Precast Fence.pdf
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This document is a Sources Sought announcement/market survey from the Department of the Air Force Materiel Command Air Force Sustainment Center regarding a potential future requirement to relocate and reinstall a flightline fence at Randolph Air Force Base in Texas.
The key details are:
- The project would involve removing the existing fence, repairing any damage, repairing asphalt and curbing, painting vehicle parking lines, and installing a new vehicle gate and two personnel gates.
- The government is conducting market research to identify qualified firms, including small businesses, to potentially perform these services under a future firm-fixed-price contract.
- The relevant NAICS code is 238990 (All Other Specialty Trade Contractors) with a $19M size standard.
- Interested parties are requested to provide information about their company, size status, registration status, and any feedback on the NAICS code selection by August 12, 2024 at 4:00pm MDT.
- No solicitation or award will result directly from this announcement, but the information gathered will influence the acquisition strategy.
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| 12506 - T-38 Flight Line Fence Move SOW.docx | DOCX document |
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Text version
TOP SECTION
SIDE SECTION
120"
8"
8"
8"
2" 2"
2"
2"
40"
40"
SI Precast
MARC III
Customer:
File:
Drawn By: JDO
Scale: NTS Sheet: 1 Date: 05/11/2023
Marc III.dwg
Notes:
1. Weight for posts is 662 pounds
2. 4,000 PSI concrete
3. Light broom finish on exposed surfaces
4. Dimensional tolerance 1/8"
3/20/24, 7:09 AM about:blank about:blank 1/1 kurtis Highlight kurtis Highlight
9/18/2023
MIX DESIGN # : K33000
CONTRACTOR:
SSD WEIGHT(lbs.)
423 2.15 ASTM C150
1800 11.18 ASTM C33
85% 1303 8.10 ASTM C33
15% 234 1.43 ASTM C33
233 28.0 GALS. 3.74
1.5% +/- 1.5% 0.41
TOTAL 27.00
C494 TYPE A 3.0 OZ/CWT 12.7
C494 TYPE D 3.0 OZ/CWT 12.7
WATER/CEMENT RATIO 0.55
SLUMP 4.00 +/- 1.0 IN.
CONCRETE UNIT WEIGHT 147.9 LBS./CU. FT.
DESCRIPTION:
YIELD(Cu.Ft.)
BATCH WEIGHTS PER CUBIC YARD
FRED CLARK ELECTRICAL
PROJECT:
DUCT BANKS
RANDOLPH AFB
CONCRETE MIX DESIGN
3000 PSI 1" AGG. STRAIGHT CEMENT
INGRAM READYMIX, INC.
3580 FM 482
NEW BRAUNFELS, TX. 78132
830-625-9156
USE:
PLACEMENT METHOD: PUMP OR DIRECT DISCHARGE
SUMMER MIX K33000S
ADMIXTURES (OZ/CU. YD.)
ZYLA 610 WINTER MIX K33000W
CONCRETE PROPERTIES
ZYLA 614R
AIR CONTENT
MATERIAL
STC TYPE I/II CEMENT
3/8" PEA GRAVEL
LIMESTONE SAND
SILICA SAND
WATER
Concrete Mix Historical Test Results
Mix No. :
Strength: 3000 PSI
Sample Sample Slump 7 Day Avg 28 Day Avg
# Date in. psi psi
1 4/4/23 4.50 3060 4420
2 4/4/23 5.00 2925 4307 Number of Tests 30
3 4/4/23 4.50 2760 3667
4 4/4/23 5.00 2960 3640 Average 28 Day 4595 PSI
5 4/4/23 5.00 3480 4623
6 4/4/23 5.50 3640 4213 Standard Deviation 528.9 PSI
7 3/16/23 7.00 3810 5160
8 3/16/23 5.00 3565 5290
9 3/16/23 6.00 4000 5117
10 3/10/23 3.50 4505 5283
11 3/10/23 4.50 4255 4713 ACI 318 STRENGTH CRITERIA
12 3/10/23 5.00 4065 5197
13 3/6/23 6.50 3190 4253 Fcr = Fc' + 1.34S Fcr = 3709 PSI
14 2/24/23 5.50 3995 4600
15 2/24/23 5.50 3910 4353 Fcr = Fc' - 500 +2.33S Fcr = 3732 PSI
16 2/24/23 7.00 3740 4277
17 2/24/23 7.00 3390 4007
18 2/24/23 7.25 3595 4617 Average Strength exceeds required strength Fcr.
19 2/22/23 6.75 3305 3943
20 2/15/23 6.50 3645 4193
21 2/15/23 7.00 3430 4513
22 2/15/23 6.50 3970 4487
23 2/15/23 5.50 3880 4643
24 2/14/23 2.50 4180 4877
25 2/13/23 4.00 3925 4987
26 2/10/23 5.25 3250 4293
27 2/10/23 4.50 3395 4673
28 2/10/23 4.25 3905 4927
29 2/10/23 4.00 3985 6160
30 2/10/23 5.50 3560 4410
Mean 3643 4595
Standard Deviation 421.8 528.9
K33000
INGRAM READYMIX., INC.
3580 FM 482
NEW BRAUNFELS , TEXAS 78132
Type: Portland Cement Type I/II Date:
Source: Hereke
Vessel: Evropi TEC ID: 23-1234
Client ID: Turkish Cement Corpus Christi
Supplier: South Texas Cement
Address: S.T.C. TERMINAL 2202 E Navigation Blvd.
Corpus Christi, TX 78402
Telephone: 361-885-0023
Item ASTM Limit Result Item ASTM Limit Result
SiO2 (%) C 114 - 19.8 Flow (%) C 1437 - 129
Al2O3 (%) C 114 6.0 max 4.7 Blaine Fineness (m2/kg) C 204 260-430 340
Fe2O3 (%) C 114 6.0 max 3.67 Normal Consistency (%) C 187 - 26.6
CaO (%) C 114 - 63.7 Autoclave Expansion (%) C 151 0.80 max -0.02
MgO (%) C 114 6.0 max 1.57 Vicat Setting Time: C 191
SO3 (%)** C 114 3.0 max 2.49 Initial Vicat (minutes) C 191 45-375 149
Na Eqv (%) C 114 - 0.51 Final Vicat (minutes) C 191 - 285
Loss on Ignition (%)**** C 114 3.0 max 2.9 Air Content (%) C 185 12 max 9
Insoluble Residue (%) C 114 1.5 max Ongoing Density of Hydraulic Cement (g/cm ) C 188 - 3.13
Limestone Addition (%) C 114 5 max NA
Inorganic Processing Addition (%) C 114 5.0 max NA
C3S + 4.75 * C3A (%)*** C 114 100 max 95 Compressive Strength MPa: C 109/C 109M
1 Day C 109/C 109M - 15.2
3 Day C 109/C 109M 12.0 min 25.1
7 Day C 109/C 109M 19.0 min 32.4
Potential Compounds: C 114 28 Day C 109/C 109M 28.0 min Ongoing
C3S (%) C 114 - 65
C2S (%) C 114 - 7 Compressive Strength PSI: C 109/C 109M
C3A (%) C 114 8 max 6 1 Day C 109/C 109M - 2210
C4AF (%) C 114 - 11 3 Day C 109/C 109M 1740 min 3640
7 Day C 109/C 109M 2760 min 4700
28 Day C 109/C 109M 4060 min Ongoing
Notes
Dean T. Roosa Shawn P. McCormick
Project Manager Laboratory Principal
Chemical** Physical
*Indicates items not meeting ASTM C150-22 and AASHTO M85-21.
** No adjustment has been made for possible use of limestone or inorganic processing additions.
*** Does not apply when the cement complies with the heat of hydration limit
**** If Limestone is added it is 3.5%
****** The minimum (0.33), maximum (0.61) and average (0.53) for equivalent alkalis obtained from quality control tests.
Mill Test Certificate Report
Certification
SGS TEC Services is an AASHTO R18, ANS/ISO/IEC 17025:2017, and Army Corps of Engineers accredited laboratory. This certifies that the described cement, at the time of shipment, meets chemical and physical requirements of the current applicable specification for ASTM C 150 & AASHTO M-85 for type I and Type I/II (MH). These results pertain to only the sample tested.
July 27, 2023
General Information
Tests Data on ASTM "Standard" Requirements
Tested by SGS TEC Services
Contact: Dean Roosa (770) 995-8000
Source Location: Hereke Plant
15 March 2021
Gary Johnson Ingram Ready Mix
3850 FM 482
New Braunfels, TX. 78132
Mr. Johnson, This is to certify that ZYLA® 610, a water reducing and retarding admixture, as manufactured and supplied by GCP Applied Technologies is formulated to comply with the Standard Specification for Chemical Admixtures for Concrete, ASTM C 494, Type A.
ZYLA 610 does not contain calcium chloride or chloride containing compounds as a functional ingredient. Chloride ions may be present in trace amounts contributed from the process water used in the manufacturing.
If you have any questions, or need anything else, please let me know.
Regards, Thomas M Greene
Thomas M. Greene, FACI Regional Technical Services Manager Southwest Region 4323 Crites Street Houston, TX. 77003
281 795 3224 mobile 800 354 5414 office thomas.m.greene@gcpat.com
15 March 2021
Gary Johnson Ingram Ready Mix
3850 FM 482
New Braunfels, TX. 78132
Mr. Johnson, This is to certify that ZYLA® 614R, a water reducing and retarding admixture, as manufactured and supplied by GCP Applied Technologies is formulated to comply with the Standard Specification for Chemical Admixtures for Concrete, ASTM C 494, Type B & D.
ZYLA 614R does not contain calcium chloride or chloride containing compounds as a functional ingredient. Chloride ions may be present in trace amounts contributed from the process water used in the manufacturing.
If you have any questions, or need anything else, please let me know.
Regards, Thomas M Greene
Thomas M. Greene, FACI Regional Technical Services Manager Southwest Region 4323 Crites Street Houston, TX. 77003
281 795 3224 mobile 800 354 5414 office thomas.m.greene@gcpat.com
#5 X 7'-6" @ 12" OC EA WAY
TOP & BOTTOM
#5 X 1'-6" T&B
#5 X 1'-6" DIAG T&B
#5 X 2'-6" T&B
2-#5 BOTTOM ONLY
TOP -USE SLAB STEEL
#3 MK 303 @ 12"
#5 X 7'-6" @ 12" OC EA WAY
TOP & BOTTOM
TRANSFORMER PAD
6-#6 X 5'-0
VERT
#3 MK 304 @ 12"
2 XTRA #3 MK304
AT TOP#5 MK502-1 LW
#5 MK 502-2 SW @ 12" OC
EA WAY
FIELD CUT SLAB STEEL
AT PIERS AS REQ'D
ELEC EQUIPMENT RACK
30" DIA PIERS
24" DIA PIERS.
11-#6 X 3'-6"
VERT
#3 MK 304 @ 11"
3" CLR
2-#3 MK 304 XTRA AT THE TOP
3" CLR
DWLS AT 8" CONC POST ONLY
4-#4 X 6'
3' EMBED TO PIER
USING 3" CONCRETE CLEARANCE
SO TYPICAL ACCESSORIES CAN BE USED
11-#6 X 3'-6"
VERT
#3 MK 305 @ 11"
3" CLR
2-#3 MK 305 XTRA AT THE TOP
3" CLR
DWLS AT 8" CONC POST ONLY
4-#4 X 6'
3' EMBED TO PIER
DWLS AT CMU POST ONLY
4-#6 X 6'
3' EMBED TO PIER
MISC
LABEL NO. REQ. QTY SIZE MK/LEN NOTE
TRANSFORMER PAD 8' X 8'
1 36 #5 7-06 @ 12" OC EA WAY T&B
1 24 #5 1-06 ADD'L BARS DIAG & AT SIDE
1 4 #5 2-06
4 4 #5 7-06 BEAMS T&B
4 8 #3 303 @ 12"
4 4 #5 501 CORNER BARS
6 UTIL BRICKS SUPPORTS
1 3 3/4SBR 5-00 SLAB BOLSER W/ RUNNER
WILL NEED 1/2" BETWEEN MATS - CAN 3/4" BE USED
ELECTRICAL EQUIPMENT RACK 7' X 17'-6"
4 PIERS AT 5'-6" TOTAL LENGHT
4 6 #6 5-00 VERT
4 5 #3 304 @ 12"
4 3 #3 304 XTRA AT THE TOP
4x3 Pcs 3"BOOSTER ACCESSORIES 4x6 Pcs 3" WHEEL ACCESSORIES
1 8 #5 502-1 LW 8runs@12" 1 18 #5 502-2 SW 18runs@12"
2 1 #5 16-06 1-CONT AT BEAM
2 1 #5 6-06 1-CONT AT BEAM
4 1 #5 501 CORNER BARS
10 UTIL BRICKS SUPPORTS
FIELD CUT AT PIERS AS REQ'D
24" DIA PIERS
PLEASE PROVIDE QUANITY VERIFY 3" CONC CLR
2 11 #6 3-06 VERT
2 5 #3 304 @ 11"
2 2 #3 304 EXTRA AT TOP
2x3 Pcs 3"BOOSTER ACCESSORIES 2x6 Pcs 3" WHEEL ACCESSORIES
NO DWLS NEEDED AT WROUGHT IRON FENCE POST
DWLS @ 8" CONC POST
1 4 #4 6-00 DWLS AT 8" CONC POST 36" EMBED
30" DIA PIERS
PLEASE PROVIDE QUANITY VERIFY 3" CONC CLR
2 11 #6 3-06 VERT
2 5 #3 305 @ 11"
2 2 #3 305 EXTRA AT TOP
2x3 Pcs 3"BOOSTER ACCESSORIES 2x6 Pcs 3" WHEEL ACCESSORIES
DWLS AT CMU
1 4 #6 6-00
DWLS @ 8" CONC POST
1 4 #4 6-00 DWLS AT 8" CONC POST 36" EMBED
A G B
TYPE 2
C
B
D
E
FK
H
TYPE 25
A G
B C
D
S3 H K
O
T3
BEND SCHEDULE
SIZE LENGTH MARK TYPE _A_ _B_ _C_ _D_ _E_ F/R _G_ _J_ _O_ _H_ _K_
#5 4-00 501 2 2-00 2-00 #5 18-02 502-1 2 0-10 16-06 0-10 #5 8-02 502-2 2 0-10 6-06 0-10 #4 3-06 401 2 0-09 2-00 0-09 #4 2-09 402 2 0-09 2-00 #3 4-09 301 25 1-00 0-10¼ 1-00 0-10¼ 1-00 0-10 0-05 #3 3-10 302 25 1-00 0-04¾ 1-00 0-04¾ 1-00 0-04½ 0-03 #3 3-05 303 S3 0-04 1-01 0-06½ 1-01 0-04 0-02½ #3 5-09 304 T3 1-06 1-00 #3 7-03 305 T3 2-00 1-00
TRANSFORMER PAD IS 8" TOTAL
THICKNESS DEDUCT 2" TOP & 3" BOT
= 3" DEDUCT 4-#5 BARS = 1/2" CLR
BETWEEN MATS- CAN WE USE 3/4"
SLAB BOLSTERS
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AutoCAD SHX Text
CONTRACTOR:
AutoCAD SHX Text
ENGINEER:
AutoCAD SHX Text
DRAWING COVERS:
AutoCAD SHX Text
DETAILER:JERRY AGUIRRE 512-251-0606
AutoCAD SHX Text
ISSUED FOR:
AutoCAD SHX Text
J85 ENGINE TEST CELL PAD
AutoCAD SHX Text
POWER HORSE
AutoCAD SHX Text
APPROVAL
kurtis Highlight kurtis Highlight
Hilti, Inc.
7250 Dallas Parkway, Suite 1000
Plano, TX 75024
1-800-879-8000 www.hilti.com
The following excerpt are pages from the North American Product Technical Guide, Volume 2: Anchor Fastening, Edition 22.
Please refer to the publication in its entirety for complete details on this product including data development, product specifications, general suitability, installation, corrosion and spacing and edge distance guidelines.
US&CA: https://submittals.us.hilti.com/PTGVol2/
To consult directly with a team member regarding our anchor fastening products, contact Hilti’s team of technical support specialists between the hours of 7:00am – 6:00pm CST.
US: 877-749-6337 or HNATechnicalServices@hilti.com CA: 1-800-363-4458, ext. 6 or CATechnicalServices@hilti.com https://submittals.us.hilti.com/PTGVol2/ mailto:HNATechnicalServices@hilti.com mailto:CATechnicalServices@hilti.com
106 Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.2.3 HIT-RE 500 V3 EPOXY ADHESIVE ANCHORING SYSTEM Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www.hilti.com | Hilti (Canada) Corporation | www.hilti.ca | 1-800-363-4458
3.2.3 HIT-RE 500 V3 EPOXY ADHESIVE ANCHORING SYSTEM
PRODUCT DESCRIPTION
HIT-RE 500 V3 with Threaded Rod, Rebar, and HIS-N/RN Inserts Anchor System
Hilti HIT-RE 500 V3 Cartridge
• Superior bond performance in both cracked and uncracked concrete
• Seismic qualified in accordance with ICC-ES Acceptance Criteria AC308 and ACI 355.4
• No hole cleaning requirement when installed with SafeSet™ hollow drill bit and Hilti vacuum technology
• ICC-ES approved for cracked concrete and seismic service
• May be installed in diamond cored holes in cracked and uncracked concrete including all seismic zones concrete using the Safe-Set™ system using the TE-YRT Roughening tool
• Use underwater up to 165 ft (50 m)
• Meets requirements of ASTM C881-14, Type I, II, IV, and V, Grade 3, Class A, B, and C.
• Meets requirements of AASHTO specification M235, Type I, II, IV, and V, Grade 3, Class A, B, and C
• Technical data available for larger diameters, oversized holes, deeper embedments.
Contact Hilti Technical Services for additional information
Hilti HAS Threaded Rods
Rebar
Hilti HIS-N
Approvals/Listings
ICC-ES (International Code Council) ESR-3814 in concrete per ACI 318 Ch. 17 / ACI 355.2/ ICC-ES AC308 ELC-3814 in concrete per CSA A23.3 / ACI 355.2
NSF/ANSI Std 61 Certification for use in potable water European Technical Approval ETA-16/0142, ETA-16/0143, ETA-16/0180 City of Los Angeles City of Los Angeles 2017 LABC Supplement (within ESR-3814) Florida Building Code 2017 FBC Supplement (within ESR-1814) U.S. Green Building Council LEED® Credit 4.1-Low Emitting Materials Department of Transportation Contact Hilti for various states
Uncracked concrete
Cracked concrete
Hollow drill bit Roughening tool software
Diamond cored holes for cracked and uncracked concrete
Seismic design categories A-F
107Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.2.3 HIT-RE 500 V3 EPOXY ADHESIVE ANCHORING SYSTEM Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www.hilti.com | Hilti (Canada) Corporation | www.hilti.ca | 1-800-363-4458
3.2.3
DESIGN DATA IN CONCRETE FOR ACI 318
ACI 318 Chapter 17 design
The load values contained in this section are Hilti Simplified Design Tables. The load tables in this section were developed using the strength design parameters and variables of ESR-3814 and the equations within ACI 318 Chapter 17. For a detailed explanation of the Hilti Simplified Design Tables, refer to Section 3.1.8. Data tables from ESR-3814 are not contained in this section, but can be found at www.icc-es.org or at www.hilti.com.
MATERIAL SPECIFICATIONS
Table 1 — Material properties of fully cured Hilti HIT-RE 500 V3
Bond Strength ASTM C882-13A1
2 day cure 14 day cure
10.8 MPa
11.7 MPa
1,560 psi 1,690 psi
Compressive Strength ASTM D695-101 82.7 MPa 12,000 psi Compressive Modulus ASTM D695-101 2,600 MPa 0.38 x 106 psi Tensile Strength 7 day ASTM D638-14 49.3 MPa 7,150 psi Elongation at break ASTM D638-14 1.1% 1.1% Heat Deflection Temperature ASTM D648-07 50°C 122°F Absorption ASTM D570-98 0.18% 0.18% Linear Coefficient of Shrinkage on Cure ASTM D2566-86 0.008 0.008
1 Minimum values obtained as the result of tests at 35°F, 50°F, 75°F and 110°F.
115Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.2.3 HIT-RE 500 V3 EPOXY ADHESIVE ANCHORING SYSTEM Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www.hilti.com | Hilti (Canada) Corporation | www.hilti.ca | 1-800-363-4458
3.2.3
Table 10 — Load adjustment factors for #4 rebar in uncracked concrete1,2,3
#4 Rebar uncracked concrete
Spacing factor in tension ƒAN
Edge distance factor in tension ƒRN
Spacing factor in shear4 ƒAV
Edge distance in shear
Concrete thickness factor in shear5 ƒHV
Toward edge ƒRV from edge
Embedment hef
in. 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10
(mm) (114) (152) (254) (114) (152) (254) (114) (152) (254) (114) (152) (254) (114) (152) (254) (114) (152) (254)
Sp ac in g
(s e dg e ei st an ce (c
a) / c on cr et e th ic kn es s (h
- i n.
(m m ) 1-3/4 (44) n/a n/a n/a 0.26 0.20 0.11 n/a n/a n/a 0.05 0.04 0.02 0.11 0.07 0.04 n/a n/a n/a
2-1/2 (64) 0.59 0.57 0.54 0.29 0.22 0.13 0.53 0.53 0.52 0.09 0.06 0.04 0.18 0.13 0.08 n/a n/a n/a 3 (76) 0.61 0.58 0.55 0.32 0.24 0.14 0.54 0.53 0.52 0.12 0.08 0.05 0.24 0.17 0.10 n/a n/a n/a 4 (102) 0.64 0.61 0.57 0.37 0.28 0.16 0.55 0.54 0.53 0.18 0.13 0.08 0.37 0.26 0.15 n/a n/a n/a 5 (127) 0.68 0.64 0.58 0.42 0.32 0.18 0.57 0.55 0.54 0.26 0.18 0.11 0.42 0.32 0.18 n/a n/a n/a
5-3/4 (146) 0.70 0.66 0.60 0.47 0.35 0.20 0.58 0.56 0.54 0.32 0.22 0.13 0.47 0.35 0.20 0.56 n/a n/a 6 (152) 0.71 0.67 0.60 0.48 0.36 0.21 0.58 0.56 0.55 0.34 0.24 0.14 0.48 0.36 0.21 0.57 n/a n/a 7 (178) 0.75 0.69 0.62 0.55 0.40 0.24 0.59 0.57 0.55 0.42 0.30 0.18 0.55 0.40 0.24 0.61 n/a n/a
7-1/4 (184) 0.76 0.70 0.62 0.57 0.42 0.24 0.60 0.58 0.55 0.45 0.31 0.19 0.57 0.42 0.24 0.62 0.55 n/a 8 (203) 0.79 0.72 0.63 0.63 0.46 0.27 0.61 0.58 0.56 0.52 0.36 0.22 0.63 0.46 0.27 0.66 0.58 n/a 9 (229) 0.82 0.75 0.65 0.70 0.52 0.30 0.62 0.60 0.57 0.62 0.43 0.26 0.70 0.52 0.30 0.70 0.62 n/a 10 (254) 0.86 0.78 0.67 0.78 0.57 0.34 0.63 0.61 0.58 0.72 0.51 0.30 0.78 0.57 0.34 0.73 0.65 n/a
11-1/4 (286) 0.90 0.81 0.69 0.88 0.65 0.38 0.65 0.62 0.58 0.86 0.60 0.36 0.88 0.65 0.38 0.78 0.69 0.58 12 (305) 0.93 0.83 0.70 0.94 0.69 0.40 0.66 0.63 0.59 0.95 0.67 0.40 0.94 0.69 0.40 0.80 0.71 0.60 14 (356) 1.00 0.89 0.73 1.00 0.80 0.47 0.69 0.65 0.61 1.00 0.84 0.50 1.00 0.80 0.47 0.87 0.77 0.65 16 (406) 0.94 0.77 0.92 0.54 0.72 0.67 0.62 1.00 0.61 0.92 0.54 0.93 0.82 0.69 18 (457) 1.00 0.80 1.00 0.60 0.74 0.69 0.64 0.73 1.00 0.60 0.98 0.87 0.74 20 (508) 0.83 0.67 0.77 0.71 0.65 0.86 0.67 1.00 0.92 0.78 22 (559) 0.87 0.74 0.80 0.73 0.67 0.99 0.74 0.97 0.81 24 (610) 0.90 0.81 0.82 0.75 0.68 1.00 0.81 1.00 0.85 30 (762) 1.00 1.00 0.90 0.82 0.73 1.00 0.95 36 (914) 0.98 0.88 0.77 1.00
> 48 (1219) 1.00 1.00 0.86
Table 11 — Load adjustment factors for #4 rebar in cracked concrete1,2,3
#4 Rebar cracked concrete
Spacing factor in tension ƒAN
Edge distance factor in tension ƒRN
Spacing factor in shear4 ƒAV
Edge distance in shear
Concrete thickness factor in shear5 ƒHV
Toward edge from edge
Embedment hef
in. 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10 4-1/2 6 10
(mm) (114) (152) (254) (114) (152) (254) (114) (152) (254) (114) (152) (254) (114) (152) (254) (114) (152) (254)
Sp ac in g
(s e dg e ei st an ce (c
a) / c on cr et e th ic kn es s (h
- i n.
(m m ) 1-3/4 (44) n/a n/a n/a 0.48 0.45 0.41 n/a n/a n/a 0.05 0.03 0.02 0.11 0.07 0.04 n/a n/a n/a
2-1/2 (64) 0.59 0.57 0.54 0.55 0.50 0.44 0.53 0.53 0.52 0.09 0.06 0.03 0.18 0.12 0.07 n/a n/a n/a 3 (76) 0.61 0.58 0.55 0.59 0.53 0.46 0.54 0.53 0.52 0.12 0.08 0.05 0.24 0.16 0.09 n/a n/a n/a 4 (102) 0.64 0.61 0.57 0.68 0.60 0.49 0.55 0.54 0.53 0.18 0.12 0.07 0.37 0.24 0.14 n/a n/a n/a 5 (127) 0.68 0.64 0.58 0.78 0.67 0.53 0.57 0.55 0.54 0.26 0.17 0.10 0.52 0.34 0.20 n/a n/a n/a
5-3/4 (146) 0.70 0.66 0.60 0.86 0.73 0.56 0.58 0.56 0.54 0.32 0.21 0.12 0.64 0.41 0.24 0.56 n/a n/a 6 (152) 0.71 0.67 0.60 0.89 0.75 0.57 0.58 0.56 0.54 0.34 0.22 0.13 0.68 0.44 0.26 0.57 n/a n/a 7 (178) 0.75 0.69 0.62 1.00 0.83 0.62 0.59 0.57 0.55 0.43 0.28 0.16 0.86 0.56 0.33 0.62 n/a n/a
7-1/4 (184) 0.76 0.70 0.62 0.85 0.63 0.60 0.57 0.55 0.45 0.29 0.17 0.90 0.59 0.34 0.63 0.54 n/a 8 (203) 0.79 0.72 0.63 0.91 0.66 0.61 0.58 0.56 0.52 0.34 0.20 1.00 0.68 0.40 0.66 0.57 n/a 9 (229) 0.82 0.75 0.65 1.00 0.70 0.62 0.59 0.56 0.62 0.41 0.24 0.81 0.47 0.70 0.60 n/a 10 (254) 0.86 0.78 0.67 0.75 0.64 0.60 0.57 0.73 0.47 0.28 0.95 0.56 0.74 0.64 n/a
11-1/4 (286) 0.90 0.81 0.69 0.81 0.65 0.61 0.58 0.87 0.57 0.33 1.00 0.66 0.78 0.68 0.56 12 (305) 0.93 0.83 0.70 0.85 0.66 0.62 0.59 0.96 0.62 0.36 0.73 0.81 0.70 0.58 14 (356) 1.00 0.89 0.73 0.95 0.69 0.64 0.60 1.00 0.79 0.46 0.92 0.87 0.75 0.63 16 (406) 0.94 0.77 1.00 0.72 0.66 0.61 0.96 0.56 1.00 0.93 0.81 0.67 18 (457) 1.00 0.80 0.74 0.68 0.63 1.00 0.67 0.99 0.85 0.71 20 (508) 0.83 0.77 0.70 0.64 0.79 1.00 0.90 0.75 22 (559) 0.87 0.80 0.72 0.66 0.91 0.94 0.79 24 (610) 0.90 0.82 0.74 0.67 1.00 0.99 0.83 30 (762) 1.00 0.91 0.80 0.71 1.00 0.92 36 (914) 0.99 0.87 0.76 1.00
> 48 (1219) 1.00 0.99 0.84 1 Linear interpolation not permitted.
2 Shaded area with reduced edge distance is permitted provided the rebar has no installation torque.
3 When combining multiple load adjustment factors (e.g. for a four-anchor pattern in a corner with thin concrete member) the design can become very conservative.
To optimize the design, use PROFIS Engineering or perform anchor calculation using design equations from ACI 318 Chapter 17.
4 Spacing factor reduction in shear applicable when c < 3*hef. ƒAV, is applicable when edge distance, c < 3*hef ef, then ƒAV = ƒAN.
5 Concrete thickness reduction factor in shear, ƒHV, is applicable when edge distance, c < 3*hef ef, then ƒHV = 1.0.
File details come from the government source that posted it. Updated .