A5026855789- Innovative concrete reinforcement materials
- Ultrasonics and Acoustic Wave Propagation
- Structural Health Monitoring Techniques
- Concrete and Cement Materials Research
- Graphite, nuclear technology, radiation studies
- Concrete Corrosion and Durability
- Infrastructure Maintenance and Monitoring
- Advanced ceramic materials synthesis
- Innovations in Concrete and Construction Materials
- Structural Behavior of Reinforced Concrete
- Advanced Fiber Optic Sensors
- Structural Response to Dynamic Loads
- Rock Mechanics and Modeling
- Smart Materials for Construction
- High-Velocity Impact and Material Behavior
- Geophysical Methods and Applications
- Fire effects on concrete materials
- Advanced Surface Polishing Techniques
University of Houston
2015-2021
ORCID
2021
National Taiwan University
2012
Acoustic emission (AE) is a nondestructive evaluation technique that capable of monitoring the damage evolution concrete structures in real time. Conventionally, AE sensors are surface mounted on host structures, however, signals attenuate quickly due to high attenuation properties structures. This study conducts feasibility using smart aggregates (SAs), which type embedded piezoceramic transducers, as for health A plain beam with two and SAs was fabricated laboratory loaded under designed...
Concrete-encased composite structure is a type of that takes the advantages both steel and concrete materials, showing improved strength, ductility, fire resistance compared to traditional reinforced structures. The interface between profiles governs interaction these two materials under loading, however, debonding damage may lead severe degradation load transferring capacity which will affect structural performance significantly. In this paper, electro-mechanical impedance (EMI) technique...
Concrete-encased composite structure exhibits improved strength, ductility and fire resistance compared to traditional reinforced concrete, by incorporating the advantages of both steel concrete materials. A major drawback this type is bond slip introduced between which directly reduces load capacity structure. In paper, an active sensing approach using shear waves provide monitoring early warning development in concrete-encased proposed. specimen was investigated. approach, mode smart...
Compared to conventional concrete, polyvinyl alcohol fiber reinforced engineering cementitious composite (PVA-ECC) offers high-strength, ductility, formability, and excellent fatigue resistance. However, impact-induced structural damage is a major concern has not been previously characterized in PVA-ECC structures. We investigate the of beams under low-velocity impact loading. A series ball-drop tests were performed at different drop weights heights simulate various energies. The results...
Interlayer slide is a common type of damages in geological and civil engineering. damage an internal cause landslide collapse, which may further result catastrophic losses. It desirable to develop real-time monitoring system that able detect this kind damage. In paper, experimental feasibility study on interlayer detection using piezoceramic smart aggregates based the active sensing approach was performed. A mortar specimen, sandwiched with weak interlayer, fabricated before conducting...
As the most popular construction material, concrete has many advantages compared to other materials. However, its brittle nature causes cracking and results in deterioration problems failures infrastructures. Considering issue of sustainability, researchers around world have conducted numerous studies develop that better performances, higher durability, longer life span, less damaging effects nature. To obtain such characteristics, not only focus on strength enhancement, but also ductility...
Modular construction techniques allow for faster onsite construction, reduce cost and time, increase security, facilitate flexible designs. In this study, steel plate concrete (SC) modular design benefits have been maximized by incorporating ultra high-performance (UHPC). For a (S-UHPC) module to behave effectively, structural integrity of UHPC is necessary. Different forms SC modules proposed in the past. Cross-ties method considered be one most efficient an has proven play important role...
Utilizing embedded transducers is an effective approach to monitor a landslide. However, for existing structures, sensors can only be postembedded, which involves drilling and grouting, may change the original state of structure, calls need study effectiveness postembedded transducers. The main focus this paper feasibility interlayer slide detection using piezoceramic smart aggregates (SAs). In study, small landslide structure that weak layer studied two pairs SAs were in predetermined...
In this paper, a new class of self-consolidating ultrahigh-performance concrete (UHPC) was investigated. The UHPC featured compressive strength higher than 150 MPa with characteristics desirable for modular construction. This paper describes the development and characterization UHPC, its large-scale processing techniques conventional equipment, verification internal surface microstructure analysis techniques, structural behavior steel plate (S-UHPC) beams under out-of-plane loads. Based on...