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AS
AS 3778.2.5-2001

AS 3778.2.5-2001

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Measurement of water flow in open channels General - Guidelines for the selection of flow-gauging structures

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

23-06-2022

Superseded by

AS 3778.2.5:2022

Language(s)

English

Published date

12-03-2001

Publisher

Standards Australia

Preview
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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 3778.2.5-2001 MEASUREMENT OF WATER FLOW IN OPEN CHANNELS - GENERAL-GUIDELINES FOR THE SELECTION OF FLOW-GAUGING STRUCTURES
4 - PREFACE
6 - CONTENTS
7 - 1 Scope
7 - 2 Normative references
8 - 3 Terms, definitions and symbols
8 - 4 Types of structure
9 - 5 Factors affecting choice
9 - 5.1 General
9 - 5.2 Purpose
9 - 5.3 Range of flow
9 - 5.4 Afflux
12 - 5.5 Size and nature of channel
12 - 5.6 Channel slope and sediment load
12 - 5.7 Operation and maintenance
12 - 5.8 Passage of fish
13 - 5.9 Cost
13 - 6 Recommendations
13 - 6.1 Thin-plate weirs
13 - 6.1.1 General
13 - 6.1.2 Rectangular weirs
13 - 6.1.3 V-notch weirs
13 - 6.2 Broad-crested weirs
13 - 6.2.1 General
14 - 6.2.2 Round-nose weirs
14 - 6.2.3 Rectangular horizontal weirs
14 - 6.2.4 V-shaped weirs
14 - 6.3 Triangular-profile weirs
14 - 6.4 Streamlined triangular-profile weirs
14 - 6.5 Flat-V weirs
14 - 6.6 Compound gauging structures
14 - 6.7 Trapezoidal-profile weirs
15 - 6.8 Vertical underflow gates and radial gates
15 - 6.9 End-depth method
15 - 6.10 Flumes
15 - 6.10.1 General
15 - 6.10.2 Rectangular flumes
15 - 6.10.3 Trapezoidal flumes
15 - 6.10.4 U-throated flumes
15 - 6.10.5 Parshall and SANIIRI flumes
15 - 7 Parameters governing choice of structures

This Standard is identical to and has been reproduced from ISO8368:1999.

Committee
CE-024
DocumentType
Standard
ISBN
0 7337 3630 0
Pages
11
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 8368:1999 Identical

Originated as AS 3778.2.5-1991.
Second edition 2001.

AS 3778.4.10-1991 Measurement of water flow in open channels Measurement using flow gauging structures - End-depth method for estimation of flow in rectangular channels with a free overfall (Reconfirmed 2009)
AS 3778.4.2-1991 Measurement of water flow in open channels Part 4: Measurement using flow gauging structures Rectangular broad-crested weirs
AS 3778.4.3-1991 Measurement of water flow in open channels Measurement using flow gauging structures - Round-nose horizontal broad-crested weirs (Reconfirmed 2019)
AS 3778.4.7-1991 Measurement of water flow in open channels Measurement using flow gauging structures - Rectangular, trapezoidal and U-shaped flumes (Reconfirmed 2009)
AS 3778.1-2001 Measurement of water flow in open channels Vocabulary and symbols
AS 3778.4.6-2007 Measurement of water flow in open channels Measurement using flow gauging structures - Flat-V weirs
AS 3778.4.5-1991 Measurement of water flow in open channels Part 4: Measurement using flow gauging structures Triangular profile weirs
AS 3778.4.1-1991 Measurement of water flow in open channels Part 4: Measurement using flow gauging structures Thin-plate weirs

AS 3778.7-2008 Measurement of water flow in open channels Determination of volume of water and water level in lakes and reservoirs
AS 3778.4.2-1991 Measurement of water flow in open channels Part 4: Measurement using flow gauging structures Rectangular broad-crested weirs

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