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All Journal Journal of Energy, Mechanical, Material and Manufacturing Engineering Journal of Railway Transportation and Technology
Natriya Faisal Rachman
Indonesian Railway Polytechnic
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Investigating Public Perception Toward The Level Crossing Without Railway Gate Crossing (Case Study: At JPL 297 and 294 Lamongan) Handoko Handoko; Natriya Faisal Rachman; Firdaus Ade Kurniawan; Rao Guangjiong
Journal of Railway Transportation and Technology Vol. 1 No. 1 (2022): May
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (476.352 KB) | DOI: 10.37367/jrtt.v1i1.7

Abstract

According to the Minister of Transportation regulation No. 36 article 4, year 2011 concerning the intersection of level crossings, the minimum distance between crossings is 800 meters. However, this regulation has not been well implemented at the level crossings of JPL 297, 295, and 294 at Sukodadi Village, Lamongan Regency. Since the regulations are not implemented yet, hence the accidents frequently occur. Therefore, this study was conducted to find out public perceptions of the planned closure of JPL 297 and 294. This study applied descriptive quantitative method by calculating LHR and vehicle queue lengths. Among the three JPLs, the JPL with the highest LHR was JPL 295 with the total of 249 vehicles per hour. Meanwhile, the longest queue of vehicles occurred at JPL 295 reaching 23 meters. Furthermore, the data were analyzed by using multiple linear regression. The findings claimed that the indicators of benefits involved convenience and safety in 180, 11,506 and 7,781, while the result of the public perception obtained 66.8%.
Behavior of Rail Ballast Layer Using Mortar Foam with LISA-FEA Aco Wahyudi Efendi; Yahya Do; Natriya Faisal Rachman
Journal of Railway Transportation and Technology Vol. 1 No. 2 (2022): November
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (601.29 KB) | DOI: 10.37367/jrtt.v1i2.8

Abstract

In the development of railroads, geosynthetics can be introduced in or under the stabilizer layer or sub ballast, foam mortar has become one of the trends in the construction sector in replacing the foundation layer as an excellent alternative. The researcher conducted a comparative analysis on railroad ballast by using a substitute for conventional railroad ballast material, namely granular material using mortar foam, conducting research on the stresses that occur and the value of the decrease that occurs in ballast using mortar foam. From the results of the analysis of this study, it was found that there was an increase in the ability of ballast with mortar foam material compared to granular material, the decrease in stress that occurred and a decrease in the deformation value in railroad construction gave an option to use conventional ballast substitutes.
Effect of fiber length on tensile strength, impact toughness, and flexural strength of Banana Stem Fiber (BSF)-polyester composite for train body Balla Wahyu Budiarto; Willy Artha Wirawan; Fadli Rozaq; Natriya Faisal Rachman; Dhina Setyo Oktaria
Journal of Energy, Mechanical, Material, and Manufacturing Engineering Vol. 8 No. 1 (2023)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v8i1.25570

Abstract

The study aimed to determine the tensile and impact strength characteristics of the banana steam fiber (BSF)-polyester composite modified with NaOH treatment. The composites were made using the hand lay-up method, varying the length of the BSF fibers to 10 mm, 20 mm, and 30 mm. The fiber was modified by giving 2% NaOH for 1 day to improve the mechanical properties of the composite. The tensile strength tests were carried out using ASTM D638 standards. While impact tests were carried out using ASTM D6110 standards. The test showed the highest average tensile strength value at 30 mm fiber length, for 37.78 MPa. Meanwhile, the lowest value at 10 fiber length was 31.87 MPa. For the impact test, the highest average value was at 10 mm fiber length, for 0.016 J/mm2. And, the lowest value was at 30 mm fiber length variation, for 0.010 J/mm2. Fiber length has no significant effect on the flexural strength of the BSF composite.
Co-Authors Aco Wahyudi Efendi Balla Wahyu Budiarto Dhina Setyo Oktaria Fadli Rozaq Firdaus Ade Kurniawan Handoko Handoko Rao Guangjiong Wirawan, Willy Artha Yahya Do