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Design standard for outdoor drainage (GB 50014-2021) pdf

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2021-09-03
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Brief introduction: GB 50014-2021 outdoor drainage design standard the main technical contents of this standard revision are as follows:
1. Supplement and modify some terms;
2. Newly added Chapter 3 drainage engineering, which specifies the composition and phase of outdoor drainage engineering
Mutual relationship;
3. The pipeline into the comprehensive pipe gallery, green rainwater storage facilities and inverted siphon foundation are added
Drainage of foundation, elevated road and underpass overpass Road, etc;
4. The contents of the sump of the pumping station under the overpass are supplemented;
5. The tower biofilter and land treatment processes are deleted, and membrane bioreactor is added
MBR, MBBR and constructed wetland are widely used
Extensive and reliable process;
6. Supplement of high solid anaerobic digestion, aerobic fermentation, lime stabilization, deep dehydration and sewage
Sludge drying, incineration, deodorization, etc;
7. Supplement and improve the design standards of sewage treatment and sludge treatment and disposal;
8. The contents of intelligent drainage system such as informatization and intellectualization have been added.
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architectural engineering

Decoration

Road and bridge tunnel

structural engineering

Electric power

engineering cost

HVAC

Landscape

Water supply and drainage engineering

water conservancy project

Construction supervision

Geotechnical engineering

Registration examination

Material model

paper

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