IoT-based application for construction site safety monitoring

Chung, William Wong Shiu; Tariq, Salman; Mohandes, Saeed Reza; Zayed, Tarek

doi:10.1080/15623599.2020.1847405

Cited by 56 publications

(32 citation statements)

References 41 publications

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“…Data communication technologies include short-and long-range wireless communication technologies. Widely used short-range communication technologies in construction include Chirp-Spread Spectrum (Li et al, 2015), Wi-Fi (Chung et al, 2020), Bluetooth (Park et al, 2017), Ultra-wide band (Zhang et al, 2012), Zig-Bee (Jang and Skibniewski, 2007), and Near Field Communication (NFC) (Mohtat, 2016). Long-range communication technologies include satellite communication, spread spectrum microwave, and enhanced data rates for global system for mobile (GSM) communication evolution.…”

Section: Data Communication Technologiesmentioning

confidence: 99%

Towards next generation cyber-physical systems and digital twins for construction

Akanmu¹,

Anumba²,

Ogunseiju³

2021

ITcon

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The construction industry continues to seek innovative ways to safely, timely and cost-effectively deliver construction projects. Several efforts have been made to automate construction processes but marginial success has been achieved in effectively reducing the long standing risks suffered by the industry. While industry 4.0 promises to improve project efficiency, reduce waste and improve productivity, the transition to this will depend on the successful adoption of many emerging technologies such as virtual design modeling technologies, sensing technologies, data analysis, storage and communication technologies, human-computer interaction technologies, and robotics. To accelerate innovation, digital twins and cyber-physical systems will be a necessity to advance automation and real-time control with these technologies. While digital twin represents a digital replica of the asplanned and as-built facility, cyber physical systems involve integration of physical systems with their digital replica through sensors and actuators. Despite evidence of the efficacy of cyber-physical systems and digital twins for reducing non-fatal injuries, enhancing safety management, improving progress monitoring and enhancing performance monitoring and control of facilities, their adoption in the construction industry is still in its infancy. This paper sheds light on the opportunities offered by cyber-physical systems and digital twins in other industry sectors and advocates for their increased deployment in the construction industry. This paper describes cyber-physical integration of emerging technologies with the physical construction or constructed facility as the next generation digital twin and cyber-physical systems. Potential scenarios of next generation cyber physical system and digital twin for improving workforce productivity, health, and safety, lifecycle management of building systems, and workforce competency are presented.

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Section: Data Communication Technologiesmentioning

confidence: 99%

Towards next generation cyber-physical systems and digital twins for construction

Akanmu¹,

Anumba²,

Ogunseiju³

2021

ITcon

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“…An interesting application of IoT in construction is a prototype that was designed for an IoT-based construction site safety management system [117] that can be operated at a low cost independently of the size of the construction site. Additionally, a model for construction site safety monitoring [118] was developed that identifies real-time safety problems and also stores data for future training and improvement. The same paper provided a cost comparison that showed that an IoT system can provide around a 70% cost savings in comparison to traditional systems.…”

Section: Internet Of Things (Iot)mentioning

confidence: 99%

A Systematic Review of Construction 4.0 in the Context of the BIM 4.0 Premise

Begić

Galić

2021

Buildings

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This paper presents a systematic review of Construction 4.0 in the context of the building information modeling (BIM) 4.0 premise. It comprises a review of the industry in the pre-fourth industrial revolution (4IR) age, the current and anticipated development of the 4IR, Construction 4.0’s origin and applications, and the synergy of its main drivers, i.e., the synergy of BIM with the internet of things (IoT) and big data (BD). The main aim of the paper is to determine the Construction 4.0 drivers and to what extent are they initialized by the 4IR, their development and their synergy with BIM, and the direction of BIM’s implementation in the construction phase. It was found that the main drivers of Construction 4.0, which originated from the 4IR, are BIM, IoT, and BD, but with specific implementations. The results of the analysis of BIM with IoT and/or BD revealed that the integrative approaches combining the aforementioned drivers show signs of project enhancement by providing significant benefits, such as improved real-time monitoring, data exchange and analysis, construction planning, and modeling. Furthermore, it was revealed that the main drivers are mostly applied in the project’s preconstruction phase, which is continuously developing and becoming more automated. The state-of-the-art review presented in this paper suggests that BIM is in transition, adopting Construction 4.0 to become BIM 4.0.

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“…AHP is selected due to its simplicity and suitability to the hierarchical nature of MiC challenges. AHP is a strategic-level decision support technique that breaks down a complex problem into a hierarchical system (Yeung et al 2020;Chung et al 2020). In particular, AHP makes optimal decisions that involve prioritizing potential alternatives/sub-criteria.…”

Section: Prioritization Of Mic Challenges Using Multi-attribute Group Decision-making (Magdm)mentioning

confidence: 99%

A critical analysis of benefits and challenges of implementing modular integrated construction

Wai

Olanrewaju

et al. 2021

International Journal of Construction Management

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Modular integrated construction (MiC) has recently been promoted by the advanced countries as an effective solution to 1) enable fast construction, 2) enhance the diminishing construction productivity, and 3) support sustainable development. In response to the COVID-19 pandemic, the completion of a MiC-based 1000-bed hospital in Wuhan, China, in less than a month, has made the world, especially sophisticated economies, 'talking' about this new technology. However, MiC is an ultra-modern technology that has both its merits and demerits; balancing out between them to maximize the opportunities that MiC has to offer needs insightful decision-making from higher authorities. Therefore, there is a vital need to understand and analyze the two contrasting but related matters, 'benefits and challenges of MiC' to help decision-makers in formulating better strategies based on informed choices. Past studies on MiC reported benefits in terms of time, cost, quality, safety, and environmental and social impacts, however, lack a holistic synthesis of MiC benefits by considering data from both the literature and real case studies. Whereas, the assessment methodologies used to prioritize MiC challenges did not consider the hierarchical nature of these challenges and their relative importance, which in turn impact the prioritization accuracy. This study contributed to bridging these gaps. Firstly, MiC benefits have been extensively explored by adopting a mixed research approach integrating literature synthesis, structured discussions, and real case studies. Then, a list of challenges was explored through literature synthesis and further validated and shortlisted through the first set of interviews from MiC experts. The second set of interviews was aimed mainly at evaluating the performance of MiC and providing recommendations for improvement from the international perspective. The interviews revealed that MiC should be treated as a long-term strategy and would not necessarily be a cheaper option in the short run, however, it would be a revolution in terms of time, quality, sustainability, safety, and life-cycle costs. Following the interviews, a questionnaire survey was conducted to prioritize the challenges using the multi-attribute group decisionmaking (MAGDM) approach, namely, Analytical Hierarchy Process (AHP), considering the hierarchical nature of challenges and their relative importance. The 'road network capacity' was found to be the most critical challenge. Finally, case studies were further carried out to reveal the measures that were adopted to mitigate the challenges in three international MiC projects. This research provides an interesting insight into the positive and negative aspects of using MiC for interested governments and construction stakeholders. It is anticipated that the benefits shall outweigh the drawbacks in the long run. KEYWORDS MiC; benefits; challenges; modular integrated construction; sustainability; case studies; analytical hierarchical process level where 80-90% of the construction work is implemen...

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IoT-based application for construction site safety monitoring

Cited by 56 publications

References 41 publications

Towards next generation cyber-physical systems and digital twins for construction

Towards next generation cyber-physical systems and digital twins for construction

A Systematic Review of Construction 4.0 in the Context of the BIM 4.0 Premise

A critical analysis of benefits and challenges of implementing modular integrated construction

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