Zoubir Lounis - Academia.edu (original) (raw)

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University of Twente, Faculty of Geoinformation Science and Earth Observation (ITC)

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Papers by Zoubir Lounis

… Decision Making in …, 2010

... Knehans., (1990), ROOFER: An Engineered Management System (EMS) for Bituminous Built-Up Roof... more ... Knehans., (1990), ROOFER: An Engineered Management System (EMS) for Bituminous Built-Up Roofs, USACERL Technical Report M 90/04. Koski, J., (1984), Multiobjective Optimization in Structural Design, In New Directions in Optimum Structural Design, Atrek et al., ...

Canada's buildings, bridges, roads, rail transit, potable water systems and wastewater system... more Canada's buildings, bridges, roads, rail transit, potable water systems and wastewater systems provide shelter and safe drinking water, enable transport of people and goods, and collect and treat wastewater. They provide basic and core services for Canadians and are critical to Canada's economy and the nation's quality of life. These buildings and core public infrastructure (B&CPI) are subject to time-varying and uncertain effects due to climate change, as well as more frequent extreme weather events, such as flooding. These climate changeinduced pressures could potentially reduce the safety, serviceability, functionality, and service life of Canada's B&CPI. In addition, Canadian B&CPI are aging and deteriorating due to different degradation mechanisms, as well as inadequate inspection and maintenance practices – issues potentially made worse by the effects of climate change. The Climate-Resilient Buildings and Core Public Infrastructure (CRBCPI) initiative was estab...

The objectives of the Building Envelope Life Cycle Asset Management (BELCAM) Project were to deve... more The objectives of the Building Envelope Life Cycle Asset Management (BELCAM) Project were to develop techniques to predict the remaining service life of building envelope components and procedures to optimize their maintenance. Six enabling technologies were identified as critical to the tasks: service life prediction, life cycle economics, risk analysis, maintenance optimization, and information technologies. Roofing systems were chosen as the domain for the "proof of concept" of the techniques and procedures. Information technology was to be used extensively in the course of the project. During the three-year term of the project, data were collected on 2800 roof sections from a wide range of systems and climatic regions across Canada. Data in this paper are presented based on age, material type, geographic location and condition of the roofing sections. Markov Chain modeling was used to predict the change in conditions of representative samples; deterioration curves were...

Structure and Infrastructure Engineering, 2020

This paper presents a uniform and consistent semi-quantitative classification of consequences of ... more This paper presents a uniform and consistent semi-quantitative classification of consequences of failure of buildings as part of a multi-level seismic risk management framework for existing buildings to help building owners make risk-informed decisions for the seismic evaluation and retrofit of existing buildings to minimise the life safety risk. The management framework consists of three levels of risk assessment, namely: (i) Level 1: Preliminary seismic screening; (ii) Level 2: Semi-quantitative seismic risk screening; and (iii) Level 3: Quantitative seismic evaluation. The proposed classification consists in general of three classes, namely: (i) Consequence Class-Low (CC-L), (ii) Consequence Class-Medium (CC-M); and (iii) Consequence Class-High (CC-H). These consequence classes are based on semi-quantitative criteria, including building occupancy, number of people at risk, building area, number of storeys, and mobility and ability to escape. The proposed classification can be used to refine the building importance classification in many codes, standards and guides to yield more uniform classification of consequences of failure that can be integrated with the seismic risk management framework to determine more uniform risks of failure. An example illustrating the application of the proposed classification is provided for the case of office buildings.

Journal of Performance of Constructed Facilities, 2020

AbstractA multicriteria and multilevel seismic risk management framework is presented to ensure a... more AbstractA multicriteria and multilevel seismic risk management framework is presented to ensure an acceptable and consistent level of risk for existing buildings in Canada with a focus on minimizin...