AS 3778.2.5-2001

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.

Originated as AS 3778.2.5-1991.
Second edition 2001.