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A novel modular shallow mounted bollard system design and finite element performance analysis in ensuring urban roadside safety
Date
2023-11-01
Author
Apak, Mustafa Yurdabal
Ergün, Murat
ÖZEN, Halit
Büyük, Murat
Yumrutas, Halil Ibrahim
Ozcanan, Sedat
Atahan, Ali Osman
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The safety of risky roadside zones such as kids' playgrounds, schools, bus stops, petrol stations, critical roadside facilities, and pavements are becoming a significant worldwide problem. This study focused on the roadside safety of critical above-ground assets of natural gas grids due to its consequences such as fire, blast, traffic interruptions, service downtime, and consumer displeasure during the repair process. In this regard, a novel modular shallow mounted bollard system was designed considering the disadvantages of conventional bollard systems in the literature and the demands/needs of related institutions. Numerical simulations were carried out to analyze the structural and safety performance capabilities of the originally designed bollard system following PAS 68:2013 standard. In addition, FE models were created and incorporated with the verified vehicle models to simulate dynamic behaviors. LS-DYNA software analyzed the FE models. As a result of the simulations, the newly developed fixed bollard design can safely stop vehicles that weigh 18,000 kg max., except for the 30,000 kg N3 class vehicle, up to 50 km/h. The results revealed that proposed bollard designs successfully met the standard requirements for the vehicle types and speed that represent general urban traffic characteristics. Thus, the new fixed bollard design will contribute to roadside safety in metropolitan areas by protecting critical hazardous roadside facilities. In the next stage, the newly designed barrier system should be optimized to lighten the system and reduce the costs.
URI
https://hdl.handle.net/11511/108101
Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING
DOI
https://doi.org/10.1177/09544070221125534
Collections
Department of Engineering Sciences, Article
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M. Y. Apak et al., “A novel modular shallow mounted bollard system design and finite element performance analysis in ensuring urban roadside safety,”
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING
, vol. 237, no. 13, pp. 3146–3164, 2023, Accessed: 00, 2024. [Online]. Available: https://hdl.handle.net/11511/108101.