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Dissertations / Theses on the topic 'Bridge inspection with UAS'

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Published: 4 June 2025

Last updated: 1 August 2025

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1

Bianchi, Eric Loran. "COCO-Bridge: Common Objects in Context Dataset and Benchmark for Structural Detail Detection of Bridges." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/87588.

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Common Objects in Context for bridge inspection (COCO-Bridge) was introduced for use by unmanned aircraft systems (UAS) to assist in GPS denied environments, flight-planning, and detail identification and contextualization, but has far-reaching applications such as augmented reality (AR) and other artificial intelligence (AI) platforms. COCO-Bridge is an annotated dataset which can be trained using a convolutional neural network (CNN) to identify specific structural details. Many annotated datasets have been developed to detect regions of interest in images for a wide variety of applications a

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AVENDAÑO, JUAN CAMILO. "Identification and quantification of concrete cracks using image analysis and machine learning." Thesis, KTH, Bro- och stålbyggnad, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-286025.

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Nowadays inspections of civil engineering structures are performed manually at close range to be able to assess damages. This requires specialized equipment that tends to be expensive and to produce closure of the bridge. Furthermore, manual inspections are time-consuming and can often be a source or risk for the inspectors. Moreover, manual inspections are subjective and highly dependent on the state of mind of the inspector which reduces the accuracy of this kind of inspections. Image-based inspections using cameras or unmanned aerial vehicles (UAV) combined with image processing have been u

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3

Krajewski, Joseph E. "Bridge inspection and interferometry." Link to electronic thesis, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-050406-092613/.

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4

Anitori, Giorgio. "Risk-based highway bridge inspection intervals." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672102.

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Infrastructure maintenance programs establish schedules for routine inspections of highway bridges with little consideration of their current conditions. The time interval between two inspections is traditionally set based on experience and on engineering judgment. For example, in the US considerable expenditures are incurred to meet the required biennial routine inspection of all bridges many of which may be in good condition. It is therefore of great interest for the engineering community to develop an approach to control inspection schedules of individual bridges and minimize their assoc

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5

Saenthan, Sathananathan. "Risk-based inspection planning for bridge networks." Thesis, University of Surrey, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531396.

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6

Ahamdi, Hossein. "Concrete Bridge Deck Aging, Inspection and Maintenance." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1513292224089599.

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7

Dadson, Daniel K. "Impact of Environmental Classification on Steel Girder Bridge Elements Using Bridge Inspection Data." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/27772.

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State Departments of Transportation (DOT's) have established Bridge Management Systems (BMS) with procedures to aid in estimating service lives of bridge components and elements. Service life estimates, together with cost information, are used to develop life-cycle costs of bridges. These estimates are necessary to prioritize and optimize bridge improvement programs within budgetary constraints. Several factors, including age, traffic, and environment have been identified in current BMS literature as being directly responsible for the deterioration of bridge components or elements. However

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Berk, Aysu. "Development Of A Safety-inspection Methodology For River Bridges." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607422/index.pdf.

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River bridges get damaged or even collapse because of various reasons, such as development of adverse hydraulic conditions during severe floods, disastrous earthquakes, deficiencies in structural and geotechnical design, material deficiencies, or other unexpected external factors. Failure of service at vital lifelines, bridges, can lead to loss of several lives and properties, traffic disruption, and/or deficiencies in daily usage. Existing structures should be monitored periodically for decision-making and necessary protective works should be implemented to increase the safety. Types of items

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9

Larsen, Jacob Lynn. "Automated Impact Response Sounding for Accelerated Concrete Bridge Deck Inspection." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/6989.

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Infrastructure deterioration is an international problem requiring significant attention. One particular manifestation of this deterioration is the occurrence of sub-surface cracking (delaminations) in reinforced concrete bridge decks. Of many techniques available for inspection, air-coupled impact-echo testing, or sounding, is a non-destructive evaluation technique to determine the presence and location of delaminations based upon the acoustic response of a bridge deck when struck by an impactor. In this work, two automated air-coupled impact echo sounding devices were designed and constructe

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10

Nsabimana, Placide. "A method for prioritisation of concrete bridge inspections in South Africa." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96770.

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Thesis (MEng)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: Bridges are amongst the most important structures of any highway network. Once the bridge construction is complete and a bridge is put into service, it is subjected to deteriorations. An effective condition assessment, as a component of bridge management system, is therefore necessary to keep bridges in admissible conditions of safety and serviceability. In South Africa, some bridge authorities do not have sufficient funds to carry out bridge inspections at required intervals. In the case where bridge authorities have enou

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11

Alexander, Adam Ross Washer Glenn A. "Guideline for implementing quality control and quality assurance for bridge inspection." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6560.

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The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on October 13, 2009). Thesis advisor: Dr. Glenn Washer. Includes bibliographical references.

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12

Huethwohl, Philipp Karl. "Bridge damage detection and BIM mapping." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/285562.

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Bridges are a vitally important part of modern infrastructure. Their condition needs to be monitored on a continuous basis in order to ensure their safety and functionality. Teams of engineers visually inspect more than half a million bridges per year in the US and the EU. There is clear evidence to suggest that they are not able to meet all bridge inspection guideline requirements. In addition, the format and storage of inspection reports varies considerably across authorities because of the lack of standardisation. The availability of a comprehensive and open digital representation of the da

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13

Mazumdar, Anirban. "Mag Feet : a robotic device for the inspection of steel bridge structures." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/50569.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Includes bibliographical references (p. 83-84).<br>The aging of America's steel bridges presents many challenges. Undetected cracks and corrosion can eventually lead to catastrophic failure. Due to the difficulties with inspecting existing bridges the use of mobile robots for steel bridge inspection has become an important area of research. This thesis describes the analysis, design, and implementation of a new approach to steel bridge inspection robots using tilting feet equipped with permanent mag

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14

McRobbie, Stuart Grant. "Development of an image based system for routine visual inspection of UK highways bridges." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6184/.

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Accurate inspection data is important for efficient bridge management. Visual inspections play a key role in providing this information, but the reliability of such data has limitations. A range of techniques addressing these limitations are used in other sectors, but not to assist routine visual bridge inspection. Work has been undertaken investigating the feasibility of performing routine visual bridge inspections based on systematically collected images alone. The requirements of such a system are considered and defined. The research demonstrates that more detail can be seen in images at 1-

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15

McCrea, Anna Maria. "Genetic-based optimisation technique for the development of automated inspection and restoration systems for bridges." Thesis, City University London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301019.

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16

Brooker, Caden B. "Field Experimentation and Finite Element Analysis of Prominent Drive-by Bridge Inspection Techniques." Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1617056113435238.

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17

Lee, Jaeho. "A Methodology for Developing Bridge Condition Rating Models Based on Limited Inspection Records." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/367207.

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Transportation infrastructure facilities are the essential components for the continuous development of the economic and community well-being of any country. Maintaining such facilities is a difficult task for service authorities and to keep their assets in optimal conditions at all times. To assist with conducting such a task, infrastructure management systems (IMSs) have been developed for effective asset management. The main function of these systems is to minimise total operation costs for service authorities while maximising the benefits for public users. To obtain the right decisions fro

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18

White, Ellen T. "Development of an Index for Concrete Bridge Deck Management in Utah." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1453.pdf.

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19

Li, Zequn LI. "Updating Bridge Deck Condition Transition Probabilities as New Inspection Data are Collected: Methodology and Empirical Evaluation." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1503093114349283.

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20

Matsumoto, Tsuyoshi. "Study of Long Span Bridge Design Based on Long Term Maintenance in Developing Countries." Kyoto University, 2020. http://hdl.handle.net/2433/253250.

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21

Javier, Eulogio Mendoza. "Methods for Evaluation of the Remaining Strength in Steel Bridge Beams with Section Losses due to Corrosion Damage." Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/103641.

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This research is intended to better understand the structural behavior of steel bridge beams that have experienced section loss near the bearings. This type of deterioration is common in rural bridges with leaking expansion joints, which exposes the superstructure to corrosive road deicing solutions. Seventeen beams from 4 decommissioned structures throughout Virginia were tested to induce web shear failure near the bearing locations and measured for load, vertical displacement, and web strain behavior. The strain was measured using a digital image correlation (DIC) system to create a digital

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22

Zhao, Zhengwei 1962. "Reliability analysis of fatigue under random loading considering modeling updating through inspection in the MARTA bridge system." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/278070.

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Plan for the fatigue damage evaluation of the full-penetration butt welds bridges requires the development of reliability-based analysis, inspection and maintenance procedure. To account for the uncertainties in the material properties and environmental conditions, a stochastic fatigue crack growth model is proposed here. Recent calculations using the Monte-Carlo Simulation technique shows that the first-order reliability method gives very accurate result. The sensitivity and capability of ultrasonic inspection are investigated in this study. The reliability of inspections for various events i

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23

Li, Zhenhu, and 李振虎. "Damage identification of bridges from signals measured with a moving vehicle." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206353.

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Identifying damage of a bridge from a vehicle moving over it is an attractive idea especially for those bridges without structural health monitoring systems as it is faster than putting sensors on the bridges. Many parts of highways and railways have been constructed on bridges and it is important to ensure that they are in good conditions. Therefore a large amount of bridges need to be monitored and for the sake of economy the monitoring should be efficient. If an instrumented vehicle can identify the occurrence and locations of damage by running over the bridges, it would save a lot of labor

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Lake, Neal J. "Evaluating the health of bridge structures." Thesis, Queensland University of Technology, 2001.

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25

Tuttle, Robert S. "Condition Analysis of Concrete Bridge Decks in Utah." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd853.pdf.

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26

Layton, Kyle William. "An Evaluation of Monitoring and Preservation Techniques for the Main Cables of the Anthony Wayne Bridge." University of Toledo / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1384545329.

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27

Butler, Martin A. "Fracture Critical Analysis Procedure for Pony Truss Bridges." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin155351691314481.

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28

Pokorný, Jakub. "Stavební průzkum a diagnostika železobetonové konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226090.

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The thesis Building Investigation and Diagnosis of Reinforced Concrete Structure is focused on analyzing two reinforced concrete bridge structures. It discusses different evaluation surveys and its influence on later evaluation of the bridges. In this thesis there is included static evaluation finding supports at one of reinforced concrete bridges. Practical part is complemented by the necessary theoretical part, which deals with exploring bridges, ways of their implementation, and a summary of the most commonly used diagnostic methods for bridges.

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29

SHEIKH, MADELEINE, and ALEXANDER ÖRTENGREN. "UAVs for railway infrastructure operations and maintenance activities." Thesis, KTH, Maskinkonstruktion (Inst.), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-244316.

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The railway infrastructure needs to be safe, reliable and efficient in order to meet the growing demand of sustainable transportation methods. One of the main problems the railway industry faces today is that a higher traffic load increases the need for maintenance, at the same time as it reduces the availability of gaps in the timetables to perform maintenance activities. Unmanned Aerial Vehicles, UAVs, have in recent years been adopted commercially due to their potential of increasing work efficiency and productivity. Different actors in the railway industry have recently started to explore

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30

Balasubramaniam, Aswin. "Applications of Small Unmanned Aerial Systems (sUAS) and Photogrammetry to Monitor and Inspect Structural Health and Construction Sites." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1592133796045396.

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31

Mazumder, Souvik. "Reliability Based Inspection of Sign, Signal and Luminary Supports in Ohio." University of Toledo / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=toledo148093930959928.

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32

Oliveira, José Venâncio Marra. "Análise do comportamento dinâmico de ponte de concreto por meio de filtragem de sinais GPS." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/18/18143/tde-30102018-100423/.

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Esta pesquisa propôs uma contribuição aos procedimentos de inspeção de pontes por meio de um plano de monitoramento de curta duração do comportamento dinâmico do tabuleiro de pontes rodoviárias de concreto com a utilização de receptores GPS de 100 Hz associado à diversas técnicas de filtragem de sinais. O estudo foi conduzido em uma ponte em serviço localizada na rodovia Fernão Dias (BR-381). O procedimento de inspeção proposto baseou-se no uso de dois sinais de satélites GPS, por meio da aplicação do Método Residual de Fase (MRF), e da análise temporal dos resíduos da dupla diferença de fase

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33

Durčáková, Lenka. "Komplexní diagnostika zděné konstrukce mostu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225724.

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Diploma thesis The complex diagnostics of bricked bridge construction is in the theoretical part focused on the summary of regulations of road and railway bridges. In the practical part was conducted the inspection and diagnostic survey of the railway viaduct on Křenová, near the main train station Brno.

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Aronsson, Oskar, and Julia Nyman. "Boundary Representation Modeling from Point Clouds." Thesis, KTH, Bro- och stålbyggnad, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-278543.

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Inspections of bridges are today performed ocularly by an inspector at arm’s lengths distance to evaluate damages and to assess its current condition. Ocular inspections often require specialized equipment to aid the inspector to reach all parts of the bridge. The current state of practice for bridge inspection is therefore considered to be time-consuming, costly, and a safety hazard for the inspector. The purpose of this thesis has been to develop a method for automated modeling of bridges from point cloud data. Point clouds that have been created through photogrammetry from a collection of i

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Crabtree, Gärdin David, and Alexander Jimenez. "Optical methods for 3D-reconstruction of railway bridges : Infrared scanning, Close range photogrammetry and Terrestrial laser scanning." Thesis, Luleå tekniska universitet, Byggkonstruktion och brand, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67716.

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The forecast of the next upcoming years estimates a growth of demand in transport. As the railway sector in Europe has developed over many years, the infrastructure presents performance issues because of, among other factors, asset maintenance activities being difficult and time consuming. There are currently 4000 railway bridges in Sweden managed by Trafikverket which are submitted to inspections at least every six years. The most common survey is done visually to determine the physical and functional condition of the bridges as well as finding damages that may exist on them. Because visual i

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Šnédar, Jaroslav. "Průzkum a hodnocení železobetonové mostní konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409961.

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The aim of this thesis is to evaluate the real condition of reinforced concrete beam bridge located in Brno Jundrov. In order to evaluate this condition, there was made the main bridge inspection. Subsequently, a number of diagnostic methods were used, such as hardness tests, concrete stress strenght, ultrasonic pulse method, including their evaluation. In terms of the main inspection, the condition of construction of the bridge was evaluated as V - bad. We found out that the concrete from which the bridge is built of is in very good condition. The problem, however, is the condition of the rei

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Šimek, Ondřej. "Návrh inspekčního sloupu pro kontroly stavu použitého jaderného paliva." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377081.

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The diploma thesis aim to the design of equipment for ŠKODA JS a.s., which is part of a new inspection stand (N-SIO). This equipment is an inspection column that provides the possibility to inspect spent fuel assemblies at the operation of the Temelín nuclear power plant. This master thesis is also a summary of the whole design of the new inspection stand and a description of the individual inspection components and devices. One of the parts of the thesis is also a basic strength analysis and a drawing of the main assembly of inspection equipment.

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Kubová, Simona. "Poruchy mostních vozovek a jejich příčiny." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226620.

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As part of my master's thesis I have conducted a visual inspection and record failures of bridge roadway at selected highway bridges, roads D47, D3 and D8 and photographic documentation, which is included in Annex. Also I have based on their speeches and documents the results of control tests determine their causes and to propose appropriate repair or maintenance.

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Wünsche, Dominik. "Diagnostika a hodnocení mostní konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2021. http://www.nusl.cz/ntk/nusl-433535.

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The diploma thesis deals with the issue of bridge strustures, especially their diagnostics and evaluation. The work consists of two parts, theoretical and practical. The theoretical part deals with the basic description and division of bridge structures, brigde inspections and test methods, especially those that were used in the thesis during bridge inspections. The practical part includes a visual inspection of two bridges, their description, detection of faults and defects and their documentation. In the practical part, the basic maretial characteristics of concrete bridges were determined,

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Soukup, Ondřej. "Příprava a organizace výstavby mostu na Silnici II/377." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265254.

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The subject of this thesis the construction and technological preparation for the construction of the bridge ev.č. 377-007 across the Býkovka river in the municipality Rájec - Jestřebí, which is part of the reconstruction of a main road II / 377 Bořitov - Rájec. The thesis is elaborated a technical report on the structural and technological project, coordinating construction situation, the situation with wider relationships routes following the stages, time and financial plan – by objects, study the implementation of major technological stages of the building SO203 project site equipment, desi

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Otrusina, Ondřej. "Stavebně technologický projekt rekonstrukce silničního mostu v obci Vlkoš." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392248.

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This masters dissertation deals with the preparation and realization of a road bridge recontruction in the Vlkoš village. The introduction of this thesis contains basic information about the structures of the construction. Execution of main technological stages is addressed in construction technological study. The thesis also includes a coordinational site-layout of the construction, design of site equipment, design of the main construction machines and mechanisms, time and financial schedule, construction workers deployment plan, plan of achines usage. In my thesis I deal mainly with the supp

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Jedlička, Lukáš. "Diagnostika vybrané mostní konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409954.

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This thesis deals with building survey of bridge register number 43-011 located near Česká. The part of thesis is literary reaserch dealing with system of management and cotrol of road bridges, precast bridge contructions made with DS-C type girgers and about general diagnostical methods. The practical section contains of in situ diagnostical survey and bridge inspection, laboratory evaluation and comparision, load bearing capacity calculation and suggestion of potencional technical precautions.

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Výpustek, Libor. "Průzkum a hodnocení mostu na dálnici D2." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225738.

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This thesis deals with the exploration and evaluation of the existing bridge carried him on the highway D2. The work is divided into theoretical and practical parts. The theoretical part focuses on the technical surveys, diagnosis of building structures and some methods of investigation and testing of building structures. In the practical part the visual inspection and diagnosis of disorders of the highway bridge substructures ev. No. D2-058, to determine material characteristics substructure and evaluate the state of the bridge. In conclusion, the practical part of the recommendations for the

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(11178285), Jose Capa Salinas. "An Unmanned Aerial Systems Evaluation Chamber for Bridge Inspection." Thesis, 2021.

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<p>Civil engineering structures must provide an adequate and safe performance during their time of service, and the owners of these structures must have a reliable inspection strategy to ensure time-dependent damage does not become excessive. Visual inspection is the first step in every structural inspection; however, many elements in the majority of structures are difficult to access and require specialized personal and equipment. In an attempt to reduce the risk of the inspector and the cost of additional equipment, the use of Unmanned Aircraft Systems (UAS) has been increasing in the last y

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Jian, zih hao, and 簡子皓. "Suspension bridge inspection and safety assessment." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/99635222287369033876.

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碩士<br>健行科技大學<br>土木工程系空間資訊與防災科技碩士班<br>103<br>Suspension bridges of cable sway bridges are elegant and resource saving especially for inaccessible and mountainous roads. Excavation areas are small with short construction durations, requires minimal funding and has a relatively smaller ecological impact. However, most suspension bridges are not classes as part of the roadway networks and are not yet included in the Taiwan Bridge Management Information System (TBMS). Domestically, no maintenance standards exist for suspension bridge maintenance. Due to this, damages without warning fractures have

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Ming-Chang, Lin, and 林明璋. "Application of Bridge Inspection Quality Assurance System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2323bq.

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碩士<br>健行科技大學<br>土木工程系空間資訊與防災科技碩士班<br>106<br>Bridge maintenance operations are complicated, including bridge inspection, maintenance, management, etc. Due to high professionalism and wide distribution range, the competent authority often faces difficulties in checking under limited manpower. Therefore, the effectiveness of bridge maintenance management is difficult to highlight. In order to solve this problem, the Ministry of Communications instructed the county and city governments to conduct bridge inspection operations, and establish relevant Quality Control (QC), Quality Assurance (QA) and

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Wei, Wu Jia, and 吳家崴. "Discussion on quality assurance methods of bridge inspection." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/93404175212082873520.

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碩士<br>健行科技大學<br>土木工程系空間資訊與防災科技碩士班<br>104<br>Bridge management and maintenance, operations are extremely complicated.including bridge inspection, bridge maintenance, bridge management, etc. Because. of professional, wide spread range, the government only Limited manpower, often difficult to examine the difficulties faced, therefore bridge maintenance and management business results in the short term difficult to demonstrate. To solve this problem, the Ministry of Transportation is Indicative County and city council, the necessity for quality control (QC), quality assurance (QA) and an external

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Chen, Chih-Ching, and 陳志青. "Bridge Inspection and Application Study in Local Areas." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/85170499868091283373.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>100<br>In the past two decades, large number of bridge damages happened in Taiwan caused by typhoons and earthquakes, severely hindering the district transportation and economic development. The most of bridges belong to the local administrative level, without professional maintenance units and unified inspection standard. This study is aimed at the safety of these bridges, and the safety assessment framework for the bridges are investigated, the examples adopted the existed data in Wugu District, New Taipei City, during 2007 to 2010, are presented. The regulations

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CAI, MING-FONG, and 蔡明峯. "Inspection and Vibration Test of a Steel Bridge." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/g2qku2.

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碩士<br>國立高雄大學<br>土木與環境工程學系碩士班<br>106<br>At present, the development of steel bridges in Taiwan is increasing day by day. Under the use of long term traffic flow, the resonance of the vehicle and bridge to the steel bridge may cause the damage and service of the bridge members to be reduced, even cause the bridge to collapse which could the people's life to be threatened. This study is mainly aimed at the vibration test of large and Expressway, and combined with visual detection and non-destructive detection, to explore whether the longterm traffic flow will cause damage to bridge members af

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Chai, Jhih-jie, and 柴志傑. "A Heuristic Approach for Optimizing Bridge Inspection Routes." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/t46war.

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碩士<br>國立中央大學<br>營建管理研究所<br>97<br>Taiwan is a small island with area of 36,188 square kilometers. Based on a recent study, around 30% of the 28,000 bridges on the island are over 30 years old. Therefore, bridge visual inspection has become a major task of bridge maintenance to identify deteriorations and damages. The current national standard of bridge inspection in Taiwan follows the DER&U methodology, which is an evaluation system based on the degree, extent, relevancy, and urgency of the faults identified for all structure components. There are usually time limitations for bridge management

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