Jeongwook Son

• Ph.D.
• Professor at Ewha Womans University

Despite the significant influence of organizational elements on the performance of construction projects, these elements are regarded as fixed, or reflected in an implicit manner, in current project management techniques. This study investigated how the organizational dynamics formed within a project organization based on complexity theory are desc...

Offsite construction (OSC) is one of the alternative methods for the various challenges that the construction sector faces today. This study developed a management system based on building information modeling (BIM) to execute OSC projects successfully. Because OSC differs from the conventional onsite building method, the authors studied and analyz...

There has been increasing interest in the off-site construction (OSC) method in response to issues such as stagnant labor productivity, shortage of skilled workers, challenging site management, heightened safety and health-related regulations, and the push for carbon neutrality. Although efficient performance of an OSC project requires development...

The recent shortage of young skilled laborers is one of the impending issues facing the global construction industry. To address these issues, the prefabricated external insulation system (PEIS) can be suggested as an alternative. However, before applying it to construction projects, a construction productivity analysis is difficult due to the comp...

The off-site construction (OSC) method has attracted the interest of experts to resolve productivity stagnation and lack of skilled workforce and to reduce greenhouse gas emissions in the construction industry. Due to the unique characteristics of OSC projects, wherein building elements are produced in a factory, transported, and installed in the f...

The low productivity of the construction industry has been identified as a chronic problem, and this has been exacerbated by recent environmental factors, including COVID-19 and climate change. As a response to these environmental changes, policies related to recovery after COVID-19, digital transformation, and the Green New Deal have been establis...

In recent years, offsite construction has attracted increasing attention, which has led to the broader use of precast concrete (PC) construction methods. Accordingly, the need for safety management in PC production plants is increasing. However, despite the potentially hazardous tasks performed in PC production plants, such as the handling and tran...

The construction industry has challenges and opportunities for Sustainable Development Goals (SDGs). The task of the construction industry is to improve the quality of construction, which is particularly necessary for the Fragile State. The construction industry's primary role is to provide jobs and maintain and improve the construction environment...

Despite the importance of client’s role in securing public trust, fairness, and equity in all transactions within the construction market, little is known about the current state of fair trade practices committed by the clients in public construction projects. Therefore, this study proposes an evaluation model for assessing fair practice of public...

Construction is one of the most dangerous occupations. The most prominent reason for worker accidents is unsafe behavior, particularly rooted in the inability to recognize and appropriately respond to risk factors. Previous studies have investigated worker perception and comprehension of construction hazards and safety information in laboratory set...

The purpose of this study is to classify the bid price volatility level with machine learning and parameters from bid documents as risk factors. To this end, we studied project-oriented risk factors affecting the bid price and pre-bid clarification document as the uncertainty of bid documents through preliminary research. The authors collected Calt...

This study identified the major causes affecting the defects in construction projects. To this end, the authors created a causal loop diagram through system dynamics modeling to identify the influence relationship between factors. This model shows how the participants' and their interactions' various actions and decision-making from the planning to...

Defining, measuring, and dealing with contractual risks are crucial for successful construction projects because the contractual risks can lead to serious claims and disputes. In general, construction participants make a stipulation regarding their roles and responsibilities by contracting in order to prevent such claims and disputes. A common prac...

The purpose of this paper is to classify the level of formation of the bid price by using the type of uncertainty inherent in the bid document as a variable. To this end, the research examined the factors of the project related to the bid price presented in the previous study. Next, the pre-bid clarification document, which can be used to check the...

As construction projects have significantly increased in size and become more complicated, the number of claims and dispute cases between participating parties during the construction work have been continuously increasing. To prevent such claims and disputes, the participants need to be assured of their contractual positions and rights based on co...

Many construction firms have promoted diversification as an important growth strategy. However, previous studies on diversification performance show conflicting results on the correlation between diversification and business performance. Although this is partly because of the different theoretical perspectives of researchers, it is mainly derived f...

Traditional construction planning, which depends on historical data and heuristic modification, prevents the integration of managerial details such as productivity dynamics. Specifically, the distance between planning and execution brings cost overruns and duration extensions. To minimize variations, this research presents a Building Information Mo...

Most data generated in construction projects is unstructured text data. Unstructured data analysis is very needed in order for effective analysis on large amounts of text-based documents, such as contracts, specifications, and RFI. This study analysed previously performed project`s bid related documents (bidder inquiry) in overseas construction pro...

As construction projects are getting complex, the amount of information in order for performing project has rapidly increased. Thus, high quality of data management technique, which can promote project's productivity and profitability, is now a big issue in construction industry. Especially, as the importance of construction claim and dispute manag...

Improvement of building's energy performance is associated with the global trend of energy savings. Therefore, the construction industry has a tendency to change from new construction to remodeling and exterior insulation finishing system. It would be reasonable as a way to ensure thermal performance of buildings. The purpose of this research is ap...

This paper presents an algorithm to translate building topology in an object-oriented architectural building model (Building Information Modeling, BIM) into an object-oriented physical-based energy performance simulation by using an object-oriented programming approach. Our algorithm demonstrates efficient mapping of building components in a BIM mo...

As construction projects have become larger and more complex, they develop different features than smaller or traditional projects, which characterize them as complex systems. Still, Construction Engineering and Management (CEM) researchers have mostly relied on traditional approaches to investigate complex management problems, which might produce...

Construction industry pays attention to modular construction recently which based on factory production not on labor intensive site production. Since modular construction has high time shortening effect and easiness of demolition and recycling, it has been applied to the temporary residential building. Domestic modular construction market are not a...

Integrated Project Delivery (IPD) is a new trend in the building industry and a key feature of IPD is the use of BIM to support project collaboration. Therefore, engineers should learn the use of BIM and IPD in the construction industry. In this study, the authors draw necessary components for developing an IPD course curriculum through analyzing a...

Aging educational facility shall be managed and maintained through integrated service perspectives, in consideration of functions of each facility to provide safe and comfortable environment, rather than temporarily fixing/repairing problems. For doing this, it is a must to firstly understand the limitation of highly biased performance-based mainte...

As construction projects become larger and more complex, traditional construction planning and control practice which relies on historical data and heuristic adjustment can no longer produce a plan that incorporates all the managerial details such as productivity dynamics. In addition, the plan, more often than not, does not synchronize with the pr...

As construction projects become larger and more complex, traditional construction planning and control practice which relies on historical data and heuristic adjustment can no longer produce a plan that incorporates all the managerial details such as productivity dynamics. In addition, the plan, more often than not, does not synchronize with the pr...

This study presents the results of our analysis and recommendations for process and productivity improvements. The project studied consists of a 5-story research building, with a structure of steel frames supporting concrete slabs. The observations focused on the analysis of the overall erection and framing process. The methods used for the analysi...

Ministry of Land, Infrastructure and Transport (MOLIT) promote long-life housing to reduce social costs generated by poorly considered rebuilding and extend the life-span of housing. Long-life housing has advantages of durability, floor plan variability, efficient maintenance and ease of remodeling because it is a beam-column structure building. Ho...

As worldwide efforts to reduce global warming gases, the construction Industry is endeavoring to diminish carbon dioxides emissions. Especially, by introducing the LCA methodology to the industry, A variety of related studies to measure the emission of carbon dioxides have been conducted. However, when the conventional LCA methodology is applied to...

As construction projects get larger and more complex, it has become clear that no single entity can have complete knowledge of or the abilities to handle all matters. Therefore, collaborative practices among heterogeneous individuals, which are temporarily congregated to perform a project, are required to accomplish common project objectives. On th...

Construction safety education has mostly relied on one-way transference of knowledge from instructors to students through traditional lectures and media such as textbooks. However, we argue that safety knowledge could be more effectively acquired in experiential situations. The authors have developed a 3D video game where students learn by themselv...

As the world construction market becomes more globalized, an increasing number of construction companies, including both large companies (LCs) and small and medium-sized companies (SMCs), have extended their business to the global market. During this process, the number of collaborative ventures to mitigate the burden of entry risks has greatly inc...

Education is crucial to promoting a safe and healthful working environment in construction and teaching students to identify potential job hazards is its very first step. The authors proposed a 3D video game, Safety Inspector, to provide a comprehensive safety training environment in which students assume the roles of safety inspectors and walk the...

This paper introduces an agent-based simulation (ABS) of "the evolution of collaboration" within inter-organizational networks of construction project teams from a game theory and social network point of views. Our simulation shows that as individuals are less familiar with others in the network and thereby less aware of networks they are involved...

Finding competent collaborators while executing construction projects overseas is of paramount importance for project success. The partner choice and project performance cannot be understood only from an economic viewpoint because it is constrained by the firms’ embeddedness in social relations. Based on this premise, this paper provides not only a...

Schedule delays and cost overruns in large-scale construction projects are caused by a variety of reasons including unrealistic expectations at the planning stage. This paper examines, through computer simulation, the phenomenon of optimism bias regarding organizational dynamics as a potential cause for unrealistic expectations on schedules and bud...

Current construction planning and control practices have proven to be less than ideal when applied to large-scale projects. This derives, in part, from the lack of explicit methods to model organizational and information-handling issues of temporary project teams. An emerging approach called social network analysis (SNA) isintroduced in this paper...

Purpose This paper aims to discuss how a high level of situation awareness (SA) has the potential to enhance first responders' performance and manage work demand resulting from distributed, dynamic, and chaotic situations resulting from a disaster in modern urban environments. It also aims to present a theoretical framework to address needs of an e...

As cities have expanded, they have become more vulnerable to disasters due to their reliance on highly engineered environments and the interdependency among infrastructure systems such as energy and transportation. In addition, it is expected that we will encounter disasters more frequently and that they will be more severe. Nevertheless, the triad...