A5035145216- Structural Health Monitoring Techniques
- Dam Engineering and Safety
- Ultrasonics and Acoustic Wave Propagation
- Non-Destructive Testing Techniques
- Probabilistic and Robust Engineering Design
- Concrete Corrosion and Durability
- Fatigue and fracture mechanics
- Innovations in Concrete and Construction Materials
- Geotechnical Engineering and Underground Structures
- Advanced Sensor and Energy Harvesting Materials
- Tactile and Sensory Interactions
- Conducting polymers and applications
- Advanced Surface Polishing Techniques
- Infrastructure Maintenance and Monitoring
- Force Microscopy Techniques and Applications
- Water Systems and Optimization
- Hydrology and Sediment Transport Processes
- Geotechnical Engineering and Analysis
- Optical measurement and interference techniques
- Metal and Thin Film Mechanics
Hohai University
2019-2024
Budapest University of Technology and Economics
2023-2024
Arizona State University
2012
The development of a bridge damage detection method relies on comprehensive dynamic responses pertaining to damage. numerical model can conveniently considers various scenarios and acquire pertinent data, while the entity or its physical proves challenging. Traditional methods for identifying often struggle effectively utilize data acquired from diverse domains, presenting significant hurdle in addressing cross-domain issues. This study proposes novel identification suspension bridges using...
Abstract Without the difficulty of applying particular excitations on arch dams, a method using correlation coefficients time-scale representations (CCTSRs) seismic responses to identify damage in transverse joints is proposed. The identification CCTSR characterized by comparing (TSRs) paired accelerations measured from two neighboring points crossing horizontally. With method, TSRs are produced with continuous wavelet transform; comparison carried out calculating coefficients. combined...
In steel bridges with orthotropic decks, a common and important engineering structure, fatigue cracks can appear under long-term operation. Existing artificial detection is the main approach to detecting in bridges, addition some non-destructive testing or image processing methods, unmanned aerial vehicle are applied improve accuracy efficiency. However, of based on variation dynamic responses parameters another attractive idea, which still rarely mentioned investigated international...
Nanoindentations were performed on a cubic semiconductor using cono-spherical diamond tip with 260 nm radius. The produces single point of contact the crystal surface allowing indentations nano-scale dimensions. early stages deformation (100) InP zinc-blende structure observed to happen by sequential introduction metastable dislocation loops along various slip planes directly beneath contact. Locking dislocations forms hardened region that acts as an extended during subsequent indentation,...
As a global vibration characteristic, natural frequency often suffers from insufficient sensitivity to structural damage, which is associated with local variations of material or geometric properties. Such drawback particularly significant when dealing the large scale and complexity sluice systems. To this end, damage detection method in hoist beams proposed that relies on utilization primary (LPF), obtained based swept excitation (SFE) technique resonance response band (LRRB) selection....
The influencing mechanism of spatial variability in concrete materials on the seismic damage gravity dams is still unclear, and existing methods for evaluating are insufficient. In this work, effects concrete's distribution, energy dissipation, deformation performed based damaged plastic model concrete. Prior to analysis, method inputting correlation function realizing random fields carefully determined. Based analysis Koyna dam, tensile strength has greatest influence damage, followed by...
Cracks of sluice hoist beams due to the load and aging material threaten safety structural system. As one main methods damage detection, non-destructive detection method based on natural frequency is still insensitive local damage. Therefore, this paper proposes a for driven by resonance band primary in mode. Firstly, possibility discussed procedure determining explained. Then identification index change ratio provided. Finally, numerical results demonstrate correctness effectiveness...