Dynamic characterization of a 3-D full scale steel-concrete ...

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Table 9. Accelerometer type in every experimental configuration.LOCATION TYPE LOCATION TYPE LOCATION TYPEA0 PCB 393C B0 PCB 393C C0 PCB 393CA1 PCB 393B12 B1 PCB 393C C1 PCB 393CA2 PCB 393B12 B2 PCB 393C C2 PCB 393CA3 PCB 393B12 B3 PCB 393B12 C3 PCB 393B12A4 PCB 393B12 B4 PCB 393B12 C4 PCB 393B12A5 PCB 393B12 B5 PCB 393C C5 PCB 393CA6 PCB 393B12 B6 PCB 393C C6 PCB 393CA7 PCB 393C B7 PCB 393C C7 PCB 393CA8 PCB 393C B8 PCB 393C C8 PCB 393CA9 PCB 393C B9 PCB 393C C9 PCB 393CA10 PCB 393C B10 PCB 393C C10 PCB 393CA11 PCB 393C B11 PCB 393B12 C11 PCB 393B12A12 PCB 393C B12 PCB 393B12 C12 PCB 393B12A13 PCB 393C B13 PCB 393C C13 PCB 393CA14 PCB 393C B14 PCB 393C C14 PCB 393CA15 PCB 393C B15 PCB 393B12 C15 PCB 393B12A16 PCB 393C B16 PCB 393B12 C16 PCB 393B12A17 PCB 393C B17 PCB 393C C17 PCB 393CA18 PCB 393C B18 PCB 393C C18 PCB 393CA19 PCB 393C B19 PCB 393C C19 PCB 393CA20 PCB 393C B20 PCB 393C C20 PCB 393CA21 PCB 393C B21 PCB 393C C21 PCB 393CA22 PCB 393C B22 PCB 393C C22 PCB 393CB23 PCB 393C5.4 The recording systemThe recording system was based on a Personal Computer with a DAQ Analog/DigitalConverter. The data recording and saving steps are managed by NI-Labview tools. Theacquisition instrument set-up was made up of:• Coaxial Teflon Cable PCB mod. 003c03 for 393C accelerometer and Coaxial (RG58/U)Cable PCB mod. 012R10 for 393B12.• Extension cable, Coaxial (RG58/U), 50 ft, PCB mod. 012A50 to link the accelerometersand sledge hammer to the amplifiers.• 16-channel amplifier PCB mod. 584 with selectable voltage gain: 1÷100.• Two 6-channel amplifiers PCB mod. 494A06 with selectable voltage gain: 0.1÷100.• Coaxial Cable RG 174 to link amplifiers and connectors.• Three 8-channel National Instrument mod. BNC-2090 rack-mount analogue breakoutaccessories with BNC connectors for conditioning analogue signals.• PC fitted with a National Instrument DAQ module, mod. PCI-6031E.20
6 ConclusionsThis report has described the aims, procedures and execution of a series ofexperimental tests conducted on a full-scale 3D steel-concrete composite frame structuresubjected to pseudo-dynamic and cyclic testing at the European Laboratory for StructuralAssessment of the Joint Research Centre. Together with its annexes, it should provideresearchers with a thorough understanding of experimental data and enable formulation ofthe modal analysis of the full-scale steel-concrete composite frame. Nevertheless, it mustbe borne in mind that the accuracy of any dynamic model that can be formulated fromexperimental data is affected by the accuracy of the testing equipment.REFERENCES- Braconi, A., Bursi, O.S., Ferrario, F., Salvatore, W., 2003a. Seismic design of beam-tocolumnconnections for steel-concrete composite moment resisting frames. Proceedings ofthe Fourth International Conference STESSA 2003: Behaviour of Steel Structures inSeismic Areas. Naples, Italy.- Braconi, A., Caramelli, S., Cioni, P., Salvatore, W., 2003b. Earthquake-resistantcomposite steel-concrete frames: some constructional considerations. Proceedings of theInternational Conference on Metal Structures, ICMS 2003. University of Miskolc, Hungary.- Bursi, O.S., Lucchesi, D., Salvatore, W., 2003. Beam-to-column connections for steelconcretecomposite moment resisting frame designed for ductility class H. Proceedings ofthe Ninth International Conference on Civil and Structural Engineering Computing.Egmond aan Zee, The Netherlands.- Bursi, O.S., Caramelli, S., Fabbrocino, G., Molina, J., Taucer, F., Salvatore, W.,Zandonini, R. 2004 3D Full Scale Seismic Testing of a Steel-Concrete Composite Buildingat ELSA. Eur Report, Joint research Centre, European Community.- prEN 1998-1. 2002. Eurocode 8: design of structures for earthquake resistance. Part 1:general rules, seismic actions and rules for buildings. CEN, European Committee forStandardization. Brussels, Belgium.- Caramelli, S., Salvatore, W. et al. 2004 Applicability of Composite Structure to SwayFrames. ECSC Project n. 7210-PR-250, Eur Report, European Community.21
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Page 14: Main moment resisting framesSeconda
Page 20 and 21: d1TOP STOREYd1A1Y1A2X1ShakerHammerD
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Page 24: c,tspspb,lb,rspc,bFigure 11. Kinema
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Page 29 and 30: Figure 18. Sledge hammer PCB 086C50
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Page 50 and 51: 1 2 3400 5000 7000400700CC3000FRAME
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Page 54 and 55: 55INSTRUMENTATION LAYOUT - DETAILSc
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Page 60 and 61: CONNECTIONS OF ACCELEROMETERSTYPE 1
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