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Littérature scientifique sur le sujet « Underwater construction – History »

Auteur : Grafiati
Publié le 10 mars 2023
Mis à jour le 11 mars 2023

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Articles de revues sur le sujet "Underwater construction – History"

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Reyff, James A. « A brief history of underwater construction noise ». Journal of the Acoustical Society of America 141, no 5 (mai 2017) : 3846. http://dx.doi.org/10.1121/1.4988574.

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Fedorovich, M. O., et A. Yu Kosmacheva. « COMPUTER MODELING OF THE SAND BODIES DEPOSITIONAL HISTORY OF THE MIDDLE JURASSIC PETROLEUM PLAY (BY THE EXAMPLE OF THE GERASIMOVSKOE FIELD, WESTERN SIBERIA) ». Geology and mineral resources of Siberia, no 4 (2020) : 8–13. http://dx.doi.org/10.20403/2078-0575-2020-4-8-13.

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The present paper describes the DIONISOS software package (Beicip-Technologies), where the reconstruction of the accumulation conditions and facies modeling of sand reservoirs Yu10, Yu9, Yu8, Yu7 and Yu6 of the Tyumenskaya Formation and carbonaceous-clay members acting as fluid seals within the Gerasimovskoye oil and gas condensate field located in the south of the Parabel district of the Tomsk region. Reconstructions of facies environments make it possible to consistently restore conditions and create a general principled model of the accumulation of sandy-argillaceous deposits of the Middle Jurassic PP in a given territory. Polyfacies deposits of the Bajocian are represented by sands of distributaries and stream-mouth bars, underwater slope of delta, above-water and underwater delta plains, argillaceous-carbonaceous sediments of floodplain lakes, bogs, marshes and lagoons, clays formed at the border of the above-water and underwater deltaic plains, silt deposits of above-water and underwater delta plains, prodelta clays. As a result of the 3D facies model construction, it is shown that the subcontinental sedimentary environments of sand reservoirs Yu10–Yu8 are replaced by deltaic and floodplain-lacustrine-boggy ones, and the formation of Yu7–Yu6 reservoirs occurs in conditions of coastal plain, periodically flooded by the sea. In total, 5 lithotypes of sand deposits have been identified, 1 – argillaceous-carbonaceous, 2 – argillaceous and 1 – silty. Computer facies 3D modeling of the sand bodies assemblage (hydrocarbon reservoirs) of the Bajocian age for the Gerasimovskoye oil and gas condensate field has been performed.
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Meijer, Fik, et André Wegener Sleeswyk. « On the construction of the ‘Syracusia’ (Athenaeus V. 207 A-B) ». Classical Quarterly 46, no 2 (décembre 1996) : 575–78. http://dx.doi.org/10.1093/cq/46.2.575.

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It is perhaps significant that one of the more informative texts on ancient shipbuilding predates the period in which Greco-Roman shipping flourished. It is Homer's description of how Odysseus built a ship () on the island of the nymph Calypso, with which he intended to return to his native island of Ithaca (Od. 5.244–57). The text is of exceptional interest because it gives as early as the eighth century B.C. a stepby- step description of the tenon-and-dowel ‘shell-first’ method typical of Greco- Roman ship-building, which has been so amply confirmed in the last few decades by underwater archaeology in the Mediterranean.
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Ivce, Renato, Matej Grubiša et Darijo Mišković. « Protection Coatings for the Underwater Part of Ship’s Hull ». Journal of Maritime & ; Transportation Science 55, no 1 (janvier 2018) : 59–70. http://dx.doi.org/10.18048/2018.00.04.

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In this article authors present a general consideration of the underwater part of ship’s hull protection by protective coatings, paying particular attention to antifouling paints. Following the presentation of the importance of ship’s hull maintenance and protection in order to make navigation safer and to keep the ship in operation for as long as possible, a summary is made of the main types of antifouling products used throughout the history up to the present time. As far back as a thousand years BC, people had developed techniques to protect objects from falling into disrepair and understood the importance of preserving construction materials in order to prolong their useful life and value. Marine industry has been developing day by day and attention is increasingly focused on the safety of ships and crews, as well as on the protection of marine environment. Tin-free self-polishing copolymer (SPC) and foul release technologies are currently applied, in addition to many alternative solutions being suggested. Modern approaches to effective environment-friendly antifouling systems and their performance are highlighted.
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Omar, Priyanka, MVN Siva Kumar et Subbarao Yarramsetty. « Management of Various Safety Parameters in Tunnel Construction : A Critical Review ». E3S Web of Conferences 170 (2020) : 06003. http://dx.doi.org/10.1051/e3sconf/202017006003.

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Population is growing rapidly and so are vehicles on roads. This leads to enormous need of tunnels and subways for easy locomotion and mobilization. From conventional tunnels, for sewage and water facilities to modern electrified tunnels, for mass transit and underwater highways, method of construction of a tunnel to its safety inspection and maintenance has taken a wide leap. Tunnel construction requires wide range of resources like human, technology, machinery, materials, energy, and finance. To handle all these resources simultaneously becomes complex and requires good management. Even with good management, accidents and hazards might occur. A critical review of various safety parameters while constructing a tunnel and its management is presented in this paper. This review paper discusses the history of safety of tunnels till present safety measures and techniques adopted around the world for different tunnels; various critical factors which affect the safety in tunnels; the extent of damage occurring due to these factors; numerous preventive measures which are adopted around the world to prevent loss of property and lives in tunnels; and advanced technology and software, which are being used in modern era to enhance safety in tunnel construction. The study from manual horse drawn-tramway to autonomous robotic system has been done. This paper also considers various tunnels around the world and gives a summary of factors for safety focused on for making these tunnels, with its adopted remedy.
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Alhourani, Abdulla, Mohammad Nazzal et Basil Darras. « Submerged Friction Stir Back Extrusion of AZ31 Magnesium Alloy ». Key Engineering Materials 933 (17 octobre 2022) : 78–87. http://dx.doi.org/10.4028/p-9i4odm.

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Friction Stir Back Extrusion (FSBE) is a new grade of severe plastic deformation process capable of producing metallic tubular geometries that exhibit ultrafine grain structure and superior mechanical properties. FSBE of tubular sections provide opportunities for producing lightweight rigid structures for the automotive, aerospace and construction industries. This research investigates the effect of submerging conditions (in water at 25 °C and 2 °C) for Magnesium AZ31-B tubes on the grain size, mechanical properties, temperature history and power consumption. Submerged FSBE is compared to FSBE in air at fixed process parameters of 90 mm/min and 2000 rpm. It is shown that the impact of submerging is statistically insignificant in terms of the mechanical properties, ultimate tensile strength and percent elongation, of the produced tubes according to the conducted t-tests. On the other hand, the optical microscopy results indicated finer grains at the inner wall of the seamless tubes for FSBE in air and underwater FSBE at 25 °C when compared to underwater FSBE at 2 °C.
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Carrick, F., H. Peereboom et G. Thompson. « Success of Enclosures Featuring Innovative Design Features for Public Display of Platypuses. » Australian Mammalogy 20, no 2 (1998) : 300. http://dx.doi.org/10.1071/am98301.

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The history of public displays of platypuses has often not been a happy one for the platypuses concerned; however, there are also some examples of success. Although other approaches to keeping platypuses in captivity have been developed, most of the interesting things which platypuses do occur underwater, and a properly designed and engineered structure provides the opportunity for much larger numbers of people to see platypuses than in open situations. The construction of displays at Brisbane Forest Park and Fleay's Wildlife Park incorporates several innovative features, but at least as importantly, a management approach which fundamentally allows the platypus to come and go from the display area as it pleases, has been implemented. There are now several years experience with these facilities and the successful maintenance of their residents.
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Chapuis, Robert P., Jacques Lavoie et Doris Girard. « Design, construction, performance, and repair of the soil–bentonite liners of two lagoons ». Canadian Geotechnical Journal 29, no 4 (1 août 1992) : 638–49. http://dx.doi.org/10.1139/t92-071.

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A sand–bentonite mix was used to form the liner of four lagoons for the La Tuque and Haute-Mauricie sewage water treatment project. This paper describes the site conditions, design, and construction of the lagoons. Since the results of the control tests on the sand–bentonite were satisfactory, it was expected that the liner would be as impervious as it was designed to be. Such control tests, however, provide local values that can give only an indirect prediction of the waterproofing of each lagoon. The global performance was evaluated in 1988, after filling the lagoons, by comparing their leakage rates with the design theoretical values. The performance of two of the lagoons was satisfactory, whereas the two other lagoons lost 10 times more water than the maximum leakage rate allowed in the specifications. An analysis of the various factors influencing the global performance is developed to explain these contradictory performances, which cannot be explained by the usual deterministic method used in design. The paper demonstrates how to analyze the graph of the total leakage rate of a lagoon to determine where the main hydraulic defects are located and whether or not they are deteriorating. Several techniques for repairing the lagoons were considered and are described. The technique selected was the underwater injection of a bentonite slurry of adequate viscosity. Repairs were successfully completed during the summer of 1989. Key words : impervious liner, soil, bentonite, permeability, case history.
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Nikolić, Marko, et Jelena Šćekić. « Cultural and natural heritage of Djerdap : Lost history or potential for sustainable development ? » Arhitektura i urbanizam, no 55 (2022) : 24–37. http://dx.doi.org/10.5937/a-u0-37943.

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The Roman Limes, the former natural border of the Roman Empire, has been recognized as a cultural landscape with exceptional universal values of international importance by the relevant organization for the protection of cultural and natural heritage - UNESCO. The Danube River is an integral part of the Roman Limes, a testimony to the culture and traditions of the peoples who lived on the banks of the Danube, as well as cultural heritage in general. Within the part of the Danube River that passes through the Republic of Serbia, the Djerdap segment stands out. It includes sites of different historical periods (prehistoric, ancient and medieval) and is significant cultural heritage on an international level. However, most of the sites are underwater as a result of the construction of the Djerdap Hydroelectric Power Plant. Consequently, insufficient access to its cultural heritage has led to its insufficient presentation and promotion, but also a lack of information about the existence of the cultural heritage. Therefore, the main goals of this paper are to spread knowledge about Djerdap's cultural and natural heritage, to promote its importance, to identify potential for integrating the cultural heritage into contemporary trends through the affirmation of cultural routes, and to establish sustainable development of the cultural landscape. The results of the research are presented through an urban architectural project that represents the sublimation of critical attitudes formed with regard to the protection, presentation and promotion of cultural heritage. The project draws from a literature analysis, case studies and examples of good practice relevant to the research. The expected results of the research include raising awareness of the importance of Djerdap's cultural heritage through promoting a cultural route and forming a potential model for the use of its cultural heritage in the process of establishing sustainable development of the cultural landscape.
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Soma, Katrine, Peter Verweij, Elesiër Angel et María A. Naranjo. « Inclusiveness in the Caribbean-Locals’ Perceptions about Nature, Tourism and Recreation in Bonaire ». Sustainability 14, no 21 (30 octobre 2022) : 14167. http://dx.doi.org/10.3390/su142114167.

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The economies of small tropical islands often benefit from large-scale tourism, attracted by the guarantee of beach facilities, sun and warmth, landscape beauty, and cultural and underwater life. While these are highly valued assets, it is unclear how local communities benefit from tourism, or how they perceive their natural environment, which has been the basis for their rich cultural history. Against this background, the main aim of this article is to investigate inhabitants’ perceptions about locals’ inclusiveness in tourism and recreation on a small island called Bonaire. A total of 400 households were interviewed during the period November 2021–February 2022. Inclusiveness in tourism and the welfare it brings are judged as low, based on the findings in this study. With a share of around 40% of the population of Dutch Caribbean islanders living in poverty, the challenge of inequality is urgent. While environmental degradation contributes to inequality, inequality can also contribute to environmental degradation. To reduce inequalities, while ensuring life below water and life on land, the handling of poverty is one of the most critical bottlenecks in this society.
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Thèses sur le sujet "Underwater construction – History"

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MEŠINOVIC, Sven Asim. « Die Eroberung der Meere : die Unterwasserlaboratorien Helgoland (BRD) und Tektite (USA) im Umweltdiskurs 1968-1973 ». Doctoral thesis, 2012. http://hdl.handle.net/1814/21394.

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Defence date: 23 March 2012; Prof. Dr. Sebastian Conrad (FU-Berlin) - Supervisor; Prof. Dr. Martin van Gelderen (EUI); PD. Dr. Sabine Höhler (Associate Professor, KTH, Schweden); Prof. Dr. Helmuth Trischler (Rachel-Carson Center, LMU München)
PDF of thesis uploaded from the Library digital archive of EUI PhD theses
The dissertation deals with a forgotten vision of the future from the 1960s: the construction of underwater habitats on the sea-floor. Between 1960 and 1980, 17 states built 60 stations on the seabed. Dealing with the underwater habitats Helgoland (Federal Republic of Germany) and Tektite (United States) the dissertation focusses on the links between underwater habitats and the debate on the "conquest" of the seabed, the international law debate of the sea-floor as a common good and the popular culture of settling the oceans. The history of underwater laboratories is a history of man´s adaptation to other atmospheres. The idea was to find out if and how long one can live in a habitat beneath the sea under different atmospheric pressures. Living in a habitat beneath the sea was also a possibility for marine biologist to carry out "in situ" studies. The habitats were also used to expose humans to different mixtures of gases: At the same time when these biologists were sitting in the habitat, medical studies were carry out on them to see how the human body can adapt to different atmospheres. Especially these questions were important for working out parameters for future space cabins. Therefore underwater laboratories reproduced the terrestrial atmosphere as a life-enabling system. The idea was not only to reproduce the same atmosphere as it is on the earth, the idea was to recreate an atmosphere which would enable human living. However, on the first aquanaut mission in the German underwater laboratory, problems such as ear infections (caused by the humid atmosphere) were observed in the aquanauts. Apparently, the idea of recreating an “environment” beyond the Earth entailed basic problems related to human adaptation. If our understanding of the environment is circumscribed within the biological, chemical and physical habitat of Man, the case study of the underwater laboratory then begs the question of how culture and Man’s nature interact, and is affected by habitat.
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Livres sur le sujet "Underwater construction – History"

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Impe, W. F. Van. Underwater embankments on soft soil : A case history. Boca Raton, FL : Taylor & Francis, 2007.

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Rogers, Fred. Historic divers of British Columbia : A history of hardhat diving, salvage and underwater construction. [Duncan, B.C : A.C. Rogers], 2003.

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Archäologie der Brücken : Vorgeschichte, Antike, Mittelalter, Neuzeit = Archaeology of bridges : prehistory, antiquity, Middle Ages, modern era. Regensburg : Verlag Friedrich Pustet, 2011.

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Byrd, Ty. The making of the Channel Tunnel : A chronicle of the financing, design and construction of the fixed link between Britain and France 1985-1994. London : Thomas Telford for the Institution of Civil Engineers, 1994.

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Komli︠a︡kov, V. A. Pervyĭ v Rossii zavod gidroakusticheskikh priborov. Sankt-Peterburg : Peterburgskiĭ gos. politekhnicheskiĭ universitet, 2006.

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Lorusso, Salvatore. La tutela e la valorizzazione dei manufatti di interesse storico in archeologia navale. Bologna : Pitagora, 2004.

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Flinders University. Dept. of Archaeology., dir. Australian built wooden sailing vessels of the South Australian intrastate trade. [Bedford Park, S. Aust.] : Department of Archaeology, Flinders University, 2007.

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Lorusso, Salvatore. La tutela e la valorizzazione dei manufatti di interesse storico in archeologia navale. Bologna : Pitagora, 2004.

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In Deep : The History of Global Diving & Salvage. Seattle, Washington : Documentary Media LLC, 2014.

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Pomey, Patrice. L' archéologie navale. Paris : Errance, 2005.

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Actes de conférences sur le sujet "Underwater construction – History"

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Cheung, Raymond W. M., Sam H. S. Liu, Gavin S. H. Toh, Steven Jenkins, M. K. Chong et Michael Chak. « Advanced Design and Construction of Marine Cut & ; Cover ELS Tunnel Cofferdam ». Dans The HKIE Geotechnical Division 42nd Annual Seminar. AIJR Publisher, 2022. http://dx.doi.org/10.21467/proceedings.133.2.

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The most challenging aspect of the CKR-KTW Contract is the construction of maximum 35m deep Underwater Tunnel (UWT) submerged in Kowloon Bay which is a typhoon shelter with marine constraints from several stakeholders such as Hong Kong China Gas requiring 60m wide navigation channel for refueling tankers, Kowloon City Ferry Pier (AMO Grade 2 Historic Structure) operations for public ferry service and the marine traffic impact to Kowloon Bay. To overcome the substantial adverse impact to the environment and marine traffic of Kowloon Bay area from the conforming scheme of full temporary reclamation, an optimized scheme was employed for the marine cut & cover ELS cofferdam using only partial temporary reclamation. The use of this advanced design and construction method not only provided robust structural design with water-tight cofferdam, it also resulted in substantially less cost, construction risks / time and reduced disturbance to marine environment and traffic at Kowloon Bay due to substantially less temporary reclamation required.
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Ma, Wentao, Timothy Ozenkoski et Kevin Wang. « A Computational Analysis of Bubble-Structure Interaction in Near-Field Underwater Explosion ». Dans ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-72854.

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Abstract Underwater explosion poses a significant threat to the structural integrity of ocean vehicles and platforms. Accurate prediction of the dynamic loads from an explosion and the resulting structural response is crucial to ensuring safety without overconservative design. When the distance between the explosive charge and the structure is relatively small (i.e., near-field explosion), the dynamics of the gaseous explosion product, i.e., the “bubble”, comes into play, rendering a multiphysics problem that features the interaction of the bubble, the surrounding liquid water, and the solid structure. The problem is highly nonlinear, as it involves shock waves, large deformation, yielding, contact, and possibly fracture. This paper investigates the two-way interaction between the cyclic expansion and collapse of an explosion bubble and the deformation of a thin-walled elastoplastic cylindrical shell in its vicinity. Intuitively, when a shock wave impinges on a thin cylindrical shell, the shell would collapse in the direction of shock propagation. However, some recent laboratory experiments have shown that under certain conditions the shell collapsed in a counter-intuitive mode in which the direction of collapse is perpendicular to that of shock propagation. In other words, the nearest point on the structural surface moved towards the explosion charge, despite being impacted by a compressive shock. This paper focuses on replicating this phenomenon through numerical simulation and elucidating the underlying mechanisms. A recently developed computational framework (“FIVER”) coupling a nonlinear finite element structural dynamics solver and a finite volume compressible fluid dynamics solver is used to complete this study. The solver utilizes an embedded boundary method to track the wetted surface of the structure (i.e. the fluid-structure interface), which is capable of handling large structural deformation and topological changes (e.g., fracture). The solver also adopts the level set method for tracking the bubble surface (i.e. the liquid-gas interface). The fluid-structure and liquid-gas interface conditions are enforced by constructing and solving one-dimensional multi-material Riemann problems, which naturally accommodates the propagation of shock waves across the interfaces. In this paper, mesh refinement study is made to examine the sensitivity of the results to various meshing parameters. The results show that the intermediate level of refinement is appropriate in terms of both the accuracy and the computation costs. Next, the deformation history of both the bubble and the structure are presented and analyzed to provide a detailed view of the counter-intuitive collapse mode mentioned above. We show that timewise, the structural collapse spans multiple cycles of bubble oscillation. Additional details about the time-histories of fluid pressure, structure displacement, and bubble size are presented to elucidate this dynamic bubble-structure interaction and the resulting structural failure.
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