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Application Note Bridges
Bridge Instrumentation and Structural Health Monitoring A successful requires execution. Bridge-monitoring Program planning, design and appropriate To fully meet the objectives of such a program, special attention must be given to the specificities of each bridge throughout this process. The primary function of monitoring is to ensure the longevity and safety of a bridge as well as optimizing its management. To implement corrective measures and maintenance actions, monitoring must enable the timely detection of any condition or behavior that could deteriorate the bridge, deem it unsafe or potentially result in its failure. The monitoring program plays a fundamental role during the construction phase as it enables the verification of design hypotheses and construction processes, affecting, in some cases, the construction rate of the bridge and its overall quality. Most defects are already introduced at the time of construction. Monitoring also allows performance evaluation of new materials and technologies used in bridge cons truction and rehabilitation. This objective is easily achieved with fiber optic sensors, since these sensors effectively integrate in new materials such as fiberreinforced polymer composite. Furthermore, fiber optic sensors adapt perfectly to long-term monitoring of bridges behavior as well as short-term monitoring of the brid ges dynamic behavior under traffic load. Finally, monitoring can be used as a tool for the “supervised lifetime extension” of bridges approaching the end of their life or in need of major repair. It ensures that such bridges are operated safely while allowing the postponement of major investments and traffic disruptions. Esplanade Riel – Canada – Courtesy of GPP Architecture Krk Bridge – Croatia APPLICATION NOTE Typical Bridge Instrumentation using Fiber Optic Sensors Continuous Beam Bridge Arch Bridge Cable Stayed Bridge Suspended Bridge Sensors and Sensors’ Topologies SOFO Dynamic — real-time dynamic monitoring (in C.M.P) SOFO Standard Sensor — average strain monitoring SOFO Bridge (in C.M.P) and full thermocouples integration Pairs of crossed SOFO Standard Sensors — average shear strain monitoring ADAM Modules (in I.C.B.) — 3DeMoN GPS Monitoring System Pairs of parallel SOFO Standard Sensors — average curvature monitoring SOFO Inclinometer — absolute rotation 3DeMoN Laser Monitoring System Software SOFO SDB Basic Software — management, scheduling and data collection Chains of parallel SOFO Standard Sensors — deformed shape of beams and distribution of relative displacements perpendicular to beam SOFO View Software — visualization and export in forms of tables, diagrams, images and web site, setting warning SOFO Compatible Thermocouple — temperature monitoring Sensors Installation Kits — for concrete, steel, composite surfaces SOFO Pro Software — quasi-real time data pre-analyzing, concrete behavior simulation, complex parameters calculus Intermediate Connection Boxes (I.C.B.) — centralization and connector protection for group of sensors SOFO SPADS — curvature automatic analysis, deformed shape automatic analysis, data export Extension Multifiber Cables — to connect group of sensors (linked to connection boxes) with remote reading unit Services Central Measurement Point (C.M.P.) Reading Units Engineering — support on selection of monitoring strategy including sensors’ configuration, performances and feasibility study SOFO V Reading Unit — quasi-static, automatic, remote, scheduled monitoring in Central Measurement Point — C.M.P. On-Site Support — during installation of equipment The product line is designed based on the following measurement technologies: Long base Interferometric fiber optic sensors – SOFO Fiber Bragg Grating sensors (FBG) – MuST Autonomous GPS Receivers – 3DeMoN Distributed fiber optic Brillouin analyser – DiTeSt Fabry-Pérot fiber optic sensors (SFO-W) – Sensoptic Vibrating wire sensors (EM Series) – Sensonic Electrical sensors including resistive, inductive, potentiometric, magnetoresistive types and LVDT Also available as application notes Bridge Project References Salzachbruecke Mittersill – Austria Schladming Bridge – Austria Pont canal – Belgium Alexandra Bridge – Canada Alexandria Bridge – Canada Champlain – Canada Esplanade Riel – Canada Jacques-Cartier – Canada (picture 1) Joffre – Canada Laviolette – Canada Pont de l’Ile d’Orléans – Canada South Perimeter Bridge – Canada Turcot Bridge – Canada Peldar – Colombia Vecchio – Corsica (picture 2) Krk Bridge – Croatia Alexandre III – France Bourgogne – France Elorn – France Pont d’Aquitaine – France Pont de Normandie – France Terenez – France Viaduct Millau – France Baiersdorf Road Bridge – Germany (picture 3) Lehrter Bahnhof Berlin – Germany Amedeo VIII Bridge – Turin – Italy Cable Stayed Bridge on Dora River – Turin – Italy Cable Stayed Bridge on Adige River – Trento – Italy Colle Isarco – Italy Venice – Porto Marghera – Italy (picture 4) Pont Adolphe – Luxembourg Tampico – Mexico Corgo viaduc – Portugal Giurgeni – Romania Bolshoi Moskvoretskiy Bridge – Russia Matarossa – Spain Arsta Bridge – Sweden Göeta Bridge – Sweden Traneberg Bridge – Sweden (picture 5) Felsenau Viaduct – Bern – Switzerland Lully – Switzerland Lutrive – Switzerland Moesa – Switzerland Paudeze – Switzerland Siggenthal – Switzerland Thielle Bridge – Switzerland Vaux – Switzerland Venoge – Switzerland Versoix – Switzerland Viaduct Riccio – Manno – Switzerland (picture 6) Ke-Ya Bridge – Taiwan Shu-Yu Bridge – Taiwan Dona Ana Bridge – New Mexico USA I10 – Las Cruces – USA I35-W – USA Moristown – USA Rio Puerco – USA Wotton – USA Instrumentation of Storage Facilities Instrumentation of Nuclear Power Plants Instrumentation of Historical Monuments Cliff Instrumentation Tunnel Instrumentation Mine Instrumentation Dam Safety and Monitoring Instrumentation And more 1 2 3 4 5 6 Roctest Ltd. Telemac SAS 665 Pine Avenue Saint-Lambert, QC J4P 2P4 CANADA 10, avenue Eiffel 77220 Gretz-Armainvilliers FRANCE Phone 1-450-465-1113 Toll Free 1-877-ROCTEST Fax 1-450-465-1938 Phone Fax +33.1.64.06.40.80 +33.1.64.06.40.26 Email Web info@telemac.fr www.roctest-group.com Email Web info@roctest.com www.roctest-group.com ••• Smartec SA Via Pobiette 11 CH-6928 Manno SWITZERLAND Phone Fax +41 91 610 1800 +41 91 610 1801 Email Web smartec@smartec.ch www.roctest-group.com APN-BISHM-AN-2011-11-2000
