A sediment pond has been designed to take flood water from a small river that is high in suspended solids, allow the solids to deposit as sediment, and then return the water to the river when the flood risk has reduced. The pond can hold 1000 m³ of sediment as water-rich sludge. The sludge has a concentration of 100 g SS/L. The pond takes inflow with 50 g SS/m³ and returns the same volume later at 10 g SS/m³. When there is a storm, the flow rate in is 1 m³/sec and lasts for one day. How many of these storm events until the pond fills with sludge?
A sediment pond has been designed to take flood water from a small river that is high in suspended solids, allow the solids to deposit as sediment, and then return the water to the river when the flood risk has reduced. The pond can hold 1000 m³ of sediment as water-rich sludge. The sludge has a concentration of 100 g SS/L. The pond takes inflow with 50 g SS/m³ and returns the same volume later at 10 g SS/m³. When there is a storm, the flow rate in is 1 m³/sec and lasts for one day. How many of these storm events until the pond fills with sludge?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A sediment pond has been designed to take flood water from a
small river that is high in suspended solids, allow the solids to
deposit as sediment, and then return the water to the river
when the flood risk has reduced. The pond can hold 1000 m³ of
sediment as water-rich sludge. The sludge has a concentration
of 100 g SS/L. The pond takes inflow with 50 g SS/m³ and
returns the same volume later at 10 g SS/m³. When there is a
storm, the flow rate in is 1 m³/sec and lasts for one day. How
many of these storm events until the pond fills with sludge?
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