Issue 1 November 2001 Newsletter
Total Page:16
File Type:pdf, Size:1020Kb
Issue 1 November 2001 newsletter supported by the DG Research of the European Union www.samco.org Structural Assessment Monitoring and Control content Building the SAMCO Network Structural Assessment, Monitoring and It is intended to keep this network as g Building the SAMCO Control has gained importance in our open as possible to enable interested Network complex technical environment. The parties to join and contribute, but in page 1 European Union appreciates the particular benefit from the activities. The annual workshops will provide a good g development and supports activities in Samco Kick-Off these fields for the benefit of society. forum for discussion and new relations. Meeting in Assisi The invitation to join is open to anybody The SAMCO Network is established to page 2 worldwide. Just send an e-mail to concentrate the knowledge and to [email protected], with your co-ordinates, g stimulate further development. A In Preparation: and we will keep you informed. SAMCO Database database is being created to provide raw You are invited to join this network as a page 3 data, free of charge, to researchers and a help desk will exist to answer queries member, which will provide you with free g News of the on the subject. The End Users Forum access to all the available information, Profession & Practice will help to bridge the gap between the contacts to the key European players in page 3-4 developers and users of new this field and the chance to participate in future research projects. This invitation g technologies in the field. Ambient Vibration targets owners of structures, as well as The purpose of this letter is to attract Testing of Europa- operators, maintenance crews, your interest in becoming a member of Bridge with BRIMOS consultants, designers and teachers. this Network. Details about the network g Risk Management of can be found enclosed with this letter or Your Network Co-ordinator Latent Defects at the web page http://www.samco.org. Helmut Wenzel g A Glance at the World page 4-5 g Earthquakes happen eyerywhere and any time SAMCO offers g Bridge Collapses – A short review of the last you for free: 5 months g Company Profile g Raw data page 6 g Benchmark tests g VCE g New codes and g News in Brief standards page 7 g Centre of knowledge g SAMCO Quiz page 7 g State of the art technology g Notable Dates page 8 published by PAGE 1 SAMCO Newsletter Issue 1 November 2001 SAMCO Kick-Off Meeting in Assisi th On the 5 of October the participants of FE FIAT Engineering SpA SAMCO met at the Kick-Off Meeting in GEOCISA Geoctecnica y Cimientos, Assisi, Italy. S.A. 1997 a momentous earthquake took TRL TRL Limited place in Assisi claiming many victims. RAMBOLL Ramboll, Hannemann & Against this historical background the Hojlund A/S conference venue Assisi gave SAMCO SPEA Spea Ingegneria Europea S.p.A. and thus the Kick-Off Meeting a spezial relevance. 26 Participants of 19 different AUTOS Autostrade Concessioni e organisations coming from 10 different Construzioni Autostrade S.p.A. countries joined the meeting. Following the partners presentations, many other essential items were Initially the coordinator outlined the discussed. For example, the members of motivation, history and all aspects of the the Steering Committee have been practical work of SAMCO. Next a decided. The Steering Committee will be presentation was devoted to special responsible for the scientific, networking sections of the SAMCO network, with and dissemination progress in the consideration of the expected Network. development. The session was continued with the partners presentation. The The selection of members has also been following partners presented their discussed in depth. According to an organisations and their prospective scope agreement with the Scientific Officer, 25 of duties within SAMCO: members should be selected within the first 3 months of the contract (before VCE Vienna Consulting Engineers Christmas). Holding GmbH Furthermore the establishment of a AUTH Aristotle University of summer academy was discussed, which Thessaloniki Research Committee looks like an attractive chance to generate JRC Joint Research Centre of the additional funds for the Network. It was European Commission expressed that there seems to be a EMPA Swiss Federal Laboratories for demand for education in the field of the Materials Testing and Research network, which comes from practising UNIPV Universita Degli Studi Di Pavia engineers in particular. BRE Building Research Establishment Other items, like the establishment of the Limited database, the setting-up of the End User LCPC Laboratoire Central des Ponts et Forum, the organisation of the thematic Chaussees groups and the possibilities of international collaboration, were BAM Federal Institute for Materials discussed as well. An introduction was Research and Testing also given to the benchmark tests and a BYTP Bouygues Travaux Publics complete overlook on the activities of the LMS LMS International NV bridge management. DMI Danish Maritime Institute Although many issues could only be Arsenal Österreichisches Forschungs- touched on briefly, the Meeting contributed nevertheless, to a mood of und Prüfzentrum Arsenal GesmbH enthusiasm for the project. The Meeting BAST Bundesanstalt für Straßenwesen of Assisi was concluded with the motto: SAMCO is a chance. Let`s take it! © VCE PAGE 2 SAMCO Newsletter Issue 1 November 2001 In Preparation: “Samco Database”! One of the essential targets of Samco is have the possibility to strengthen a information can be gathered in greater the distrubution of data and information technological approach through reference depth. An important criterion for the data about methodologies, projects and tests in projects and demonstration cases in the providers is the possibility to define the the area of structural assessment, database. On the other hand End Users will degree of “sensitivity” of their data: monitoring and control. To achieve this goal be able to obtain an overview of the latest public and free of charge, purchased or a common database will be established, state of the art technology. Research under certain conditions or only by which will provide an overall view of the communities, which will be able to draw raw authorisation from the user. activities and the available data in this field. data free of charge, will also benefit from Through an extendable structure, the The database will not only provide raw data the database. database will be open to further partners, of benchmark and laboratory tests, but also Preparation works have already begun and in order that it´s continuation can be documentation, state of the art reports, the prototype of the database is expected to guaranteed. examples and references, and useful links be implemented in January. However, the collection of the data and hints. But who will benefit from it? With The database will have an open structure requires the definition of certain criteria the help of this database, practising with the possibility for everyone to easily for the selection of relevant data and the engineers, for example, will be able to access data. Of course the structure of the definition of uniform standards. This will compare methodologies. They will even database will be layered so that be the task for the coming weeks! News of the Profession & Practice Ambient Vibration Testing of Europa-Bridge with BRIMOS The dynamic investigation of the rimos is a method of system B Europa bridge focused essentially on the identification and damage detection for following points: bridges and other important structures. The system is based on measurements Determination of current status of of the dynamic characteristics of fundamental natural frequencies and structures due to ambient vibrations. comparison of the results with the cal- Beside the measurements analytic culated frequencies (system dynamic calculations are carried out. identification). Measurements using very sensitive Determination of measured mode accelerometers lead to the natural shapes of the structural system and frequencies, mode shapes and damping identification of possible differences to values of a structure and make system the predicated shapes. identification and structural integrity Determination of the damping ratios of assessment possible. Comparison of the the system. results gathered by using this method Assessment of the vibration intensity with those of parallel performed bridge with regard to fatigue problems and inspections help to recognize valuable possible damage. information provided by the method. Due to the ambient acceleration VCE also used this method in 1997 to measurements and their analyses the assess the famous Europa Bridge in system behavior could be determined. By Tirol, Austria, assigned by the interpretation of the Alpenstraßen AG. measurements and comparison with the Europa Bridge was built between 1959 computer simulations the and 1963 as the tallest steel box-girder system identification could be bridge in Europe. 820m in length, it is the determined. largest construction on the Kufstein- Brenner Motorway. An important Contact European road traffic connection. 190m above ground, it spans the so called Helmut Wenzel Wipptal within the Alps. Vienna Consulting Engineers [email protected] 190.0 V 128.0 657.0 © VCE PAGE 3 SAMCO Newsletter Issue 1 November 2001 Risk Management of Latent Defects Latent defects in buildings form a As it is essential to receive as broad a considerable fraction of instances of response as possible, the questionnaires disagreement and often litigation between are not electronic and will need to be varying parties. UK Government initiatives received by BRE before the end of have set out to reduce this but the overall November. If you would like to contribute experience of latent defects is not well information, but do not wish to complete a understood, in particular the risk questionnaire, then please e-mail your management options available. A project contribution to Anna Kingsmill-Vellacott at has been set up to help develop the address shown.