WATER VOLUME CAPACITY OF TANK = 160 CAPACITY OF TANK = 80 INTERNAL DIMENSIONS = 2.2 X TOP SLAB: LIVE LOAD = 100 p.sf LIVE LOAD = 4.8 TOTAL LOAD = 54.86 KN WEIGHT OF PUMPS = 500 kg 4.9 KN ASSUMPTION TOP SLAB SIZE = 7 X 5.19 9.08 WEIGHT OF TOP SLAB = 21825.25 KG 214.105678 KN WEIGHT OF TOP SLAB = 53.52641949 KN TOTAL FACTORED LOAD = 26790.30 TOTAL FACTORED LOAD = 262.81 KN WALL DESIGN: SOIL PRESSURE ON WALL 2 Ks = 1 - sinΦ 1 + sinΦ Ks = 0.3333 14.12 KN PRESSURE OF WATER FREE BOARD = 0.1 m m 3 m 3 KN/m 2 m 3 Hs = 1k aw eh 2 Hs =
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WATER VOLUME
CAPACITY OF TANK = 160
CAPACITY OF TANK = 80
INTERNAL DIMENSIONS = 2.2 X 7
TOP SLAB:
LIVE LOAD = 100 p.sf
LIVE LOAD = 4.8
TOTAL LOAD = 54.86 KN
WEIGHT OF PUMPS = 500 kg4.9 KN
ASSUMPTION
TOP SLAB SIZE = 7 X 5.19 X
9.08 WEIGHT OF TOP SLAB = 21825.25 KG
214.105678 KN WEIGHT OF TOP SLAB = 53.52641949 KN
TOTAL FACTORED LOAD = 26790.30 TOTAL FACTORED LOAD = 262.81 KN
WALL DESIGN:
SOIL PRESSURE ON WALL
2Ks = 1 - sinΦ
1 + sinΦ
Ks = 0.3333
14.12 KN
PRESSURE OF WATER
FREE BOARD = 0.1 m
m3
m3
KN/m2
m3
Hs = 1k aw eh 2
Hs =
Hw = Hw = 10.30 KN
PRESSURE OF SURCHARGE:
LENGTH OF SURCHARGE = 2200 + 300
LENGTH OF SURCHARGE = 2500 mmLENGTH OF SURCHARGE = 2.5 m
17.512
= 1.46 m Ps = 5.83 KN
Fs = 14.58 KN
SURCHARGE LOAD = 12
Hs = = 4.0
TOTAL SURCHARGE LOAD = 10 KNSURCHARGE LOAD =
LATERAL FORCE = 14.12 KN LATERAL FORCE =
OVERTURNING MOMENT = 0.733 X 14.12 += 28.57 KN.M
SOIL DENSITY = 12.00INTERNAL DEPTH = 2.20 m Ks = 1 - sinΦWALL THICKNESS = 0.25 m 1 + sinΦ
BASE SLAB LENGTH = 7 m Ks = 0.3333BASE SLAB WIDTH = 5.19 m
BASE SLAB THICKNESS = 0.25 m hs (due to surcharge)TOP SLAB THICKNESS = 0.25 m
TOP SLAB LENGTH = 7 m PRESSURE DUE TO SURCHARGETOP SLAB WIDTH = 5.19 m
EXTENDED PORTION LENGTH = 0.25 m
SELF WEIGHT OF WALL
MOMENT CAPACITYRESISTING MOMENT
DUE TO :1 WALL = 2.20 X 0.25 X
(plus TOP SLAB) = 7 X 5.19 X
1/2YW(H-F)
hs (due to surcharge) =
hs (due to surcharge) =
KN/m2
Ka X Ws KN/m2
KN/m2
2 BASE SLAB = 2.845 X 0.25 X3 EXTENDED PORTION = 0.25 X 0.25 X
OVERTURNING MOMENTCONSIDERING THE EMPTY CONDITION:
SOIL PRESSSURE = = 16.94
2
PRESSURE DUE TO SURCHARGE = 5.83 = 15.40
FACTOR OF SAFETY AGAINST OVERTURNING =BALANCING MOMENT
OVERTURNING MOMENT
F.S (OVERTURNING) = 2.30 > 2
MOMENT FOR WALL DESIGN = 29.36 KN.M
21.64 K-FT
Ru = Mu
= 384.75 psi
ρ = 0.018 = 0.008
= 0.684
USING # 6 BARS SPACED AT 150mm
TOP SLAB
Slab Span (lx) 7 m ly/lx
Slab Width (ly) 5.190 m Area of Slab
Slab Thickness (h) 200 mmLive Load 4.80
Live Load 174.4 KN Self Wt of Slab
Hs = 1k aw eh 2
KN/m2
bd2
As in2
Weight of Pumps 49.1 kN Wt of Nozzles
Weight of liquid 0.0 kN
Weight of Walls 0.0 kN
Total Factored Load 337.9 kN W
Cf W Lx
Mx1 (-ve) Err:502 0.0 0.0
Mx2 (+ve) Err:502 0.0 0.0
My1 (-ve) Err:502 0.0 0.0
My2 (+ve) Err:502 0.0 0.0
Qx1 Err:502 0.0 0.0
Qy1 Err:502 0.0 0.0
Mu max
Clear Cover (cc) 50 mm Max bar pitch
d 144 mm b
Bottom-bar size (db) D 12 mm Sectional area
Rn = Mu / (φ b d²)
Calculated As
Min As Err:502 mm² Max As
Min As (by shrinkage and temperature reinforcement)