Improving The Quality Of Bridge Inspections Using Unmanned Aircraft Systems Uas

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Improving the Quality of Bridge Inspections Using Unmanned Aircraft Systems (UAS)

Author : Jennifer Wells
Publisher :
ISBN 13 :
Total Pages : 345 pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Improving the Quality of Bridge Inspections Using Unmanned Aircraft Systems (UAS) by : Jennifer Wells

Download or read book Improving the Quality of Bridge Inspections Using Unmanned Aircraft Systems (UAS) written by Jennifer Wells and published by . This book was released on 2018 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridges are a key part of our transportation system and maintaining this infrastructure is important to ensure the safety of the traveling public and to effectively manage these valuable assets. Safety inspections not only ensure the structural integrity of a bridge but provide valuable data to decision makers. The Minnesota Department of Transportation and Collins Engineers, Inc. has completed this third phase of research focused on utilizing drones as a tool for improving the quality of bridge inspections. The previous phases focused on the rules and regulations, drone hardware and the ability of drones to collect quality inspection data. This phase of research has identified new drone technology and methods to address limitations identified in Phase II. More importantly, this research phase has focused on the value of data collected during the inspection and finding ways to process the data into actionable inspection deliverables that greatly improve the quality of the inspections. These inspection deliverables better communicate the inspection results to bridge owners and engineers. Our world is being transformed by technology including drones that can collect, process, store, and analyze large amounts of data and this research is applying the same transformative concepts and technology to improve bridge inspection outcomes.

Unmanned Aircraft Systems for Bridge Inspection

Author : Matthew N. Gillins
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (968 download)

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Book Synopsis Unmanned Aircraft Systems for Bridge Inspection by : Matthew N. Gillins

Download or read book Unmanned Aircraft Systems for Bridge Inspection written by Matthew N. Gillins and published by . This book was released on 2016 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridge inspections are vital for monitoring the health and serviceability of transportation infrastructure throughout the world. However, inspections can be logistically-challenging, expensive, and dangerous. For example, inspections may require climbing, as well as the use of scaffolding, ladders, rescue boats, bucket trucks, and/or under-bridge inspection vehicles. Small, multirotor unmanned aircraft systems (UAS) offer a potential means of overcoming or alleviating some of these challenges. Among the primary benefits of UAS for inspections are the ability to maneuver adeptly in 3D space, change view angles, and acquire high-resolution imagery, enabling the inspector to view (in real time and/or post-flight using post-processing enhancements, as needed) bridge elements in difficult-to-access locations, all while keeping both feet firmly on the ground. As transportation departments, inspection firms, and service providers increasingly recognize these potential benefits, interest in UAS for bridge inspections is growing rapidly. While a number of UAS bridge inspection projects have been documented in published reports and case studies, the rate of change of both UAS technology and associated regulations necessitates additional research and development, especially with regards to operational aspects of UAS bridge inspection. The purpose of this study was to develop, test and document an end-to-end operational workflow for UAS bridge inspections, with a particular focus on regulatory and safety aspects. Since it is recognized that UAS are simply one tool for this particular application, another key focus on this study was on investigating which aspects of bridge inspection can and cannot be aided by UAS. As part of the study, three bridges in Oregon, representing different bridge types, conditions and locations, were inspected using small, multirotor UAS.

Cost-effective Bridge Safety Inspections Using Unmanned Aerial Vehicles (UAVs)

Author : Daniel T. Gillins
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (117 download)

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Book Synopsis Cost-effective Bridge Safety Inspections Using Unmanned Aerial Vehicles (UAVs) by : Daniel T. Gillins

Download or read book Cost-effective Bridge Safety Inspections Using Unmanned Aerial Vehicles (UAVs) written by Daniel T. Gillins and published by . This book was released on 2016 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of a study on the use of unmanned aircraft systems (UAS) in bridge inspections. A detailed literature review was conducted to assess and document the current state of knowledge on the use of UAS in structural inspections and related engineering applications. A particular focus was on related work done by various state DOTs. Given the technical specifications and findings documented in the literature review, an item-by -item review of bridge inspection manuals was then performed to assess which elements of a bridge inspection could potentially benefit from use of UAS. Additionally, various categories of UAS and payloads were evaluated for bridge inspection. A small multicopter UAS was acquired and used to collect ultra-high-definition video and still imagery of a large bridge in Independence, Oregon. The imagery was reviewed by project team members and ODOT bridge inspectors. The results of the Independence Bridge inspection are presented, along with recommendations for further work. The study identified several challenges on the use of UAS for bridge inspection, including the need to capture very high resolution imagery, and problems due to strong wind and poor lighting conditions.

Unmanned Aerial Vehicle Bridge Inspection Demonstration Project

Author :
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (949 download)

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Book Synopsis Unmanned Aerial Vehicle Bridge Inspection Demonstration Project by :

Download or read book Unmanned Aerial Vehicle Bridge Inspection Demonstration Project written by and published by . This book was released on 2015 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing costs of bridge inspections are a concern for the Minnesota Department of Transportation (MnDOT). The use of Unmanned Aerial Vehicles (UAV) may help alleviate these costs and improve the quality of bridge inspections. The overall goal of the UAV Bridge Inspection Demonstration Project was to study the effectiveness of utilizing UAV technology as it could apply to bridge safety inspections. The project team investigated the technology on four bridges located throughout Minnesota. The project team evaluated the UAVs effectiveness as it could apply to bridge inspections based on UAV field results. Various UAV capabilities were utilized to evaluate current technologies as they relate to use in bridge inspections. This study details the advantages and challenges of potentially using UAVs to aid in bridge inspection, an analysis of current and future UAV technologies as they relate to bridge inspection, and an analysis describing how current and future technologies adhere to the National Bridge Inspection Standards.

The Integration of Unmanned Aircraft Systems to Increase Safety and Decrease Costs of Transportation Projects and Related Tasks

Author : Jarlath P.M. O'Neil-Dunne
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis The Integration of Unmanned Aircraft Systems to Increase Safety and Decrease Costs of Transportation Projects and Related Tasks by : Jarlath P.M. O'Neil-Dunne

Download or read book The Integration of Unmanned Aircraft Systems to Increase Safety and Decrease Costs of Transportation Projects and Related Tasks written by Jarlath P.M. O'Neil-Dunne and published by . This book was released on 2019 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unmanned Aircraft System Bridge Inspection Demonstration Project Phase II

Author : Jennifer Wells
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Unmanned Aircraft System Bridge Inspection Demonstration Project Phase II by : Jennifer Wells

Download or read book Unmanned Aircraft System Bridge Inspection Demonstration Project Phase II written by Jennifer Wells and published by . This book was released on 2017 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Unmanned Aircraft System (UAS) is defined by the Federal Aviation Administration (FAA) as an aircraft operated without the possibility of direct human intervention from within the aircraft. Unmanned aircraft are familiarly referred to as drones, and the names can be used interchangeably. The UAS is controlled either autonomously or with the use of a remote control by a pilot from the ground. These UASs offer a wide range of imaging technologies which include photographic stills, video, and infrared sensors that can be viewed live and later processed to assist with inspections. Bridge inspections often pose logistical challenges to efficiently and effectively inspect a wide variety of structure types; therefore, inspection by UAS is a solution that can be safe and cost-effective. The Minnesota Department of Transportation (MnDOT) and Collins Engineers have been researching the use of UASs as a tool for bridge inspections in a multi-phase project. This phase of the study research identified potential applications of UAS technology to aid in bridge inspections and is a continuation of a previous study by the MnDOT.

Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations

Author : Hiroshi Yokota
Publisher : CRC Press
ISBN 13 : 1000173755
Total Pages : 926 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations by : Hiroshi Yokota

Download or read book Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations written by Hiroshi Yokota and published by CRC Press. This book was released on 2021-04-20 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations contains lectures and papers presented at the Tenth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2020), held in Sapporo, Hokkaido, Japan, April 11–15, 2021. This volume consists of a book of extended abstracts and a USB card containing the full papers of 571 contributions presented at IABMAS 2020, including the T.Y. Lin Lecture, 9 Keynote Lectures, and 561 technical papers from 40 countries. The contributions presented at IABMAS 2020 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of maintenance, safety, management, life-cycle sustainability and technological innovations of bridges. Major topics include: advanced bridge design, construction and maintenance approaches, safety, reliability and risk evaluation, life-cycle management, life-cycle sustainability, standardization, analytical models, bridge management systems, service life prediction, maintenance and management strategies, structural health monitoring, non-destructive testing and field testing, safety, resilience, robustness and redundancy, durability enhancement, repair and rehabilitation, fatigue and corrosion, extreme loads, and application of information and computer technology and artificial intelligence for bridges, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of making more rational decisions on maintenance, safety, management, life-cycle sustainability and technological innovations of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including engineers, researchers, academics and students from all areas of bridge engineering.

Overcoming the Challenges of Using Unmanned Aircraft for Bridge Inspections

Author : Ignacio Hernandez
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (953 download)

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Book Synopsis Overcoming the Challenges of Using Unmanned Aircraft for Bridge Inspections by : Ignacio Hernandez

Download or read book Overcoming the Challenges of Using Unmanned Aircraft for Bridge Inspections written by Ignacio Hernandez and published by . This book was released on 2016 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications for small unmanned aerial vehicles have exploded over the past decade. Small size, maneuverability, low cost, and versatility enable utilization for applications not readily accessible by traditional manned aircraft, such as bridge inspections. However, the challenges associated with conducting inspections in a safe, cost efficient manner currently exceed the benefits of using an unmanned aircraft for inspection. The development of a multirotor-based inspection aircraft capable of maintaining flight for over eight hours is presented. Flight results from a bridge inspection conducted in collaboration with the Missouri Department of Transportation (MoDOT) and Shafer, Kline, & Warren (SKW) bridge inspection crews are also discussed. Feedback and recommendations for inspection platform improvement from MoDOT and SKW inspectors was collected. Inspectors and flight crew identified challenges with camera exposure, dual pilotinspector remote control, and aircraft stability. As a result, a new inspection platform was developed allowing for wireless dual remote control and manual control of camera exposure. Finally, and most importantly, a new metric for quantifying UAS handling and pilot workload in GPS denied environments is introduced through rigorous flight testing and the use of a modified Cooper-Harper rating scale. Inspection of the bridge substructure prevented GPS lock and increased pilot workload. To mimic the effects of flying around a bridge flight testing is conducted at the UMKC parking garage where GPS lock is denied. The aircraft and inspection solutions discussed herein have demonstrated success for acquiring meaningful inspection data while conducting safe flight operations.

Bridge Structural Inspections Using Bridge Information Modeling (BrIM) and Unmanned Aerial Vehicles (UAVs)

Author : Yelda Turkan
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis Bridge Structural Inspections Using Bridge Information Modeling (BrIM) and Unmanned Aerial Vehicles (UAVs) by : Yelda Turkan

Download or read book Bridge Structural Inspections Using Bridge Information Modeling (BrIM) and Unmanned Aerial Vehicles (UAVs) written by Yelda Turkan and published by . This book was released on 2019 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unmanned Aircraft Systems (UAS) - Metro District Bridge Inspection Implementation

Author : Jennifer Wells
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (127 download)

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Book Synopsis Unmanned Aircraft Systems (UAS) - Metro District Bridge Inspection Implementation by : Jennifer Wells

Download or read book Unmanned Aircraft Systems (UAS) - Metro District Bridge Inspection Implementation written by Jennifer Wells and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Drones for bridge inspection research has been completed by MnDOT in multiple phases since 2015. As of summer, 2017, Phase III of this research began using the SenseFly Albris and the Flyability Elios, a collision-tolerant drone more suited to confined spaces such as box girders, culverts, or areas that are difficult to access. Due to the success of this research, MnDOT Metro District purchased the Elios drone to supplement bridge inspection access where space is confined and optimal lane closures are prohibited, which has been an on-going issue in the District due to traffic volumes. This project implements drone inspection for the metro bridge inventory and other similar representative structures by creating an inspection plan that identifies bridges best suited for drone use, what parameters govern drone use in bridge inspection, and how unmanned aircraft systems (UAS) can be integrated into standard inspection operations. The project explores relevant technology, including reality modeling software, drone hardware, artificial intelligence, and autonomous flights. This project also delivers the UAS Safety and Operation Manual specific to the Metro District.

An Introduction to Bridge Inspection for Construction Managers

Author : J. Paul Guyer, P.E., R.A.
Publisher : Guyer Partners
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4./5 ( download)

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Book Synopsis An Introduction to Bridge Inspection for Construction Managers by : J. Paul Guyer, P.E., R.A.

Download or read book An Introduction to Bridge Inspection for Construction Managers written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2022-05-24 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for construction managers interested in inspection of bridges. Here is what is discussed: 1. INSPECTION TYPES AND INTERVALS, 2. INSPECTION PROCEDURES.

Unmanned Aerial Vehicle Augmented Bridge Inspection Feasibility Study

Author : Sattar Dorafshan
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Unmanned Aerial Vehicle Augmented Bridge Inspection Feasibility Study by : Sattar Dorafshan

Download or read book Unmanned Aerial Vehicle Augmented Bridge Inspection Feasibility Study written by Sattar Dorafshan and published by . This book was released on 2017 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: The applications of Unmanned Aerial Systems (UAS) for bridge inspection, with emphasis on under-bridge inspection and fatigue crack detection, were studied in this report. The potential benefits and challenges of using UAS for bridge inspection were identified through an extensive literature survey. The feasibility of using UAS for fatigue crack detection was studied by determining the minimum lighting, camera distance and environmental requirements for three UAS. The DJI Mavic UAS performed better than the others in both indoor and outdoor GPS-denied inspections. An in-service bridge in Ashton, Idaho was inspected using this UAS to find fatigue cracks. No fatigue crack, known or new, was detected in the UAS images but marker lines around the known fatigue cracks (drawn by the inspectors in previous inspections), concrete defects, and steel rust were detected. Thermography showed promising results for fatigue crack detection in a lab setting, but it was not feasible for UAS applications since it had to be performed using active thermography techniques to obtain adequate results. Additionally, image processing algorithms for autonomous detection of both concrete and fatigue cracks were successfully developed. These algorithms, especially for fatigue crack detection, require more images to perform better, but were demonstrated as feasible to aid in a real-time inspection. Inspections in semi-controlled conditions at the S-BRITE center showed that UAS assisted inspections can provide inspections similar, at-best, to human inspections.

Applications of Small Unmanned Aircraft Systems

Author : J.B. Sharma
Publisher : CRC Press
ISBN 13 : 0429534329
Total Pages : 281 pages
Book Rating : 4.4/5 (295 download)

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Book Synopsis Applications of Small Unmanned Aircraft Systems by : J.B. Sharma

Download or read book Applications of Small Unmanned Aircraft Systems written by J.B. Sharma and published by CRC Press. This book was released on 2019-10-18 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in high spatial resolution mapping capabilities and the new rules established by the Federal Aviation Administration in the United States for the operation of Small Unmanned Aircraft Systems (sUAS) have provided new opportunities to acquire aerial data at a lower cost and more safely versus other methods. A similar opening of the skies for sUAS applications is being allowed in countries across the world. Also, sUAS can access hazardous or inaccessible areas during disaster events and provide rapid response when needed. Applications of Small Unmanned Aircraft systems: Best Practices and Case Studies is the first book that brings together the best practices of sUAS applied to a broad range of issues in high spatial resolution mapping projects. Very few sUAS pilots have the knowledge of how the collected imagery is processed into value added mapping products that have commercial and/or academic import. Since the field of sUAS applications is just a few years old, this book covers the need for a compendium of case studies to guide the planning, data collection, and most importantly data processing and map error issues, with the range of sensors available to the user community. Written by experienced academics and professionals, this book serves as a guide on how to formulate sUAS based projects, from choice of a sUAS, flight planning for a particular application, sensors and data acquisition, data processing software, mapping software and use of the high spatial resolution maps produced for particular types of geospatial modeling. Features: Focus on sUAS based data acquisition and processing into map products Broad range of case studies by highly experienced academics Practical guidance on sUAS hardware, sensors, and software utilized Compilation of workflow insights from expert professors and professionals Relevant to academia, government, and industry Positional and thematic map accuracy, UAS curriculum development and workflow replicability issues This book would be an excellent text for upper-level undergraduate to graduate level sUAS mapping application courses. It is also invaluable as a reference for educators designing sUAS based curriculum as well as for potential sUAS users to assess the scope of mapping projects that can be done with this technology.

Advances in Informatics and Computing in Civil and Construction Engineering

Author : Ivan Mutis
Publisher : Springer
ISBN 13 : 3030002209
Total Pages : 914 pages
Book Rating : 4.0/5 (3 download)

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Book Synopsis Advances in Informatics and Computing in Civil and Construction Engineering by : Ivan Mutis

Download or read book Advances in Informatics and Computing in Civil and Construction Engineering written by Ivan Mutis and published by Springer. This book was released on 2018-10-08 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume chronicles the papers presented at the 35th CIB W78 2018 Conference: IT in Design, Construction, and Management, held in Chicago, IL, USA, in October 2018. The theme of the conference focused on fostering, encouraging, and promoting research and development in the application of integrated information technology (IT) throughout the life-cycle of the design, construction, and occupancy of buildings and related facilities. The CIB – International Council for Research and Innovation in Building Construction – was established in 1953 as an association whose objectives were to stimulate and facilitate international cooperation and information exchange between governmental research institutes in the building and construction sector, with an emphasis on those institutes engaged in technical fields of research. The conference brought together more than 200 scholars from 40 countries, who presented the innovative concepts and methods featured in this collection of papers.

Controlled-Environment Testing of UAS Digital Camera Sensor Specifications and Operational Parameters for Bridge Safety Inspections

Download Controlled-Environment Testing of UAS Digital Camera Sensor Specifications and Operational Parameters for Bridge Safety Inspections PDF Online Free

Author : Hoda Azari
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (126 download)

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Book Synopsis Controlled-Environment Testing of UAS Digital Camera Sensor Specifications and Operational Parameters for Bridge Safety Inspections by : Hoda Azari

Download or read book Controlled-Environment Testing of UAS Digital Camera Sensor Specifications and Operational Parameters for Bridge Safety Inspections written by Hoda Azari and published by . This book was released on 2021 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: As more bridge inspection programs incorporate unmanned aerial systems (UAS) as a tool to enhance the inspection process, fact-based information on optimum specifications for the sensors UAS can carry and other key operational considerations impacting UAS imagery will aid bridge owners and inspectors when considering the acquisition and operation of UAS. Research for this TechBrief and its companion report was conducted both in the field as well as in a laboratory setting to capture and analyze data that will assist agency decisionmakers when considering integrating UAS into their inspection programs. This TechBrief discusses the testing conducted at the University of Maine to examine the key parameters that can be controlled or managed by the operator to positively impact the quality of UAS imagery. These parameters include the following sensor settings: Exposure, shutter speed, and ISO settings for sensor sensitivity to light; Aircraft navigation and stabilization; UAS standoff distance from the bridge structure; Wind speeds; Lighting. This TechBrief offers recommendations to aid in both UAS acquisition and operational decision making

Advances in Unmanned Aerial Vehicles

Author : Kimon P. Valavanis
Publisher : Springer Science & Business Media
ISBN 13 : 1402061145
Total Pages : 552 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Advances in Unmanned Aerial Vehicles by : Kimon P. Valavanis

Download or read book Advances in Unmanned Aerial Vehicles written by Kimon P. Valavanis and published by Springer Science & Business Media. This book was released on 2008-02-26 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past decade has seen tremendous interest in the production and refinement of unmanned aerial vehicles, both fixed-wing, such as airplanes and rotary-wing, such as helicopters and vertical takeoff and landing vehicles. This book provides a diversified survey of research and development on small and miniature unmanned aerial vehicles of both fixed and rotary wing designs. From historical background to proposed new applications, this is the most comprehensive reference yet.

USING UNMANNED AIRCRAFT SYSTEMS FOR CONSTRUCTION VERIFICATION, VOLUME CALCULATIONS, AND FIELD INSPECTION.

Author : Andres Leonardo Acero Molina
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis USING UNMANNED AIRCRAFT SYSTEMS FOR CONSTRUCTION VERIFICATION, VOLUME CALCULATIONS, AND FIELD INSPECTION. by : Andres Leonardo Acero Molina

Download or read book USING UNMANNED AIRCRAFT SYSTEMS FOR CONSTRUCTION VERIFICATION, VOLUME CALCULATIONS, AND FIELD INSPECTION. written by Andres Leonardo Acero Molina and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The construction field is one of the most variable industries due to continuous technological advances impacting this industry. Innovative research is currently being applied to construction disciplines such as surveying and design in order to optimize labor, costs, and time. However, there remains a need to improve productivity and safety for construction projects. Unmanned Aircraft Systems (UAS) have been implemented as a means to offer a new alternative for onsite data collection, due to the limitations of traditional surveying methods such as GPS and total station, which are usually an exhausting manual process. The main goal of this research was to use UAS technologies to improve the efficiency of construction surveying and inspection activities. Different UAS flights were performed to verify a variety of measurements obtained from building plans. The comparison of volume calculations for an aggregate pile was determined using full point cloud data to generate a 3D model, which was compared with the 3D models obtained using GPS point and extracted point cloud. The model obtained using the full point cloud data showed greater accuracy as compared with the traditional surveying models since its generated surface was more similar to the actual surface of the pile. Field inspection of a bridge's typical structures was accomplished by using a point cloud model, as well as photogrammetric models under daylight and twilight conditions. The highest linear measurement variation for field inspection was almost 1/3 foot in a 33-foot length. This outcome yielded a generally acceptable degree of accuracy for inspection tasks. In addition, photogrammetric models can provide high-quality pictures for visual inspection of other bridge components, such as the assessment of the Rip Rap located at the beginning of the bridge selected for this research.