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Design-of-sewers-Tutorial
Calculate velocity and discharge through rectangular sewer of `2.5\ m` width and `1.5\ m` depth and laid at a gradient of `1:200` and running full. Take Chezy's coefficient ,`C =58.8`.
Solution:
From Chezy formula,
`V=C root()(RS)`
`=58.8 root()(RS)`
Where, `R=A/P=(2.5**1.5)/(2(2.5+1.5))=0.4687\ m`
Thus,
`V=58.8 root()(0.4687**1/200)`
`=2.846\ m/s`
And the discharge is,
`Q=AV=(1.5**2.5)**2.846`
`=10.67\ m^3/s`
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This chapter includes importance and objectives of waste management, sewage collection system, types of sewarage system, comparison of separate and combined system.
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Determine the size of circular sewer for a discharge of `500` lps running half full. The gradient is 1 in 1000 and `n=0.015`.
Calculate velocity and discharge through rectangular sewer of `2.5\ m` width and `1.5\ m` depth and laid at a gradient of `1:200` and running full. Take Chezy's coefficient ,`C =58.8`.
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