A5034603069- Structural Load-Bearing Analysis
- Structural Behavior of Reinforced Concrete
- Seismic Performance and Analysis
- Structural Engineering and Vibration Analysis
- Structural Response to Dynamic Loads
- Fire effects on concrete materials
- Mechanical stress and fatigue analysis
- Structural Analysis and Optimization
- Masonry and Concrete Structural Analysis
- Concrete Corrosion and Durability
- High-Velocity Impact and Material Behavior
- Structural Engineering and Materials Analysis
- Structural Health Monitoring Techniques
- Structural Analysis of Composite Materials
- Vibration and Dynamic Analysis
- Seismic and Structural Analysis of Tall Buildings
- Fatigue and fracture mechanics
- Hydrogen embrittlement and corrosion behaviors in metals
- Infrastructure Maintenance and Monitoring
- BIM and Construction Integration
- Structural Integrity and Reliability Analysis
- Corrosion Behavior and Inhibition
- Microstructure and Mechanical Properties of Steels
- Drilling and Well Engineering
- Engineering Structural Analysis Methods
Heriot-Watt University
2015-2024
National Institute for Land and Infrastructure Management
2021
Western Sydney University
2011-2014
Politecnico di Milano
2008-2009
A new self-centering beam-to-column connection is proposed. The uses posttensioned high-strength steel bars to provide capability and carefully designed energy-dissipation (ED) elements that consist of cylindrical pins with an hourglass shape. proposed ED have superior fracture capacity, are placed between the upper bottom flanges beam such they do not interfere composite slab. simplified performance-based procedure was used design connection. performance experimentally validated under...
Steel yielding hysteretic devices provide a reliable way to increase the energy dissipation capacity of structures under seismic loading. cylindrical pins with hourglass shape bending parts (called web pins—WHPs) have been recently used as system posttensioned connections for self-centering steel moment-resisting frames. This work evaluates cyclic behavior WHPs made high-strength and two grades stainless steel, i.e., austenitic grade 304 duplex. Design rules are established using principles...
Steel-concrete composite beams are currently designed against shear by neglecting the contributions of concrete slab and action, while moment-shear interaction is not addressed in current structural codes practice. This paper presents an experimental numerical study on strength simply-supported steel-concrete beams. Fourteen one steel beam were tested under combined bending shear. The effects partial connection reinforcement also studied. A nonlinear finite element model was developed found...
In order to promote sustainable steel-concrete composite structures, special shear connectors that can facilitate deconstruction are needed. A lockbolt demountable connector (LB-DSC), including a grout-filled steel tube embedded in the concrete slab and fastened geometrically compatible partial-thread bolt, which is bolted on section's top flange of beam, was proposed. The main drawback previous similar bolts sudden slip bolt inside its hole. This has locked conical seat lug secured...
A bolted–welded hybrid demountable shear connector for use in deconstructable steel–concrete composite buildings and bridges was proposed. The consisted of a partially threaded stud, which welded on the flange steel section, machined tube with compatible geometry, bolted stud. Four standard pushout tests according to Eurocode 4 were carried out assess performance connector. experimental results show that initial stiffness, resistance, slip capacity proposed higher than those traditional...
A prominent challenge in applying the direct displacement-based design (DDBD) method to proposed dual frame–wall lateral force-resisting system lies determining equivalent viscous damping ratio (EVDR). However, strong nonlinearity and complexity behind procedure lead limited choice, mostly trial error based on experience, explain predict EVDR context of traditional research. This study employs XGBoost unravel intricate relationships using over 5 million data points from nonlinear...
This paper presents ultralow cycle fatigue tests and the calibration of different fracture models for duplex stainless-steel devices high seismic performance braced frames. Two geometries were tested in full scale under 14 cyclic loading protocols up to fracture. The imposed consisted standard, constant-amplitude, randomly generated histories. test results show that have stable hysteresis, postyield stiffness, large energy-dissipation capacities. Following tests, two micromechanics-based...