HomeMy WebLinkAboutCT 2018-0002; AVIARA APARTMENTS EAST; STRUCTURAL CALCULATIONS SITE WALL; 2022-10-21
VCA STRUCTURAL
1845 W. Orangewood Ave., Suite 200
Orange, CA 92868
STRUCTURAL
BUILDING DEPARTMENT SUBMITTAL
AVIARA APARTMENTS
Site Walls
CARLSBAD, CA
Structural Calculations
SUBMITTED TO:
City of Carlsbad, California
1st Submittal: June 24, 2022
2nd Submittal: August 24, 2022
3rd Submittal: October 21, 2022
Job No – 10-11209
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Code References
Calculations per IBC 2018 1807.3, CBC 2019, ASCE 7-16
11.00
4.00
0.00
12.00
2,667.0
45.0
0.0 250.0
Criteria Soil Data
Retained Height =ft
Wall height above soil =ft Active Heel Pressure =psf/ftSlope Behind Wall
Height of Soil over Toe in
Water height over heel =ft
=
=
110.00=pcf
=
Soil Density, Heel
=
Passive Pressure =psf/ft
Allow Soil Bearing =psf
Soil Density, Toe 110.00 pcf
Footing||Soil Friction =0.250
Soil height to ignorefor passive pressure =12.00 in
Equivalent Fluid Pressure Method
Surcharge Loads Adjacent Footing Load
Load Type
0.0 Lateral Load =0.0 #/ft
0.0
0.0
0.00.0
Axial Load Applied to Stem
Wall to Ftg CL Dist =0.00 ft
Wind on Exposed Stem psf0.0=
Lateral Load Applied to Stem
Surcharge Over Heel =psf Adjacent Footing Load =0.0 lbs
Axial Dead Load
(Service Level)
=lbs
Footing Type Spread Footing
Surcharge Over Toe psf Footing Width =0.00 ft...Height to Top =0.00 ft Eccentricity =0.00 in...Height to Bottom =0.00 ft
Used To Resist Sliding & Overturning
Used for Sliding & Overturning
==0.0 ft
Axial Live Load =
Base Above/Below Soil
lbs
=
Axial Load Eccentricity ==Poisson's Ratio 0.300
at Back of Wall
in (Strength Level)
Wind (W)=
Earth Pressure Seismic Load
Load at bottom of Triangular Distribution . . . . . . .=187.500
(Strength)
Total Strength-Level Seismic Load. . . . .=
820.313Total Service-Level Seismic Load. . . . .=
1,171.875 lbs
lbspsf
Method : Triangular
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Design Summary
Wall Stability RatiosOverturning =1.43
Global Stability =1.34
Ratio < 1.5!Sliding =1.58 OK
Total Bearing Load =8,341 lbs...resultant ecc.=9.25 in
Eccentricity within middle thirdSoil Pressure @ Toe =2,077 psf OKSoil Pressure @ Heel =268 psf OK
Allowable =2,667 psfSoil Pressure Less Than Allowable
ACI Factored @ Toe =2,907 psf
ACI Factored @ Heel =376 psf
Footing Shear @ Toe =27.1 psi OK
Footing Shear @ Heel =10.9 psi OK
Allowable =82.2 psi
Sliding Calcs
Lateral Sliding Force =4,335.9 lbs
less 100% Passive Forceless 100% Friction Force
Added Force Req'd
....for 1.5 Stability =
0.0=
2,085.14,757.8==
0.0
-lbslbs
lbs OK
lbs OK
-
Masonry Block Type =
Stem Construction 3rd 2nd
Stem OKStem OK
Bottom
Shear.....Actual
Design Height Above Ftg =11.50ft 5.00 0.00
Wall Material Above "Ht"=Fence Masonry Masonry
Thickness =8.00 14.00Rebar Size =##5 7
Rebar Spacing =16.00 8.00
Rebar Placed at =Edge EdgeDesign Data
fb/FB + fa/Fa =0.734 0.912
Total Force @ Section
=1,080.0lbs 3,630.0
Moment....Actual
=2,160.0 13,310.0ft-#
Moment.....Allowable =2,939.8 14,580.5ft-#
=11.8 22.2psi
Shear.....Allowable =53.5 47.3
Wall Weight =84.0psf 155.0
Rebar Depth 'd'=in 5.25 11.00
Masonry Data
f'm =2,000psi 1,500Fs=psi 32,000 32,000Solid Grouting =Yes Yes
Modular Ratio 'n'=16.11 21.48
Equiv. Solid Thick.=7.63 13.63
Concrete Dataf'c =psi
Fy =
Masonry Design Method ASD=
Load FactorsBuilding Code
Dead Load 1.200
Live Load 1.600
Earth, H 1.600
Wind, W 1.600
Seismic, E 1.000 psi
Service Level
=lbsStrength Level
Service Level
Strength Level =ft-#
Service Level
Strength Level =psi
Design Method =ASD SDASD
Vertical component of active lateral soil pressure IS
considered in the calculation of soil bearing pressures.
Anet (Masonry)=91.50 163.50in2
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
2.42
3.58
18.00
Footing Torsion, Tu =
=
ft-lbs0.00
Min. As %
Footing Allow. Torsion, phi Tu
0.0018
=ft-lbs
Footing Data
If torsion exceeds allowable, provide
f'c
0.00
=3,000psi
Toe Width =ft
Heel Width =
Key Distance from Toe
Key Depth
Key Width =in
=in
=
18.00
45.00
2.33 ft
Footing Thickness =in
6.00=
Cover @ Top =2.00 in@ Btm.=3.00 in
Total Footing Width
=150.00 pcfFooting Concrete DensityFy =60,000 psi
Footing Design Results
Key:
=
#4@ 6.27 in, #5@ 9.72 in, #6@ 13.8 in, #7@ 18
Factored PressureMu' : UpwardMu' : DownwardMu: Design
Actual 1-Way Shear
Allow 1-Way Shear
Toe:#4@ 6.17 in, #5@ 9.56 in, #6@ 13.58 in, #7@ 18.51 in, #8@ 24.38 in, #9@
30.86 in, #10@ 39.19 in
#4@ 6.17 in, #5@ 9.56 in, #6@ 13.58 in, #7@ 18.51 in, #8@ 24.38 in, #9@
30.86 in, #10@ 39.19 in
=# 6 @ 12.00 in
==
=
=
=
2,9077,4971,4576,040
27.10
82.16
Heel:
3762,0896,2424,153
10.87
82.16
HeelToe
psfft-#ft-#ft-#
psi
psi
Heel Reinforcing =# 6 @ 12.00 in
Other Acceptable Sizes & Spacings
Key Reinforcing
Toe Reinforcing =# 6 @ 12.00 in
Min footing T&S reinf Area
Min footing T&S reinf Area per foot
If one layer of horizontal bars:
2.33
0.39
#4@ 6.17 in
#5@ 9.57 in
#6@ 13.58 in
in2
in2 /ft
If two layers of horizontal bars:
#4@ 12.35 in
#5@ 19.14 in
#6@ 27.16 in
supplemental design for footing torsion.
phiMn 30,08328,103=ft-#
OKOK
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Summary of Overturning & Resisting Forces & Moments
.....RESISTING..........OVERTURNING.....Force Distance Moment Distance Moment
Item
Force
ft-#lbs ftft ft-#lbs
Sloped Soil Over Heel
=Surcharge over Heel
=
Surcharge Over Heel
=
=
Adjacent Footing Load
=Adjacent Footing Load
Axial Dead Load on Stem =
=* Axial Live Load on Stem
Soil Over Toe
Surcharge Over Toe
Surcharge Over Toe
Load @ Stem Above Soil
=820.3
=
=
265.8 1.21 321.2=
=
=Seismic Earth Load
=
4.17 3,418.0 Stem Weight(s)
=
1,321.0 2.90 3,826.5
Earth @ Stem Transitions
=
330.0 3.33 1,100.0
Footing Weight
=
1,350.0 3.00 4,050.0
Key Weight
=
843.8 3.08 2,601.6
Added Lateral Load
lbs
=18,066.4
Vert. Component
Total
=
7,034.8 25,910.9
* Axial live load NOT included in total displayed, or used for overturningresistance, but is included for soil pressure calculation.
Total =R.M.
=4,335.9 O.T.M.
=
Resisting/Overturning Ratio =1.43
Vertical Loads used for Soil Pressure =8,340.5 lbs
If seismic is included, the OTM and sliding ratiosmay be 1.1 per section 1807.2.3 of IBC.
Vertical component of active lateral soil pressure IS considered in the
calculation of Sliding Resistance.
Vertical component of active lateral soil pressure IS NOT considered in
the calculation of Overturning Resistance.
Soil Over HL (ab. water tbl)
Soil Over HL (bel. water tbl)
2,924.2 4.79
4.79
14,011.6
14,011.6
Watre Table
Buoyant Force =
HL Act Pres (ab water tbl)
HL Act Pres (be water tbl)
3,515.6 4.17 14,648.4
Hydrostatic Force
Tilt
Horizontal Deflection at Top of Wall due to settlement of soil
(Deflection due to wall bending not considered)
Soil Spring Reaction Modulus 250.0 pci
Horizontal Defl @ Top of Wall (approximate only)0.144 in
The above calculation is not valid if the heel soil bearing pressure exceeds that of the toe,
because the wall would then tend to rotate into the retained soil.
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Rebar Lap & Embedment Lengths Information
Stem Design Segment: 2nd
Stem Design Height: 5.00 ft above top of footing
Calculated Rebar Stress, fs = 23511.50 psi
Lap Splice length for #5 bar specified in this stem design segment =29.39 in
Development length for #5 bar specified in this stem design segment =29.39 in
________________________________________________________________________________________________________________________
Stem Design Segment: Bottom
Stem Design Height: 0.00 ft above top of footing
Calculated Rebar Stress, fs = 18717.85 psi
Lap Splice length for #7 bar specified in this stem design segment =35.00 in
Development length for #7 bar specified in this stem design segment =32.76 in
Hooked embedment length into footing for #7 bar specified in this stem design segment =13.42 in
As Provided =0.9000 in2/ft
As Required =0.5169 in2/ft
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
1 '-0"
Fence
8" w/#5@ 16"
Solid Grout
14" w/#7@ 8"
Solid Grout
~------
#6@12in @Toe
#6ca>12in @ C'enter On K y
#6@12"
@Heel
3'-6" 4'-0"
Clear CO@e6~ .0625'
15'-0"
11'-0"
3"
3'-9"
2'-4" 1 '-6" 2'-2"
2'-5" 3'-7"
6'-0"
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section G-G
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Pp= 4757.81#
"' 0. M <O <D l'--0 N
-"' 0. O> "! (X) <O N
3516# 820#
■ Lateral earth pressure due to the soil BELOW water table
■ Seismic lateral earth pressure
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Code References
Calculations per IBC 2018 1807.3, CBC 2019, ASCE 7-16
10.00
4.00
0.00
12.00
2,667.0
45.0
0.0 250.0
Criteria Soil Data
Retained Height =ft
Wall height above soil =ft Active Heel Pressure =psf/ftSlope Behind Wall
Height of Soil over Toe in
Water height over heel =ft
=
=
110.00=pcf
=
Soil Density, Heel
=
Passive Pressure =psf/ft
Allow Soil Bearing =psf
Soil Density, Toe 110.00 pcf
Footing||Soil Friction =0.250
Soil height to ignorefor passive pressure =12.00 in
Equivalent Fluid Pressure Method
Surcharge Loads Adjacent Footing Load
Load Type
75.0 Lateral Load =0.0 #/ft
0.0
0.0
0.00.0
Axial Load Applied to Stem
Wall to Ftg CL Dist =0.00 ft
Wind on Exposed Stem psf0.0=
Lateral Load Applied to Stem
Surcharge Over Heel =psf Adjacent Footing Load =0.0 lbs
Axial Dead Load
(Service Level)
=lbs
Footing Type Spread Footing
Surcharge Over Toe psf Footing Width =0.00 ft...Height to Top =0.00 ft Eccentricity =0.00 in...Height to Bottom =0.00 ft
Used To Resist Sliding & Overturning
Used for Sliding & Overturning
==0.0 ft
Axial Live Load =
Base Above/Below Soil
lbs
=
Axial Load Eccentricity ==Poisson's Ratio 0.300
at Back of Wall
in (Strength Level)
Wind (W)=
Earth Pressure Seismic Load
Load at bottom of Triangular Distribution . . . . . . .=172.500
(Strength)
Total Strength-Level Seismic Load. . . . .=
694.313Total Service-Level Seismic Load. . . . .=
991.875 lbs
lbspsf
Method : Triangular
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Design Summary
Wall Stability RatiosOverturning =1.96
Global Stability =1.45
OKSliding=1.58 OK
Total Bearing Load =7,860 lbs...resultant ecc.=8.55 in
Eccentricity within middle thirdSoil Pressure @ Toe =1,928 psf OKSoil Pressure @ Heel =324 psf OK
Allowable =2,667 psfSoil Pressure Less Than Allowable
ACI Factored @ Toe =2,699 psf
ACI Factored @ Heel =453 psf
Footing Shear @ Toe =25.0 psi OK
Footing Shear @ Heel =20.0 psi OK
Allowable =82.2 psi
Sliding Calcs
Lateral Sliding Force =4,022.8 lbs
less 100% Passive Forceless 100% Friction Force
Added Force Req'd
....for 1.5 Stability =
0.0=
1,965.04,375.0==
0.0
-lbslbs
lbs OK
lbs OK
-
Masonry Block Type =
Stem Construction 3rd 2nd
Stem OKStem OK
Bottom
Shear.....Actual
Design Height Above Ftg =10.50ft 5.00 0.00
Wall Material Above "Ht"=Fence Masonry Masonry
Thickness =8.00 14.00Rebar Size =##5 6
Rebar Spacing =24.00 8.00
Rebar Placed at =Edge EdgeDesign Data
fb/FB + fa/Fa =0.819 0.874
Total Force @ Section
=903.4lbs 3,306.8
Moment....Actual
=1,633.5 11,534.1ft-#
Moment.....Allowable =1,993.0 13,195.7ft-#
=9.9 20.2psi
Shear.....Allowable =53.0 47.0
Wall Weight =84.0psf 155.0
Rebar Depth 'd'=in 5.25 11.00
Masonry Data
f'm =2,000psi 1,500Fs=psi 32,000 32,000Solid Grouting =Yes Yes
Modular Ratio 'n'=16.11 21.48
Equiv. Solid Thick.=7.63 13.63
Concrete Dataf'c =psi
Fy =
Masonry Design Method ASD=
Load FactorsBuilding Code
Dead Load 1.200
Live Load 1.600
Earth, H 1.600
Wind, W 1.600
Seismic, E 1.000 psi
Service Level
=lbsStrength Level
Service Level
Strength Level =ft-#
Service Level
Strength Level =psi
Design Method =ASD SDASD
Vertical component of active lateral soil pressure IS
considered in the calculation of soil bearing pressures.
Anet (Masonry)=91.50 163.50in2
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
2.42
3.58
18.00
Footing Torsion, Tu =
=
ft-lbs0.00
Min. As %
Footing Allow. Torsion, phi Tu
0.0018
=ft-lbs
Footing Data
If torsion exceeds allowable, provide
f'c
0.00
=3,000psi
Toe Width =ft
Heel Width =
Key Distance from Toe
Key Depth
Key Width =in
=in
=
18.00
42.00
2.33 ft
Footing Thickness =in
6.00=
Cover @ Top =2.00 in@ Btm.=3.00 in
Total Footing Width
=150.00 pcfFooting Concrete DensityFy =60,000 psi
Footing Design Results
Key:
=
#4@ 6.66 in, #5@ 10.33 in, #6@ 14.66 in, #7@
Factored PressureMu' : UpwardMu' : DownwardMu: Design
Actual 1-Way Shear
Allow 1-Way Shear
Toe:#4@ 6.17 in, #5@ 9.56 in, #6@ 13.58 in, #7@ 18.51 in, #8@ 24.38 in, #9@
30.86 in, #10@ 39.19 in
#4@ 6.17 in, #5@ 9.56 in, #6@ 13.58 in, #7@ 18.51 in, #8@ 24.38 in, #9@
30.86 in, #10@ 39.19 in
=# 6 @ 12.00 in
==
=
=
=
2,6997,0011,4575,544
25.01
82.16
Heel:
4532,20410,4728,268
19.96
82.16
HeelToe
psfft-#ft-#ft-#
psi
psi
Heel Reinforcing =# 6 @ 12.00 in
Other Acceptable Sizes & Spacings
Key Reinforcing
Toe Reinforcing =# 6 @ 12.00 in
Min footing T&S reinf Area
Min footing T&S reinf Area per foot
If one layer of horizontal bars:
2.33
0.39
#4@ 6.17 in
#5@ 9.57 in
#6@ 13.58 in
in2
in2 /ft
If two layers of horizontal bars:
#4@ 12.35 in
#5@ 19.14 in
#6@ 27.16 in
supplemental design for footing torsion.
phiMn 30,08328,103=ft-#
OKOK
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Summary of Overturning & Resisting Forces & Moments
.....RESISTING..........OVERTURNING.....Force Distance Moment Distance Moment
Item
Force
ft-#lbs ftft ft-#lbs
Sloped Soil Over Heel
2,028.85.75352.8=Surcharge over Heel
=
Surcharge Over Heel
=
181.3 4.79 868.5=
Adjacent Footing Load
=Adjacent Footing Load
Axial Dead Load on Stem =
=* Axial Live Load on Stem
Soil Over Toe
Surcharge Over Toe
Surcharge Over Toe
Load @ Stem Above Soil
=694.3
=
=
265.8 1.21 321.2=
=
=Seismic Earth Load
=
3.83 2,661.5 Stem Weight(s)
=
1,237.0 2.91 3,595.5
Earth @ Stem Transitions
=
275.0 3.33 916.7
Footing Weight
=
1,350.0 3.00 4,050.0
Key Weight
=
787.5 3.08 2,428.1
Added Lateral Load
lbs
=16,096.9
Vert. Component 1,105.2 6.00 6,631.3
Total
=
7,860.1 31,549.2
* Axial live load NOT included in total displayed, or used for overturningresistance, but is included for soil pressure calculation.
Total =R.M.
=4,022.8 O.T.M.
=
Resisting/Overturning Ratio =1.96
Vertical Loads used for Soil Pressure =7,860.1 lbs
If seismic is included, the OTM and sliding ratiosmay be 1.1 per section 1807.2.3 of IBC.
Vertical component of active lateral soil pressure IS considered in the
calculation of Sliding Resistance.
Vertical component of active lateral soil pressure IS considered in the
calculation of Overturning Resistance.
Soil Over HL (ab. water tbl)
Soil Over HL (bel. water tbl)
2,658.3 4.79
4.79
12,737.8
12,737.8
Watre Table
Buoyant Force =
HL Act Pres (ab water tbl)
HL Act Pres (be water tbl)
2,975.6 3.83 11,406.6
Hydrostatic Force
Tilt
Horizontal Deflection at Top of Wall due to settlement of soil
(Deflection due to wall bending not considered)
Soil Spring Reaction Modulus 250.0 pci
Horizontal Defl @ Top of Wall (approximate only)0.125 in
The above calculation is not valid if the heel soil bearing pressure exceeds that of the toe,
because the wall would then tend to rotate into the retained soil.
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Rebar Lap & Embedment Lengths Information
Stem Design Segment: 2nd
Stem Design Height: 5.00 ft above top of footing
Calculated Rebar Stress, fs = 26228.15 psi
Lap Splice length for #5 bar specified in this stem design segment =49.18 in
Development length for #5 bar specified in this stem design segment =49.18 in
________________________________________________________________________________________________________________________
Stem Design Segment: Bottom
Stem Design Height: 0.00 ft above top of footing
Calculated Rebar Stress, fs = 21733.12 psi
Lap Splice length for #6 bar specified in this stem design segment =32.60 in
Development length for #6 bar specified in this stem design segment =32.60 in
Hooked embedment length into footing for #6 bar specified in this stem design segment =11.50 in
As Provided =0.6600 in2/ft
As Required =0.4464 in2/ft
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
1'-0"
Fence
8" w/#5@24"
Solid Grout
14" w/#6@ 8"
Solid Grout
-------
#6@12in @Toe
#6@12in @ Center On Ke
#6@12"
@Heel
3'-6" 4'-0"
Clear Cm&~6' .0625"
14'-0"
10'-0"
3"
3'-6"
2'-4" 1 '-6" 2'-2"
2'-5" 3'-7"
6'-0"
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section H-H
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
75.00psf
[I]
3328# 694#
Pp= 4375.00#
■ Lateral earth pressure due to the soil BELOW water table
■ Seismic lateral earth pressure
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Code References
Calculations per IBC 2018 1807.3, CBC 2019, ASCE 7-16
9.00
4.00
0.00
12.00
2,667.0
45.0
0.0 250.0
Criteria Soil Data
Retained Height =ft
Wall height above soil =ft Active Heel Pressure =psf/ftSlope Behind Wall
Height of Soil over Toe in
Water height over heel =ft
=
=
110.00=pcf
=
Soil Density, Heel
=
Passive Pressure =psf/ft
Allow Soil Bearing =psf
Soil Density, Toe 110.00 pcf
Footing||Soil Friction =0.250
Soil height to ignorefor passive pressure =12.00 in
Equivalent Fluid Pressure Method
Surcharge Loads Adjacent Footing Load
Load Type
75.0 Lateral Load =0.0 #/ft
0.0
0.0
0.00.0
Axial Load Applied to Stem
Wall to Ftg CL Dist =0.00 ft
Wind on Exposed Stem psf0.0=
Lateral Load Applied to Stem
Surcharge Over Heel =psf Adjacent Footing Load =0.0 lbs
Axial Dead Load
(Service Level)
=lbs
Footing Type Spread Footing
Surcharge Over Toe psf Footing Width =0.00 ft...Height to Top =0.00 ft Eccentricity =0.00 in...Height to Bottom =0.00 ft
Used To Resist Sliding & Overturning
Used for Sliding & Overturning
==0.0 ft
Axial Live Load =
Base Above/Below Soil
lbs
=
Axial Load Eccentricity ==Poisson's Ratio 0.300
at Back of Wall
in (Strength Level)
Wind (W)=
Earth Pressure Seismic Load
Load at bottom of Triangular Distribution . . . . . . .=157.500
(Strength)
Total Strength-Level Seismic Load. . . . .=
578.813Total Service-Level Seismic Load. . . . .=
826.875 lbs
lbspsf
Method : Triangular
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Design Summary
Wall Stability RatiosOverturning =1.42
Global Stability =1.13
Ratio < 1.5!Sliding =1.55 OK
Total Bearing Load =4,885 lbs...resultant ecc.=14.19 in
Eccentricity outside middle thirdSoil Pressure @ Toe =2,005 psf OKSoil Pressure @ Heel =0 psf OK
Allowable =2,667 psfSoil Pressure Less Than Allowable
ACI Factored @ Toe =2,807 psf
ACI Factored @ Heel =0 psf
Footing Shear @ Toe =22.5 psi OK
Footing Shear @ Heel =12.2 psi OK
Allowable =82.2 psi
Sliding Calcs
Lateral Sliding Force =3,381.6 lbs
less 100% Passive Forceless 100% Friction Force
Added Force Req'd
....for 1.5 Stability =
0.0=
1,221.24,007.8==
0.0
-lbslbs
lbs OK
lbs OK
-
Masonry Block Type =
Stem Construction 3rd 2nd
Stem OKStem OK
Bottom
Shear.....Actual
Design Height Above Ftg =9.50ft 5.00 0.00
Wall Material Above "Ht"=Fence Masonry Masonry
Thickness =8.00 12.00Rebar Size =##4 6
Rebar Spacing =24.00 8.00
Rebar Placed at =Edge EdgeDesign Data
fb/FB + fa/Fa =0.678 0.904
Total Force @ Section
=602.7lbs 2,706.1
Moment....Actual
=885.5 8,532.6ft-#
Moment.....Allowable =1,305.7 9,430.3ft-#
=6.6 19.4psi
Shear.....Allowable =52.5 46.8
Wall Weight =84.0psf 133.0
Rebar Depth 'd'=in 5.25 9.00
Masonry Data
f'm =2,000psi 1,500Fs=psi 32,000 32,000Solid Grouting =Yes Yes
Modular Ratio 'n'=16.11 21.48
Equiv. Solid Thick.=7.63 11.63
Concrete Dataf'c =psi
Fy =
Masonry Design Method ASD=
Load FactorsBuilding Code
Dead Load 1.200
Live Load 1.600
Earth, H 1.600
Wind, W 1.600
Seismic, E 1.000 psi
Service Level
=lbsStrength Level
Service Level
Strength Level =ft-#
Service Level
Strength Level =psi
Design Method =ASD SDASD
Vertical component of active lateral soil pressure IS
considered in the calculation of soil bearing pressures.
Anet (Masonry)=91.50 139.50in2
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
3.50
1.50
18.00
Footing Torsion, Tu =
=
ft-lbs0.00
Min. As %
Footing Allow. Torsion, phi Tu
0.0018
=ft-lbs
Footing Data
If torsion exceeds allowable, provide
f'c
0.00
=3,000psi
Toe Width =ft
Heel Width =
Key Distance from Toe
Key Depth
Key Width =in
=in
=
18.00
39.00
2.33 ft
Footing Thickness =in
5.00=
Cover @ Top =2.00 in@ Btm.=3.00 in
Total Footing Width
=150.00 pcfFooting Concrete DensityFy =60,000 psi
Footing Design Results
Key:
=
#4@ 6.66 in, #5@ 10.33 in, #6@ 14.66 in, #7@
Factored PressureMu' : UpwardMu' : DownwardMu: Design
Actual 1-Way Shear
Allow 1-Way Shear
Toe:#4@ 6.17 in, #5@ 9.56 in, #6@ 13.58 in, #7@ 18.51 in, #8@ 24.38 in, #9@
30.86 in, #10@ 39.19 in
#4@ 6.17 in, #5@ 9.56 in, #6@ 13.58 in, #7@ 18.51 in, #8@ 24.38 in, #9@
30.86 in, #10@ 39.19 in
=# 6 @ 12.00 in
==
=
=
=
2,80712,1202,8149,306
22.50
82.16
Heel:
001,1321,132
12.17
82.16
HeelToe
psfft-#ft-#ft-#
psi
psi
Heel Reinforcing =# 6 @ 12.00 in
Other Acceptable Sizes & Spacings
Key Reinforcing
Toe Reinforcing =# 6 @ 12.00 in
Min footing T&S reinf Area
Min footing T&S reinf Area per foot
If one layer of horizontal bars:
1.94
0.39
#4@ 6.17 in
#5@ 9.57 in
#6@ 13.58 in
in2
in2 /ft
If two layers of horizontal bars:
#4@ 12.35 in
#5@ 19.14 in
#6@ 27.16 in
supplemental design for footing torsion.
phiMn 30,08328,103=ft-#
OKOK
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Summary of Overturning & Resisting Forces & Moments
.....RESISTING..........OVERTURNING.....Force Distance Moment Distance Moment
Item
Force
ft-#lbs ftft ft-#lbs
Sloped Soil Over Heel
1,691.35.25322.2=Surcharge over Heel
=
Surcharge Over Heel
=
37.5 4.75 178.1=
Adjacent Footing Load
=Adjacent Footing Load
Axial Dead Load on Stem =
=* Axial Live Load on Stem
Soil Over Toe
Surcharge Over Toe
Surcharge Over Toe
Load @ Stem Above Soil
=578.8
=
=
385.0 1.75 673.8=
=
=Seismic Earth Load
=
3.50 2,025.8 Stem Weight(s)
=
1,043.0 3.94 4,109.0
Earth @ Stem Transitions
=
146.7 4.33 635.6
Footing Weight
=
1,125.0 2.50 2,812.5
Key Weight
=
731.3 3.08 2,254.7
Added Lateral Load
lbs
=12,399.4
Vert. Component 921.4 5.00 4,606.8
Total
=
4,884.8 17,621.7
* Axial live load NOT included in total displayed, or used for overturningresistance, but is included for soil pressure calculation.
Total =R.M.
=3,381.6 O.T.M.
=
Resisting/Overturning Ratio =1.42
Vertical Loads used for Soil Pressure =4,884.8 lbs
If seismic is included, the OTM and sliding ratiosmay be 1.1 per section 1807.2.3 of IBC.
Vertical component of active lateral soil pressure IS considered in the
calculation of Sliding Resistance.
Vertical component of active lateral soil pressure IS considered in the
calculation of Overturning Resistance.
Soil Over HL (ab. water tbl)
Soil Over HL (bel. water tbl)
495.0 4.75
4.75
2,351.3
2,351.3
Watre Table
Buoyant Force =
HL Act Pres (ab water tbl)
HL Act Pres (be water tbl)
2,480.6 3.50 8,682.2
Hydrostatic Force
Tilt
Horizontal Deflection at Top of Wall due to settlement of soil
(Deflection due to wall bending not considered)
Soil Spring Reaction Modulus 250.0 pci
Horizontal Defl @ Top of Wall (approximate only)0.145 in
The above calculation is not valid if the heel soil bearing pressure exceeds that of the toe,
because the wall would then tend to rotate into the retained soil.
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Rebar Lap & Embedment Lengths Information
Stem Design Segment: 2nd
Stem Design Height: 5.00 ft above top of footing
Calculated Rebar Stress, fs = 21700.29 psi
Lap Splice length for #4 bar specified in this stem design segment =21.70 in
Development length for #4 bar specified in this stem design segment =21.70 in
________________________________________________________________________________________________________________________
Stem Design Segment: Bottom
Stem Design Height: 0.00 ft above top of footing
Calculated Rebar Stress, fs = 19871.74 psi
Lap Splice length for #6 bar specified in this stem design segment =30.00 in
Development length for #6 bar specified in this stem design segment =29.81 in
Hooked embedment length into footing for #6 bar specified in this stem design segment =11.50 in
As Provided =0.6600 in2/ft
As Required =0.4045 in2/ft
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
1 '-0"
Fence
8" w/#4@24"
Solid Grout
12" w/#6@ 8"
Solid Grout
~-------
#6@12in @Toe
#6@12in @ Center On Ke
#6@12"
@Heel
3'-6" 4'-0"
5"
13'-0"
9'-0"
3"
3'-3"
2'-4" 1 '-6' '-2"
3'-6" 1'-6"
5'-0"
Cantilevered Retaining Wall
LIC# : KW-06017322, Build:20.22.8.17 VCA CONSULTANTS, INC (c) ENERCALC INC 1983-2022
DESCRIPTION:Section I-I
Project File: Aviara Site Walls.ec6
Project Title:Aviara ApartmentsEngineer:Sean Fallesen, S.E.Project ID:10-11209Project Descr:
Pp= 4007.81#
'1n a. (")
(")
l()
0 0 N
75.00psf
IT]
2803# 579#
■ Lateral earth pressure due to the soil BELOW water table
■ Seismic lateral earth pressure