Critical tractive stress of nonuniform sediments

Experiments on initiation of motion and rate of bed load transport of different fractions in case of nonuniform sediments are reported. Analysis of these data as well as those from earlier studies by other investigators has shown some limitations of the available relationships for critical tractive...

Full description

Saved in:
Bibliographic Details
Published inJournal of hydraulic research Vol. 37; no. 1; pp. 39 - 58
Main Authors Patel, P.L., Ranga Raju, K.G.
Format Journal Article
LanguageEnglish
Published Delft Taylor & Francis Group 01.01.1999
International Association for Hydraulic Research
Subjects
Earth sciences
Earth, ocean, space
Exact sciences and technology
Freshwater
Hydraulics
Hydrology
Hydrology. Hydrogeology
Marine and continental quaternary
Stress analysis
Surficial geology
experimental studies
stress
fluvial erosion
bedload
testing
discharge
erosion
alluvium
transport
overthrust
standard deviation
Online AccessGet full text

Cover

More Information
Summary:Experiments on initiation of motion and rate of bed load transport of different fractions in case of nonuniform sediments are reported. Analysis of these data as well as those from earlier studies by other investigators has shown some limitations of the available relationships for critical tractive stress (CTS) of sediment mixtures. Further analysis of the data has resulted in a new relationship for CTS in terms of the size of the particular fraction in question (d i ), the geometric mean size (d g ) and the geometric standard deviation (σ g ) of the mixture. An empirical relationship has been obtained for the critical tractive stress of the size d σ defined as d g σ g .
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ObjectType-Article-2
ObjectType-Feature-1
ISSN:0022-1686
1814-2079
DOI:10.1080/00221689909498531