Sculptural Bridge in Abu Dhabi
Is it the Tivoli Gardens' latest roller-coaster, a sculpture, sand dunes in the Arabian desert or the design for a new bridge? The Sheikh Zayed Bridge in Abu Dhabi, in the United Arab Emirates, is a project of unusually challenging proportions
Iraqi-born architect Zaha Hadid – renowned for pushing the limits of architectural design - is the woman behind the Sheikh Zayed Bridge in Abu Dhabi. Some of her best-known projects are the mind zone for the Millennium Dome in London's Greenwich area in 1999 and a ski-jump in Innsbruck, Austria in 2001. And she will undoubtedly make her mark again with her design for the extension to Denmark's Ordrupgaard Museum in northern Zealand.
An unusual bridge
Her special architectural design for the bridge in Abu Dhabi makes for a challenging assignment and certainly one of COWI's more unusual bridge projects. The bridge that will link Abu Dhabi Island with the mainland, including Dubai and the international airport, is shaped like a gigantic sculpture snaking between the lanes of traffic and features extreme proportions in concrete and steel.
"It is certainly not a standard bridge design," explains COWI project manager Henrik Andersen. "The advanced geometry of the steel arches and the solid concrete piers made it necessary to develop a highly detailed computer model of the bridge in order to determine its behaviour."
COWI has been hired by the Works Department in Abu Dhabi to independently check that the design of the bridge fulfils the design requirements. To this end, the bridge engineers have used the Integrated Bridge Design and Analysis System (IBDAS) program developed by COWI.
COWI uses IBDAS in all major bridge design projects, including Denmark's Great Belt and Øresund bridges and the Stonecutters Bridge in Hong Kong. Unique to this program is that 3D analysis models can be developed based on detailed geometric models of the bridge – including arches and girders.
In addition, the program features a wide range of analysis procedures for verification of the effects of e.g. earthquakes, strong winds, ship collisions and heavy traffic crossing the bridge.
Adds Henrik Andersen: "When it comes to bridge design, IBDAS is probably the leading software in the world – and one of the reasons why this project was awarded to us. On the computer we can build the bridge more or less as we expect it to look in reality. It is a very effective tool."
FAKTA
The Sheikh Zayed Bridge
The Sheikh Zayed Bridge will be the third bridge to the island on which Abu Dhabi is situated. The highway bridge will have four lanes, an emergency lane and a pedestrian walkway in each direction.
The bridge is about 68 metres in width and 842 metres in length, with a central steel arch span of 234 metres. The central pier alone contains enough concrete to cover a football pitch to a height of five metres. The steel arch cross-sections are up to 6 x 8 metres. The bridge is due for completion in 2006.
Zaha Hadid
53-year-old Zaha Hadid is an architect with an individuality that attracts attention. Startlingly designed rooms and surprising angles characterise her designs. Examples of her work have been exhibited at the Venice Architecture Biennial, and she has received numerous awards and won competitions around the world. In May 2004 she became the first woman to win the prestigious Pritzker Architecture Prize.
Zaha Hadid's projects cover a wide field. At present she is working on a ferry terminal for the Italian city of Salerno, a plaza in Barcelona, the Guangzhou Opera House in China and an extension to the Price Tower arts centre in Bartlesville, USA. She is based in London.
Lightweight sandwich panel construction per european standard
this European standard was approved on June 2009. it covers lightweight double skin metal faced insulating sandwich panels for facade, roof cladding with core of PU, rockwool.
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Taylor & Francis | ISBN: 0415368642 | 2008-11-24 | PDF | 264 pages | 6Mb
Practising engineers on site, in the design office or in client organizations will find this book an excellent introduction to the design and construction of sprayed concrete lined (SCL) tunnels. The complex behaviour of the early age behaviour of the sprayed concrete requires careful management. This book covers all aspects of SCL tunnelling - from the constituents of sprayed concrete to detailed design and management during construction. Although there is a close interdependence between all the facets of sprayed concrete, few engineers have the right breadth of experience and expertise, and this urgently needs to be transferred to the wider engineering community. Disseminating essential information for tunnelling engineers, "Sprayed Concrete Lined Tunnels" is key reading for all involved in or studying the process.
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Product Description:
A descriptive, elementary introduction to geotechnical engineering - with applications to civil engineering practice. *focuses on the engineering classification, behavior, and properties of soils necessary for the design and construction of foundations and earth structures. *introduces vibratory and dynamic compaction, the method of fragments, the Schmertmann procedure for determining field compressibility, secondary compression, liquefaction, and an extensive use of the stress path method.
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The Manager's Guide to Health and Safety at Work
Kogan Page Ltd | ISBN: 0749444959 | November 3, 2005 | PDF | 336 pages | 5 MB
Health and safety at work is, for many managers, a difficult subject. As well as being steeped in law, it requires a broad knowledge of many disciplines, such as psychology, engineering, chemistry, ergonomics and medicine, each of them a subject in their own right. Now in its eighth edition, this practical guide unravels the legal complexities and explains how to establish systems and procedures for effective health and safety management in any type of organization. Fully revised, it includes important information on new areas, including risk management, record keeping standards, HSE management standards and the Disability Discrimination Act 1995. Filled with expert knowledge, this popular book continues to provide hands-on, jargon-free advice for all levels of management. "A Manager's Guide to Health and Safety at Work" is an invaluable guide for any manager or student of the subject.
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Handbook for Process Plant Project Engineers by Peter Watermeyer
Handbook for Process Plant Project Engineers by Peter Watermeyer
Publisher: Wiley | October 4, 2002 | ISBN: 1860583709 | Pages: 326 | PDF | 3.4 MB
This excellent book systematically identifies the issues surrounding the effective linking of project management techniques and engineering applications. It is not a technical manual, nor is it procedure-led. Instead, it encourages creative learning of project engineering methodology that can be applied and modified in different situations. In short, it offers a distillation of practical ‘on-the job’ experience to help project engineers perform more effectively. While this book specifically addresses process plants, the principles are applicable to other types of engineering project where multidisciplinary engineering skills are required, such as power plant and general factory construction.
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Fracture and flow of rocks under stress and their geophysical and seismological implications raise fundamental questions in rock mechanics, particularly in the areas of tectonophysics and seismology. This text exclusively addresses the deformation and fracture of rock specimens under general triaxial compression, in which all three principal stresses are different; which significantly affects the ultimate strength of rocks. It moreover deals with deformation and failure folloiwng intermediate principal stress in graphic and numerical form. The effect of the intrinsic features of rock masses of inhomogeneous or anisotropic structure are taken into account, as are acoustic emission phenomena in rocks under various stress states. Friction in rocks, measured by a newly-designed shear-testing machine, is discussed in relation to earthquake phenomena.
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