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Integration of Technologies for Structural Assessment at AIDICO

Explore the significance of investigative processes like pathology assessment and refurbishment through applied technologies such as 3D scanning, infrared thermography, modal analysis, and numerical simulations at AIDICO. Learn the role of advanced tools in analyzing pathologies, conducting assessments, and recommending therapies for various structures. Discover the importance of nondestructive technologies in assessing structural elements and validating experimental data for accurate simulations and assessments to ensure structural safety against different events.

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Integration of Technologies for Structural Assessment at AIDICO

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  1. INTEGRATION OF THE TECHNOLOGIES FOR STRUCTURAL ASSESSMENT AIDICO Construction Technological Institute Valencia - Spain AIDICO

  2. CONTENTS • The important of the Investigation in the process: pathology-assessment-refurbishment. • Applied Technologies • 3D Scanner-laser • Infra-red Thermography • Sonic Test • Modal analysis. OMA • Numerical Simulation. 3D-Model. • Structural Assessment. AIDICO

  3. SEFDEC- PROJECT BELL TOWER CONCRETE WATER TANK DEPOSIT CABLE STAYED BRIDGE 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  4. PATHOLOGIES-ASSESSMENT-REFURBISHMENT How does it plays the Investigation in the process: Pathology– Assessment- Refurbishment Problem – Research - Intervention Pathology Process - Observation CAUSES PROBLEMS Pathology Study Examination –> Pre-assessment –> Analysis -> Assessment The ANALYSIS considers the following procedure: admisible threshold, Diagnostic Patterns, crack or defect pattern, expert systems, numerical analysis, technical tests,… - Analysis - Assessment The ASSESSMENTshould be attend the causes and the serious of the pathologies…and to include the recommended theraphy (usage limitation, demolition, re-integration, reinforcement,… 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  5. APPLIED TECHNOLOGIES 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  6. 3D-SCANNER LASER 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  7. INFRA-RED THERMOGRAPHY 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  8. SONIC TESTING • The founded values for the velocities are the following: • - P-wave time of flight -> Tp= 820 us • - P-wave velocity -> Vp = 3040 m/s • S-wave time of flight -> Tp= 1320 us • S-wave velocity -> Vs = 1811 m/s • Since from other parameters as the average concrete apparent density  = 2,3 kg/m3, • it has been calculated the elastic modulus and constants: • - Young modulus E -> Ed= 18,5 GPa • - Shear or Rigidity modulus G -> Gd = 7,54 GPa • In these case, it is assumed the final modulus as the half of the dynamic • that comes from the real test (sonic test), therefore it is assigned an elastic modulus • about 10 GPa, so that 9,25 GPa has been adopted. 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  9. OPERATIONAL MODAL ANALYSIS:ACCELEROMETRIC TESTS FLEXURAL 2 1,487 Hz FLEXURAL 1 2,755 Hz FLEXURAL 1 1,416 Hz MEMS1 MEMS7 MEMS2 MEMS8 MEMS3 MEM4 MEMS5 MEMS9 MEMS6 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  10. OPERATIONAL MODAL ANALYSIS: RADAR INTERFEROMETRIC 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  11. STRUCTURAL MODELLING E, ,  FLEXURAL MODE 1 TORSIONAL MODE FLEXURAL MODE 2 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  12. STRUCTURAL ASSESSMENT Static Analysis: Gavitational Tension: Water mass and own weight Rc(shear) ~ 7.5 MPa Maximum Principal Stress : Shear tension E = 10 GPa Rc(compression) ~ 20 MPa Minimum Principal Stress : Compression tension 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  13. STRUCTURAL ASSESSMENT STRONG WIND PRESSURE Compression 8.7 MPa 80 P -30 S Shear 4.3 MPa WIND ACTIONS: Pressure & Suction Shear 7.3 MPa Compression 11.5 MPa 120 P -45 S 1st MEMSCON Event 07/10/10, Bucharest AIDICO

  14. CONCLUSIONS 1st MEMSCON Event 07/10/10, Bucharest • Nondestructive technology could be applied to gather information: • To know the mechanical properties of the structural elements, • To supply confident data that comes from the experimental tests to numerical simulation, • To allow comparing experimental behaviour from different techniques (modal tests) • To match the numerical simulation and experimental test (mechanical parameters & boundary conditions). • To perform structural assessment against events. AIDICO

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