Person
Ian Smith
Related publications (140)
Reducing uncertainties in response predictions of earthquake-damaged masonry buildings using data from image-based inspection
Ian Smith, Katrin Beyer, Bryan German Pantoja Rosero, Mathias Christian Haindl Carvallo
Image information about the state of a building after an earthquake, which can be collected without endangering the post-earthquake reconnaissance activities, can be used to reduce uncertainties in response predictions for future seismic events. This paper ...
Springer2024Methodology for selecting measurement points that optimize information gain for model updating
Information collected through sensor measurements has the potential to improve knowledge of complex-system behavior, leading to better decisions related to system management. In this situation, and particularly when using digital twins, the quality of sens ...
2023A framework for occupancy detection and tracking using floor-vibration signals
In sensed buildings, information related to occupant movement helps optimize important func-tionalities such as caregiving, energy management, and security enhancement. Typical sensing approaches for occupant tracking rely on mobile devices and cameras. Th ...
2022The impact of uncertainties on post-earthquake response predictions of a building with unreinforced masonry walls
Ian Smith, Katrin Beyer, Mathias Christian Haindl Carvallo
In this paper, the impact of several sources of uncertainty on the seismic response of an experimentally tested building is assessed for the case of a post-earthquake scenario. The building comprises unreinforced masonry and reinforced concrete walls. It i ...
2022A methodology to design measurement systems when multiple model classes are plausible
Ian Smith, Numa Joy Bertola, Sai Ganesh Sarvotham Pai
The management of existing civil infrastructure is challenging due to evolving functional requirements, aging and climate change. Civil infrastructure often has hidden reserve capacity because of conservative approaches used in design and during constructi ...
2021Systematic selection of field response measurements for excavation back analysis
In a geotechnical excavation, back analyses are routinely performed using the measured field responses to derive the material parameter values for the different soil layers present at the site. For the purpose of back analyses, the engineers will usually m ...
2021Using footstep-induced vibrations for occupant detection and recognition in buildings
Ian Smith, Yves Sylvain Gilles Reuland, Sai Ganesh Sarvotham Pai, Slah Drira
Occupant detection and recognition support functional goals such as security, healthcare, and energy management in buildings. Typical sensing approaches, such as smartphones and cameras, undermine the privacy of building occupants and inherently affect the ...
2021Model-Based Interpretation of Measurements for Fatigue Evaluation of Existing Reinforced Concrete Bridges
Ian Smith, Eugen Brühwiler, Sai Ganesh Sarvotham Pai, Imane Bayane
New methods are required for sustainable and economical management of bridges. Efficient management can be achieved by a detailed understanding of bridge behavior through monitoring and model-based data interpretation. This paper presents a methodology to ...
2021A Comparison of optimal measurement-system design with engineering judgement for bridge load testing
Due to conservative approaches in construction design and practice, infrastructure often has hidden reserve capacity. When quantified, this reserve has potential to improve decisions related to asset management. Field measurements, collected through load t ...
2021Vibration Serviceability Assessment for Pedestrian Bridges Based on Model Falsification
With the development of new materials and advanced structural analysis, alongside increasing aesthetic requirements, recent years have witnessed a trend toward longer, taller, and lighter footbridges. Different from vehicular bridges, footbridges carry rel ...
2021