Study on the Probability Model of Ship-Bridge Collision

Guang-nian, YU; Gan, Weidong

doi:10.1088/1755-1315/783/1/012157

Cited by 2 publications

(2 citation statements)

References 1 publication

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“…In this regard, the determination of the ship-bridge collision probability is the most important part in the risk assessment [29]. In [30], the authors combined the advantages of several ship-bridge collision models and improved the AASHTO model by using the ship simulator to obtain the track probability distribution curve of the ship to replace the original geometric probability distribution curve. Moreover, it introduced ship stopping probability function to address the shortcomings of the AASHTO model.…”

Section: Ship-bridge Collision Risk Assessment Researchmentioning

confidence: 99%

Evaluation of the Effectiveness of Active and Passive Safety Measures in Preventing Ship–Bridge Collision

Zhu

Grifoll

et al. 2022

Sensors

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The risk of ship–bridge collisions should be evaluated using advanced models to consider different anti-collision and bridge-protection measures. This study aimed to propose a method to evaluate the effectiveness of active and passive safety measures in preventing ship–bridge collision. A novel ship–bridge collision probability formulation taking into consideration different safety measures was proposed. The model was applied at Jintang Bridge in China where the surrounding vessel traffic is ultra-crowded. We calculated the collision probability between the bridge and passing traffic using automatic identification system (AIS) data, Monte Carlo simulation, and Bayesian networks. Results under four different safety measures (i.e., active measures, passive measures, both measures and none) were analyzed and compared. The analysis concluded that both active and passive safety measures are effective in reducing the ship–bridge collision probability. Active measures, if deployed properly, can provide protection at an equivalent level than passive measures against collision risks. However, passive measures, such as setting arresting cables, are necessary in cases where the response time of the active measures is long. The proposed method and the results obtained from the case study may be useful for robust and systematic effectiveness evaluation of safety measures in other cases worldwide.

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Section: Ship-bridge Collision Risk Assessment Researchmentioning

confidence: 99%

Evaluation of the Effectiveness of Active and Passive Safety Measures in Preventing Ship–Bridge Collision

Zhu

Grifoll

et al. 2022

Sensors

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“…It has been pointed out by some scholars previously that at least one major ship-bridge striking accident with serious consequences occurred each year on average in the past [1][2][3][4]. Since the major striking accident at the Sunshine Bridge in the United States in 1980 that attracted the attention of the world, bridge-striking prevention has developed rapidly [5]. However, there is still no striking prevention method that can actively intervene in the case of runaway ships to achieve the purpose of reducing and avoiding such traffic accidents.…”

Section: Introductionmentioning

confidence: 99%

Research on a Ship Deflection Anti-Collision Method Based on a Water-Jet Interference Flow Field

Wang

Liu

et al. 2023

Applied Sciences

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Currently, water jets are mainly used in the fields of mechanical processing and mining collection. This paper creatively introduces them to the field of safety assurance for inland navigation. Compared with the traditional bridge anti-striking methods such as intelligent early warning and passive anti-striking, this method can form an “interference zone” by changing the water flow conditions in the local bridge water areas, causing the yawing moment of the yaw ship to change, thereby causing the ship’s course to change, and thus guiding the ship to move away from the bridge pier to realize active anti-striking of the ship. In this paper, a combination of generalized model testing and numerical simulation was used to study the effects of different nozzle pressures and different ship pier distances of the water-jet generator on the trajectory and drift angle of the stalled ship. The results showed that the numerical simulation was in good agreement with the model test results. Within the interference zone, the distance between the ship and the pier increased rapidly after the action of the disturbance zone to 9.1, 5.8, and 6.2 times the ship’s width, respectively, reaching a safe distance. During the process of being affected by the interference zone, the maximum drift angle of the yaw ship was less than 20°, the course of the ship was generally stable, and the drift angle comparison error was a maximum of 10.6%, a minimum of 3.5%, and an average error of 6.7%. A negative peak and a positive peak of four times the absolute value of the negative peak occurred in the yaw-moment ephemeral curve during the ship’s passage through the interference area. The method had a notable effect on the anti-striking of stalled ships and two invention patents applied for in the course of research.

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Study on the Probability Model of Ship-Bridge Collision

Cited by 2 publications

References 1 publication

Evaluation of the Effectiveness of Active and Passive Safety Measures in Preventing Ship–Bridge Collision

Evaluation of the Effectiveness of Active and Passive Safety Measures in Preventing Ship–Bridge Collision

Research on a Ship Deflection Anti-Collision Method Based on a Water-Jet Interference Flow Field

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