dalam maupun keluar agar nilai Anak Panah pada tiap-tiap titik yang diukur mendekati nilai ideal yaitu 630 mm.
PROTOTIPE LORI INSPEKSI JALAN REL AKADEMI PERKERETAAPIAN INDONESIA API-02 atmaja, dadang sanjaya; Kurniawan, Moch Aziz
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 4 No 1 (2020): Jurnal Perkeretaapian Indonesia Volume 4 Nomer 1 Tahun 2020
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v4i1.102

Abstract

Lori inspeksi jalan rel merupakan re-desain dari lori kereta api yang sudah pernah dibuat di lingkungan Politeknik Perkeretaapian Indonesia. Perbaikan lori inspeksi dilakukan pada roda, chassis, penggerak, dan bodi. Roda lori terbuat dari besi structural untuk mengurangi berat total dari 148 kg menjadi 119 kg. Ukuran  conus roda dengan ukuran selisih diameter luar dan dalam 30 mm untuk meminimalkan gesekan roda dengan rel pada daerah lengkungan. Chassis menggunakan model ledder frame dengan kekuatan 44,29 Mpa dan defleksi 0,095 Mpa untuk mendapatkan hasil yang optimal dan handal pada track 1067. Material chassis menggunakan besi hollow jenis galvanis dengan berat hanya  125 kg. Penggerak sebelumnya motor bakar menjadi motor listrik BLDC (brushless direct current) dengan kapasitas daya 2680 watt, arus 35A dan kecepatan putar 4250 Rpm yang ramah lingkungan. Bodi lori terbuat dari fibre reinforced polymers of plastics (FRP) 3 lapisan menggunakan metode hand lay-up yang memiliki nilai tegangan tarik sebesar 40,18 MPa dan nilai regangan sebesar 0.89 %. Bodi lori inspeksi  menitik beratkan aspek estetika dan ergonomi berupa penampilan yang lebih menarik, nyaman dikendarai, dan aman sehingga memiliki nilai jual yang tinggi.
Perancangan Dan Pembuatan Alat Pengukur Skilu Dinamis Pada Jalan Rel Kereta Api Atmaja, Dadang Sanjaya; Shakti, Panka Mahendra; Pratama, Martin Willy Eka
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 1 No 2 (2017): Jurnal Perkeretaapian Indonesia Volume 1 Nomor 2 Tahun 2017
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v1i2.34

Abstract

Checking elevation differences due to deflection on the railroad (skilu) is needed to ensure the safety of train travel. Skilu measurements can be done with a measuring train and a manual densometer. For manual measurement, we need tools that can measure dynamic elections more accurately and efficiently. This research is intended to make these tools using ultrasonic proximity sensors with data processing by a microcontroller. The measurement accuracy of the experimental results of this tool is obtained by comparing the densometer deflection gauge. The results show that the tool can measure elections every 0.1 second (realtime) with an accuracy rate of 98.84%. In addition to the election measurements, this tool can also measure the speed of a passing train and the rail temperature when a train passes. The measurement results can help optimize the care needed for the election that occurs at the observation site.
Analisis Pemeriksaan Dan Perawatan Dinding Terowongan MRT Jakarta Astuti, Septiana Widi; Atmaja, Dadang Sanjaya; Waskito, Ario
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 2 No 1 (2018): Jurnal Perkeretaapian Indonesia Volume 2 Nomor 1 Tahun 2018
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v2i1.44

Abstract

Tunnel construction in the Jakarta MRT (MRTJ) is a concrete tunnel that was built using the Tunnel Boring Machine (TBM) drill machine. Tunnel walls in underground construction use pre-cast (segment) concrete materials arranged in a circle directly into one ring segment by TBM. Tunnel checks are needed to be the basis of diagnosis in tunnel care. Tunnel maintenance is carried out to maintain the condition of the tunnel to function properly and safely to be operated in a sustainable manner in accordance with the predicted load, including: the burden of soil or overburden, dead load and live load, load due to water pressure, earthquake load, and other loads that will affect tunnel construction. The results of the study that damage to the tunnel wall can be classified as leaks and cracks. Examination of components in the MRTJ tunnel wall by paying attention to the detail part of the wall in the form of segment bolts, connections between segments, concrete structures in segments. As for the maintenance carried out to repair and prevent tunnel wall leaks, it can be done by grouting polyurethane liquids and replacing rubber sealing on the bolts, for treatment due to cracks can be done by grouting liquid microscopy and plastering.
Perbandingan Pengukuran Radius Lengkung Dengan Menggunakan Benang, Total Station Dan Messreg CLS Adi, Wahyu Tamtomo; Atmaja, Dadang Sanjaya
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 3 No 1 (2019): Jurnal Perkeretaapian Indonesia Volume 3 Nomer 1 Tahun 2019
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v3i1.67

Abstract

An examination of the railroad curves that have been operated can be done with a variety of available gauges, however there has never been a comparison of the outputs of several gauges used to check rail curves. This study intends to examine the curvature of the railroad by comparing the results of measuring arrows manually and the use of digital measuring stations and Messreg CLS. This study also tries to provide recommendations on arch maintenance plans so that the arch conditions can be optimized for trains to pass. The measurement results show that manual curvature measurements (arrows thread) with digital measuring devices (total station and CLS messeg) give results that vary from one another, although not significantly different. The measurement results with Total Station and Messreg CLS show an average value that is greater than the measurement results using Arrows thread. The results of the inspection also showed that in order to make the railroad curvature more ideal for passing trains, it was necessary to move both in and out so that the value of the Arrows at each measured point approached the ideal value of 630 mm.
Prototipe Lori Inspeksi Jalan Rel Akademi Perkeretaapian Indonesia Api-02 atmaja, dadang sanjaya; Kurniawan, Moch Aziz
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 4 No 1 (2020): Jurnal Perkeretaapian Indonesia Volume 4 Nomer 1 Tahun 2020
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v4i1.102

Abstract

Inspection railway are a re-design of railway that have been made in the Indonesian Railway Polytechnic. Inspection lorry repairs are carried out on the wheels, chassis, drive and body.The new lorry wheels are made of structural iron to reduce the total weight from 148 kg to 119 kg. The size of the wheel conus is the difference between the outer and inner diameter of 30 mm to minimize wheel friction with rails in the curved region. The chassis uses the ledder frame model with emphasis on the strength of 44.29 MPa and 0.095 MPa deflection to get optimal and reliable results on the 1067 track. The material uses galvanized hollow type iron weighing 125 kg. The environmentally friendly drive used in the railway inspection is an BLDC electric motor (brushless direct current) with a capacity of 2000 watts of power, a current of 35A and a rotational speed of 4250 Rpm. The railway inspection body is made of 3 layers fiber reinforced polymers of plastics (FRP) using a hand lay-up method that has a tensile stress value of 40.18 MPa and a strain value of 0.89%. The inspection body focuses on the aesthetics and ergonomics aspects in the form of a more attractive appearance, smoothness of design, passenger comfort and color harmony so that they have high selling.
PROTOTIPE LORI INSPEKSI ELEKTRIK BERTENAGA SURYA (LORI PPI E-2000 GENERASI 3) Atmaja, Dadang Sanjaya; Prasetya, Henry Widya
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 4 No 2 (2020): Jurnal Perkeretaapian Indonesia Volume 4 Nomor 2 Tahun 2020
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v4i2.128

Abstract

The use of inspection lorries in infrastructure maintenance activities is needed to minimize labor in maintenance and time efficiency. The development of inspection lorries at the Indonesian Railroad Polytechnic of Madiun continues, starting from the motor, wheels, frames, body, rubber dumper and solar panels as the main energy source. The motor uses a BLDC (Brushless direct current) electric motor with a power of 2680 Watts, a current of 35 A and a rotating speed of 4250 Rpm which is environmentally friendly. The development of the inspection lorry uses a monoblock structure with a casting process. The material used comes from nodular cast iron (FCD), having an average hardness of 191 HB. Rubber dampers are known as shock absorbers with a length of 185 mm, a width of 60 mm, and a height of 30 mm. The composition of the Rubber damper material is as follows: 55% natural rubber, 25% Carbon black, 5% White oil, 3% Zine oxide, 2% Accelerator, 2% Anti Oxidant, 3% Steread Axid, and 5% sulfur. The inspection lorry body is made of fiber reinforced polymers of plastics (FRP) type composite material. This composite uses a polymer made from polyester resin as a matrix (binder) and strengthens fibrous glass fibers using the hand lay-up method. Solar panels are the main energy source to supply the electric motor power. Solar panels can work optimally with a Pmax presentation reaching 99.29% and a range of 11 km. The railroad geometry measuring device is equipped with a maxbotic sensor to detect rail road width, a gyroscope as a height difference detector and a KTR displacement sensor to detect rail wear. The design of the PPI Madiun electric inspection lorry has high aesthetic and ergonomic value.
Perancangan Superstructure Jembatan Kereta Api Bentang 100 Meter Tipe Rangka Baja Erlangga, Aditya Wahyu; Atmaja, Dadang Sanjaya; Dewi, Puspita
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 1 No 1 (2017): Jurnal Perkeretaapian Indonesia Volume 1 Nomor 1 Tahun 2017
Publisher : Politeknik Perkeretaapian Indonesia Madiun

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

Abstract

This study discusses long bridge superstructure planning. The reference used for the design of the bridge is the Regulation of the Minister of Transportation No. 60 of 2012 on Technical Requirements of Railways, AREMA and the rules of the European Union. The loading of the superstructure of the railway bridge includes dead load, live load, shock load, horizontal load, and wind load. This bridge profile needs analysis using the influence line method with SAP 2000 application. The result of superstructure analysis of 100 meter railway bridge type of lower truss frame shows that the size for structure profile, stringer, and cross girder must be specially designed by utilizing SM400 type steel plate with welding. From the analysis result, the working force of stringer is 1618,74 kN with a deflection of 11,58 mm; Force on a transverse girder of 2348.16 kN; Upperchord of 6340.45 kN; Lower Frame (Lowerchord) of 7441.33 kN; And members in the amount of 5599.48 kN. Of the styles are designed profiles as follows: 1 UFLG 105 x 2.5; 2WEB 80 x 2.5; 1 UFLG 80 x 2.5 for lowerchord, 1 UFLG 105 x 3.6; 2WEB 80 x 2.5; 1 UFLG 80 x 3.6 for upperchord and WF 72X x 80 x 2 x 2 For diagonal member.
Co-Authors Aco Wahyudi Efendi Ajeng Tyas Damayanti Akbar Zulkarnain Akbar Zulkarnain Andrew Joewono Astuti, Septiana Widi Benecdiktus Ergo Febrilian Daffa Ricta Ricardo Damar Isti Pratiwi Damayanti, Ajeng Tyas Dimas Adi Perwira Erlangga, Aditya Wahyu Ersaputra, Arya Yudha Fadli Rozaq Fajar, Hafidh Fiqran Firjatullah, Aisha Aristawidya Firmansyah Fariz Prasaja Hanung Dwi Pamungkas Hari Boedi Wahjono Henry Widya Prasetya Henry Widya Prasetya Ilham Satrio Utomo Imron, Nanda Ahda Kurniawan, Moch Aziz M Nurhadi Natriya Faisal Rachman Nurul Fitria Apriliani Pradana, Adrian Prasetya, Henry Widya Pratama, Martin Willy Eka Puspita Dewi, Puspita Puspitasari, Mariana Diah Rifa'i, Afaf Fadhil Rihandoyo, Ken Ken Tabitha Rochmat Septian Hermawan Shakti, Panka Mahendra Teguh Arifianto Wahyu Tamtomo Adi Wahyu Tamtomo Adi, Wahyu Tamtomo Waskito, Ario Wirawan, Willy Artha Yusuf Adhisuryo Zulkarnain, Akbar