Assessment of Terrestrial Laser Scanner against Different Surveying Techniques.( Dept. C)

Abdelmaaboud, Ahmed M.; El-Tokhey, Mohamed; Ragheb, Ahmed E.; Mogahed, Yasser M.

doi:10.21608/bfemu.2021.152523

Cited by 5 publications

(3 citation statements)

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“…Concluímos haver mais vantagens do que desvantagens na utilização do laserscanning. Nas vantagens, podemos incluir a precisão do modelo que é possível obter, a redução do tempo de levantamento, como exemplo um levantamento de 30,00 m 2 com o método tradicional demorou cerca de 4 horas, enquanto o laser scanning demorou cerca de 30 minutos e com uma clara maior precisão [5]. Outra vantagem é o facto de podermos estar a modelar no conforto do nosso local de trabalho e a redução dos custos, seja de transporte ou alojamento.…”

Section: Conclusãounclassified

Scan to BIM: Arquitetura e instalações MEP

Rodrigues,

Miranda

2024

5º Congresso Português De Building Information Modelling Volume 1: ptBIM

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Section: Conclusãounclassified

Scan to BIM: Arquitetura e instalações MEP

Rodrigues,

Miranda

2024

5º Congresso Português De Building Information Modelling Volume 1: ptBIM

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“…Efficient construction progress monitoring requires up-to-date and accurate as-built progress information. However, the traditional methods for collecting and processing this information are time-consuming and labor-intensive, leading to the possibility of missing or inaccurate information [42,[44][45][46][47][48]. Although automated progress monitoring systems are being developed with time to address this issue, there is still a significant challenge in performing the exchange of progress information in terms of automation, accuracy, standardization, and interoperability [33].…”

Section: Literature Reviewmentioning

confidence: 99%

Exchanging Progress Information Using IFC-Based BIM for Automated Progress Monitoring

Sheik,

Veelaert,

Deruyter

2023

Buildings

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BIM has become an intrinsic tool in managing building projects due to its ability to comprehensively represent information in digital form. However, using BIM as an information exchange tool is still in its infancy, particularly with regard to construction progress monitoring beyond time schedule information. The current study focuses on the development of an automated progress monitoring framework based on an IFC-based BIM and provides an extensive methodology based on a structured task-based approach in accordance with the latest IFC4.x schema in four stages. The first stage creates the appropriate IFC entities, which are then enriched with their values in the second stage. The third stage integrates the actual progress information, which requires regular updating from the construction site. Finally, the fourth stage enables the retrieval of progress information, which is then reported in a user-friendly format along with the estimation of additional progress indicators. The proposed method successfully integrated the progress information into their IFC-based BIM models, demonstrating its practical use for monitoring construction progress. In the end, a web-based application was also developed that made use of progress information stored within the standardized hierarchy of the updated IFC-based BIM to facilitate efficient reporting.

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“…The monitoring of construction progress requires up to date as-built data. Traditional measurement methods are still widely used in construction, although they are time-consuming and more prone to human error [10,11], resulting in time-inefficient project monitoring and decision-making. Moreover, timely and accurate spatial information is essential in today's complex civil engineering projects [12].…”

Section: Introductionmentioning

confidence: 99%

Automation of Construction Progress Monitoring by Integrating 3D Point Cloud Data with an IFC-Based BIM Model

et al. 2022

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Automated construction progress monitoring using as-planned building information modeling (BIM) and as-built point cloud data integration has substantial potential and could lead to the fast-tracking of construction work and identifying discrepancies. Laser scanning is becoming mainstream for conducting construction surveys due to the accuracy of the data obtained and the speed of the process; however, construction progress monitoring techniques are still limited because of the complexity of the methods, incompleteness of the scanned areas, or the obstructions by temporary objects in construction sites. The novel method proposed within this study enables the extracting of BIM data, calculating the plane equation of the faces, and performing a point-to-plane distance estimation, which successfully overcomes some limitations reported in previous studies, including automated object detection in an occluded environment. Six datasets consisting of point clouds collected by static and mobile laser scanning techniques including the corresponding BIM models were analyzed. In all the analyzed cases, the proposed method automatically detected whether the construction of an object was completed or not in the as-built point cloud compared to the provided as-planned BIM model.

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Assessment of Terrestrial Laser Scanner against Different Surveying Techniques.( Dept. C)

Cited by 5 publications

References 0 publications

Scan to BIM: Arquitetura e instalações MEP

Scan to BIM: Arquitetura e instalações MEP

Exchanging Progress Information Using IFC-Based BIM for Automated Progress Monitoring

Automation of Construction Progress Monitoring by Integrating 3D Point Cloud Data with an IFC-Based BIM Model

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