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Abstract

In 2015, the Indonesian government issued regulations to accelerate the implementation of integrated Light-Rail Transit (LRT) in the capital region and its surroundings. In order to ensure its operational safety, experimental work is required to test components’ strength of the manufactured LRT structures. Following the JIS 7105 standard test method, the strain and deflection of the structures were measured by vertical load, compression, rotation, and three-point load support test. The critical area estimated in the railroad structure were conducted according to the finite element method, in which strain gauges are installed in areas where the stress concentration exceeds nominal pressure, namely notches, bends, and junction areas. The result shows that the maximum stress on the LRT train structure occurs at the door, where maximum compressive strain value is -1082 μe » -75.74 MPa on the left and the maximum tensile strain value is 597 μe » 41.79 MPa at the right door. The results of fatigue load analysis represent the average stress (σm) and voltage amplitude (σa) at the coordinate system located in the Søderberg triangle. Meanwhile, the camber value with the full vertical load still has a positive value of 3.03 mm, which indicates a safe limit.

Keywords

LRT Al 6005 JIS 7105 Strain Stress

Article Details

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Author Biographies

Djoko Wahyu Karmiadji, Pancasila University, Indonesia

Academic profile: Scopus; ORCID; Google Scholar; ResearchGate; Sinta

Muchamad Gozali, Agency for the Assessment and Application of Technology, Indonesia

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Anwar Anwar, Agency for the Assessment and Application of Technology, Indonesia

Academic profile: -

Hedi Purnomo, The Indonesian Railroad Industry (INKA), Indonesia

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Muji Setiyo, Universitas Muhammadiyah Magelang, Indonesia

Academic profile: Scopus; ORCID; Google Scholar; ResearchGate; LinkedIn; Publons; Sinta

Ramli Junid, Universiti Malaysia Pahang, Malaysia

Academic profile: Scopus; ORCID; Google Scholar; Publons

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