000019660 001__ 19660
000019660 005__ 20170118182330.0
000019660 04107 $$aeng
000019660 046__ $$k2017-01-09
000019660 100__ $$aCastellano, Maria Gabriella
000019660 24500 $$aFluid Viscous Dampers of the Izmit Bay Bridge, Turkey: Design Requirements and Full-Scale Testing

000019660 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000019660 260__ $$b
000019660 506__ $$arestricted
000019660 520__ $$2eng$$aThe Izmit Bay Bridge is a 3020m long cable suspension bridge, located at the eastern end of the Sea of Marmara, Izmit, Turkey. The bridge consists of a steel box girder deck sustained by cables and 2 towers made of stiffened steel plate (252m height). The restrained system for seismic, wind actions and traffic loads is provided by 7 fluid viscous dampers; 3 for the transition spans (Fmax=5000kN, stroke ±500mm and maximum velocity 1.25m/s) and 4 for the main suspended span with Fmax=5000kN, stroke ±2m and maximum velocity 2m/s, resulting the biggest hydraulic devices ever built with 13.5m pinto-pin length. This paper presents a description of the full-scale type tests conducted at FIP Industriale Test Laboratories on two viscous dampers (one of each type) to confirm the compliance with the European Standard EN15129 and the contract specifications. A series of dynamic tests were performed in order to verify the force vs. velocity constitutive law and to evaluate the dynamic stiffness and damping characteristics of the units, at the entire temperature range of 10°C/+80°C. The experimental results demonstrated a very stable behavior at any velocity up to 2m/s, througout the temperature range, guaranteeing the damping capacity reliability and satisfying all requirements.

000019660 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000019660 653__ $$aviscous damper, seismic protection, dynamic testing, cable suspended bridges

000019660 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000019660 720__ $$aCastellano, Maria Gabriella$$iInfanti, Samuele$$iVarotto, Daniele$$iBorella, Rudy$$iPassiglia, Daniela$$iPigouni, Aikaterini E.$$iFetti, Massimo
000019660 8560_ $$ffischerc@itam.cas.cz
000019660 8564_ $$s1136569$$uhttps://invenio.itam.cas.cz/record/19660/files/4116.pdf$$yOriginal version of the author's contribution as presented on USB, paper 4116.
000019660 962__ $$r16048
000019660 980__ $$aPAPER