BS 3680-4I:1986
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
30-09-1986
National foreword
Committees responsible
Method
1. Scope and field of application
2. References
3. Definitions
4. Units of measurement
5. Installation
6. General requirements for maintenance
7. Measurement of head
8. V-shaped broad-crested weirs
9. Discharge equations
10. Errors in flow measurement
Annexes
A. Scaling effects
B. "More than full" flow
C. Submerged flow
Figures
1. V-shaped broad-crested weir
2. Longitudinal section of three types of construction
3. Determination of head-gauge datum
4. Dimensions of weir and flow
5. Discharge coefficient as a function of h1/L
6. Flow pattern above crest for free flow with
h1/L = 0,353
7. Dimensions for "more than full" flow
8. Modular limit for V-shaped broad-crested weirs
9. Submerged flow reduction factor for V-shaped
broad-crested weirs
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