hp pump shed - comparision
DESCRIPTION
Hp, Pump, Hi Pressure pumpTRANSCRIPT
Fugro Report No.: 11/5457/AD/P-8362/Report 04/Rev (01) Page 20
Table 16 – Recommended Geotechnical Design Parameters – Profile 2 (NROP-BH04 to BH11)
Elevation
(mCD)
Thickness
of layer
(m)
Soil / Rock
Type
SPT N
Value
UCS
MPa
γ (sat)
kN/m3
'φ
Deg
E
MPa
+3.70 to +1.00 2.70 Medium dense, slightly silty to silty, very gravelly SAND 13 N.A. 17 31 15
+1.00 to -8.00 9.00 Very weak, fine to medium grained CALCARENITE/SANDSTONE N.A. 2.0 21 >35 600
-8.00 to -10.00 2.00 Very weak, CALCARENITE interbedded with SILTSTONE. N.A. 1.0 21 >35 200
-10.00 to -14.70 4.70 Very weak, CALCARENITE interbedded with SILTSTONE and CONGLOMERATE.
N.A. 2.0 21 >35 600
Notes: 1) The cover soils removed while excavating the service pit were not considered in the profile (top 1.5m);
2) NROP-BH06 was not considered in the above profile;’
3) N.A. - test is not applicable to type of material;
4) Elevations presented are an average considering the subsurface profiles obtained at each test location.
Table 17 – Recommended Geotechnical Design Parameters – Profile 3 (NROP-BH06)
Elevation
(mCD)
Thickness
of layer
(m)
Soil / Rock
Type
SPT N
Value
UCS
MPa γ (sat)
kN/m3
'φ
Deg
E
MPa
+3.50 to -2.50 6.00 Loose to medium dense, slightly silty to silty, very gravelly, fine to coarse SAND.
10 N.A. 17 30 10
-2.50 to -8.00 5.50 Very weak to weak, CONGLOMERATE N.A. 5.0 22 >35 1600
-8.00 to -13.00 5.00 Exstremely weak to weak, CALCARENITE interbedded with SANDSTONE.
N.A. 1.0 21 >35 150
-13.00 to -15.0 2.00 Very weak to weak, CONGLOMERATE N.A. 4.0 21 >35 1000
Notes: 1) The cover soils removed while excavating the service pit were not considered in the profile (top 1.5m);
2) N.A. - test is not applicable to type of material;
3) Elevations presented are an average considering the subsurface profiles obtained at each test location.
Method: Cross-hole seismic survey TITLE: Shear ModulusProject: Zirku Facilities Upgrade New RO Plant
P-8362 Potable Water Borehole: NROP-BH04 JOB REF : 11-5457-AD Location: Zirku Island
DATE: CLIENT: ZADCO PLATE No: A6.1.316.02.2012
Shear Modulus (GPa)
-15.00
-13.00
-11.00
-9.00
-7.00
-5.00
-3.00
-1.00
1.00
3.00
5.000.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00
Elev
atio
n (m
CD
)
Method: Cross-hole seismic survey TITLE: Poisson RatioProject: Zirku Facilities Upgrade New RO Plant
P-8362 Potable Water Borehole: NROP-BH04 JOB REF : 11-5457-AD Location: Zirku Island
DATE: CLIENT: ZADCO PLATE No: A6.1.416.02.2012
Poissons Ratio
-15.00
-13.00
-11.00
-9.00
-7.00
-5.00
-3.00
-1.00
1.00
3.00
5.000.00 0.10 0.20 0.30 0.40 0.50
Elev
atio
n (m
CD
)
1 Soil and Foundation Data
Allowable Soil Bearing Qas = kN/m2
Shear Modulus G = kN/m2
Soil Internal Damping Ratio =
Poisson's Ratio γ =
Unit Weight of Soil γ s = kN/m2
Unit Weight of Concrete γ c = kN/m2
Footing Width (Z Direction) FL = m
Footing Length (X Direction) FB = m
Footing Height FH = m
Pedestal Width PL = m
P d t l L th PB
2
5
0.9
0
0
DOCUMENT: Machine Foundation DesignContractor Document No.
All Reference in this calculation note is made to SAES Q-007 "Foundation and Supporting Structures for heavy machinery" unless otherwise noted.
250000
0.4
17
24
0.04
140
30-Apr-15
REVSTRUCTURE: High Pressure Pump - RO Pass - I
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Pedestal Length PB = m
Pedestal Height PH = m
Foundation Top above Ground Level G.L = m
Height h = m
Thickness of Grout = m
2 Equipment Data
Weight of Pump Wc = 0.955 ton = 9.4 kN
Weight of Motor Wm = 3.81 ton = 37.4 kN
Weight of Base Plate Wb = 1.95 ton = 19.1 kN
Weight of Silencer Ws = 0 ton = 0.0 kN
Total Weight WL = 6.715 ton = 65.9 kN
3 Machine Data
(1) Values for Equipment
RPM PUMP = rpm
Weight PUMP = ton
Unbalanced Force PUMP = ton
RPM MOTOR = rpm
Weight MOTOR = ton
Unbalanced Force MOTOR = ton
(2) Dimensions of Equipment & Foundation
C.G from machine bottom to machine center = m
C.G of shaft from machine bottom = mC.G from pedestal edge to machine center (X-direction) (Edx) = m
C.G from pedestal edge to machine center (Y-direction) (Edy) = m
0.3
0.9
0
0
3.81
0
2.5
1
0.9
0.9
0.025
3000
0.955
0
3000
DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REVSTRUCTURE: High Pressure Pump - RO Pass - I
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PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
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4 Check for Blower Foundation Design
4.1 The Mass Ratio
(1) Foundation weightW c = [(FL*FB*FH)+(PL*PB*PH)] * Unit wt of Concrete
= 24 *((2*5*0.9)+(0*0*0)) = kN
(2) Machine weight
= kN
(3) Mass Ratio SAES Q-007R = Wc / Wm > 3 = cl 6.1.2
Condition: Ratio > 5, for reciprocating equipment
Condition: Ratio > 3 , for rotating equipment
Wm = Weight of blower + Weight of motor + Weight of base plate + Weight of Silencer 65.87
3.28
Hence OK
216.00
4.2 The Minimum Thickness of Concrete Foundation
SAES Q-007
FH + PH ≥ 0.6 + FB / 30 (m) cl 6.1.3
≥
4.3 The Width of Concrete Foundation
SAES Q-007
FL > 1.5 * Vertical Distance From the Base to the Machine Centerline cl 6.1.4
2 > 1.350
4.4 Allowable Soil Bearing Pressure (Static)
= (216+65.87415)/(2*5) = kN/m2
(Low Tuned Foundations) = kN/m2SAES Q-007
cl 8.2
4.5 Allowable Eccentricities for Concrete Foundation
W1 = Wc + Wm = kN
X' = = m
SAES Q-007
Eccentricity in X-Direction cl 7.1
= (100*((5/2)-2.5))/2 = Condition : 5%
((65.87415*2.5) + (0*0*0*24*(0/2)) + (2*5*0.9*24*(2/2))) / 281.87415
0.000
Hence OK
281.87
2.500
Hence OK
0.90 0.767 Hence OK
Hence OK
Q = Wt / Area
Qa = 0.75 * Qas 105
28.187415
DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REVSTRUCTURE: High Pressure Pump - RO Pass - I
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PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
Y' = = m
SAES Q-007
Eccentricity in Y-Direction cl 7.2
= (100*((2/2) - 1)) / 2 = Condition : 5%
Z' =
= m
4.6 Rebar Check
Rebar Dia = mm
Stirrup Dia = mm
Required Ast = 0.0018 x b x H/2 on each face SAES Q-007
= 0.0018 * 2 * 0.9 / 2 = mm2/m cl 5.2.3
Rebar Spacing = mm
Provided Ast = mm2/m
124
1675.52
((65.87415*1) + (0*0*0*24*(0/2)) + (2*5*0.9*24*(2/2))) / 281.87415
(65.87415*(0.9+0+0.9)) + ((0*0*0*24)*(0.9 + (0/2))) + ((2*5*0.9*24)*(0.9/2))) / 281.87415
1620.000
16
12
0.765
Hence OK
1.000
0.00
Provide 16 mm bars @ 120 mm c/c on top and bottom faces.
Provide 12 mm bars @ 120 as stirrup.
1 Input Data
1.1 Soil and Foundation Data
Allowable Soil Bearing Qas = kN/m2
Shear Modulus G = kN/m2
Soil Internal Damping Ratio =
Poisson's Ratio γ =
Unit Weight of Soil γ s = kN/m2
Unit Weight of Concrete γ c = kN/m2
Footing Width FL = m
Footing Length FB = m
Footing Height FH = m
Pedestal Width PL = m
Pedestal Length PB = m
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DESIGNED CHECKED
140
250000
0.04
0.4
17
2
5
0.9
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1All Reference in this calculation note is made to Design of structures and foundations for vibrating machines by Suresh.C.Arya unless otherwise noted.
0
24
STRUCTURE:
0
Pedestal Length PB m
Pedestal Height PH = m
Foundation Top above Ground Level G.L = m
Height h = m
Thickness of Grout = m
1.2 Equipment Data
Weight of Equipment Wc = 0.955 ton = 9.4 kN
Weight of Motor Wm = 3.81 ton = 37.4 kN
Weight of Base Plate Wb = 1.95 ton = 19.1 kN
Weight of Silencer Ws = 0 ton = 0.0 kN
Total Weight WL = 6.715 ton = 65.9 kN
2 Machine Data
(1) Values for Equipment
RPM C.A.BLOWER = rpm
Rotor Weight C.A.BLOWER = ton
Unbalanced Force C.A.BLOWER = ton
RPM MOTOR = rpm
Rotor Weight MOTOR = ton
Unbalanced Force MOTOR = ton
(2) Dimensions of Equipment & Foundation
C.G from machine bottom to machine center = m
C.G of shaft from machine bottom = mC.G from pedestal edge to machine center (X-direction) (Edx) = m
C.G from pedestal edge to machine center (Y-direction) (Edy) = m
0
3000
3.81
0
0
0.3
0.9
0.025
0
0.9
0.9
2.5
1
3000
0.955
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PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
RPM PUMP = rpm
Motor = rpm
Weight PUMP = ton
Motor = ton
Unbalanced Force PUMP = ton
Motor = ton
Moment by U.F PUMP = ton-m
Motor = ton-m
2.1 Centrifugal Force
For Pump For Motor
Fo = (Wr / g)*e*w2= kN = 18.802 kN
Wr = Wc(rotor) + Ws Wr = Wc(rotor) + Ws
= ton = ton0.955 3.810
4.713
0
0
0
0.955
3.81
3000
3000
0
= kN = kN
g = 981 cm/s2g = 981 cm/s2
e = α √(12000 / RPM) * 0.0025 e = α √(12000 / RPM) * 0.0025
= 1 * √12000 /3000) * 0.0025 = 1 * √12000 /3000) * 0.0025
= cm = cm
w = RPM * 2 * π / 60 w = RPM * 2 * π / 60
= 3000 * 2 * π / 60 = 3000 * 2 * π / 60
= rad/s = rad/s
Fo = Factor * W * (rpm/1000)1.5SAES Q-007
= 0.001 * (0.955*1000) * (3000 /1000 ) ^1.5 = 0.001 * (3.81*1000) * (3000/1000 ) ^1.5 cl 9.4.2
= kN = 19.797 kN
Fo = 0 * 9.81 = kN = 0 * 9.81 = 0.000 kN
Vertical Dynamic Force Fv = kN = 0.000 kN
Horizontal Dynamic Force Fh = kN = 0.000 kN
Rocking Dynamic Moment Mr
= Fv(blower) * (h+ CG)
= 0 * (0.9 + 0.9) = kN-m = 0.000 kN-m
2.2 Calculation of Center of Gravity of Machines and Foundation
Total Weight of Machine WE = kN
Total Weight of Pedestal Wcp = kN
Total Weight of Footing Wcb = kN
65.874
0.0050
314.159
9.369 37.376
0.0050
314.159
4.962
0.000
0.000
0.000
0.000
216
0
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ZADCO Document No.DATE
DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
Foundation Weight WF=Wcp + Wcb WF = kN
Total Static Load W = WF + WE W = kN
Io = Wek2
M + ∑[ WF / 12 (ai2 + bi
2) + WF k2Fi] Table 4-6
=
Io = kN-m2
2.3 Coefficients Bv, Bh, Br for Rectangular Footings
Fig. 4.1, Design of Structures Foundations for Vibrating Machines - Suresh.C.Arya
26.60
(6.715*(0.9+0.9)^2)+((0/9.81)/(12*((0^2)+(0^2))))+((0/9.81)*(((0/2)+0.9)^2))+((216/9.81)/(12*((2^2)+(0.9^2))))+((216/9.81)*((0.9/2)^2))
216.00
281.87
L/B FL = m
0.400 FB = mHorizontal (βx) 0.400
0.400
3 Vertical Excitation Analysis
3.1 Spring Constant
(1) Equivalent Radius (rov) for Rectangular Foundation Table 4-2
rov = √(FB * FL/π) =√(5*2)/π = m
Vertical (βz)Coefficients
2.100
1
0.85
2.005.00
1.78
Rocking (βΨ)
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DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
L
B
(2) Embedment Factor for Spring Constant
Effective Embedment Height
= h - G.L
=0.9 - 0.3 = m
η 1+ 0 6*(1 υ)*(h/r ) = Table 4 2
Axis
of
Roc
king
1 12
0.60
ηv = 1+ 0.6*(1‐υ)*(h/rov) = Table 4-2
(3) Spring Constant Coefficientβv (From Graph) = Fig 4-1
(4) Equivalent Spring Constant for Rectangular Foundation Table 4-1Kv = G / (1-υ) * βv * √(FB*FL) * ηv=(250000/(1-0.4))*2.1*√(5*2)*1.122 = kN/m
3.2 Damping ratio
(1) Effect of Depth of Embedment on Damping Ratioαv = [1+1.9(1-υ)*h/rvo] / √ηv Table 4-4
=(1+1.9*(1-0.4)*(0.6/1.785))/√1.122 =
(2) Mass Ratio Table 4-3Bv = (1-υ)/4 * W/(γ * rov
3) =
=((1-0.4)/4)*((281.87415/9.81)/(1.733*1.785^3 ))
(3) Effective Damping Coefficient
This is not available for Vertical Mode.
(4) Geometrical Damping Ratio Table 4-3Dv = 0.425 / √Bv * αv
=0.425/√(0.438)*1.307 =
(5) Internal Damping Soil DataDvi (Consider the Internal Damping) =
0.438
0.839
0.040
1.307
3101986.73
1.12
2.100
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DOCUMENT: Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
(6) Total Damping RatioDvt = Dv + Dvi =
3.3 Frequency Check
(1) Natural FrequencyFnv = 60 / (2π)*√(Kv/m)
=(60/(2*3.14))*√(3101986.731/(281.87415/9.81)) = rpm
(2) Resonance Frequency (rpm) Table 1-4Frv = Fnv*√[1-(2*Dvt
2)] = rpm
2*Dvt2 = rpm Condition :>1
0.879
3139.196
1.55
Not Applicable
Resonance not possible!! No need to perform Vibration Analysis
(3) Frequency Ratio For Blower For Motorrv = fv / Fnv = = 0.956
Unsafe Unsafe SAES Q-007
cl 10.1
(4) Magnification FactorMv = 1 / √((1-rv
2)2+(2Dvt*rv)2) Table 1-4
=1/(√((1-0.956^2)^2+(2*0.88*0.956)^2)) =1/(√((1-0.956^2)^2+(2*0.88*0.956)^2)) Condition:<1.5
= = 0.594
Hence OK Hence OK
(5) Transmissibility Factor Table 1-4Tv = Mv * √(1+(2Dvt*rv)
2)
=0.595*√(1+(2*0.88*0.956)^2) =0.595*√(1+(2*0.88*0.956)^2)
= = 1.162
(6) Vibration Amplitude Table 1-4
For normal operating speed of 3000 For normal operating speed of 3000V = (Mv * Fv) / Kv
=(0.595*0)/3101986.731 =(0.595*0)/3101986.731
= m = 0E+00 m
V(rocking) = R * (FL/2)
=0.0000005 * 2/2 = m =0.0000000 * 2/2 = 0E+00 m
Total Vertical Amplitude Vtotal = 0+0.001+0+0
= m
Condition : 0.7 >r v > 1.3
0.00E+00
0.594
5.00E-07
0.956
5.00E-07
1.162
1 Soil and Foundation Data
Allowable Soil Bearing Qas = kN/m2
Shear Modulus G = kN/m2
Soil Internal Damping Ratio =
Poisson's Ratio γ =
Unit Weight of Soil γ s = kN/m2
Unit Weight of Concrete γ c = kN/m2
Footing Width (Z Direction) FL = m
Footing Length (X Direction) FB = m
Footing Height FH = m
Pedestal Width PL = m
P d t l L th PB
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
30-Apr-15
REVSTRUCTURE: High Pressure Pump - RO Pass - I
DESIGNED CHECKEDA1
DOCUMENT: Machine Foundation DesignContractor Document No.
All Reference in this calculation note is made to SAES Q-007 "Foundation and Supporting Structures for heavy machinery" unless otherwise noted.
5357.143
0.4
17
24
0.04
140
2
5
0.9
0
0Pedestal Length PB = m
Pedestal Height PH = m
Foundation Top above Ground Level G.L = m
Height h = m
Thickness of Grout = m
2 Equipment Data
Weight of Pump Wc = 0.955 ton = 9.4 kN
Weight of Motor Wm = 3.81 ton = 37.4 kN
Weight of Base Plate Wb = 1.95 ton = 19.1 kN
Weight of Silencer Ws = 0 ton = 0.0 kN
Total Weight WL = 6.715 ton = 65.9 kN
3 Machine Data
(1) Values for Equipment
RPM PUMP = rpm
Weight PUMP = ton
Unbalanced Force PUMP = ton
RPM MOTOR = rpm
Weight MOTOR = ton
Unbalanced Force MOTOR = ton
(2) Dimensions of Equipment & Foundation
C.G from machine bottom to machine center = m
C.G of shaft from machine bottom = mC.G from pedestal edge to machine center (X-direction) (Edx) = m
C.G from pedestal edge to machine center (Y-direction) (Edy) = m
0.025
3000
0.955
0
3000
3.81
0
2.5
1
0.9
0.9
0.3
0.9
0
0
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
30-Apr-15
REVSTRUCTURE: High Pressure Pump - RO Pass - I
DESIGNED CHECKEDA1
DOCUMENT: Machine Foundation DesignContractor Document No.
4 Check for Blower Foundation Design
4.1 The Mass Ratio
(1) Foundation weightW c = [(FL*FB*FH)+(PL*PB*PH)] * Unit wt of Concrete
= 24 *((2*5*0.9)+(0*0*0)) = kN
(2) Machine weight
= kN
(3) Mass Ratio SAES Q-007R = Wc / Wm > 3 = cl 6.1.2
Condition: Ratio > 5, for reciprocating equipment
Condition: Ratio > 3 , for rotating equipment
3.28
Hence OK
216.00
Wm = Weight of blower + Weight of motor + Weight of base plate + Weight of Silencer 65.87
4.2 The Minimum Thickness of Concrete Foundation
SAES Q-007
FH + PH ≥ 0.6 + FB / 30 (m) cl 6.1.3
≥
4.3 The Width of Concrete Foundation
SAES Q-007
FL > 1.5 * Vertical Distance From the Base to the Machine Centerline cl 6.1.4
2 > 1.350
4.4 Allowable Soil Bearing Pressure (Static)
= (216+65.87415)/(2*5) = kN/m2
(Low Tuned Foundations) = kN/m2SAES Q-007
cl 8.2
4.5 Allowable Eccentricities for Concrete Foundation
W1 = Wc + Wm = kN
X' = = m
SAES Q-007
Eccentricity in X-Direction cl 7.1
= (100*((5/2)-2.5))/2 = Condition : 5%
Hence OK
0.90 0.767 Hence OK
Hence OK
Q = Wt / Area
Qa = 0.75 * Qas 105
28.187415
281.87
2.500((65.87415*2.5) + (0*0*0*24*(0/2)) + (2*5*0.9*24*(2/2))) / 281.87415
0.000
Hence OK
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
30-Apr-15
REVSTRUCTURE: High Pressure Pump - RO Pass - I
DESIGNED CHECKEDA1
DOCUMENT: Machine Foundation DesignContractor Document No.
Y' = = m
SAES Q-007
Eccentricity in Y-Direction cl 7.2
= (100*((2/2) - 1)) / 2 = Condition : 5%
Z' =
= m
4.6 Rebar Check
Rebar Dia = mm
Stirrup Dia = mm
Required Ast = 0.0018 x b x H/2 on each face SAES Q-007
= 0.0018 * 2 * 0.9 / 2 = mm2/m cl 5.2.3
Rebar Spacing = mm
Provided Ast = mm2/m
1.000
0.00
124
1675.52
((65.87415*1) + (0*0*0*24*(0/2)) + (2*5*0.9*24*(2/2))) / 281.87415
(65.87415*(0.9+0+0.9)) + ((0*0*0*24)*(0.9 + (0/2))) + ((2*5*0.9*24)*(0.9/2))) / 281.87415
1620.000
16
12
0.765
Hence OK
Provide 16 mm bars @ 120 mm c/c on top and bottom faces.
Provide 12 mm bars @ 120 as stirrup.
1 Input Data
1.1 Soil and Foundation Data
Allowable Soil Bearing Qas = kN/m2
Shear Modulus G = kN/m2
Soil Internal Damping Ratio =
Poisson's Ratio γ =
Unit Weight of Soil γ s = kN/m2
Unit Weight of Concrete γ c = kN/m2
Footing Width FL = m
Footing Length FB = m
Footing Height FH = m
Pedestal Width PL = m
Pedestal Length PB = m
Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1All Reference in this calculation note is made to Design of structures and foundations for vibrating machines by Suresh.C.Arya unless otherwise noted.
0
24
STRUCTURE:
0
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
DESIGNED CHECKED
140
5357.143
0.04
0.4
17
2
5
0.9
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT:
Pedestal Length PB m
Pedestal Height PH = m
Foundation Top above Ground Level G.L = m
Height h = m
Thickness of Grout = m
1.2 Equipment Data
Weight of Equipment Wc = 0.955 ton = 9.4 kN
Weight of Motor Wm = 3.81 ton = 37.4 kN
Weight of Base Plate Wb = 1.95 ton = 19.1 kN
Weight of Silencer Ws = 0 ton = 0.0 kN
Total Weight WL = 6.715 ton = 65.9 kN
2 Machine Data
(1) Values for Equipment
RPM C.A.BLOWER = rpm
Rotor Weight C.A.BLOWER = ton
Unbalanced Force C.A.BLOWER = ton
RPM MOTOR = rpm
Rotor Weight MOTOR = ton
Unbalanced Force MOTOR = ton
(2) Dimensions of Equipment & Foundation
C.G from machine bottom to machine center = m
C.G of shaft from machine bottom = mC.G from pedestal edge to machine center (X-direction) (Edx) = m
C.G from pedestal edge to machine center (Y-direction) (Edy) = m
0
0
0.3
0.9
0.025
0
0.9
0.9
2.5
1
3000
0.955
0
3000
3.81
Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
DESIGNED CHECKED
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT:
RPM PUMP = rpm
Motor = rpm
Weight PUMP = ton
Motor = ton
Unbalanced Force PUMP = ton
Motor = ton
Moment by U.F PUMP = ton-m
Motor = ton-m
2.1 Centrifugal Force
For Pump For Motor
Fo = (Wr / g)*e*w2= kN = 18.802 kN
Wr = Wc(rotor) + Ws Wr = Wc(rotor) + Ws
= ton = ton
0
3000
0.955
3.81
3000
0.955 3.810
4.713
0
0
0
= kN = kN
g = 981 cm/s2g = 981 cm/s2
e = α √(12000 / RPM) * 0.0025 e = α √(12000 / RPM) * 0.0025
= 1 * √12000 /3000) * 0.0025 = 1 * √12000 /3000) * 0.0025
= cm = cm
w = RPM * 2 * π / 60 w = RPM * 2 * π / 60
= 3000 * 2 * π / 60 = 3000 * 2 * π / 60
= rad/s = rad/s
Fo = Factor * W * (rpm/1000)1.5SAES Q-007
= 0.001 * (0.955*1000) * (3000 /1000 ) ^1.5 = 0.001 * (3.81*1000) * (3000/1000 ) ^1.5 cl 9.4.2
= kN = 19.797 kN
Fo = 0 * 9.81 = kN = 0 * 9.81 = 0.000 kN
Vertical Dynamic Force Fv = kN = 0.000 kN
Horizontal Dynamic Force Fh = kN = 0.000 kN
Rocking Dynamic Moment Mr
= Fv(blower) * (h+ CG)
= 0 * (0.9 + 0.9) = kN-m = 0.000 kN-m
2.2 Calculation of Center of Gravity of Machines and Foundation
Total Weight of Machine WE = kN
Total Weight of Pedestal Wcp = kN
Total Weight of Footing Wcb = kN
0
216
65.874
0.0050
314.159
9.369 37.376
0.0050
314.159
4.962
0.000
0.000
0.000
0.000
Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
DESIGNED CHECKED
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT:
Foundation Weight WF=Wcp + Wcb WF = kN
Total Static Load W = WF + WE W = kN
Io = Wek2
M + ∑[ WF / 12 (ai2 + bi
2) + WF k2Fi] Table 4-6
=
Io = kN-m2
2.3 Coefficients Bv, Bh, Br for Rectangular Footings
Fig. 4.1, Design of Structures Foundations for Vibrating Machines - Suresh.C.Arya
216.00
281.87
26.60
(6.715*(0.9+0.9)^2)+((0/9.81)/(12*((0^2)+(0^2))))+((0/9.81)*(((0/2)+0.9)^2))+((216/9.81)/(12*((2^2)+(0.9^2))))+((216/9.81)*((0.9/2)^2))
L/B FL = m
0.400 FB = mHorizontal (βx) 0.400
0.400
3 Vertical Excitation Analysis
3.1 Spring Constant
(1) Equivalent Radius (rov) for Rectangular Foundation Table 4-2
rov = √(FB * FL/π) =√(5*2)/π = m
Coefficients2.100
1
0.85
2.005.00
1.78
Rocking (βΨ)
Vertical (βz)
Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
DESIGNED CHECKED
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT:
L
B
(2) Embedment Factor for Spring Constant
Effective Embedment Height
= h - G.L
=0.9 - 0.3 = m
η 1+ 0 6*(1 υ)*(h/r ) = Table 4 21 12
0.60
Axis
of
Roc
king
ηv = 1+ 0.6*(1‐υ)*(h/rov) = Table 4-2
(3) Spring Constant Coefficientβv (From Graph) = Fig 4-1
(4) Equivalent Spring Constant for Rectangular Foundation Table 4-1Kv = G / (1-υ) * βv * √(FB*FL) * ηv=(5357.143/(1-0.4))*2.1*√(5*2)*1.122 = kN/m
3.2 Damping ratio
(1) Effect of Depth of Embedment on Damping Ratioαv = [1+1.9(1-υ)*h/rvo] / √ηv Table 4-4
=(1+1.9*(1-0.4)*(0.6/1.785))/√1.122 =
(2) Mass Ratio Table 4-3Bv = (1-υ)/4 * W/(γ * rov
3) =
=((1-0.4)/4)*((281.87415/9.81)/(1.733*1.785^3 ))
(3) Effective Damping Coefficient
This is not available for Vertical Mode.
(4) Geometrical Damping Ratio Table 4-3Dv = 0.425 / √Bv * αv
=0.425/√(0.438)*1.307 =
(5) Internal Damping Soil DataDvi (Consider the Internal Damping) =
1.307
66471.15
1.12
2.100
0.438
0.839
0.040
Machine Foundation DesignContractor Document No. 30-Apr-15
REV
A1STRUCTURE:
TECTON ENGINEERING & CONSTRUCTION LLC, ABU DHABI
DESIGNED CHECKED
PROJECT: EPC Works for Potable Water System & Sewage Treatment Plant at Zirku
ZADCO Document No.DATE
DOCUMENT:
(6) Total Damping RatioDvt = Dv + Dvi =
3.3 Frequency Check
(1) Natural FrequencyFnv = 60 / (2π)*√(Kv/m)
=(60/(2*3.14))*√(66471.146/(281.87415/9.81)) = rpm
(2) Resonance Frequency (rpm) Table 1-4Frv = Fnv*√[1-(2*Dvt
2)] = rpm
2*Dvt2 = rpm Condition :>11.55
Not Applicable
Resonance not possible!! No need to perform Vibration Analysis
0.879
459.531
(3) Frequency Ratio For Blower For Motorrv = fv / Fnv = = 6.528
Hence OK Hence OK SAES Q-007
cl 10.1
(4) Magnification FactorMv = 1 / √((1-rv
2)2+(2Dvt*rv)2) Table 1-4
=1/(√((1-6.529^2)^2+(2*0.88*6.529)^2)) =1/(√((1-6.529^2)^2+(2*0.88*6.529)^2)) Condition:<1.5
= = 0.023
Hence OK Hence OK
(5) Transmissibility Factor Table 1-4Tv = Mv * √(1+(2Dvt*rv)
2)
=0.024*√(1+(2*0.88*6.529)^2) =0.024*√(1+(2*0.88*6.529)^2)
= = 0.267
(6) Vibration Amplitude Table 1-4
For normal operating speed of 3000 For normal operating speed of 3000V = (Mv * Fv) / Kv
=(0.024*0)/66471.146 =(0.024*0)/66471.146
= m = 0E+00 m
V(rocking) = R * (FL/2)
=0.0000005 * 2/2 = m =0.0000000 * 2/2 = 0E+00 m
Total Vertical Amplitude Vtotal = 0+0.001+0+0
= m5.00E-07
6.528
5.00E-07
0.267
0.00E+00
0.023
Condition : 0.7 >r v > 1.3