Evaluation of composite crashworthy device for pier protection against barge impact

Wang, J.J.; Song, Yanchen; Wang, W.; Tu, L.F.

doi:10.1016/j.oceaneng.2018.09.026

Cited by 25 publications

(4 citation statements)

References 21 publications

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“…The damage (𝐷 𝑊 𝐵,𝑊 𝑖𝑟𝑠ℎ𝑖𝑛𝑔 ) is 𝐷 𝑊 𝐵,𝑊 𝑖𝑟𝑠𝑐ℎ𝑖𝑛𝑔 = 𝜁 𝑤 𝐷 𝑁𝐵 (30) where 𝜁 𝑤 is the rainflow correction factor. Oritz and Chen proposed a damage approach for a wide-band stress as 𝐷 𝑊 𝐵,𝑂𝑟𝑖𝑡𝑧 = 𝜁 0 𝐷 𝑁𝐵 (31) where…”

Section: Fatigue Analysis Under a Random Processmentioning

confidence: 99%

“…In a very high cycle fatigue region for martensitic-bainitic hot rolled steel the main fatigue process is by corrosion [25] , this is a time-dependent mechanism. Although corrosion protection mechanism as cathodic protection or surface coating is applied on parts in contact with seawater, it can be damaged or wear by structure operation or external impacts [26] , to prevent it, the structure deformation mechanism has been analyzed in marine structures [27] , [28] , [29] , [30] . To minimize its effect on structure strength and corrosion protection, foamed metals can be used in marine structures due to its ability to absorb impact energy [31] .…”

Section: Introductionmentioning

confidence: 99%

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Harbor and coastal structures: A review of mechanical fatigue under random wave loading

Jimenez-Martinez

2021

Heliyon

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Harbor and coastal structures are essential in maritime connections. Additionally, some offshore structures near the coast are important for supplying energy as a material or transforming the natural resources into energy, as in wind turbines. One of the main issues that needs to be overcome in terms of these structures is mechanical fatigue due to the loads of the structure by its function and waves, wind, the current seawater level, and ice. Structural design has to meet high target loads to ensure that structures can endure extreme marine conditions under the assumption of the probability of loads and based on marine conditions, can mask damage where component immersions are not available for inspection. In this work, the wave loads and fatigue damage under random processes are reviewed.

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Section: Fatigue Analysis Under a Random Processmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Harbor and coastal structures: A review of mechanical fatigue under random wave loading

Jimenez-Martinez

2021

Heliyon

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“…Darüber hinaus wurden zum Schutz der Brückenpfeiler verschiedene Vorrichtungen entwickelt und umgesetzt, die einen direkten Schiffsanprall vermeiden und die Pfeiler diesbezüglich quasi isolieren. Gängige Schutzvorrichtungen sind beispielsweise "artificial islands" [5], "guiding structures" [6], "dolphin structures" [7,8] und "floating structures" [9,10]. Da solche Konstruktio-nen häufig mit vergleichsweise hohen Kosten und recht großen Herausforderungen bei der Erstellung bzw.…”

Section: Einführungunclassified

Numerische Untersuchungen einer energiedissipierenden Schutzvorrichtung gegen Schiffsanprall

2019

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Herrn Univ.‐Prof. Dr.‐Ing. habil. Frank Werner zur Vollendung seines 70. Lebensjahres gewidmet Ein Schiffsanprall stellt eine außergewöhnliche Beanspruchungssituation dar, die die Sicherheit von Brückenbauwerken im Bereich von Wasserstraßen gefährdet. Zur Vermeidung des unmittelbaren Anpralls gegen Brückenpfeiler kommen unterschiedliche Schutzvorrichtungen zum Einsatz. Derartige Schutzsysteme dissipieren einen Großteil der Anprallenergie durch die Entwicklung plastischer Deformationen, sodass die vom Pfeiler bzw. Schiff zu absorbierende Energie auf ein Minimum reduziert wird. In diesem Beitrag werden numerische Untersuchungen und das strukturelle Verhalten einer neuartigen kollisionssichernden Konstruktion vorgestellt, bei der sich beim Anprall plastische Mechanismen in klar definierten Bauteilbereichen entwickeln und übrige Konstruktionselemente im elastischen Zustand verbleiben. Da die Konstruktion nach einem Anprallereignis dadurch in weiten Bereichen nicht geschädigt ist, können sich Wiederherstellungsmaßnahmen auf lokal begrenzte Bereiche beschränken. Die konstruktive Durchbildung von Konstruktionsdetails steht bei den Untersuchungen nicht im Mittelpunkt und soll in weitergehenden Studien entwickelt werden.

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“…Another new vessel collision protection device made of drilled shafts, which was designed by Pinto et al (2018), could absorb vessel collision energy through the plastic deformation of shafts. Wang et al (2018) explored a glass fiber–reinforced plastic floating device to absorb most of the collision energy through the plastic deformation of glass fiber composite material. Wu et al (2009) proposed an energy-consumed collision prevention system of long-distance anchor moving, which mainly used gravity anchors to consume the kinetic energy of vessels in long-distance anchors moving and prevented the vessels from hitting the non-navigational bridge.…”

Section: Introductionmentioning

confidence: 99%

A new polyurethane-steel honeycomb composite pier anti-collision device: Concept and compressive behavior

Zhang

Xie

et al. 2022

Advances in Structural Engineering

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A new type of pier anti-collision composite structure composed of honeycomb steel and polyurethane (PU) elastomer was proposed in this study. The impacts of the shape and filling materials of inner core cells on the failure mode, load–displacement cure, bearing capacity, structural stability, and energy absorption were studied by conducting uniaxial compression tests on device segments. Test results showed that the bearing capacity, structural stability, and energy absorption of honeycomb steel structure were significantly improved by PU elastomer filling. Besides, when compared with the square honeycomb structure and the regular hexagon honeycomb structure, the maximum values of average load, total energy absorption (TEA), and specific energy absorption (SEA), which were 69.6 kN, 1986.1 J, and 1300 J/kg, respectively, for the regular triangle honeycomb structure without PU filling, increased to 459.3%, 376.38%, and 212.5%, respectively, for the regular hexagonal core cell structure with PU filling, which was proved to be the most suitable core structure for pier anti-collision device.

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Evaluation of composite crashworthy device for pier protection against barge impact

Cited by 25 publications

References 21 publications

Harbor and coastal structures: A review of mechanical fatigue under random wave loading

Harbor and coastal structures: A review of mechanical fatigue under random wave loading

Numerische Untersuchungen einer energiedissipierenden Schutzvorrichtung gegen Schiffsanprall

A new polyurethane-steel honeycomb composite pier anti-collision device: Concept and compressive behavior

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