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Keywords = product breakdown structure (PBS)

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24 pages, 4228 KiB  
Article
An Integrated Planning and Control Framework (IPCF) for Construction Projects—Step 1: Development of the Construction Data Hub (CDH)
by Mai Ghazal and Ahmed Hammad
Appl. Sci. 2025, 15(9), 4682; https://doi.org/10.3390/app15094682 - 23 Apr 2025
Viewed by 703
Abstract
Construction projects generate a significant volume of scattered data in various formats. However, having a large amount of data is insufficient; there is a need to obtain the appropriate metadata to enable extracting useful knowledge from it. Therefore, professionals need a consistent data [...] Read more.
Construction projects generate a significant volume of scattered data in various formats. However, having a large amount of data is insufficient; there is a need to obtain the appropriate metadata to enable extracting useful knowledge from it. Therefore, professionals need a consistent data acquisition model to gather comprehensive data from multiple projects and organizations in a format ready for applying machine learning. This research proposes an Integrated Planning and Control Framework (IPCF) to implement the concept of “From Data to Decision (FD2D)” in the construction industry. The first step of the framework is the development of the Construction Data Hub (CDH). The CDH seeks to collect data from twelve dimensions that impact the project’s planning and control. It relies on using the industry-accepted concept of work packages, which is the optimum level of detail for data acquisition. To validate the CDH, a machine learning model that utilizes the data collected through the CDH is developed to analyze the factors influencing construction project profit. The study revealed six significant profit-influencing factors. These factors might assist estimators in predicting profit margins during the early estimation stage, instead of relying on intuition or uniform rates, which are not always reliable methods. Full article
(This article belongs to the Section Civil Engineering)
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24 pages, 5750 KiB  
Review
Additive Manufacturing in Off-Site Construction: Review and Future Directions
by Jubert Pasco, Zhen Lei and Clodualdo Aranas
Buildings 2022, 12(1), 53; https://doi.org/10.3390/buildings12010053 - 6 Jan 2022
Cited by 47 | Viewed by 8847
Abstract
Additive manufacturing (AM) is one of the pillars of Industry 4.0 to attain a circular economy. The process involves a layer-by-layer deposition of material from a computer-aided-design (CAD) model to form complex shapes. Fast prototyping and waste minimization are the main benefits of [...] Read more.
Additive manufacturing (AM) is one of the pillars of Industry 4.0 to attain a circular economy. The process involves a layer-by-layer deposition of material from a computer-aided-design (CAD) model to form complex shapes. Fast prototyping and waste minimization are the main benefits of employing such a technique. AM technology is presently revolutionizing various industries such as electronics, biomedical, defense, and aerospace. Such technology can be complemented with standardized frameworks to attract industrial acceptance, such as in the construction industry. Off-site construction has the potential to improve construction efficiency by adopting AM. In this paper, the types of additive manufacturing processes were reviewed, with emphasis on applications in off-site construction. This information was complemented with a discussion on the types and mechanical properties of materials that can be produced using AM techniques, particularly metallic components. Strategies to assess cost and material considerations such as Production line Breakdown Structure (PBS) and Value Stream Mapping are highlighted. In addition, a comprehensive approach that evaluates the entire life cycle of the component was suggested when comparing AM techniques and conventional manufacturing options. Full article
(This article belongs to the Section Construction Management, and Computers & Digitization)
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