ASTM-D5388 2021(Redline)

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D5388-21 Standard Test Method for Indirect Measurements of Discharge by Step-Backwater Method (Redline)

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 17.220.20 - Measurement of electrical and magnetic quantities, ASTM

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Description

ASTM D5388-21

Redline Standard: Standard Test Method for Indirect Measurements of Discharge by Step-Backwater Method

ASTM D5388

Scope

1.1 This test method covers the computation of discharge of water in open channels or streams using representative cross-sectional characteristics, the water-surface elevation of the upstream-most cross section, and coefficients of channel roughness as input to gradually-varied flow computations.2

1.2 This test method produces an indirect measurement of the discharge for one flow event, usually a specific flood. The computed discharge may be used to define a point on the stage-discharge relation.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

flood; open channel flow; water discharge;

ICS Code

ICS Number Code 17.220.20 (Measurement of electrical and magnetic quantities)

DOI: 10.1520/D5388-21

Additional information

Standard Title	D5388-21 Standard Test Method for Indirect Measurements of Discharge by Step-Backwater Method (Redline)
Published Code	ASTM
Publication Date	2021
ICS Codes	17.220.20 - Measurement of electrical and magnetic quantities