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Developing A Bridge Scour Warning System


Developing A Bridge Scour Warning System
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Developing A Bridge Scour Warning System


Developing A Bridge Scour Warning System
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Author : C. Bryan Young
language : en
Publisher:
Release Date : 2016

Developing A Bridge Scour Warning System written by C. Bryan Young and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.


Flooding and scour can be major threats to the integrity of bridges. During flood events, scour at bridge piers and abutments can undermine the foundations of the bridge, causing significant damage or even total structure loss. Because scour occurs below the water level during a large flood event, it can be difficult to detect and may go unnoticed unless a targeted inspection is performed. The Kansas Department of Transportation (KDOT) is required by federal mandate to establish and maintain a bridge scour plan of action for all scour-critical bridges in the state. A plan of action can include the implementation of scour countermeasures to protect and stabilize a bridge and/or scour monitoring. Bridge scour monitoring presents multiple challenges for bridge owners, including state Departments of Transportation (DOTs). This research project surveyed in situ and ex situ monitoring options with particular attention on warning system options in the public domain. In situ monitoring can include portable and/or fixed devices for detecting bridge scour. Ex situ monitoring implies a statewide system that issues scour alerts to trigger bridge closures and/or inspections based on hydrologic conditions (rainfall and/or streamflow). A systematic statewide system would be preferable for monitoring scour-capable events at bridges across the state. KDOT could leverage existing United States Geological Survey (USGS) and National Weather Service (NWS) tools to monitor scour-critical bridges or pursue a vendor to offer a turn-key solution. For critical locations, additional measures could be implemented at specific sites to offer more information or a higher level of monitoring.



Stream Stability And Scour At Highway Bridges


Stream Stability And Scour At Highway Bridges
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Author : Everett V. Richardson
language : en
Publisher: ASCE Publications
Release Date : 1999-01-01

Stream Stability And Scour At Highway Bridges written by Everett V. Richardson and has been published by ASCE Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-01 with Technology & Engineering categories.


Sponsored by the Water Resources Engineering (Hydraulics) Divsion of ASCE. This collection contains 75 papers and 321 abstracts presented at conferences sponsored by the Water Resources Engineering (Hydraulics) Division of ASCE from 1991 through 1998. The collection contains many new and expanded versions of the original papers and is designed to assist the practitioner with the concepts in evaluating stream instability and scour at bridges. Topics include: history of bridge scour research; bridge scour determination; stream stability and geomorphology; construction scour; instrumentation for measuring and monitoring; field measurement; computer and physical modeling of bridge scour; scour at culverts; and economic and risk analysis. One important paper contains 384 field measurements of local scour at piers made by the U.S. Geological Survey.



Monitoring Scour Critical Bridges


Monitoring Scour Critical Bridges
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Author : Beatrice E. Hunt
language : en
Publisher: Transportation Research Board
Release Date : 2009

Monitoring Scour Critical Bridges written by Beatrice E. Hunt and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Religion categories.




Report No Fhwa Rd


Report No Fhwa Rd
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Author : United States. Federal Highway Administration. Offices of Research and Development
language : en
Publisher:
Release Date : 1980

Report No Fhwa Rd written by United States. Federal Highway Administration. Offices of Research and Development and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.




Current Perspectives And New Directions In Mechanics Modelling And Design Of Structural Systems


Current Perspectives And New Directions In Mechanics Modelling And Design Of Structural Systems
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Author : Alphose Zingoni
language : en
Publisher: CRC Press
Release Date : 2022-09-05

Current Perspectives And New Directions In Mechanics Modelling And Design Of Structural Systems written by Alphose Zingoni and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-05 with Technology & Engineering categories.


Current Perspectives and New Directions in Mechanics, Modelling and Design of Structural Systems comprises 330 papers that were presented at the Eighth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2022, Cape Town, South Africa, 5-7 September 2022). The topics featured may be clustered into six broad categories that span the themes of mechanics, modelling and engineering design: (i) mechanics of materials (elasticity, plasticity, porous media, fracture, fatigue, damage, delamination, viscosity, creep, shrinkage, etc); (ii) mechanics of structures (dynamics, vibration, seismic response, soil-structure interaction, fluid-structure interaction, response to blast and impact, response to fire, structural stability, buckling, collapse behaviour); (iii) numerical modelling and experimental testing (numerical methods, simulation techniques, multi-scale modelling, computational modelling, laboratory testing, field testing, experimental measurements); (iv) design in traditional engineering materials (steel, concrete, steel-concrete composite, aluminium, masonry, timber); (v) innovative concepts, sustainable engineering and special structures (nanostructures, adaptive structures, smart structures, composite structures, glass structures, bio-inspired structures, shells, membranes, space structures, lightweight structures, etc); (vi) the engineering process and life-cycle considerations (conceptualisation, planning, analysis, design, optimization, construction, assembly, manufacture, maintenance, monitoring, assessment, repair, strengthening, retrofitting, decommissioning). Two versions of the papers are available: full papers of length 6 pages are included in an e-book, while short papers of length 2 pages, intended to be concise but self-contained summaries of the full papers, are in this printed book. This work will be of interest to civil, structural, mechanical, marine and aerospace engineers, as well as planners and architects.





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Author : 曾志煌等
language : zh-CN
Publisher: 中華民國政府出版品
Release Date : 2011-05-01

written by 曾志煌等 and has been published by 中華民國政府出版品 this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-01 with categories.


橋梁為聯繫公路系統之重要設施,然因養護巡查人力及經費有限,汛期中難以全面針對每座橋梁進行全時間的監控,爰此,除針對橋梁監測系統進行研發外,如何以經濟、簡單、可靠的方式,在橋梁破壞發生時提供用路人及養護單位即時之資訊,提醒用路人前方有危險,進而降低災害後續可能造成之損傷,此為一重要課題。本研究異於一般橋梁監測或安全預警系統,研發重點不在於橋梁之變形與沖刷情形,主要目的係於落橋發生時可提供橋梁左右兩端用路人及養護單位即時資訊。本研究透過既有文獻與相關技術回顧,基於迴路式以及檢知器原理,建立簡易迴路式、檢知器與時域反射技術(Time Domain Reflectometry, TDR)三種警示系統原型。針對檢知器與TDR警示系統,於室內系統原型測試結果完成系統修正後,進行現地整體系統穩定性與全尺寸斷橋測試,俾利瞭解系統之可行性及完善性,以作為系統後續改善之依據。綜合整體試驗成果而言,目前所研發之檢知器警示系統確可於橋梁發生破壞時,即時啟動警示系統,達到警示之功效,且同步將資料回傳至遠端管理中心,使管理者可隨時掌握橋梁狀態;TDR警示系統能於斷橋時精確定位纜線中斷位置且感測元件僅需纜線,然礙於現有TDR主機系統硬體限制,反應時間需要3~5秒(依TDR主機系統等級而不同),有待後續改善訊號擷取方式達到即時反應。



Scour And Erosion Ix


Scour And Erosion Ix
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Author : Yeh Keh-Chia
language : en
Publisher: CRC Press
Release Date : 2018-10-16

Scour And Erosion Ix written by Yeh Keh-Chia and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-16 with Technology & Engineering categories.


Scour and Erosion IX contains the peer-reviewed scientific contributions presented at 9th International Conference on Scour and Erosion (ICSE 2018, Taipei, Taiwan, 5–8 November 2018), and includes recent accomplishments about scour and erosion in field observation, experimental laboratory work, theoretical development, numerical modeling and disaster management. The book covers fourteen topics: A. Internal erosion B. River, coastal, estuarine and marine scour and erosion C. Rock scour and erosion D. Sediment transport: grain scale and continuum scale E. Scour and erosion around structures F. Soil erosion, restoration mechanisms and conservation G. Hillslope conservation and debris flow H. Geotechnical issues related to scour and erosion I. Field observation and analyses J. Scour and erosion testing and experiment K. Remote sensing, instrumentation and monitoring L. Advanced numerical modelling of scour and erosion M. Natural hazards due to scour and erosion N. Management of scour/erosion and sediment.



Geotechnics And Earthquake Geotechnics Towards Global Sustainability


Geotechnics And Earthquake Geotechnics Towards Global Sustainability
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Author : Susumu Iai
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-03-23

Geotechnics And Earthquake Geotechnics Towards Global Sustainability written by Susumu Iai and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-23 with Science categories.


This book is part of a bold, new initiative towards global sustainability and development that draws on the disciplines of geotechnical engineering and earthquake geotechnics. It contains contributions from fifteen of the world's leading experts who met in Kyoto in early 2010 to discuss a range of issues related to the ways geotechnics can help us face the challenges ahead, from the technical to the social, from geo-hazards to megacities, from global warming and coastal protection to the conservation of world heritage sites. We hope these contributions will stimulate the debate over the role geotechnics has to play in achieving a more sustainable future for the world. Audience This book will be of interest to advanced levels of researchers and practicing engineers in the fields of geotechnics and earthquake geotechnics for global sustainability: the greatest long term challenge of our time.



Advances In Bridge Maintenance Safety Management And Life Cycle Performance Set Of Book Cd Rom


Advances In Bridge Maintenance Safety Management And Life Cycle Performance Set Of Book Cd Rom
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Author : Paulo J. da Sousa Cruz
language : en
Publisher: CRC Press
Release Date : 2015-03-02

Advances In Bridge Maintenance Safety Management And Life Cycle Performance Set Of Book Cd Rom written by Paulo J. da Sousa Cruz and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-02 with Technology & Engineering categories.


Advances in bridge maintenance, safety, management and life-cycle performance contains the papers presented at IABMAS'06, the Third International Conference of the International Association for Bridge Maintenance and Safety (IABMAS), held in Porto, Portugal from 16 to 19 July, 2006.All major aspects of bridge maintenance, management, safety, and co



Instrumentation For Measuring Scour At Bridge Piers And Abutments


Instrumentation For Measuring Scour At Bridge Piers And Abutments
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Author : Peter Frederick Lagasse
language : en
Publisher: Transportation Research Board
Release Date : 1997

Instrumentation For Measuring Scour At Bridge Piers And Abutments written by Peter Frederick Lagasse and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.


"This report contains the findings of a study undertaken to develop, test, and evaluate fixed devices for measuring maximum scour depth. Companion manuals provide specific fabrication, installation, and operation guidance for two such devices. This report and the companion manuals will be of immediate interest to hydraulics engineers, bridge management engineers, and bridge maintenance engineers"--Foreward.