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4. The rapid sand filter being designed for a certain town has the characteristics and sieve analysis shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth = 0.60 m Filtration rate = 130 m³/d. m² Sand specific gravity = 2.60 Shape factor=0.85 Stratified bed porosity = 0.45 Water temperature=19°C Standard Sieve No. 8-12 12-16 16-20 20-30 30-40 40-50 50-70 70-100 Mass percent retained 0.1 0.43 5.70 23.40 45.00 20.20 3.70 0.20

4. The rapid sand filter being designed for a certain town has the characteristics and sieve analysis shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth = 0.60 m Filtration rate = 130 m³/d. m² Sand specific gravity = 2.60 Shape factor=0.85 Stratified bed porosity = 0.45 Water temperature=19°C Standard Sieve No. 8-12 12-16 16-20 20-30 30-40 40-50 50-70 70-100 Mass percent retained 0.1 0.43 5.70 23.40 45.00 20.20 3.70 0.20

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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4. The rapid sand filter being designed for a certain town has the characteristics and sieve analysis shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth=0.60 m Filtration rate = 130 m³/d. m² Sand specific gravity = 2.60 Shape factor = 0.85 Stratified bed porosity = 0.45 Water temperature = 19°C Standard Sieve No. 8-12 12-16 16-20 20-30 30-40 40-50 50-70 70-100 Mass percent retained 0.1 0.43 5.70 23.40 45.00 20.20 3.70 0.20
Transcribed Image Text:4. The rapid sand filter being designed for a certain town has the characteristics and sieve analysis shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth=0.60 m Filtration rate = 130 m³/d. m² Sand specific gravity = 2.60 Shape factor = 0.85 Stratified bed porosity = 0.45 Water temperature = 19°C Standard Sieve No. 8-12 12-16 16-20 20-30 30-40 40-50 50-70 70-100 Mass percent retained 0.1 0.43 5.70 23.40 45.00 20.20 3.70 0.20
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