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Effects of negative and positive pressure in tunnel sewer drop shaft

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alfaromeo99

Civil/Environmental
Joined
May 3, 2008
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7
Location
AU
I am looking at a very large diameter tunnel connected via a vortex drop circa 700mm diameter. There are connected venting lines that also channel water in times of extreme events.
How will pressure fluctuations effect the system performance (+/-)?
 
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