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Auswahl der wissenschaftlichen Literatur zum Thema „Shark Bay World Heritage Site“
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Zeitschriftenartikel zum Thema "Shark Bay World Heritage Site"
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Taylor, S. M., C. B. Smallwood, C. J. Desfosses, K. L. Ryan und G. Jackson. „Corroborating catch estimates to inform monitoring of a small-scale marine recreational fishery in a World Heritage property“. ICES Journal of Marine Science 78, Nr. 5 (01.06.2021): 1887–99. http://dx.doi.org/10.1093/icesjms/fsab095.
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Abstract Obtaining accurate estimates of catch can be challenging for small-scale recreational fisheries. Using inner Shark Bay as a case-study, we investigated whether a state-wide phone-diary (PD) survey could provide robust estimates of boat-based fishing effort and catch (kept and total) of pink snapper (Chrysophrys auratus) and grass emperor (Lethrinus laticaudis). Estimates were compared with those from concurrent surveys for two spatial scales corresponding to the fishery and the three pink snapper stocks within the fishery. A supplementary access point (SAP) survey incorporated remote camera data and interviews with fishers at boat ramps. An aerial survey was used to adjust the SAP estimates, accounting for catches from boat fishers launching from remote beaches (SAP_Aerial). The SAP survey provided the most precise estimates but underestimated catches for one of the stocks. Estimated fishing effort from the SAP_Aerial survey was comparable to the PD survey (3% lower) for inner Shark Bay, as was the estimated kept catch of pink snapper (7% lower) and these estimates were considered robust (Relative Standard Error < 40% and sample size ≥ 30). In contrast, estimates of the total catch of pink snapper and the catch (kept and total) of grass emperor from the PD survey were consistently lower. While the on-site surveys generally provided robust estimates of catch for each stock, most PD estimates were not robust at this scale. The SAP_Aerial survey is considered to be the most appropriate for ongoing monitoring because it provides robust estimates for the spatial scales examined. However, estimates of catch from periodic PD surveys for the entire fishery could be adjusted using the on-site data to provide the stock-specific information required for ongoing assessments of sustainability. Our study demonstrates that corroborative studies assist in monitoring recreational fisheries.
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Hardman, Blair, und Dorian Moro. „Importance of diurnal refugia to a hare-wallaby reintroduction in Western Australia“. Wildlife Research 33, Nr. 5 (2006): 355. http://dx.doi.org/10.1071/wr05088.
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In an effort to learn more about the potential for reintroduction of hare-wallabies to sites in Australia, 34 captive-bred hare-wallabies were released onto Peron Peninsula within the Shark Bay World Heritage Property in 2001 as part of an experimental reintroduction program. One objective of this experiment was to characterise their behaviour and daytime refugia to identify suitable habitat for future releases. The mala (Lagorchestes hirsutus) and merrnine (Lagostrophus fasciatus) were fitted with radio-transmitters and tracked daily. Merrnine were more faithful to a previously occupied shelter than mala. Mala maintained a solitary daytime habit at all times. Within the study area, mala preferentially sought low-lying vegetation primarily comprising the species Lamarchea hakeifolia, which provided dense cover up to 1 m in height, under which they constructed scrapes. L. hakeifolia was preferred as shelter vegetation instead of Triodia (spinifex) hummocks, despite Triodia hummock habitat being preferred by mala in central Australia. Merrnine occupied taller vegetation with an open understorey to 1.5 m, although the extremity of the understorey remained dense at this height. Individual merrnine sometimes sheltered with conspecifics of the opposite sex. Since both species utilised floristically and structurally variable vegetation, we suggest that they have the ability to cope with vegetation that has been altered by changes in fire regimes and introduced herbivores. This is particularly important for future reintroduction exercises as the results suggest that vegetation characteristics required to support these species, particularly mala, may be variable rather than limited to perceived necessary habitat types in central Australia or on islands. These results should allow future reintroduction projects to consider a wider range of release-site options during their planning phase.
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Borsa, Philippe, Martine Cornaille und Bertrand Richer de Forges. „Shark culling at a World Heritage site“. Nature 620, Nr. 7976 (29.08.2023): 950. http://dx.doi.org/10.1038/d41586-023-02697-0.
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Preen, A. R., H. Marsh, I. R. Lawler, R. I. T. Prince und R. Shepherd. „Distribution and Abundance of Dugongs, Turtles, Dolphins and other Megafauna in Shark Bay, Ningaloo Reef and Exmouth Gulf, Western Australia“. Wildlife Research 24, Nr. 2 (1997): 185. http://dx.doi.org/10.1071/wr95078.
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Strip-transect aerial surveys of Shark Bay, Ningaloo Reef and Exmouth Gulf were conducted during the winters of 1989 and 1994. These surveys were designed primarily to estimate the abundance and distribution of dugongs, although they also allowed sea turtles and dolphins, and, to a lesser extent, whales, manta rays and whale sharks to be surveyed. Shark Bay contains a large population of dugongs that is of international significance. Estimates of approximately 10000 dugongs resulted from both surveys. The density of dugongs is the highest recorded in Australia and the Middle East, where these surveys have been conducted. Exmouth Gulf and Ningaloo Reef are also important dugong habitats, each supporting in the order of 1000 dugongs. The estimated number of turtles in Shark Bay is comparable to the number in Exmouth Gulf plus Ningaloo Reef (7000–9000). The density of turtles in Ningaloo Reef and, to a lesser extent, Exmouth Gulf is exceptionally high compared with most other areas that have been surveyed by the same technique. Shark Bay supports a substantial population of bottlenose dolphins (2000–3000 minimum estimate). Exmouth Gulf and Ningaloo Reef were not significant habitats for dolphins during the winter surveys. Substantial numbers of whales (primarily humpbacks) and manta rays occur in northern and western Shark Bay in winter. Ningaloo Reef is an important area for whale sharks and manta rays in autumn and winter. The Shark Bay Marine Park excludes much of the winter habitats of the large vertebrate fauna of Shark Bay. In 1989 and 1994, more than half of all the dugongs were seen outside the Marine Park (57·4 and 50·7%, respectively). Approximately one-third to one-half of turtles and dolphins were seen outside the Marine Park (in 1989 and 1994 respectively: turtles, 43 and 27%; dolphins, 47 and 32%). Almost all the whales and most of the manta rays were seen outside the Marine Park. Expansion of the Shark Bay Marine Park, to bring it into alignment with the marine section of the Shark Bay World Heritage Area, would facilitate the appropriate management of these populations. This would also simplify the State– Commonwealth collaboration necessary to meet the obligations of World Heritage listing. The coastal waters of Western Australia north of the surveyed area (over 6000 km of coastline) are relatively poorly known and surveys of their marine megafauna are required for wise planning and management.
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McGuiness, Vanessa, Kate Rodger, Joanna Pearce, David Newsome und Paul F. J. Eagles. „Short-stop visitation in Shark Bay World Heritage Area: an importance–performance analysis“. Journal of Ecotourism 16, Nr. 1 (14.07.2016): 24–40. http://dx.doi.org/10.1080/14724049.2016.1194850.
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Wise, B. S., C. F. Telfer, E. K. M. Lai, N. G. Hall und G. Jackson. „Long-term monitoring of boat-based recreational fishing in Shark Bay, Western Australia: providing scientific advice for sustainable management in a World Heritage Area“. Marine and Freshwater Research 63, Nr. 11 (2012): 1129. http://dx.doi.org/10.1071/mf12054.
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Effective management of a recreational fishery must include long-term monitoring programs that allow determination of trends in temporal and spatial variability of catch and effort data. Such monitoring becomes of inherently greater importance when managing a recreational fishery in a World Heritage Area, such as Shark Bay, Western Australia. Between 1998 and 2010, 11 12-month bus-route surveys of boat-based recreational fishing were undertaken at three key boat ramps in Shark Bay. These surveys demonstrated that, in response to the progressive implementation of new management measures, the estimated annual recreational fishing-boat effort decreased by 46%. As a consequence, the estimated annual retained and released catches of the key species, pink snapper (Pagrus auratus), declined and the proportions of the catches of this species that were released each year increased. Annual catches of other species also declined, however, the composition of species retained and released each year varied. The study demonstrated that monitoring of the recreational fishery within Shark Bay provided both immediate and longer-term data on the responses by recreational fishers to changes in management. This produced the information necessary to assess the effectiveness of management measures that were introduced and to modify these as required.
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Wyatt, Alex S. J., Chad L. Hewitt, Di I. Walker und Trevor J. Ward. „Marine introductions in the Shark Bay World Heritage Property, Western Australia: a preliminary assessment“. Diversity and Distributions 11, Nr. 1 (Januar 2005): 33–44. http://dx.doi.org/10.1111/j.1366-9516.2005.00109.x.
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Christensen, Joseph, und Roy Jones. „World Heritage and local change: Conflict, transformation and scale at Shark Bay, Western Australia“. Journal of Rural Studies 74 (Februar 2020): 235–43. http://dx.doi.org/10.1016/j.jrurstud.2019.11.017.
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Statton, John, Kingsley W. Dixon, Renae K. Hovey und Gary A. Kendrick. „A comparative assessment of approaches and outcomes for seagrass revegetation in Shark Bay and Florida Bay“. Marine and Freshwater Research 63, Nr. 11 (2012): 984. http://dx.doi.org/10.1071/mf12032.
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Here, we review the literature to evaluate seagrass revegetation projects focussed on Posidonia australis and Amphibolis antarctica, the main affected species in Shark Bay in the World Heritage Area in Western Australia, together with projects from Florida Bay, an analogous system with a long history of seagrass revegetation. We assessed the effectiveness of anchoring planting units, plant-unit density and size on planting-unit survival. We found no positive trends in our assessment, suggesting that there is no discrete technique, approach or technology that could be used with confidence to deliver cost-effective, scalable revegetation. Of concern was that revegetation success was evaluated over comparatively short time frames (1–3 years), driven by the strict time frames or deadlines of governing grant funding and commercial activities, leading to concerns that long-term revegetation outcomes may be difficult to assess with confidence. Several factors influenced revegetation outcomes which were grouped into three ‘filter’ categories; abiotic, biotic and socioeconomic. We recommend that future revegetation programs involving seagrass have greater emphasis on understanding how these filters act independently or collectively to drive successful revegetation as well as developing cost-effective, proven and scalable technology supported by longer-term monitoring to ensure revegetation programs do achieve the desired ecological outcomes.
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Olson, Erica L., Anne K. Salomon, Aaron J. Wirsing und Michael R. Heithaus. „Large-scale movement patterns of male loggerhead sea turtles (Caretta caretta) in Shark Bay, Australia“. Marine and Freshwater Research 63, Nr. 11 (2012): 1108. http://dx.doi.org/10.1071/mf12030.
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Large marine vertebrates are particularly susceptible to anthropogenic threats because they tend to be long-lived, late to mature and wide-ranging. Loggerhead sea turtles (Caretta caretta) are characterised by such life history traits and are listed as ‘Endangered’ by The World Conservation Union. Although juvenile movements and at-sea behaviour of adult females are relatively well studied, little is known about the movements of males and their subsequent exposure to threats. Shark Bay, Western Australia, is home to the largest breeding population of loggerhead turtles in Australia. We assessed the large-scale movements of nine adult male loggerhead turtles, with the goal of aiding conservation and management policies. During 7 months outside the breeding season, all nine turtles stayed within the Shark Bay World Heritage Area, with most showing fidelity to small coastal foraging areas. Several turtles, however, showed relatively large movements between core foraging areas. None of the four turtles that continued transmitting through the breeding season exhibited obvious movements towards nesting beaches, suggesting that mating may occur on foraging grounds or that males are not mating every year. Quantifying male loggerhead movements assists conservation planning by identifying biologically relevant spatial scales at which research and management strategies should be designed.
Dissertationen zum Thema "Shark Bay World Heritage Site"
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Christensen, Joseph. „Shark Bay 1616-1991 : the spread of science and the emergence of ecology in a World Heritage area“. University of Western Australia. School of Humanities, 2008. http://theses.library.uwa.edu.au/adt-WU2009.0029.
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Shark Bay is an extensive marine embayment located on the central coast of Western Australia that is recognised as a World Heritage Property on the basis of the Outstanding Universal Value of the natural environment of the region. This thesis examines the history of science at Shark Bay between the arrival of the first European explorers in the seventeenth century through to the official recognition of Shark Bay as a World Heritage Area in 1991. Each of the seven chapters is devoted to a different period in the development of scientific investigations, beginning with Dutch and English mariners and naturalists, passing on to French scientific explorers and British surveyors naturalists, and explorers, continuing through a variety of investigations in marine science and research in biogeography and evolution carried out by foreign expeditions and Australian field-workers, and culminating in the transformation of scientific investigations as a result of the rise and development of modern ecological science in the second half of the twentieth century. This development of science at Shark Bay is considered in light of existing frameworks for the development or spread of science in Australia, and in relation to current literature concerning the development or emergence of ecology in Australia. After evaluating the history of science at Shark Bay relative to existing knowledge of the spread of science and the emergence of ecology, the thesis concludes by proposing a new framework for the development of science and the emergence of ecology based on the experience at Shark Bay and with wider application to the history of science in Western Australia.
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Commander, Lucy. „Seed biology and rehabilitation in the arid zone : a study in the Shark Bay world heritage area, Western Australia“. University of Western Australia. School of Plant Biology, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0091.
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Research into seed biology and restoration ecology of areas disturbed by mining is crucial to their revegetation. Shark Bay Salt, a solar salt facility in the Shark Bay World Heritage Area in Western Australia has several areas of disturbance as a result of 'soil borrowing'. Soil from these areas termed 'borrow pits' was used to create infrastructure such as the roads and embankments surrounding the evaporation ponds. Many of the pits contain little to no vegetation after >10 years since disturbance ceased, hence research into their restoration is now essential. A vegetation survey at the site established the key species in the undisturbed vegetation, and investigated the vegetation in borrow pits subject to natural migration and topsoil replacement. The vegetation communities in the borrow pits were vastly different to those in the undisturbed vegetation, highlighting the need for research into revegetation. An investigation into the use of 'borrowed' topsoil on a small scale showed that seedling recruitment from 'borrowed' topsoil was generally similar in the donor site (natural vegetation) and the borrow pits. Due to the absence of topsoil for further revegetation, it was necessary to understand seed germination and dormancy characteristics to establish seed pre-treatments prior to seed broadcasting and seedling (greenstock) planting. An investigation into seed germination and dormancy characteristics of 18 common species revealed that most species germinated equally well at 26/13oC and 33/18oC, however seven species had improved performance at 26/13oC. Untreated seeds of seven species exhibited high germination. Seeds of two species had low imbibition, which increased with hot-water treatment, and hence require scarification for germination. Germination of seeds of three species substantially increased with gibberellic acid (GA3), smoke water (SW) and karrikinolide (KAR1, a butenolide isolated from smoke). Seeds of the remaining six species had low germination regardless of treatment. As a result, species were classified as likely to be non-dormant (44%), physiologically dormant (44%) or physically dormant (11%). Physiological dormancy of three species was at least partly alleviated by dry afterripening, whereby moisture content of seeds was adjusted to 13% or 50% equilibrium relative humidity and seeds were stored at 30oC or 45oC for several months. All iv after-ripening conditions increased germination percentage and rate of two species with one only germinating when treated with GA3 or KAR1. The germination of the third species was dependent on after-ripening temperature and seed moisture content.
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Chapman, Kelly J. „Outcomes of a participatory approach to interpretive planning in the Shark Bay World Heritage area, Western Australia“. Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2004. https://ro.ecu.edu.au/theses/813.
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This thesis examines a participatory approach to interpretive planning, employed in the Shark Bay World Heritage Area, Western Australia. At the project outset relations between the conservation agency responsible for administering World Heritage and the local community were strained, and complicated by a history of conflict over the World Heritage listing and subsequent management of the area. A participatory approach to interpretive planning was adopted in the hope that doing so would achieve the following: improved relations between polarised stakeholder groups, increased community support for the plan and its implementation, and improved access to the variety of knowledge pools within the Shark Bay community. Effectively ongoing and integrating the interests of the area's polarised stakeholders meant that their social, political, organisational and disciplinary divisions had to be overcome. To do this, a novel participatory interpretive planning method was developed using action research. This method employed a combination of techniques, including a modified Delphi Technique based on indepth interviews, key informants, and direct prolonged emersion of the researcher in the community. The practical results of the project were the production of a stakeholder-derived communications strategy and interpretive plan for the World Heritage Area. These products embodied the collective social, cultural, economic and environmental interests of Shark Bay stakeholders, and included agreed-upon objectives, messages, stories for representing Shark Bar to the outside world. The participatory planning process also resulted in a number of instrumental and transformative outcomes including: surfacing of latent community issues, quieting of dominant rhetoric, identification of common values among stakeholders, collection of knowledge from multiple sources and contexts, equalisation of power between community segments, empowerment of marginalised community members, creation of social capital, and generation of support and commitment to plan implementation. In addition, the study demonstrated that participatory processes are vulnerable to cooption and manipulation by powerful stakeholders, and that the success of such processes relies more on the creation of trusting relationships (i.e. social capital) between stakeholders and facilitators than on the application of formulaic group techniques used to garner public input. With respect to interpretive planning, this project showed how a participatory approach to interpretive planning can be used as an ethical means to develop multiple narratives for interpretation that are just and legitimate representations of the community’s interests and stories. Other implications of this project, particularly in relation to the creation of social capital and horizontal and vertical relationships between community and agency groups, indicate that participatory interpretive planning can be used as an intervention in situations where conservation initiatives have resulted in conflict with local communities. Positive change is achieved through the creation of a common platform of values, mutual understanding and knowledge, from which further dialogue and reciprocal cooperation can take place. The evidence presented suggest that the stakeholder-centred approach to interpretive planning used in Shark Bay may form a useful basis for collaborative environmental management in a range of contexts and landscapes where new conservation initiatives are being contemplated. Lessons learned through application of this novel approach to interpretive planning may prove useful to interpretive professionals, environmental managers, governments and businesses attempting cross-disciplinary integration of multiple stakeholder interests.
Bücher zum Thema "Shark Bay World Heritage Site"
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Museum, Western Australian, Hrsg. A biological survey of Faure Island, Shark Bay World Heritage property, Western Australia. Perth, W.A: Western Australian Museum, 2007.
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Casini, Lorenzo. Cultural Sites Between Nationhood and Mankind. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198825210.003.0011.
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The chapter explores the legal regime that currently addresses cultural heritage sites. It analyzes the complex relationships between local, national, and universal community interests in cultural heritage sites, and how law can address such relationships, by focusing on the regime that is based on the 1972 UNESCO World Heritage Convention (WHC). The WHC is a system of complex interactions between state and global authorities, where states choose to bring in international regulators, but then find themselves having ceded significant regulatory authority to the latter who invoke community interests. Once a site is added to the WHC list, the interests at stake transcend national borders and an international arena has been established: This will allow foreign actors—or even domestic actors who do not share local or national communities—to monitor and to act against states’ policies that may affect the preservation of cultural heritage.
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Labay, K. World Heritage Site, Kluane, Wrangell-St. Elias, Glacier Bay, Tatshenshini-Alsek = Bien Du Patrimonie Mondial, Kluane, Wrangell-St. Elias, Glacier Bay (Scientific Investigations Map). Geological Survey (USGS), 2004.
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Achmadi, Amanda, Paul Walker und Soon-Tzu Speechley, Hrsg. Architectural Encounters in Asia Pacific. Bloomsbury Publishing Plc, 2024. http://dx.doi.org/10.5040/9781350421394.
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Architectural Encounters in Asia Pacificexplores the architecture of colonial trade and industry, revealing a complex network of transnational connections across the built heritage of the world’s most dispersed and culturally diverse region. A wide-ranging collection of case studies uncover these forgotten connections, drawing together stories of migratory architects, imperial commodities, and indentured labour. From Iran to Tasmania, Japan to Java, and Imperial China to the Pacific Islands, the chapters reveal how remnants of colonial trade and industry shed light on the many multi-faceted mobilities of the imperial age, and their enduring legacy in the postcolonial built environments of Australasia, the Pacific, Southeast Asia and beyond. The chapters also reveal deep strands of cultural influences and material imprints long neglected by national histories of architecture, and showcase new methodologies to analyse the interconnectivities and bordering practices which are shaping our experiences of the 21st century. With almost every chapter arising from new archival sources, this richly interdisciplinary volume brings together the work of architectural historians, geographers and heritage practitioners to provide a new understanding of the rich and contested history of this region. This book illuminates a new geography of architectural histories through explorations of intracolonial encounters and exchanges across Asia Pacific (1800s-1940s). It reveals a complex field of transnational connectivity manifest in the built environments across of the world’s most disperse and culturally diverse region. Buildings for industry, agriculture, and trade in Australia, the Pacific and South-East Asia share an important but forgotten history of encounter, exchange, and influence. Industrial heritage is also under-represented in World Heritage lists, with the Asia Pacific region poorly represented and global connections between industrial sites insufficiently understood. This book addresses these research gaps by examining unprecedented buildings for trade and industrial-scale resource extraction across Asia-Pacific’s multiple colonial entities and their successor nation-states. The various chapters collected in this book help uncover these forgotten connections, drawing together stories of migratory architects, imperial commodities, and indentured labour. They reveal how remnants of colonial trade and industry shed light on the many multi-faceted mobilities of the imperial age, and their enduring legacy in the postcolonial built environments of Australasia, the Pacific, Southeast Asia and beyond. They reveal the deep strands of cultural influence and material imprints long neglected by national histories of architecture. They also showcase new methodologies to analyse the dialectics of interconnectivity and bordering practice that are shaping our experiences of the 21st century. This richly interdisciplinary volume brings together the works of architectural historians, architects, and heritage practitioners to provide a holistic view of the rich and contested architectural and urban history of this region.
Buchteile zum Thema "Shark Bay World Heritage Site"
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Claudino-Sales, Vanda. „Shark Bay, Australia“. In Coastal World Heritage Sites, 303–8. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1528-5_44.
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Konjevic, Nikola, Goran Radovic und Antonije Djukic. „Impact of the COVID-19 Pandemic on Transition in Tourism in the Example of Kotor“. In International Thematic Monograph: Modern Management Tools and Economy of Tourism Sector in Present Era, 213–26. Association of Economists and Managers of the Balkans; Faculty of Tourism and Hospitality, Ohrid, North Macedonia, 2022. http://dx.doi.org/10.31410/tmt.2022-2023.213.
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In early 2020, the world faced a global crisis caused by COVID-19 (Coronavirus Disease 2019). Both as an economic activity and observed through the correlation of relationships and phenomena that arise when foreigners are travelling and staying at a place, tourism felt the most consequences of the pandemic. The crisis also affected Montenegro, where tourism is a strategic economic sector. To analyse the consequences of the crisis, this paper reviews the example of Kotor, a site included in the UNESCO World Cultural Heritage List, together with the Bay of Kotor and the Bay of Risan. The authors aim to determine the changes in the volume and structure of tourists before and after the pandemic, as well as the gravity areas and countries of origin. In addition, this paper will present the results of the survey "Study of Kotor's Identity in Crisis" carried out in cooperation with the Tourist Organization of Kotor in 2021 and 2022.
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Nordman, M., A. Peltola, M. Bilker-Koivula und S. Lahtinen. „Past and Future Sea Level Changes and Land Uplift in the Baltic Sea Seen by Geodetic Observations“. In International Association of Geodesy Symposia. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/1345_2020_124.
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Abstract We have studied the land uplift and relative sea level changes in the Baltic Sea in northern Europe. To observe the past changes and land uplift, we have used continuous GNSS time series, campaign-wise absolute gravity measurements and continuous tide gauge time series. To predict the future, we have used probabilistic future scenarios tuned for the Baltic Sea. The area we are interested in is Kvarken archipelago in Finland and High Coast in Sweden. These areas form a UNESCO World Heritage Site, where the land uplift process and how it demonstrates itself are the main values. We provide here the latest numbers of land uplift for the area, the current rates from geodetic observations, and probabilistic scenarios for future relative sea level rise. The maximum land uplift rates in Fennoscandia are in the Bothnian Bay of the Baltic Sea, where the maximum values are currently on the order of 10 mm/year with respect to the geoid. During the last 100 years, the land has risen from the sea by approximately 80 cm in this area. Estimates of future relative sea level change have considerable uncertainty, with values for the year 2100 ranging from 75 cm of sea level fall (land emergence) to 30 cm of sea-level rise.
Konferenzberichte zum Thema "Shark Bay World Heritage Site"
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Dupleix, Joakim. „Bach Dang cable-stayed bridge – Underslung form traveller“. In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0969.
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<p>The Bach Dang Bridge forms part of the Ha Long – Hai Phong Highway in Vietnam. It will help cut 50km from the journey between Hanoi and the Ha Long Bay UNESCO world heritage site. The focal cable-stayed section of the bridge will consist of two main spans of 240 m. The tallest of the three towers will reach a height of almost 100 m.</p><p>The construction technique used for the cable-stayed section is to cast 9.6 m-long and 28 m-wide concrete segments in situ, using an underslung form traveller (FT) which is launched to the next position once the segment is cast.</p><p>The FT has been designed by the Technical Centre of specialist contractor VSL. Its weight is minimised by using the stay cable as a support at the front of the traveller. The stay cable is connected to the FT by precasting the anchor block and securing it to the FT. This innovation was previously, successfully used by VSL on the Ironton-Russell project in the USA. Besides, the formwork system has been mechanised to be easily collapsed from one segment to the next.</p><p>This paper discusses the design of this innovative construction technique and how it was used on this major bridge project in Vietnam.</p>