huangyhg

sewage treatment plant structural design
i'm in the process of designing a sewage treatment plant(stp); i'm following the aci for environmental structures. i tried to look for some other references that provide a guidelines and precautions in the designing process or books that provides some examples, can any one provide some help or gaudiness on the design process.
the stp is to serve an indsrial area which will be built on the ground surface, i.e. the critical design case will be when the tanks are full. moreover, the walls are 4.5m high.
there is nothing inherently different in this design and any other containment vessel design, except the protection necessary for the surfaces exposed to the sewage and to minimize cracking that would allow water intrusion to affect the reinforcement. sewage is corrosive and if you do the structural design based on liquid levels (the specific gravity of sewage is not significantly different than plain water, but consider it), then protect the surfaces through the specification of dense concrete mixes and surface coating, that should be adequate.
a great reference is "rectangular concrete tanks" from pca.

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