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Littérature scientifique sur le sujet « Armour layer »

Auteur : Grafiati
Publié le 10 mars 2023
Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Armour layer"

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Agung, Ida Bagus. "PENGARUH DURASI SERANGAN GELOMBANG TERHADAP TINGKAT KERUSAKAN LAPIS LINDUNG PEMECAH GELOMBANG." Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi 1, no. 1 (2015): 18–27. http://dx.doi.org/10.30738/jst.v1i1.471.

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this research tetrapod have been utilized for breakwater cover layer or armour layer. The effect of wave duration on the armor layer tetrapod stability was studied. The models were run in the irregular wave flume, where Bretschneider spectrum may be generated attacking the breakwater. The waves were set to break before reaching the breakwater. The test was conducted until the damage level of armour layer reached more than 5 %. The result of the research showed that waves duration and the high of the wave attack affect the stability of armour layer, especially when the wave was Rayleigh
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MAYSTRENKO, Anatoliy L., Volodymyr I. KUSHCH, Evgeniy A. PASHCHENKO, Vitaliy G. KULICH, Olecksiy V. NESHPOR, and Sergiy P. BISYK. "Ceramic Armour for Armoured Vehicles Against Large-Calibre Bullets." Problems of Mechatronics Armament Aviation Safety Engineering 11, no. 1 (2020): 9–16. http://dx.doi.org/10.5604/01.3001.0014.0279.

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Modelling the armour-piercing bullets B-32 calibre 12.7 mm penetration into the double-layer ceramic-composite armour has been performed for the armour blocks of two designs. The first one is a layer of ceramic square tiles supported by the glass or polyamide fabric. Modelling and subsequent ballistic tests have shown that the conical Hertz crack localized in the ceramic tile is formed. The tile is destroyed from the spread of radial cracks, and the entire armour unit becomes unable to sustain the repeated hit of the bullet. In the second case, the armour block consists of the discrete epoxy-f
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Van den Bosch, Ilse, Erik Ten Oever, Pieter Bakker, and Markus Muttray. "STABILITY OF INTERLOCKING ARMOUR UNITS ON A BREAKWATER CREST." Coastal Engineering Proceedings 1, no. 33 (2012): 11. http://dx.doi.org/10.9753/icce.v33.structures.11.

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The hydraulic stability of single layer, interlocking armour units on low crested and submerged breakwaters was investigated in 2D hydraulic model tests. Displacements of armour units and rocking were monitored and have been applied as indicators for the armour layer stability on the crest, front and rear slope. The effect of freeboard, packing density and wave steepness on the armour layer stability have been investigated. The stability of interlocking concrete armour units on low crested and submerged structures is qualitatively different from rock armour. About 40% to 50% larger armour unit
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Santos, João Alfredo, Francisco Pedro, Mário Coimbra, et al. "3-D Scale Model Study of Wave Run-Up, Overtopping and Damage in a Rubble-Mound Breakwater Subject to Oblique Extreme Wave Conditions." Defect and Diffusion Forum 396 (August 2019): 32–41. http://dx.doi.org/10.4028/www.scientific.net/ddf.396.32.

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A set of scale-model tests carried out to enlarge the range of wave steepness values analysed in run-up, overtopping and armour layer stability studies, focusing on oblique extreme wave conditions and on their effects on a gentler slope breakwater’s trunk armour and roundhead, is presented in this paper. A stretch of a rubble mound breakwater (head and part of the adjoining trunk, with a slope of 1(V):2(H)) was built in a wave basin at the Leibniz University Hannover to assess, under extreme wave conditions (wave steepness of 0.055) with different incident wave angles (from 40º to 90º), the st
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Latham, John-Paul, Eleni Anastasaki, and Jiansheng Xiang. "A FEMDEM NUMERICAL MODEL STUDY OF RUBBLE-MOUND STRUCTURES ARMOURED WITH CONCRETE ARMOUR UNITS." Coastal Engineering Proceedings 1, no. 33 (2012): 37. http://dx.doi.org/10.9753/icce.v33.posters.37.

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A new method for the numerical creation of random single-layer systems of concrete armour units is illustrated. The armour layer pack is created by a FEMDEM solver that ensures mechanical equilibrium between all concrete units and rocks of the underlayer. The local and average packing density together with geometric constraints indicative of randomness and interlocking are assessed using analysis tools and shown to be in accordance with unit designer requirements. This solids modelling research is an essential pre-requisite to future simulation of the armour layer response to wave loading and
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Bakker, Pieter, Tiemen de Hoop, and Markus Muttray. "STABILITY OF XBLOCPLUS ARMOUR LAYERS AFTER INITIAL DAMAGE." Coastal Engineering Proceedings, no. 36v (December 28, 2020): 16. http://dx.doi.org/10.9753/icce.v36v.structures.16.

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XblocPlus is an interlocking single layer armour unit that is placed with uniform orientation. The unit is applied with a large safety margin. Physical model test were performed without damage up to stability numbers of Hs/dDn=5.5 whereas a design stability number of Hs/dDn=2.5 has been adopted. The behaviour of an XblocPlus armour layer after initial damage is has been investigated by physical model tests with broken and manually removed model units. XblocPlus armour layers (with uniform orientation) respond differently to initial damage than interlocking armour units with random orientation.
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Lu, Jiang Ren, Xin Li Sun, Xing Hui Cai, San Qiang Dong, and Guo Liang Wang. "Numerical Study on the Ballistic Impact on Lightweight Composite Armour." Applied Mechanics and Materials 670-671 (October 2014): 824–28. http://dx.doi.org/10.4028/www.scientific.net/amm.670-671.824.

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A lightweight sandwich composite armours has been established by comparing the ballistic resistance of the potential component materials. The ballistic-resistance properties of the armours under impacting by the bullet with 12.7mm diameter are also numerically investigated by using finite element software LS-DYNA. Numerical modeling is used to obtain an estimate for the ballistic limit velocity (V50) and simulate penetration processes. The focus is placed on the energy absorption capabilities of different component layers with same density per unit area. The influence of stacking sequence and
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Burcharth, Hans Falk, Thomas Lykke Andersen, and Josep R. Medina. "STABILITY OF CUBIPOD ARMOURED ROUNDHEADS IN SHORT-CRESTED WAVES. A COMPARISON BETWEEN CUBIPOD AND CUBE ARMOUR STABILITY." Coastal Engineering Proceedings 1, no. 32 (2011): 39. http://dx.doi.org/10.9753/icce.v32.structures.39.

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The paper presents a comparison of the stability of concrete cube armour and Cubipod armour in a breakwater roundhead with slope 1:1.5, exposed to both 2-D (long-crested) and 3-D (short-crested) waves. The model tests were performed at the Hydraulics and Coastal Engineering Laboratory at Aalborg University, Denmark. The model tests
 showed that Cubipod armour is more stable than cube armour when exposed to longer waves (steepness approx. 0.025) and has equal stability to cubes in shorter waves. The Cubipod armour layer contained due to its high porosity approximately 6-17% less concrete t
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Young, Martin, John Hayman-Joyce, and Seok Hyeon Kim. "USE OF SINGLE LAYER CONCRETE ARMOUR UNITS AS TOE REINFORCEMENT." Coastal Engineering Proceedings 1, no. 33 (2012): 48. http://dx.doi.org/10.9753/icce.v33.structures.48.

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Detailing and optimization of the toe reinforcement is presented as a case study from the construction of the 5.2km long main breakwater for the new Colombo South Harbour in 18m water depth. During the breakwater design the environmental constraints on supply of large rock armour were recognized, and CORE-LOC™ single layer concrete armour units were selected for the primary armour protection. During construction, supply of relatively small quantities of 8-12t rock for use in the toe reinforcement became an issue, and use of CORE-LOC™ units placed on the flat rock armour apron as an alternative
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Lemos, Rute, João A. Santos, and Conceição J. E. M. Fortes. "Damage Evolution Prediction during 2D Scale-Model Tests of a Rubble-Mound Breakwater: A Case Study of Ericeira’s Breakwater." Modelling 4, no. 1 (2022): 1–18. http://dx.doi.org/10.3390/modelling4010001.

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Melby presents a formula to predict damage evolution in rubble-mound breakwaters whose armour layer is made of rock, based on the erosion measured in scale-model tests and the characteristics of the incident sea waves in such tests. However, this formula is only valid for armour layers made of rock and for the range of tested sea states. The present work aims to show how the Melby methodology can be used to establish a similar formula for the armour layer damage evolution in a rubble-mound breakwater where tetrapods are employed. For that, a long-duration test series is conducted with a 1:50 s
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Thèses sur le sujet "Armour layer"

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Silva, Diogo Filipe Teixeira Cerqueira da. "Parameter analysis of the armour layer incoastal structures." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13993.

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Mestrado em Engenharia Civil<br>Coastal erosion is a serious problem that affects numerous countries and particularly Portugal. The sediment deficit, increasing urbanistic pressure and highly energetic coastal areas anticipate the necessity of large investments in shore protection structures. The design process of coastal structures is mainly dependent on empirical formulations, followed by tests on physical models to validate the design solutions. In these empirical formulations, the incorporation of several parameters in to coefficients, adds a level of subjectivity that is relevant on the
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Pratola, Luigi. "Studio dell'interazione tra moto ondoso e strutture marittime mediante modellazione fisica." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/1921.

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2012 - 2013<br>Le aree costiere rappresentano sistemi naturali del tutto unici, così come unici sono i fenomeni che le caratterizzano. L’erosione dei litorali, divenuta ormai un fenomeno di interesse planetario, ha spinto verso un approfondimento delle conoscenze dei processi costieri, consentendo di operare nella lotta ai suddetti fenomeni, attraverso strategie sempre più mirate e attente. Una migliore conoscenza dei processi costieri, infatti, può consentire agli ingegneri di adottare approcci più corretti nella progettazione di opere di protezione costiera. La principale fonte di sup
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Don, Rasika Perera Solangarachchige. "Investigation of fretting behaviour in pressure armour layers of flexible pipes." Thesis, Sheffield Hallam University, 2007. http://shura.shu.ac.uk/20219/.

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The incidence of fretting damage in the pressure armour wires of flexible pipes used in offshore oil explorations has been investigated. A novel experimental facility which is capable of simulating nub and valley contact conditions of interlocking wire winding with dynamic slip, representative of actual pipe loading, has been developed. The test set-up is equipped with a state of the art data acquisition system and a controller with transducers to measure and control the normal load, slip amplitude and friction force at the contact, in addition to the hoop stress in the wire. Tests were perfor
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Alavandimath, Shivaraj. "Local plastic deformation in pressure and tensile armour layers of flexible risers." Thesis, Sheffield Hallam University, 2009. http://shura.shu.ac.uk/7113/.

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Flexible pipes are commonly used for connecting seabed flow-lines to floating production facilities. The general riser design consists of an internal carcass for collapse resistance, a polymer fluid barrier, carbon steel interlocked circumferential pressure armour layer for resisting internal pressure loads, helically wound carbon steel tensile armour layers to resist axial loads and a watertight external sheath. Much of the analytical work that has been carried out on flexible composite pipe is based on the early stress analyses of wire ropes, and this is primarily because of the helical geom
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Johnson, Andrew. "Establishing design characteristics for the development of stab resistant Laser Sintered body armour." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/16743.

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Stab resistant body armour had been used throughout history, with examples ranging from animal hide construction to the moulded Polycarbonate units typically used by United Kingdom (UK) Police Officers. Such protective articles have historically, and continue to present a number of issues which have shown to impair the operational performance of its wearer including but not exclusive to poor thermal regulation, large masses, and reduced manoeuvrability. A number of developments have been made in an attempt to minimise the effects of such issues. One potential solution yet to be fully explored
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Fehmi, Jeffrey S. "Research note: A rock mulch layer supported little vegetation in an arid reclamation setting." TAYLOR & FRANCIS INC, 2017. http://hdl.handle.net/10150/627088.

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Adding a surface rock layer (also called rock armor or rock mulch) to constructed slopes improves erosion resistance but has had mixed effects on revegetation. This study investigated the effects of rock layer depth (no rocks, 10-, 15-, and 20-cm rock layers) and rock size (5-20cm diameter rocks) on vegetation cover. Seeding was applied four times in the first 2 years. After 3 years, plots with a rock layer averaged 7% vegetative cover compared to 85% on plots without a rock layer. There was a nonsignificant trend toward less vegetation with a deeper rock layer.
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Dedeoglu, Mehmet Rifat. "An Experimental Study On The Stability Of Eastern Black Sea Coastal Highway Defense Structures." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/4/1088178/index.pdf.

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Coastal regions are extensively utilized by constructing coastal structures and facilities, as a result of the economical potential they offer. In designing and construction of coastal structures, it is important to achieve an optimum design satisfying both the stability and the engineering economy requirements effectively, regarding the natural balance of the coastal region. In this study, first step model tests on the stability of the coastal protection structures of Eastern Black Sea Highway Project under construction, proved that the structure is not stable and safe under severe wave actio
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Hinton, Darren D. "Complexity of Bed-Load Transport in Gravel Bed Streams: Data Collection, Prediction, and Analysis." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3384.

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Bedload transport has long been known for its complexity. Despite decades of research, significant gaps of understanding exist in the ability to assess and predict bedload movement. This work introduces a comprehensive bedload database that is a compilation of field samples collected over the past 40 years; compares prediction formulae using a subset of the database; evaluates the influence of the armor layer on stream response to sediment input based on a hypothesis linked to one of the tested formulae, presents a mathematically manipulation of the empirical Pagosa Good/Fair formula for bedlo
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Novák, Jan. "Měření dynamických charakteristik zpětných armatur." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318147.

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Master thesis presents overview of existing types of check valves, their features, uses and issue called "cracking". Experimental part of this thesis focuses on the lift and swing check valves. Results of the measurement are evaluated from non-stationary flow point of view by developing and analyzing static and dynamic characteristics. This thesis takes into account losses and dynamic effects as main viewpoints. Two methods for measuring non-stationary velocities are used. Direct method called Gibson and indirect method laser doppler anemometry. Goal of the master thesis is to increase underst
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Newberry, Simon David. "An experimental investigation into the influence of geometric properties and construction techniques on the packing density of rock armour layers for coastal engineering structures." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406440.

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Livres sur le sujet "Armour layer"

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Wolf, John R. Study of breakwaters constructed with one layer of armor stone; Detroit District. U.S. Army Engineer Waterways Experiment Station, 1989.

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Wees, Hans van. Citizens and Soldiers in Archaic Athens. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198817192.003.0004.

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A reconsideration of the precise nature and extent of the military obligations of citizens in classical Athens reveals that under Athens’ democratic regime these obligations were relatively limited and not systematically enforced. The relevant classical legislation, later historical tradition, and some contemporary archaic evidence are combined to show that in archaic Athens, by contrast, formal military obligations were more extensive and more stringently enforced, but applied only to the leisured elite. The bulk of the working population was also obliged to serve, but only in ‘general levies
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Chapitres de livres sur le sujet "Armour layer"

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van Gelderen, Peter, and Stephen Auld. "Innovative technique for single layer armour unit placement." In Coasts, marine structures and breakwaters: Adapting to change. Thomas Telford Ltd, 2010. http://dx.doi.org/10.1680/cmsb.41301.0037.

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Phillip, Besley, and Michel Denechere. "Single layer armour systems - toe, crest and roundhead details." In Coasts, marine structures and breakwaters: Adapting to change. Thomas Telford Ltd, 2010. http://dx.doi.org/10.1680/cmsb.41301.0011.

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Verma, V. K., and V. Narayanamurthy. "Calibration of Impact Penetration Model for Bi-layer Ceramic–Metal Armour." In Advances in Applied Mechanics. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0472-9_32.

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Latham, John-Paul, and Jiansheng Xiang. "Application of the finite-discrete element method to dynamic stress development in armour units and armour layers." In Coasts, marine structures and breakwaters: Adapting to change. Thomas Telford Ltd, 2010. http://dx.doi.org/10.1680/cmsb.41301.0023.

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Wang, Tao, and Xingnian Liu. "The Breakup of Armor Layer in a Gravel-Bed Stream with No Sediment Supply." In Advances in Water Resources and Hydraulic Engineering. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-89465-0_161.

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Woodland, Sarah, and Kamarra Bell-Wykes. "Ilbjierri Theatre Company: Health Education Works (2006–2019)." In First Nations Australian Theatre for Health Equity. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-65506-7_2.

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AbstractThis chapter describes Ilbijerri Theatre Company’s health education theatre productions from 2006 to 2019, led by Kamarra Bell-Wykes (co-author) in her role first as writer and later dramaturg, facilitator, and director. These works sat under Ilbijerri’s Social Impact stream as separate from their mainstage productions and were funded by various state and philanthropic bodies to deliver health education and promotion around specific issues affecting Aboriginal and Torres Strait Islander communities: Chopped Liver (2006–2009; 2017), Body Armour (2010–2013) and Viral – Are You the Cure?
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Amira, Hassouna, and Salah Mezlini. "Ballistic Impact Response of Multi-Layers Armors Against Piercing Projectile: Finite Element Modeling." In Proceedings of the Second International Conference of Innovative Textiles and Developed Materials-ITDM’2; 05-06 May 2023; Tunisia. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7950-9_8.

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de Oliveira Braga, Fábio, Pedro Henrique L. M. Lopes, Fernanda Santos da Luz, Édio Pereira Lima, and Sergio Neves Monteiro. "Influence of the Areal Density of Layers in the Ballistic Response of a Multilayered Armor System Using Box-Behnken Statistical Design." In The Minerals, Metals & Materials Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72484-3_59.

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Evans, Dorinda. "7. The Death and Legacy of a Maverick Artist." In William Rimmer. Open Book Publishers, 2022. http://dx.doi.org/10.11647/obp.0304.07.

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The concluding chapter weighs Rimmer's recognition or historical status at the time of his death and now. His first biography, written by someone who did not know him –Truman H. Bartlett – has had a disproportionate impact on how he is seen, even today. That is, his sheer originality – attested to by students as well as contemporaries – has been largely overlooked or misunderstood. The fact that he critiqued neoclassicism has been lost. So has his strong spiritual orientation and his emphasis, in teaching and in his own work, on imagination and self-expression. Despite his attachment to subjec
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Dunster, J. A., A. R. Wilkinson, and N. W. H. Allsop. "9. Single layer armour units." In Design of Breakwaters. Thomas Telford Publishing, 1988. http://dx.doi.org/10.1680/dob.13513.0012.

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Actes de conférences sur le sujet "Armour layer"

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Azevedo, Ana, Angel Miranda-Vicario, Frederik Coghe, and Filipe Teixeira-Dias. "Numerical Investigation of a Shock-Absorbing Layer for a Ballistic Helmet Capable of Stopping Rifle Projectiles." In Personal Armour Systems Symposium. Royal Military Academy (Belgium), 2025. https://doi.org/10.52202/078352-0012.

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Kalter, M., P. Hank, D. Pertsch, R. Mönikes, and F. M. Jakobs. "Development of a New Type of Laser Protection Glasses for Aviation Crews: Results of Combining Absorptive and Reflective Filters." In Personal Armour Systems Symposium. Royal Military Academy (Belgium), 2023. https://doi.org/10.52202/080042-0047.

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Manes, Andrea, and Marco Giglio. "A Numerical Optimization of Lightweight Multilayer Armour." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10263.

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Aim of the paper is to present a validated numerical methodology for the optimization of a multilayer armour. The optimization is intended to warrant the same ballistic capability (of a monolithic ballistic steel plate) with respect to a small caliber AP bullet but with a reduction in weight. The use of aluminium and composite layers has been considered. An advanced but efficient numerical methodology is proposed and validated against experimental data from the literature and from tests carried out by the authors. Although the methodology is not directly applied to a specific helicopter frame,
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Skilbred, Ellen Synnøve, Signe Aarthun Lootz, and Roy Johnsen. "Hydrogen Embrittlement Susceptibility of Steel Armor Wires for Flexible Pipes." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14489.

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Abstract Flexible pipes are frequently used both as flowlines and risers in the oil and gas industry. A flexible pipe has a complex structure consisting of layers of polymer and metallic materials. The armor wire layers – shielded with polymer materials from seawater on the outside and well fluid on the inside – are the load and pressure bearing parts. Due to diffusion from the well fluid and/or damage of the outer polymer layer, the annulus can be water-filled, and armor wire can corrode. In this work, the susceptibility to hydrogen embrittlement (HE) with the presence of atomic hydrogen due
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Ottesen-Hansen, Eigil, Marie Haahr, Jonas Gudme, and Adam Rubin. "Fatigue Life of Flexible Pipe Armour Wires in Air, Deaerated Seawater, and Sour Environment." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05717.

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Abstract A flexible pipe consists of multiple unbonded layers. The annulus, between inner liner and outer sheath, consists primarily of pressure and tensile armour wires. These wires are made of carbon steel, which are cold rolled to pre-determined dimensions. The fatigue life of the whole pipe is to a large extent determined by the fatigue life of the tensile armour wires. Fatigue testing has been done by dynamic, deflection-controlled, 4-point-bending, which is a reliable method to generate S-N curves where a multitude of wire samples over several stress ranges are tested. Tests have been do
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Krestan, J., R. Ridky, S. Rolc, and J. Buchar. "EFFECT OF THE PROJECTILE IMPACT POSITION ON THE BALLISTIC EFFICIENCY OF THE COMPOSITE ARMOUR." In 34th International Symposium on Ballistics. Destech Publications, Inc., 2025. https://doi.org/10.12783/ballistics25/37243.

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The extensive numerical simulations of the ballistic efficiency of the armours against to the projectile 14.5 mm x 114 API/B32 were performed. The armours were made from the add-on ceramic armour composed from alumina ceramic pellets on a layer of aramid laminate placed on UHSLA steel plate base armour. The projectile striking velocity was chosen to be 911 m/s. The effect of impact position and effect of adhesive properties were investigated. The numerical simulation was performed for both single impact and multihit. Result of numerical simulation were compared with real terminal ballistic exp
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de Schoesitter, Philippe, Sarah Audenaert, Leen Baelus, et al. "Feasibility of a Dynamically Stable Rock Armour Layer Scour Protection for Offshore Wind Farms." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24426.

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Armour layer scour protections around offshore wind turbine foundations are commonly designed to provide a static protection in storm conditions, which means no or limited movement of rock is allowed (Den Boon et al., 2004, De Vos et al., 2011). This approach often results in large stone sizes and high scour protection costs. Therefore, a dynamic approach can be an interesting alternative. Such a dynamic design can be achieved by decreasing the armour stone size allowing movement of the stones and increasing the armour layer thickness to prevent filter layer exposure. A physical test program w
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Reedijk, Bas, Markus Muttray, Arnoud van den Berge, and Richard de Rover. "EFFECT OF CORE PERMEABILITY ON ARMOUR LAYER STABILITY." In Proceedings of the 31st International Conference. World Scientific Publishing Company, 2009. http://dx.doi.org/10.1142/9789814277426_0278.

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de Rover, Richard, Henk Jan Verhagen, Arnoud van den Berge, and Bas Reedijk. "BREAKWATER STABILITY WITH DAMAGED SINGLE LAYER ARMOUR UNITS." In Proceedings of the 31st International Conference. World Scientific Publishing Company, 2009. http://dx.doi.org/10.1142/9789814277426_0279.

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Thompson, Alex C., and Hans F. Burcharth. "Stability of Armour Units in Flow Through a Layer." In 19th International Conference on Coastal Engineering. American Society of Civil Engineers, 1985. http://dx.doi.org/10.1061/9780872624382.176.

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Rapports d'organisations sur le sujet "Armour layer"

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Decroux, Agnes, Kassem Kalo, and Keith Swinden. PR-393-205100-R01 IRIS X-Ray CT Qualification for Flexible Pipe Inspection (Phase 1). Pipeline Research Council International, Inc. (PRCI), 2021. http://dx.doi.org/10.55274/r0012068.

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There are several techniques available to inspect single wall carbon steel pipelines including; Magnetic flux leakage (MFL), ultrasonic testing (UT), Electro-Magnetic Acoustic Transducer (EMAT), Phased Array, guide wave testing (GWT), etc. However, for more complex structures such as flexible pipelines the technology available to inspect them is far more limited. PRCI commissioned a program (SPIM 2-1) under the Subsea TC (2017-2020) to evaluate all known and suspected technologies that could be used to provide a detailed subsea inspection of a flexible riser. PRCI produced four samples of flex
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Haakonsen, Rune. PR-576-163705-R01 Qualification and Guideline of Inspection Technologies for Flexible Pipe Integrity. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011741.

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This report summarizes the SPIM-2-1 project with testing of tools and technologies for flexible pipe inspection. The objective of the project is to provide a quantitative assessment of the capabilities of available flexible pipe inspection technologies to detect relevant defects in flexible pipe armour layers. This objective is met by the following project activities: - Identifying existing inspection technologies and vendors/service providers - Mapping inspection technologies - detection capabilities - vendors - Inviting selected vendors and RFI - Define test sample requirements - Procure tes
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Pirie, Douglas, Bradd Schwichtenberg, Thomas J. Bender, Jeff Wiggin, George Young, and Jack McKellar. Design Guidance for Selectively Placed Quarrystone Revetment Armor Layers. Defense Technical Information Center, 1996. http://dx.doi.org/10.21236/ad1003870.

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Melito, Ivano, and Jeffrey A. Melby. Wave-Induced Runup and Overtopping Transmission for Core-Loc(TM) Armor Layers. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada383460.

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Wolf, John R. Study of Breakwaters Constructed with One Layer of Armor Stone, Detroit District. Repair, Evaluation, Maintenance and Rehabilitation Research Program. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada212631.

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