I. Iordanova

I. Iordanova
École de Technologie Supérieure · Département de génie de la construction

PhD
Working on projects aiming at circular economy by integrating automation & manufacturing strategies in AECO industry

About

72
Publications
29,376
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671
Citations
Introduction
Dr. Ivanka Iordanova, LEED AP, is a diplomaed architect, has a Master’s and a PhD degree from the Université de Montréal and a post-doc from ETS (GRIDD). She created and lead the Innovations and VDC Team at Pomerleau for 7 years, before reintegrating the ETS as a full-time professor. Her research is on digital innovation, collaboration, circular economy, better productivity and quality in the construction industry through the adoption of BIM/VDC, Lean, offsite and digital manufacturing.

Publications

Publications (72)
Conference Paper
Full-text available
The digital transformation of the construction sector is leading to a wider adoption of project digitization, process automation, and new project methodologies, demonstrating numerous benefits for sector productivity. This growth is pushing the sector more than ever into the era of digitalization, along with the issues that come with it. Managing t...
Conference Paper
Full-text available
More than a simple 3D modelling tool, BIM is a set of interacting policies, processes and technologies generating a methodology to manage the essential building design and project data in digital format throughout the building's life cycle. This new way of working also includes a new paradigm in construction projects, breaking down traditional proj...
Article
Full-text available
The growing adoption of Building Information Modeling (BIM) within the architectural, engineering, and construction (AEC) sector raises questions about the quality of BIM data deliverables for project owners. Therefore, assessment and evaluation of such BIM data against relevant documents such as the BIM Execution Plan (BEP), the Level of Definitio...
Article
Full-text available
The construction industry lags behind other sectors in terms of productivity performance, with many megaprojects experiencing cost overruns. While there are various reasons for this, the most significant one is the lack of efficiency. Adopting the off-site construction (OSC) methodology can improve productivity by enhancing project efficiency mainl...
Article
Full-text available
In Malaysia, construction sector plays a significant and important role in the country's economy. One of the most important and critical phase of a construction project is tendering and procurement phase. A paper-based traditional method of undertaking procurement phase is complicated, costly and time consuming. E-Tendering is a fully digitalized p...
Chapter
In recent years, the application of AM in construction has been increasingly studied. According to scientific literature, the use of robotic AM can help improve efficiency in construction by reducing the cost of completion, minimizing waste, decreasing lead times, and increasing profitability. Building Information Modeling (BIM), a digital technolo...
Chapter
In spite of the significant amount of research conducted in recent years to improve the efficiency of Building Information Modeling (BIM)-based multidisciplinary coordination processes, unanticipated increases in cost and delays in construction projects still occur. To mitigate factors that hinder the efficiency of construction processes, the liter...
Conference Paper
Full-text available
Achieving efficacy and economy is an ongoing pursuit for the Canadian construction industry. However, obstacles in Building Information Modelling (BIM) based multidisciplinary coordination and the substantial number of clashes in the federated model hamper BIM-based practices to optimize the benefit of this collaborative use of technology. As the f...
Article
Full-text available
Applying design for manufacture and assembly (DfMA) principles in the construction industry has gained attention in recent years. Studies convey that the application of DfMA in construction projects can significantly enhance overall productivity. However, the literature on construction-oriented DfMA is still limited, and its application in real-lif...
Article
Full-text available
Technological interoperability is a driver for seamless data and information exchange between project team members in the Architecture, Engineering, and Construction (AEC) industry. It is defined as the ability of different systems to exchange information with minimum loss. Therefore, interoperability lack is often a barrier in modern construction...
Conference Paper
Full-text available
Lean and BIM integration in the design phase may help achieve better design deliverables on the planned time and cost and consistent with the client’s needs and requirements. With the absence of enough studies about lean-BIM integration in France, this study reports the results from a survey about lean-BIM integration in French design firms. The re...
Conference Paper
Full-text available
Creating flow is an essential principle of lean thinking. Failure to create flow in the production system degrades the performance and impacts value creation. In construction prefabricated systems, variability in flow between the construction site and manufacturing plant can cause an increase in time and cost of the projects. This paper aims to dea...
Article
Full-text available
The architectural engineering and construction (AEC) industry is undergoing a digital transformation that progressively improves its performance, productivity, and competitiveness. This digital shift is accelerated through building information modeling (BIM) which facilitates technological integrations. BIM has significantly contributed to digitizi...
Chapter
According to the scientific literature, 98% of megaprojects in the construction sector suffer from cost overruns of more than 30%. This is due to several reasons, the most important of which is issues with productivity (Changali et al. The Construction Productivity Imperative, p 10, 2015, [1]). Off-site manufacturing in construction is one solution...
Chapter
Construction progress tracking and monitoring is a complex process, crucial for the smooth execution of projects and delivery of a high-quality product to the client. However, these tasks remain primarily manual, time-consuming and error prone, and can lead to cost and time overruns. The objective of the present research is to develop a system base...
Chapter
Construction projects are known to have frequent cost overruns. These are caused by various issues, some of which stem from traditional construction methods. According to the literature, off-site construction (OSC) using factory-produced components and efficient manufacturing processes could help to overcome this issue by improving productivity and...
Chapter
Industry 4.0 technologies have revolutionized manufacturing industries in many domains. Although the construction industry still lags behind other industries in terms of digitization and automation, disruptive I4.0 technologies, are gradually transforming the traditional nature of this industry. Internet of Things or IoT, associated with tracking t...
Article
Purpose Recent construction literature has been focusing more on integrative contracting approaches such as integrated project delivery (IPD). However, conceptual studies on integration in IPD literature are scattered and fragmented, that is, most of the studies only focused on the segmented dimension of integration. A systemic understanding of the...
Article
Full-text available
Applying Design for manufacture and assembly (DfMA) principles in building has gained attention in recent years. Studies reported that the application of DfMA in building projects can significantly enhance overall productivity. However, the literature on DfMA in the construction industry is still limited. This paper aims to provide an updated and c...
Article
Purpose Integrated project delivery (IPD) has attracted considerable attention in recent years, however only a few review studies captured the dynamic and evolving nature of this topic. The purpose of this study is to review the most recent IPD publications, in order to shed light on future research. Design/methodology/approach Using a systematic...
Article
Purpose According to the construction literature, the number of projects applying integrated project delivery (IPD) principles is expected to increase in the new-normal era. However, given that the pandemic is not yet fully over, accurate and measurable data are not yet available. Also, there is a lack of empirical studies that could provide guidel...
Chapter
Full-text available
Digitization has proven its added value to the construction industry, particularly through Building Information Modeling (BIM). This digital shift addresses all phases and aspects of construction projects. Additive manufacturing (AM) through 3D Concrete Printing (3DCP), is one of the most remarkable technologies which development has accelerated in...
Chapter
Today, Off-site Manufacturing (OSM) is considered to have the potential to be the main driver for improving productivity in the construction industry. In addition to reducing the dependence of operations on adverse weather conditions, OSM offers a solution to the shortage of skilled labour. This approach to construction is being reinvented through...
Chapter
Building Information modeling (BIM) is recognized in the literature as a potentially powerful means of improving project performance in the construction industry. The adoption of BIM requires significant and ongoing investment in hardware, software, training, and process change. However, for most companies, the choice to invest in BIM is essentiall...
Article
Despite the potentially significant benefits that Building Information Modeling (BIM) can offer during a facility's operation and maintenance (O&M) phase, the construction industry has thus far mainly implemented BIM in the design and construction phases. This is because even though as-built BIM models are delivered at the handover stage, owners an...
Article
Full-text available
In Malaysia, construction sector plays a significant and important role in the country's economy. One of the most important and critical phase of a construction project is tendering and procurement phase. A paper-based traditional method of undertaking procurement phase is complicated, costly and time consuming. E-Tendering is a fully digitalized p...
Article
Full-text available
In the lifecycle of a building, the longest phase is generally that of operation and maintenance (O&M). The data needed to support O&M is mainly generated during the design, construction, and commissioning of the built asset phases. However, the extraction and transfer of relevant O&M data from the project documents remain a major issue in that it...
Article
Full-text available
Construction progress tracking and monitoring is a complex process that is crucial for the successful execution of projects and the delivery of a high-quality product to the client. However, these tasks remain mostly manual - time-consuming and error prone, which often leads to suboptimal quality, cost and schedule overruns. The present research pr...
Conference Paper
Full-text available
Discrete architecture is recognized as a computational design approach which uses computation to generate algorithmically combinable aggregations. It is therefore a promising innovation for increasing design process productivity through the adaptability of the aggregations it generates. In the built environment, discrete design is usually identifie...
Article
Full-text available
As the use of autonomous Unmanned Ground Vehicles (UGV) for automated data collection from construction projects increases, construction stakeholders have become aware of a problem with inter-disciplinary semantic data sharing and exchanges between construction and robotic. Cross-domain data translation requires detailed specifications especially w...
Preprint
Full-text available
Several deployment locations of mobile robotic systems are human made (i.e. urban firefighter, building inspection, property security) and the manager may have access to domain-specific knowledge about the place, which can provide semantic contextual information allowing better reasoning and decision making. In this paper we propose a system that a...
Conference Paper
Full-text available
Aujourd’hui, la fabrication hors site (Off-site Manufacturing - OSM) est considérée avoir le potentiel d’être le moteur principal pour améliorer la productivité dans l’industrie de construction. En plus de réduire la dépendance des activités aux mauvaises conditions météorologiques, l’OSM offre une solution à la pénurie de main-d'oeuvre qualifiée....
Conference Paper
Full-text available
Building Information Modeling (BIM) emphasizes the importance of information flow, communication, and collaboration amongst team members. Successful implementation of BIM is helping the industry move from traditional project delivery systems to integrated ones. This transition, however, requires reliable and concrete contractual mechanisms to provi...
Preprint
Full-text available
With the growth in automated data collection of construction projects, the need for semantic navigation of mobile robots is increasing. In this paper, we propose an infrastructure to leverage building-related information for smarter, safer and more precise robot navigation during construction phase. Our use of Building Information Models (BIM) in r...
Preprint
Full-text available
With growth in the use of autonomous Unmanned Ground Vehicle (UGV) for automated data collection from construction projects, the problem of inter-disciplinary semantic data sharing and exchanges between construction and robotic domains has attracted construction stakeholders' attention. Cross-domain data translation requires detailed specifications...
Article
For several decades now, the construction industry is suffering from low productivity, especially in comparison to manufacturing industries which have succeeded to benefit from digitalization of their processes. Furthermore, scarceness of qualified workforce is expected in the near future. Construction automation is introduced as a solution to thes...
Article
The construction industry is facing a gradual but important transformation toward more productivity and collaboration. In this framework, two major approaches are often cited in the literature as having the potential to improve the practices in the industry: Building Information Modeling (BIM) and Lean Construction. Several scientific studies have...
Conference Paper
Full-text available
BIM is designed to be used during the whole lifecycle of a facility. It has great potential to be used by owners and facilities managers to improve various processes during the Operation and Maintenance phase (O&M). However, its use during the operation phase remains significantly limited. One of the main barriers to the adoption of BIM for Facilit...
Conference Paper
Full-text available
This paper presents a comparative study of commercially available BIM-based estimating software, and an investigation of the changes in work practices and workflows incurred by the adoption of such software by a construction company. Due to the fragmentation of the construction industry and the linearity of the design process, cost estimating is ty...
Conference Paper
Full-text available
Construction-related practices are facing enormous pressure for change because of low productivity, the lack of sustainability and the often poor quality of delivered buildings. New methods and tools have been proposed to address the problems associated with the fragmentation of tasks, disciplines and responsibilities that contribute to the industr...
Article
Teamwork during integrated design projects is complex. We address this by investigating how trust, collaboration, and conflict evolve over time to affect performance. Our results stem from data gathered using validated self-report questionnaires with 38 participants in 5 multidisciplinary teams at three points in time during a 6-week integrated des...
Article
This article discusses interaction between multimodal representations of architectural design knowledge, particularly focusing on relating explicit and implicit types of information. The aim of the presented research is to develop a computational environment that combines several modes of representation, including and integrating different forms of...
Conference Paper
Full-text available
Integrated design process (IDP) and Building Information Modeling (BIM) have been recognized as two approaches to address the problem of fragmentation in the construction industry. Adopting these processes and tools nonetheless requires drastic changes in design practices. There is a need for generating and formalizing new knowledge practices, and...
Conference Paper
Full-text available
Scientific literature and practical experience point out fragmentation of the building design process as one of the reasons for ineffective design and construction processes. This paper proposes interdisciplinary team learning in the context of an integrated design studio as a successful approach for both: achieving sustainable design solutions and...
Conference Paper
This paper presents a library of interactive architectural referents, LibreArchi, which can play a twofold role, exploratory and didactic, during the conceptual phases of an architectural project. The library is composed of interactive models of chunks of architectural know-how represented in a multimodal way: through an interactive model including...
Article
This research aims at stimulating the exploration process in architectural design through the conception and the creation of a computational environment centered on a library of referents. Based on a specific way of describing the referents, as well as on the energizing role we wanted the library to play in the design process, we could draw the cha...
Article
Full-text available
This paper presents some challenges of teaching computational geometry to architectural students, and proposes a multi-level pedagogical scheme introducing associative geometry and parametric modeling/design into architectural design education. It reports on two pedagogical experiences: one held in the context of a spatial geometry course in the fi...
Conference Paper
This communication addresses the use of a new type of referents database in the context of an architectural design studio. It discusses the results of design experiences held with the objective to study the cognitive effects of a teaching approach based on precedents and metaphors available as interactive and reusable digital models to students. th...
Article
This article discusses some cognitive bases of the architectural design process, especially when using referents. More precisely it tries to propose a model for the cognitive interactions between information of different formats, namely imagery, propositional and procedural, which is manipulated during conception. On this basis, a referents library...
Article
This communication addresses the use of a new type of referents database in the context of an architectural design studio. It discusses the results of design experiences held with the objective to study the cognitive effects of a teaching approach based on precedents and metaphors available as interactive and reusable digital models to students. Th...
Article
Full-text available
During the last few decades, the new technology has transformed the profession of architects and designers, and now significantly affects knowledge and abilities required by students and by professionals in order to realize their projects. This article presents methodologies used, experimental observations held, and results obtained in a research p...
Article
Full-text available
This article discusses some cognitive bases of the architectural design process, especially when using referents. More precisely it tries to propose a model for the cognitive interactions between information of different formats, namely imagery, propositional and procedural, which is manipulated during conception. On this basis, a referents library...
Article
Dans une époque de changements des moyens de représentation et communication en architecture, cette recherche porte sur l’enseignement de la conception architecturale et plus spécifiquement sur l’apport que l’informatique pourrait avoir dans ce processus. En nous basant sur une méthodologie qualitative, exploratoire et participative, nous y procédo...
Article
This paper presents multimodal representation of architectural design knowledge, where explicit and implicit information are linked. The aim is to develop computational environment that combines several modes of representation. Integration of interactive digital-models library and ontological model of architectural design factors is investigated.
Article
This research aims at stimulating the exploration process in architectural design through the conception and the creation of a computational environment centered on a library of referents. Based on a specific way of describing the referents, as well as on the energizing role we wanted the library to play in the design process, we could draw the cha...
Article
Full-text available
Parametric methods from different modeling paradigms were proposed to students in a design studio. The influence of these methods on creativity was studied using qualitative methodology. ?Generation? was found to stimulate ?abundance? of ideas and to lead to different evolution and flexibility, as well as to higher ?engagement? in the design proces...

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