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Author : National Research Council (U.S.). Committee on Surface Drainage of Highways
Publisher : Unknown
Page : 44 pages
File Size : 50,6 Mb
Release : 1951
Category : Technology & Engineering
ISBN : ERDC:35925002184882
Author : Bruce W. Melville,Stephen E. Coleman
Publisher : Water Resources Publication
Page : 586 pages
File Size : 51,6 Mb
Release : 2000
Category : Technology & Engineering
ISBN : 1887201181
"A comprehensive state-of-the-art treatment of scour and bridge foundations - both a handy reference text and a manual for the practicing bridge designer."--Publisher.
Author : Kaleem Afzal
Publisher : GRIN Verlag
Page : 55 pages
File Size : 43,7 Mb
Release : 2020-02-06
Category : Science
ISBN : 9783346109491
Bachelor Thesis from the year 2019 in the subject Physics - Mechanics, University of Engineering & Technology Peshawar, language: English, abstract: The objective of the study is to conduct laboratory model testing to investigate and compare scour hole depth of the diamond, square and elliptical scaled model of bridge piers in a cohesion less bedding material under clear water and to propose the most efficient cross section of the bridge pier, having less Local scour around piers under steady clear-water condition was studied experimentally for a variety of configuration, including different sizes and shapes of piers. Total number of forty experiments were performed in the flume using diamond, square and elliptical shape. The scouring around the square shape was found maximum and at elliptical shape was the least. The main reason was obstruction in flow area that was more in case of the square and less in case of the elliptical shape. However, the diamond shaped has the intermediate scouring under same condition. Local scour is a complex phenomenon involving three-dimensional flow, typically developed around piers founded in movable bed rivers. Local scour can lead to partial failure or to collapse of bridge piers because of the high flood velocity. The cost of large bridges, with common and special complex piers, justifies carrying out an accurate prediction of scour depth, for both economic and safety reasons, which in turn leads to the interest of hydraulic engineers in predicting the equilibrium scour depth.
Author : Gordon R. Hopkins,Richard William Vance,B. Kasraie,R. W. Vance
Publisher : Unknown
Page : 212 pages
File Size : 50,9 Mb
Release : 1975
Category : Bridges
ISBN : ERDC:35925002380183
Author : Krishna Gopal Ghosh,Sutapa Mukhopadhyay
Publisher : BoD – Books on Demand
Page : 120 pages
File Size : 46,7 Mb
Release : 2020-01-08
Category : Science
ISBN : 9781789845785
Amid increasing interactions with other disciplines and technical advances for detecting, monitoring, and modeling fluvial landscape origin, dynamics, and diversity, a number of scientific works have come out and nested in globally recognized edited books. This book is an attempt in this regard, where a few precise regular research works from diverse disciplinary expertise from around the globe are compiled as chapters. In this collective effort, the application of geoinformatics, field data on natural rivers, instrumentation, use of analytic tools, scientific techniques, numerical models, case studies, illustrations, etc. in understanding formative processes and appraising fluvial landscapes will hopefully provide insight into the current practice of fluvial geomorphology and may guide fruitful and coherent scientific enquiry into the field.
Author : Amanda Kitchen,Marta Roca,Manuela Escarameia,A. M. Kirby
Publisher : Unknown
Page : 62 pages
File Size : 41,8 Mb
Release : 2021
Category : Scour at bridges
ISBN : 0860179397
Author : H.N.C. Breusers,A.J. Raudkivi
Publisher : CRC Press
Page : 152 pages
File Size : 55,5 Mb
Release : 2020-08-13
Category : Technology & Engineering
ISBN : 9781000108507
Information and technical data concerning scouring/erosion caused by water fl in rivers and streams. More specifically, how certain structures exaggerate this natural process by restricting water flow, causing constriction and loc scour. Material presented is from both field studies and laboratories
Author : Peter Frederick Lagasse,National Cooperative Highway Research Program
Publisher : Transportation Research Board
Page : 284 pages
File Size : 55,5 Mb
Release : 2007
Category : Scour at bridges
ISBN : 9780309099097
Explores practical selection criteria for bridge-pier scour countermeasures; guidelines and specifications for the design and construction of those countermeasures; and guidelines for their inspection, maintenance, and performance evaluation. Produced along with the report is an interactive version of the countermeasure selection methodology, which defines the proper conditions for the use of each specific countermeasure, and a reference document that contains detailed laboratory testing results and translations of three German "Code of Practice" documents.
Author : Beatrice E. Hunt
Publisher : Transportation Research Board
Page : 168 pages
File Size : 55,9 Mb
Release : 2009
Category : Religion
ISBN : 9780309098342
Author : India. Central Board of Irrigation and Power
Publisher : Unknown
Page : 32 pages
File Size : 45,9 Mb
Release : 1974
Category : Scour at bridges
ISBN : ERDC:35925002064654
Author : Everett V. Richardson,Peter F. Lagasse
Publisher : ASCE Publications
Page : 1076 pages
File Size : 49,6 Mb
Release : 1999-01-01
Category : Technology & Engineering
ISBN : 0784474656
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.
Author : Rodney E. Southard
Publisher : Unknown
Page : 40 pages
File Size : 52,9 Mb
Release : 1993
Category : Bridges
ISBN : UCR:31210025973247
Author : Susan Burns
Publisher : Unknown
Page : 1152 pages
File Size : 49,7 Mb
Release : 2014
Category : Electronic
ISBN : 0784411476
Author : Brian D. Barkdoll,R. Ettema,Bruce W. Melville,National Cooperative Highway Research Program
Publisher : Transportation Research Board
Page : 230 pages
File Size : 54,5 Mb
Release : 2007
Category : Bridges
ISBN : 9780309098953
Examines selection criteria and guidelines for the design and construction of countermeasures to protect bridge abutments and approach embankments from scour damage. The report explores two common forms of bridge abutments--wing-wall (vertical face with angled walls into the bank) and spill-through (angled face).
Author : Peter Frederick Lagasse,National Cooperative Highway Research Program
Publisher : Transportation Research Board
Page : 120 pages
File Size : 49,9 Mb
Release : 1997
Category : Bridges
ISBN : 0309060699
"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.