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Content archived on 2024-05-07

System identification to monitor civil engineering structures

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Exploitable results

The main achievements can be summarized as follows: 1. Long term monitoring and progressive damage tests on a full scale highway bridge (Z24 in Switzerland), additional tests on three bridges (on of them before and after repair). The tests on the Z24-bridge are recorded on videotape to promote the monitoring technology developed within the SIMCES-project. The data can be made available for validation of system identification algorithms and/or damage detection methods. 2. Dynamic tests on progressively damaged reinforced concrete (RC-) beams. 3. Guidelines for a proper monitoring setup. 4. Development of time domain system identification (SI-) methods using operational data only (ANPSD, LSCE, SSI, ARMAV). 5. Implementation of SI-methods in userfriendly software modules. 6. Comparison, between different SI-methods, between results obtained by forced (FVT) and ambient (AVT) vibration, by using the bridge data. 7. Statistical treatment of the long term data of the Z24-bridge. Critical appraisal of temperature influence. 8. Construction of numerical FE-models to simulate damage (cracking) in reinforced / prestressed concrete structures. Application to the tested bridges and the RC-beams. 9. Development of damage identification methods: (traditional) updating, direct stiffness calculation (DSC), design of experiments (DOE) / response surface model (RSM) approach. 10. Application of the damage identification methods to the Z24-bridge and the RC-beams.

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