Girder of a ship unloader crane (SUC) with a rated capacity of 1250 t/h has to be extended in order to follow jetty upgrading. The girder extension is limited by the railway span of gantry crane and the capacity of belt conveyor, which are maintained. This simulation aims to determine the effect of girder extension on the vulnerability of SUC to earthquake shocks in Indonesian region. A new method is proposed to evaluate earthquake resilience of crane structure that is not anchored to the ground, based on an equivalent static load of earthquake shock. The equivalent static simulation is carried out using ANSYS Mechanical APDL R18 on the 3d-truss model of SUC, which is generated based on the general arrangement drawing. To investigate the influence of earthquake shocks on the SUC structure, three variations of girder extension is applied, i.e. 3m, 6m, and 9m. The applied load consists of the SUC operating load and the earthquake load that works on the SUC structure’s supports. The earthquake resilience of SUC after girder extension is evaluated by comparing the reaction forces that occur in the supports. The simulations indicated that the girder extension can reduce the earthquake resilience of SUC, depending on the direction of the earthquake propagation.
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10 December 2019
INNOVATIVE SCIENCE AND TECHNOLOGY IN MECHANICAL ENGINEERING FOR INDUSTRY 4.0: Proceedings of the 4th International Conference on Mechanical Engineering (ICOME2019)
28–29 August 2019
Yogyakarta, Indonesia
Research Article|
December 10 2019
Girder extension effect on earthquake resilience of ship unloader crane: A numerical study
Suwarno;
Suwarno
b)
1
Department of Civil Engineering, Faculty of Architecture, Design and Planning, Institut Teknologi Sepuluh Nopember
, Indonesia
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Achmad Syaifudin
Achmad Syaifudin
a)
2
Department of Mechanical Engineering, Faculty of Industrial Technology, Institut Teknologi Sepuluh Nopember
, Indonesia
a)Corresponding author: [email protected]
Search for other works by this author on:
Suwarno
1,b)
Achmad Syaifudin
2,a)
1
Department of Civil Engineering, Faculty of Architecture, Design and Planning, Institut Teknologi Sepuluh Nopember
, Indonesia
2
Department of Mechanical Engineering, Faculty of Industrial Technology, Institut Teknologi Sepuluh Nopember
, Indonesia
a)Corresponding author: [email protected]
AIP Conf. Proc. 2187, 050029 (2019)
Citation
Suwarno, Achmad Syaifudin; Girder extension effect on earthquake resilience of ship unloader crane: A numerical study. AIP Conf. Proc. 10 December 2019; 2187 (1): 050029. https://doi.org/10.1063/1.5138359
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