HomeMy WebLinkAboutCDP 2020-0001; PATEL RESIDENCE; STRUCTURAL CALCULATIONS; 2020-09-14JOHN W. STARLIN, S.E.
STRUCTURAL ENGINEERING
197 WOODLAND PARKWAY, #410
SAN MARCOS, CA 92029 ~· J;--'. ,
STRUCTURAL
CALCULATIONS
NEW RESIDENCE
FOR MR. RAJ PATEL
SITE AND FOUNDATION RETAINING WALLS
5462 A and B CARLSBAD BOULEY ARD
CARLSBAD, CALIFORNIA 92008
AUGUST RE'41,e~~~
SE
LAND -,....
'.::. .\. ,_:, I, •
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Cantilevered Retaining Wall
DESCRIPTION: Driveway Entry Wall
I Criteria
Retained Height
Wall height above soil
Slope Behind Wall
Height of Soil over Toe
Water height over heel =
Vertical component of active
Lateral soil pressure options:
NOT USED for Soil Pressure.
9.00 ft
0.00 ft
0.00 : 1
6.00 in
0.0ft
NOT USED for Sliding Resistance.
NOT USED for Overturning Resistance.
I Design Summary
Wall Stability Ratios
Overturning 2.08 OK
Sliding Slab Resists All Sliding !0.84 OK
Total Bearing Load
.. .resultant ecc.
3,143 lbs
9.05 in
Soil Pressure@Toe = 1,042 psf OK
Soil Pressure@ Heel 101 psf OK
Allowable = 3,000 psf
Soil Pressure Less Than Allowable
ACI Factored@Toe 1,177 psf
ACI Factored@ Heel = 114 psf
Footing Shear@ Toe 19.6 psi OK
Footing Shear@ Heel 10.2 psi OK
Allowable = 75.0 psi
Sliding Cales Slab Resists All Sliding !
Lateral Sliding Force = 1,716.3 lbs
less 100% Passive Force = 187.5 lbs
less 100% Friction Force 1,250.0 lbs
Added Force Req'd 271.6 lbs NG
... .for 1.5 : 1 Stability = 1,129.7 lbs NG
Load Factors
Dead Load
Live Load
Earth, H
Wind, W
Seismic, E
1.200
1.600
1.600
1.600
1.000
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Project Descr:
Printed: 14 SEP 2020, 7:42AM
I:
Softwae~htENERCALC, INC.1983--2020, Build:12.20.5.1i •
I Soil Data
Allow Soil Bearing =
Equivalent Fluid Pressure Method
Heel Active Pressure =
Toe Active Pressure
Passive Pressure =
3,000.0 psf
35.0 psf/ft
30.0 psf/ft
300.0 psf/ft
Soil Density, Heel
Soil Density, Toe
= 110.00pcf
110.00 pcf
0.400 Friction Coeff btwn Ftg & Soil =
Soil height to ignore for passive pressure 12.00 in
I Stem Construction Top Stem
Stern OK Design Height Above Ftg ft = 6.00
Wall Material Above "Ht" Masonry
Thickness in = 8.00
Rebar Size # 5
Rebar Spacing in = 32.00
Rebar Placed at
Design Data
Edge
fb/FB + fa/Fa = 0.140
Total Force@ Section lbs= 157.5
Moment.. .. Actual ft-I = 157.5
Moment.. ... Allowable ft-I = 1,121.1
Shear ..... Actual psi = 2.5
Shear ..... Allowable psi = 38.7
Wall Weight psf = 84.0
Rebar Depth 'd' in= 5.25
Lap splice if above in= 30.00
Lap splice if below in = 30.00
Hook embed into footing in= 30.00
Masonry Data
fm psi= 1,500
Fye psi= 24,000
Solid Grouting Yes
Modular Ratio 'n' 21 .48
Short Term Factor 1.000
Equiv. Solid Thick. in = 7.60
Masonry Block Type 3
Masonry Design Method = ASD
Calculations per ACI 318-11 , ACI 530-11, IBC 2012,
CBC 2013, ASCE 7-10
2nd 3rd
Stern OK Stern OK
4.00 0.00
Masonry Masonry
8.00 12.00
# 5 # 6
16.00 16.00
Edge Edge
0.367 0.955
437.5 1,413 .8
729.2 4,251 .9
1,986.1 4,450.7
6.9 13.1
38.7 38.7
84.0 133.0
5.25 9.00
30.00 54.00
30.00 8.40
30.00 8.40
1,500 1,500
24,000 20,000
Yes Yes
Yes Yes
21.48 21.48
1.000 1.000
7.60 11.60
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Printed: 14 SEP 2020, 7:42AM
Cantilevered Retaining Wan So11w1n! ~ ENERCALC, INC. 1983-2020, Bllild:12.20.5.17
,.111•1:
DESCRIPTION: Driveway Entry Wall
I Footing Dimensions & Strengths
Toe Width
Heel Width
Total Footing Width
Footing Thickness
Key Width
Key Depth
Key Distance from Toe
fc = 2,500 psi
Footing Concrete Density
Min. As%
3.50ft
2.00
5.50
12.00 in
0.00 in
0.00 in
0.00 ft
Fy = 60,000 psi
150.00pcf
= 0.0018
I Footing Design Results
Il1t
Factored Pressure = 1,177
Mu': Upward 6,578
Mu': Downward = 1,730
Mu: Design 4,849
Actual 1-Way Shear 19.59
Allow 1-Way Shear = 75.00
Toe Reinforcing # 7@ 16.00 in
Heel Reinforcing = # 6@ 16.00 in
Key Reinforcing None Spec'd
Other Acceptable Sizes & Spacings
l::ltt!
114 psf
152 ft-lb
1,069 ft-lb
917 ft-lb
10.15 psi
75.00 psi
•
Cover@ Top 2.00 @ Btm.= 3.00 in Toe: #4@ 13.25 in, #5@20.50 in, #6@29.00 in, #7@39.25 in, #8@48.25 in, #9@4
Heel: Not req'd, Mu< S 'Fr
Key: No key defined
I Summary of Overturning & Resisting Forces & Moments
Item
Heel Active Pressure =
Surcharge over Heel
Toe Active Pressure
Surcharge Over Toe
Adjacent Footing Load =
Added Lateral Load =
Load @ Stem Above Soil
Total
Resisting/Overturning Ratio
..... OVERTURNING .....
Force Distance Moment
lbs ft ft-lb
1,750.0 3.33 5,833.3
-33.8 0.50 -16.9
1,716.3 0.T.M. = 5,816.5
Vertical Loads used for Soil Pressure =
2.08
3,142.8 lbs
Soil Over Heel =
Sloped Soil Over Heel
Surcharge Over Heel
Adjacent Footing Load
Axial Dead Load on Stem
• Axial Live Load on Stem
Soil Over Toe
Surcharge Over Toe
Stem Weight(s)
Earth@ Stem Transitions
Footing Weight
Key Weight
Vert. Component
=
=
=
=
=
..... RESISTING ..... Force Distance Moment
lbs ft ft-lb
990.0 5.00 4,950.0
192.5 1.75 336.9
952.0 3.93 3,738.0
183.3 4.33 794.4
825.0 2.75 2,268.8
Total= 3,142.8 lbs R.M. = 12,088.1
• Axial live load NOT included in total displayed1 or used for overturning resistance, but is included for soil pressure ca1culation.
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. CantHeveritd .Retaining Wall.
DESCRIPTION: Property Line Wall
I Criteria
Retained Height
Wall height above soil
Slope Behind Wall
Height of Soil over Toe
Water height over heel
Vertical component of active
Lateral soil pressure options:
NOT USED for Soil Pressure.
5.00 fl
0.50 fl
0.00 : 1
6.00 in
O.Ofl
NOT USED for Sliding Resistance.
NOT USED for Overturning Resistance.
I Design Summary
Wall Stability Ratios
Overturning 2.26 OK
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Printed: 14 SEP 2020, 10:13PM
1:
Software~ ENERCAI.C, INC. 1983-2020, Build:12.20.5.1i
I Soil Data
Allow Soil Bearing = 2,000.0 psf
Equivalent Fluid Pressure Method
Heel Active Pressure
Toe Active Pressure
Passive Pressure
Soil Density, Heel
Soil Density, Toe
Friction Coeff btwn Fig & Soil =
Soil height to ignore for passive pressure
I Stem Construction
35.0 psf/fl
30.0 psf/fl
300.0 psf/fl
110.00 pcf
110.00 pcf
0.400
12.00 in
Top Stem
Stem OK fl= 5.33
•
Calculations per ACI 318-11, ACI 530·11, IBC 2012,
CBC 2013, ASCE 7-10
2nd 3rd
Stem OK Stem OK
3.33 0.00
Sliding 1.11 Ratio < 1.5!
Design Height Above Ftg
Wall Material Above 'Ht'
Thickness
Masonry
in= 8.00
Masonry Masonry
8.00 8.00
Total Bearing Load ... resultant ecc. 1,179 lbs
6.13 in
Soil Pressure@ Toe 590 psf OK
Soil Pressure @ Heel 53 psf OK
Allowable = 2,000 psf
Soil Pressure Less Than Allowable
ACI Factored@ Toe 708 psf
ACI Factored@ Heel 63 psf
Footing Shear@ Toe 5.2 psi OK
Footing Shear@ Heel 0.0 psi OK
Allowable 75.0 psi
Sliding Cales (Vertical Component NOT Used)
Lateral Sliding Force 596.3 lbs
less 100% Passive Force 187.5 lbs
less 100% Friction Force 470.0 lbs
Added Force Req'd 0.0 lbs OK
.... for 1.5: 1 Stability = 235.1 lbs NG
Load Factors
Dead Load
Live Load
Earth, H
Wind, W
Seismic, E
1.200
1.600
1.600
1.600
1.000
Rebar Size
Rebar Spacing
Rebar Placed at
Design Data
fb/FB + fa/Fa
Total Force@ Section
Moment .... Actual
Moment. .... Allowable
Shear ..... Actual
Shear ..... Allowable
Wall Weight
Rebar Depth 'd'
Lap splice if above
Lap splice if below
Hook embed into footing
Masonry Data
fm
Fye
Solid Grouting
Modular Ratio 'n'
Short Term Factor
Equiv. Solid Thick.
Masonry Block Type
Masonry Design Method
=
in=
=
lbs=
fl-I=
fl-I=
psi=
psi=
psf =
in=
in=
in=
in=
psi =
psi =
in=
# 5 # 5 # 5
32.00 32.00 16.00
Edge Edge Edge
0.000 0.024 0.402
0.0 48.8 433.8
0.0 27.2 728.5
1,121 .1 1,121.1 1,812.8
0.0 0.8 6.9
38.7 38.7 38.7
84.0 84.0 84.0
5.25 5.25 5.25
30.00 30.00 30.00
30.00 30.00 7.00
30.00 30.00 7.00
1,500 1,500 1,500
24,000 24,000 20,000
Yes Yes Yes
Yes Yes
21.48 21.48 21.48
1.000 1.000 1.000
7.60 7.60 7.60
3
ASD
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Cantilevered Retaining Wall .... , ...
DESCRIPTION: Property Line Wall
I Footing Dimensions & Strengths
Toe Width 3.00 ft
Heel Width 0.67
Total Footing Width 3.67
Footing Thickness 12.00 in
Key Width 0.00 in
Key Depth = 0.00 in
Key Distance from Toe 0.00 ft
fc = 2,500cfisi Fy = 60,000 psi Footing Concrete ensity = 150.00pcf
Min. As % 0.0018
Cover@Top 2.00 @Btm.= 3.00 in
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Printed: 14 SEP 2020, 10:13PM
I :
Software copyright ENERCAI.C, !'NC. 1983-2020, Build:12.20.5.1i •
I Footing Design Results
~ !ill!
Factored Pressure 708 63 psf
Mu': Upward = 0 0 ft-lb
Mu' : Downward 0 12 fl-lb
Mu: Design = 1,166 12 ft-lb
Actual 1-Way Shear 5.19 0.02 psi
Allow 1-Way Shear 75.00 75.00 psi
Toe Reinforcing #7116.00 in Heel Reinforcing = # 6 16.00 in
Key Reinforcing None Spec'd
Other Acceptable Sizes & Spacings
Toe: Not req'd, Mu< S • Fr
Heel: Not req'd, Mu< S * Fr
Key: No key defined
I Summary of Overturning & Resisting Forces & Moments
..... OVERTURNING ..... .. ... RESISTING ..... Force Distance Moment Force Distance Moment
Item lbs ft ft-lb lbs ft ft-lb
Heel Active Pressure 630.0 2.00 1,260.0 Soil Over Heel = 1.8 3.67 6.7
Surcharge over Heel Sloped Soil Over Heel =
Toe Active Pressure = -33.8 0.50 -16.9 Surcharge Over Heel
Surcharge Over Toe = Adjacent Footing Load
Adjacent Footing Load = Axial Dead Load on Stem =
Added Lateral Load = • Axial Live Load on Stem =
Load @ Stem Above Soil Soil Over Toe 165.0 1.50 247.5
Surcharge Over Toe =
Stem Weight(s) 462.0 3.33 1,540.0
Earth @ Stem Transitions = Total = 596.3 O.T.M. = 1,243.1 Footing Weight 550.5 1.84 1,010.2
Resisting/Overturning Ratio 2.26 Key Weight
Vertical Loads used for Soil Pressure = 1,179.3 lbs Vert. Component
Total= 1,179.3 lbs R.M.= 2,804.4
• Axial live load NOT included in total displayedi or used for overturning resistance, but is included for soil pressure ca culation.
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Cantilevered'Retaining Wall
DESCRIPTION: Typical Basement Wall
I Criteria
Retained Height
Wall height above soil
Slope Behind Wall
Height of Soil over Toe =
Water height over heel
Vertical component of active
Lateral soil pressure options:
NOT USED for Soil Pressure.
8.50 ft
2.00 ft
0.00 : 1
6.25 in
0.0ft
NOT USED for Sliding Resistance.
NOT USED for Overturning Resistance.
I Surcharge Loads
Surcharge Over Heel = 0.0 psf
Used To Resist Sliding & Overturning
Surcharge Over Toe 0.0 psf
Used for Sliding & Overturning
I Axial Load Applied to Stem
Axial Dead Load
Axial Live Load
Axial Load Eccentricity
I Design Summary
360.0 lbs
0.0 lbs
0.0 in
Wall Stability Ratios
Overturning 2.93 OK
Sliding Slab Resists All Sliding !1.70 OK
Total Bearing Load
... resultant ecc.
4,142 lbs
3.69 in
Soil Pressure@ Toe = 903 psf OK
Soil Pressure @ Heel 4 78 psf OK
Allowable = 3,000 psf Soil Pressure Less Than Allowable
ACI Factored @ Toe 1,059 psf
ACI Factored@ Heel 561 psf
Footing Shear@ Toe 12.2 psi OK
Footing Shear@ Heel 7.5 psi OK
Allowable 75.0 psi
Sliding Cales Slab Resists All Sliding !
Lateral Sliding Force 1,688.7 lbs
less 100% Passive Force 1,218.8 lbs
less 100% Friction Force = 1,658.0 lbs
Added Force Req'd 0.0 lbs OK
.... for 1.5 : 1 Stability 0.0 lbs OK
Load Factors
Dead Load
Live Load
Earth, H
Wind, W
Seismic, E
1.200
1.600
1.600
1.600
1.000
Project Title:
Engineer:
Project ID:
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Printed: 14 SEP 2020, 8:19AM
I Soil Data
Allow Soil Bearing 3,000.0 psf
Calculations per ACI 318-11 , ACI 530-11 , IBC 2012,
CBC 2013, ASCE 7-10
Equivalent Fluid Pressure Method
Heel Active Pressure =
Toe Active Pressure
Passive Pressure
35.0 psf/ft
30.0 psf/ft
300.0 psf/ft
Soil Density, Heel
Soil Density, Toe
= 110.00 pct
110.00 pct
0.400 F riclion Coeff btwn Fig & Soil =
Soil height to ignore
for passive pressure = 12.00 in
I Lateral Load Applied to Stem
Lateral Load
... Height to Top
... Height to Bottom =
Wind on Exposed Stem =
I Stem Construction
Design Height Above Ftg
Wall Material Above 'Ht'
Thickness
Rebar Size
Rebar Spacing
Rebar Placed at
I Adjacent Footing Load
0.0 plf
0.00 ft
0.00 ft
0.0 psf
Top Stem
Stem OK
ft= 6.00
Masonry
in= 8.00
# 5
in= 32.00
= Edge
Adjacent Fooling Load
Footing Width
Eccentricity =
Wall to Ftg CL Dist =
Footing Type
Base Above/Below Soil
at Back of Wall
Poisson's Ratio
2nd 3rd
Stem OK Stem OK
3.00 0.00
Masonry Masonry
12.00 12.00
# 6 # 6
32.00 16.00
Edge Edge Design Data ------------
fb/FB + fa/Fa
Total Force@ Section
Moment.. .. Actual
Moment.. ... Allowable
Shear ..... Actual
Shear ..... Allowable
Wall Weight
Rebar Depth 'd'
Lap splice if above
Lap splice if below
Hook embed into fooling
Masonry Data
fm
Fye
Solid Grouting
Modular Ratio 'n'
Short Term Factor
Equiv. Solid Thick.
Masonry Block Type
Masonry Design Method
lbs=
ft-I=
ft-I=
psi=
psi=
psf =
in=
in=
in=
in=
psi=
psi=
in=
=
0.105
109.4
91 .1
1,121 .1
1.7
38.7
84.0
5.25
30.00
30.00
30.00
1,500
24,000
Yes
21.48
1.000
7.60
3
ASD
0.381 0.847
529.4 1,260.3
970.5 3,581 .7
2,746.8 4,450.7
4.9 11.7
38.7 38.7
133.0 133.0
9.00 9.00
36.00 54.00
36.00 8.40
36.00 8.40
1,500 1,500
24,000 20,000
Yes Yes
Yes Yes
21.48 21.48
1.000 1.000
11.60 11.60
0.0 lbs
0.00 ft
0.00 in
0.00 ft
Line Load
0.0ft
0.300
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Cantilevered Retaining ,Wall
DESCRIPTION: Typical Basement Wall
I Footing Dimensions & Strengths
Toe Width
Heel Width
Total Footing Width
Footing Thickness
Key Width
Key Depth
Key Distance from Toe
re = 2,500 psi Footing Concrete Density
Min.As%
Cover@Top 2.00
4.00 ft
2.Q0
6.00
18.00 in
= 0.00 in
12.00 in
= 0.00 ft
Fy = 60,000 psi 150.00pcf
= 0.0018
@ Btm.= 3.00 in
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I Footing Design Results
~
Factored Pressure 1,059
Mu' : Upward 8,504
Mu' : Downward 3,059
Mu: Des~n = 5,445
Actual 1-Way Shear 12.22
Allow 1-Way Shear 75.00
Toe Reinforcing # 7@ 16.00 in
Heel Reinforcing # 6 @ 16.00 in
Key Reinforcing None Spec'd
Other Acceptable Sizes & Spacings
Toe: Not req'd, Mu< S • Fr
Heel: Not req'd, Mu< S * Fr
!itt!
561 psf
0 ft-lb
1,088 ft-lb
1,088 ft-lb
7.48 psi
75.00 psi
Key: Slab Resists Sliding -No Force on Key
I Summary of Overturning & Resisting Forces & Moments
Item
Heel Active Pressure
Surcharge over Heel
Toe Active Pressure
Surcharge Over Toe
Adjacent Footing Load
Added Lateral Load
Load @ Stem Above Soil
Total
Resisting/Overturning Ratio
..... OVERTURNING ..... Force Distance Moment
lbs ft ft-lb
1,750.0 3.33 5,833.3
-61 .3 0.67 -41 .3
1,688.7 O.T.M. = 5,792.1
Vertical Loads used for Soil Pressure =
= 2.93
4,141 .8 lbs
Soil Over Heel
Sloped Soil Over Heel =
Surcharge Over Heel
Adjacent Footing Load
Axial Dead Load on Stem
• Axial Live Load on Stem
Soil Over Toe
Surcharge Over Toe =
Stem Weight(s)
Earth@Stem Transitions =
Footing Weight =
Key Weight
Vert. Component
Printed: 14 SEP 2020, 8:19AM
.. ... RESISTING ..... Force Distance Moment
lbs ft ft-lb
935.0 5.50 5,142.5
360.0 4.50 1,620.0
229.2 2.00 458.3
1,176.0 4.45 5,229.0
91.7 4.83 443.1
1,350.0 3.00 4,050.0
Total= 4,141 .8 lbs R.M. = 16,942.9
• Axial live load NOT included in total displayed1 or used for overturning resistance, but is included for soil pressure ca1culation.
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Cantilevered Retaining Wall
Project Title:
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Printed: 14 SEP 2020, 8:25AM
. . .
Softwwe copyright ENERCAI.C, INC. 1983-2020, 8uild:12.20,5.1i •
DESCRIPTION: Basement Wall w/ Bearing Walls Above
I Criteria
Retained Height
Wall height above soil
Slope Behind Wall
Height of Soil over Toe
Water height over heel
Vertical component of active
Lateral soil pressure options:
NOT USED for Soil Pressure.
10.00ft
0.00 ft
0.00 : 1
12.00 in
0.0 ft
NOT USED for Sliding Resistance.
NOT USED for Overturning Resistance.
I Design Summary
Wall Stability Ratios Overturning
Total Bearing Load ... resultant ecc.
2.06 OK
4,903 lbs
14.38 in
Soil Pressure @ Toe 1,281 psf OK
Soil Pressure @ Heel = 27 psf OK
Allowable = 3,000 psf Soil Pressure Less Than Allowable
ACI Factored@Toe = 1,483 psf
ACI Factored @ Heel 31 psf
Footing Shear@Toe 12.7 psi OK
Footing Shear@ Heel 7.7 psi OK
Allowable 75.0 psi
Sliding Cales Slab Resists All Sliding !
Lateral Sliding Force 2,955.8
Load Factors
Dead Load
Live Load
Earth, H
Wind, W
Seismic, E
1.200
1.600
1.600
1.600
1.000
I Soil Data
Allow Soil Bearing 3,000.0 psf
Equivalent Fluid Pressure Method
Heel Active Pressure =
Toe Active Pressure
Passive Pressure
Soil Density, Heel
Soil Density, Toe
Friction Coeff btwn Fig & Soil =
Soil height to ignore for passive pressure
45.0 psf/ft
30.0 psf/ft
389.0 psf/ft
110.00 pcf
110.00 pcf
0.400
12.00 in
I Stem Construction Top Stem
Stem OK
Design Height Above Ftg ft= 5.33
Wall Material Above 'Ht' = Masonry
Thickness in = 8.00
Rebar Size # 5
Rebar Spacing in = 32.00
Rebar Placed at
Calculations per ACI 318-11, ACI 530-11, IBC 2012,
CBC 2013, ASCE 7-10
2nd 3rd
Stem OK Stem OK 3.00 0.00
Masonry Concrete
12.00 12.00
# 7 # 7
32.00 16.00
Design Data ------------Edge Edge Edge
fb/FB + fa/Fa
Total Force@Section lbs=
Moment.. .. Actual ft-I =
Moment.. ... Allowable ft-I =
Shear ..... Actual psi=
Shear ..... Allowable psi =
Wall Weight psf =
Rebar Depth 'd' in=
Lap splice if above in=
Lap splice if below in =
Hook embed into footing in=
Masonry Data fm psi=
Fye psi =
Solid Grouting
0.681
490.7
763.9
1,121.1
7.8
38.7
84.0
5.25
30.00
30.00
1,500
Yes
Modular Ratio 'n' = 21.48
Short Term Factor
Equiv. Solid Thick.
Masonry Block Type
Masonry Design Method
= 1.000
in= 7.60
3
ASD
0.695
1,102.5
2,572.5
3,702.0
10.2
38.7
133.0
9.00
42.00
41 .16
1,500
24,000
Yes
21 .48
1.000
11 .60
Concrete Data -------------
fc
Fy
psi=
psi=
2,000.0
0.656
3,576.0
11,992.0
18,288.8
31 .2
75.0
150.0
9.56
41 .16
8.82
1,500
60,000
Yes
10.18
1.000
12.00
2,500.0
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Project Descr:
Printed: 14 SEP 2020, 8:25AM
I : Caotilevere<i Retaining Wall Softwa"e ~ ENERCALC, INC. 1983-2020, Build:12.20.5.1i •
DESCRIPTION: Basement Wall w/ Bearing Walls Above
I Footing Dimensions & Strengths I Footing Design Results
Toe Width
Heel Width
Total Footing Width
Footing Thickness
Key Width
Key Depth
Key Distance from Toe
fc = 2,500 psi
Footing Concrete Density
Min. As%
Cover@Top 2.00
5.50 ft
2.00
7.50
20.00 in
= 0.00 in
= 0.00 in
0.00 ft
Fy = 60,000 psi
150.00 pcf
0.0018
@ Btm.= 3.00 in
!Qi
Factored Pressure 1,483
Mu': Upward 17,063
Mu' : Downward = 6,534
Mu: Design = 10,529
Actual 1-Way Shear = 12.66
Allow 1-Way Shear 75.00
Toe Reinforcing = # 7@ 16.00 in
Heel Reinforcing = # 6@ 16.00 in
Key Reinforcing None Spec'd
Other Acceptable Sizes & Spacings
l:illl
31 psf
0 ft-lb
810 ft-lb
810ft-lb
7.71 psi
75.00 psi
Toe: #4@6.75 in, #5@ 10.50 in, #6@ 15.00 in, #7@20.25 in, #8@26.75 in, #9@33
Heel: Not req'd, Mu < S * Fr
Key: No key defined
I Summary of Overturning & Resisting Forces & Moments
Item
Heel Active Pressure
Surcharge over Heel
Toe Active Pressure
Surcharge Over Toe
Adjacent Footing Load
Added Lateral Load
Load @ Stem Above Soil
Total
Resisting/Overturning Ratio
..... OVERTURNING .....
Force Distance Moment
lbs ft ft-lb
3,062.5 3.89 11,909.7
-106.7 0.89 -94.8
2,955.8 0.T.M. = 11 ,814.9
Vertical Loads used for Soil Pressure =
= 2.06
4,903.4 lbs
Soil Over Heel =
Sloped Soil Over Heel =
Surcharge Over Heel
Adjacent Footing Load
Axial Dead Load on Stem
• Axial Live Load on Stem
Soil Over Toe =
Surcharge Over Toe
Stem Weight(s)
Earth @Stem Transitions
Footing Weight =
Key Weight
Vert. Component
.. ... RESISTING ..... Force Distance
lbs ft
1,100.0 7.00
605.0 2.75
1,152.2 5.94
171.2 6.33
1,875 .0 3.75
Moment
ft-lb
7,700.0
1,663.8
6,847.6
1,084.5
7,031.3
Total= 4,903.4 lbs R.M. = 24,327.1
• Axial live load NOT included in total displayed1 or used for overturning resistance, but is included for soil pressure ca1culation.