storm water storage tank
TRANSCRIPT
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Storm water storage tank
Ignacio Reboto, Civil&Structural engineer
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Underground storm water storage tank,
summary description
• Main function: Capture and retain storm water mainly in periods
of high precipitation, reducing flood risk.
• Construction materials used� Concrete HA-30/B/20/IIa
� Steel B500S
• Buried construction, the lowest point of the structure is 5.4 meters
below ground level.
• It is divided into two parts, main chamber(water storage) and drain
chamber
• These chambers are formed by two slab foundations, four
perimeter walls, one interior wall and one cover slab.
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Project drawings, 1. Shapes
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2. Slab foundations
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3. Walls
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4. Walls
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5. Walls
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6. Cover slab
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Steel (kg) Concrete (m3) Amount (kg/m3)
Slab foundations 1.793 30,00 59,77
Walls 4.072 18,75 217,17
Cover slab 1.219 30,00 40,63
TOTAL 7.084 18,75
Volume of excavation m3
Length Height Width Volume
Main hole 13,2 4,2 5 277,2
Drainage Hole 1,8 5,4 5 48,6
Slope, side 1 5 4,2 6,3 66,2
Slope, side 2 5 5,4 8,1 109,4
Slope, side 3 13,2 4,2 6,3 174,6
Slope, side 4 1,8 5,4 8,1 39,4
Slope, side 5 13,2 4,2 6,3 174,6
Slope, side 6 1,8 5,4 8,1 39,4
TOTAL 929,3
Steel and concrete
quantity
Excavation