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Dissertations / Theses on the topic 'Scour monitoring'

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1

Hayden, Jesse Thomas. "Indian River Inlet Bridge and Bathymetry Scour Monitoring System." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 163 p, 2009. http://proquest.umi.com/pqdweb?did=1885754611&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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2

Tao, Junliang. "Fusion of Numerical Modeling and Innovative Sensing to Advance Bridge Scour Research and Practice." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1372710604.

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3

Bouratsis, Polydefkis. "Scour at the Base of Hydraulic Structures: Monitoring Instrumentation and Physical Investigations Over a Wide Range of Reynolds Numbers." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/71880.

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Hydraulically induced scour of the streambed at the base of bridge piers is the leading cause of bridge failures. Despite the significant scientific efforts towards the solution of this challenging engineering problem, there are still no reliable tools for the prediction and mitigation of bridge scour. This shortcoming is attributed to the lack of understanding of the physics behind this phenomenon. The experimental studies that attempted the physical investigation of bridge scour in the past have faced two main limitations: i) The characterization of the dynamic interaction between the flow a
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Michalis, Panagiotis A. "Real-time monitoring of scour and sediment deposition evolution at bridges and offshore wind turbine foundations based on soil electromagnetic properties." Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25704.

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5

Moustakidis, Iordanis Vlasios. "Detection of erosion/deposition depth using a low frequency passive radio frequency identification (rfid) technology." Thesis, University of Iowa, 2012. https://ir.uiowa.edu/etd/1490.

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This thesis presents an experimental study both in the laboratory and field to develop and test a method for continuously measuring and monitoring scour using an automated identification technology known as Radio Frequency Identification (RFID). RFID systems consist of three main components, namely (a) the reader which controls the system, (b) the transponder (derived from transmitter/responder) that transmits data to the reader and (c) the excitation antenna that allows the communication between the reader and the transponder. The study provides an insight into the RFID technology and develop
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6

Boujia, Nissrine. "Vulnérabilité des ouvrages d'art au risque d'affouillement des fondations." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1043/document.

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L'affouillement est l'arrachement et le transport des sédiments du lit d'un cours d'eau sous l'action érosive d'un écoulement hydraulique. Ce phénomène est accentué par la présence d'obstacles à l'écoulement, tels que les piles et culées de ponts, ou également les quais, les éoliennes et les oléoducs offshores dans un contexte maritime. La présence de fosses d'affouillement engendre une perte de la capacité portante de la structure et menace sa stabilité. Face à ce risque hydraulique, il est crucial de suivre en continu l'évolution de la profondeur d'affouillement au droit des ouvrages d'art e
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7

Wagner, Matthew W. "Implementing a campsite impact monitoring system for a high-use recreation planning area Philmont Scout Ranch, Cimarron, New Mexico /." Laramie, Wyo. : University of Wyoming, 2009. http://proquest.umi.com/pqdweb?did=1950188871&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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8

Chang, Shih-Sheng, and 張世昇. "Machine Learning for Bridge Scour Monitoring System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ars9uz.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>106<br>With special characteristics of river, such as steep slope and rapid flow, bridge scour is an important safety issue in Taiwan. To guarantee the stability of bridge structure, ensure serviceability and give warning in advance during hazard-prone rainfall, the relationship between heavy rainfall events and local scour around piers needs to be resolved and is the focal point of this thesis. In the past, empirical models were used to predict scour depth. Nowadays, different kinds of real-time monitoring techniques open the gateway to measure field data instantly
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9

Jheng, Wei-Hao, and 鄭瑋皜. "Improvement of TDR-based Scour Monitoring Technique." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/89tx56.

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碩士<br>國立交通大學<br>土木工程系所<br>104<br>Taiwan is constantly affected by typhoons due to geographical factors and the mountainous topographical features formed the nature of rivers in Taiwan to be short and rapid. These key aspects caused rivers in Taiwan vulnerable to scouring and endangered the safety of bridge structures. If the scouring condition of the bridge foundations can be acquired in real-time, public safety can be assured and financial losses can be minimized. Bridge foundation scouring monitoring system developed and installed in overseas may not be feasible and nondurable in rivers of T
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Chen, Chun-Chung, and 陳俊仲. "Development of an Innovative Bridge Scour Monitoring System." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/52595522388138366854.

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博士<br>國立臺灣大學<br>土木工程學研究所<br>99<br>The hydraulic causes of bridge failure have focused engineering attention on the bridge scour problem. However, in-situ bridge scour monitoring is still one of the rugged works for field application researchers. Especially for Taiwan, the island which is well known for its distinctive topography features that the central mountain range bisects the main territory from north to south leading to most rivers have short courses and rapid streams. This dissertation summarizes the development work that has been undertaken by the research team on in-situ bridge scour
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11

Yang, I.-Chung, and 楊一中. "Scour monitoring device and wireless data transmission system." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/63965369344703233037.

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碩士<br>清雲科技大學<br>空間資訊與防災研究所<br>98<br>In recent years, bridge collapses in Taiwan causes by typhoons have cause enormous life and property losses. From past bridge collapses, the information on the process of bridge collapses is collected and compared. Specifically, flood waters expose the pier causing and depositing erosion on the bridge. This causes issues on bridge load and stability and proving an obvious hazard. In the before of without appropriate method. The development of an economical, durable and stable scouring monitoring system is therefore a matter of urgency. This study investigate
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12

Masaki, Gavin. "Scour Monitoring And Prediction For Selected Highway Bridges On Oahu." Thesis, 2004. http://hdl.handle.net/10125/10416.

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13

Ho, Chun-che, and 侯鈞哲. "Piezoelectric Films Mounted Gravity Type Scour Monitoring and Warning System." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/18066972457511140639.

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碩士<br>國立中央大學<br>土木工程研究所<br>99<br>In recent years, the strength of rains and floods caused by typhoon are much stronger than ever, serial of bridge failure events made the bridge managements and researchers start to pay much attention to this problem. After the Kao-Ping Bridge broken, the Ministry of Transportation and Communications surveyed all the damaged bridges in Taiwan, than discovered that 82% bridges were damaged by scour. That is to say, scour is the primary threat to structure health of the bridges. When the pile foundation begin to expose, the bearing capacity of bridge structure wi
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14

Hsieh, Hsin-Ni, and 謝欣霓. "Acoustical scour monitoring applied to a scale model ofHoufeng Bridge." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/89783579664707538631.

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碩士<br>臺灣大學<br>土木工程學研究所<br>98<br>Because of strong flow and high turbidity, it is difficult to observe the scour during floods. To scan river bed under flood, this thesis explores the potential of using acoustical monitoring, applied to a scale model of Houfeng Bridge. In the case of the Houfeng Bridge collapse during the 2008 Sinlaku typhoon, a submerged pipeline upstream of the bridge, led to the undermining of the bridge supports, ultimately leading to its destruction. We transformed field and survey data into a small-scale laboratory experiment. The Sonix ultrasound system was used to view
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15

Weng, Kai-Wei, and 翁凱威. "WSNs-Based Real Time Bridge Scour Monitoring System for Disaster Management." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/85533188718891959562.

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博士<br>國立臺灣大學<br>土木工程學研究所<br>101<br>In Taiwan, natural disasters, such as typhoons, earthquakes, and especially floods, can cause severe damage. Although bridge engineering technology has matured, the lack of an integrated bridge management system under severe disasters remains a challenge for the government. Most recent monitoring systems must be installed on the substructure of the bridge piers, which would be more accurate than our system; however, they would be destroyed by floods that dislodged large rocks and trees. This research developed a monitoring system that can detect real-time bri
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16

Weng, Yu-Wen, and 翁玉紋. "Developments of Time Domain Reflectometry Sensors Suitable for Bridge Scour Monitoring." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/02074345237557642532.

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碩士<br>國立交通大學<br>土木工程學系<br>98<br>Rivers in Taiwan have features of narrow shape, deep slope, and high flow velocity, aggravating bridge scour. Severe scouring would decrease the pier bearing capacity such that the bridge may collapse, and this failure will not only increase remediation cost, but also endanger the safety of people's lives. To minimize the aformentioned influences, the bridge scour monitoring provides a way of bridge safety assurance, it also supports the in-situ verifications of scouring mechanism model calibration. Many kinds of instruments or techniques are proposed for the br
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17

Wang, Da-Jen, and 王達人. "Remote monitoring system device for flood scour depth of river bed." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/50222323750813795307.

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碩士<br>清雲科技大學<br>空間資訊與防災科技研究所<br>97<br>The monitor of river bed scour depth is nowadays an important security topic of the bridge. Due to the environment of the bridge structures, bridge beam scouring information gathering are often undesirable. Therefore in the situation where data transmission is abnormal, it does not meet the industry specification and standard. This study discusses the monitoring on the depth of the bridge scour – its design of remote data transmission system coupled with computer software design providing remote monitoring and control. In addition, an experimental verifica
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18

Chen, Tsung-His, and 陳宗希. "Monitoring device for flood scour depth of river bed with collision prevention." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/21976618030864684827.

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碩士<br>清雲科技大學<br>土木與防災研究所<br>96<br>Taiwan’s bridges succumb to damage, in majority from flood scouring. In order for the effective warning in flood scouring on the flood scouring depth, a system has been developed. By means of experimental research of hydraulics laboratory, a relatively simple device if devised to immediately detects river bed erosion. In addition, software simulator using LS- DYNA mechanics analysis is used to simulate the impacts and flow of rocks and tree trucks to design the ideal anti-collision combination used to detect river bed erosion. It enables the device to survive
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19

Tsai, Hsieh-Chan, and 蔡協展. "Scour Experimental Study of Bridge Health Monitoring based on Hilbert-Huang-Transform." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/36986571255635653615.

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碩士<br>國立交通大學<br>土木工程系所<br>103<br>Scouring issue is one of the most important topics in bridge health monitoring. In the US, the statistics showed that earthquake and scouring caused 60% and 3% of the bridge collapses, respectively. When bridges are under such harmful conditions, it will result in huge loss of human life and economic value. These situations indicate the importance of bridge health monitoring which can be used to diagnose the damage condition of structure before collapse. If warning in advance properly, the impact of the bridge collapse can be reduced. In this study, the Hilbert
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20

Tsai, Chen-An, and 蔡鎮安. "Implementation of a Vibration-Based Bridge Health Monitoring System on Scour Issue." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/77824192149891192306.

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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>Bridges are prone to suffer from multiple hazards such as earthquake, wind, or floods for the special structural characteristic. To guarantee the stability of bridge structure, how to precisely evaluate the scour depth of bridge foundation has become an important issue recently as most of the unexpected damage or collapse of bridges are caused by hydraulic issue. In this paper, a vibration-based bridge health monitoring system considering the response of superstructure only is proposed to rapidly evaluate the embedded depth of bridge pier. To clarify the comp
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21

Guo, Li-Lun, and 郭力綸. "Establishment and Big Data Information on the Static and Dynamic of Real-time Monitoring System for Scour Type Bridge Pier." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/3gsw8x.

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博士<br>中原大學<br>土木工程研究所<br>104<br>Currently, establishment of the system used in the real-time monitoring on the pier. When the huge amount data, can not meet all of the data stored. It may be measured once in 30 seconds, and so on for processing. However, full-time data is of great value, contains important messages such as floods, earthquakes, etc. How to establish a true 24-hour real-time monitoring system for the pier is a subject. In this study, the target for scour type piers of the highway bridge. Through 24-hour monitoring of permanent inclination displacement pier instantaneous vibratio
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