Unmanned Aerial Vehicle Applications and Issues for Construction

Opfer, Neil; Shields, David R.

doi:10.18260/1-2--23235

Cited by 20 publications

(20 citation statements)

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“…Aerial photography for the project using an airplane or helicopter conventionally has led to high expenses. However with the use of UAVs to replace the conventional method capable of providing images of high quality video to a lower cost [16]. Images are taken at intervals a certain time so that the area covered by each image along the flight path contains most of the photo image area covered by the previous image.…”

Section: Slope Monitoringmentioning

confidence: 99%

Visual Inspection of High Risk Slope by Micro-UAV Air-craft

Ngadiman¹

2020

IJATCSE

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Continuous monitoring and inspection of slope can provide early warning before the landslide. The conventional method practices now for slope monitoring through routin inspection by inspectors that need to climb the slope and hillside to check visually. Therefore, this study aimed to test the extent to which the use of micro-UAV flight can help in visual inspection and monitoring of the slope. Purposes of this study is to record visual data on the slope obtained using UAVs, before processing and analyzimg visual information in order to determine any damage occurred on the slopes as well as to produce Digital Terrain Model (DTM) and contouring lines. This study was carried out at an area of high risk slope in Bukit Setiawangsa, Kuala Lumpur. The methods involved in this study are start with flight planning and prepa-ration, obtain visual data and information from micro UAV flying height of 30 meters to produce a 3-dimensional image and 2-5 meters before analyze and produce 3D slope model using Agisoft Photoscan software. The 3D model were used to identify the location of the damage on the slope for a long distance of 30 meters and a short distance of 2-5 meters. Slope damages such as erosion, vegetation cover and cracks were visually shown in the 3D model image. Digital Elevation Model '(DEM) was used to mapping different heights area on the slope. Information obtained examination is essential in giving the impression and impact that may occur based on the current situation on the slope structure so that maintenance work can be acted upon before the mishap. The usage of micro UAV aircraft as one of the new alterna-tives to capture and identify the damage for the purpose of monitoring the slope of the surface structure. This method expected to facilitate the work of inspection slopes in addition to saving time, energy and cost as well as to reduce the risk of harm.

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Section: Slope Monitoringmentioning

confidence: 99%

Visual Inspection of High Risk Slope by Micro-UAV Air-craft

Ngadiman¹

2020

IJATCSE

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“…With respect to quality control, RPAs have been used to inspect façades (Landes et al, 2012) and concrete curtain walls (Liu, Jennesse and Holley, 2016), proving effective in relation to cost, time and safety risk reduction. In an irregular practice, used RPAs for indoor inspection of an under-construction project, and they have also been used to identify insulation defects, which show on images as increased heat flow points, while water leakage appears as colder spots (Opfer and PE, 2014).…”

Section: Clusters Of Research On Rpasmentioning

confidence: 99%

“…RPAs have also been used to monitor the structural health of industrial chimneys, heritage buildings (Hallermann and Morgenthal, 2013) and damaged buildings postearthquake (Li et al, 2014;Hirose et al, 2015), and post-fire (Opfer and PE, 2014). Other applications of RPAs include identifying cases of delamination, deformation, deterioration and cracking (Ellenberg et al, 2016;Reagan et al, 2016).…”

Section: Clusters Of Research On Rpasmentioning

confidence: 99%

“…Geometric models of constructed facilities, attained through images taken from a close range, are invaluable in structural and energy analyses (Roca et al, 2013;Schindler and Bauer, 2003;Ordóñez et al, 2010). RPAs are ideal for this task (Seitz et al, 2006), and their usage cost is significantly below that of helicopters or planes (Opfer and PE, 2014).…”

Section: Clusters Of Research On Rpasmentioning

confidence: 99%

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Scientometric analysis of research on “remotely piloted aircraft”

Golizadeh

Hosseini

Martek

et al. 2019

ECAM

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Purpose Remotely piloted aircraft (RPA) systems have emerged as an established tool within the construction industry. Concurrent with this trend has been the rise in research on RPA, establishing this as a new field of study within the construction management domain. What is needed now is an assessment of the current state of research in this emerging discipline – its strengths and weaknesses – by which future research on RPA in construction may be guided. The purpose of this paper is to address this need. Design/methodology/approach A total of 59 peer-reviewed journal articles covering RPAs within the construction domain were systematically reviewed using a mixed-methods approach, utilizing qualitative-scientometric analyses techniques. Findings The results reveal a field of study in its fledgling stage, with a limited number of experts operating somewhat in isolation, from a limited number of institutions. Key publication outlets are identified, with the main focus of research being in the technical areas of remote sensing, photogrammetry and image processing. Practical implications The study benefits researchers and industry practitioners alike. For researchers, the identified gaps reveal areas of high priority in future research. For construction companies, particularly small to medium-sized businesses, the study raises awareness of the latest developments and potential applicability of RPAs in the industry. Originality/value The study exposes what is missing from current research: a broader consideration of organizational adjustments needed to accommodate RPA usage, economic analyses and impediments to wider acceptance.

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“…A source of ignition (e.g., spark caused by rotating blades of UAVs involved in a collision with any metal surface) can encounter existing combustible dust particles resulting in dangerous dust explosion accidents (Abuswer, Amyotte, Khan, & Morrison, 2013). Besides, onboard lithium battery cartridges and liquid fuel resources for powering the propulsion of UAVs are practicable sources of potential fire hazard (Opfer & Shields, 2014). The following Table 1 depicts a summary of the UAV-associated operational and safety challenges that can materialize in construction sites during flight operations.…”

Section: Understanding the Potential Safety Risksmentioning

confidence: 99%

The Dark Side of the Drones: A Review of Emerging Safety Implications in Construction

Khalid¹,

Namian²,

Massarra³

EPiC Series in Built Environment

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The construction industry has experienced a significantly rapid integration of Unmanned Aerial Vehicles (UAVs), (known as drones) within multifarious construction applications due to their prevalent stature in accessibility, reliability, accuracy, and low-cost. Given the dynamic nature of the hazard-prone construction sites, the rapid proliferation of UAVs potentially incorporates additional operational complexities, hazards, and associated safety risks. These safety implications are emerging in the absence of construction-specific UAV-standard guidelines and strategies for effective risk mitigation. Despite the remarkable benefits, UAVs can expose workers to a wide range of unwarranted workplace hazards, especially when operating around densely populated construction sites. This study aims to (1) explore the current understanding of the UAV-associated safety risks and (2) identify the potential risks to which construction workers are exposed. Collisions with workers and properties have been found to be the key safety risks of UAV adoption. In this context, due to the scarcity of studies, there is a substantial lack of construction-based safety understanding relevant to UAV applications. It is expected that the industry professionals and practitioners can benefit from the presented information to effectively address the safety risks and develop appropriate control measures to ensure safe operation by preventing accidents.

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Unmanned Aerial Vehicle Applications and Issues for Construction

Cited by 20 publications

References 0 publications

Visual Inspection of High Risk Slope by Micro-UAV Air-craft

Visual Inspection of High Risk Slope by Micro-UAV Air-craft

Scientometric analysis of research on “remotely piloted aircraft”

The Dark Side of the Drones: A Review of Emerging Safety Implications in Construction

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