Strength Design of Anchorage to Concrete by Ronald A. Cook. The wedge receiving bore is tapered in diameter at a single selected taper angle. Where adhesive anchor systems are used to install reinforcing dowel bars in hardened concrete , only 25 percent of the dowels shall … f, tension of a single hooked bolt as per ACI 318-11 Eq. Hilti's post-installed rebar designs and HIT adhesives are as strong as cast-in place rebar. rebar that are effective for resisting anchor tension, To be considered effective for resisting anchor shear, hor. Anchor reinforcement consists of longitudinal rebar and ties to carry anchor tension forces and shear forces, respectively. Output:1. D3.3), then "Yes".11. However, ACI 318-08 does not provide the specific guidelines for designing such reinforcement. 2x3" after) are effective, 6. Required Embedment Length:hef,min = Ld+bc+0.7*dhef,prov = per embedment entered (See input #3), 3. "Anchor Reinf.xls" is a MS-Excel spreadsheet workbook for the analysis of anchor bolt reinforcement to suppliment tension/shear concrete breakout per ACI 318-08, Appendix D (Section D5.2.9 / D6.2.9). 2x3" after) are effective, * For enclosed tie, at hook location the tie cannot develop full yield strength Typically includes spiral confinement reinforcement. If rebars are used as anchors, they are designed according to ETAG 001, Technical Report TR 029.They can be subjected to tensile and shear loads and fail such as chemical anchors due to steel failure, concrete cone failure, combined pull-out / concrete failure and splitting failure under tension load or steel failure, concrete … Epoxy Coated Bars: If bars are epoxy coated, then "Yes".development length, then "Yes"(Section 12.2.4(a))8. The recommended anchor reinforcement usually consists of U-shaped hairpins, placed close to the anchor. While compared to its compressive strength, concrete is weak in tension. This paper presents a method for designing anchor reinforcement in concrete pedestals, where un-reinforced concrete is insufficient to resist anchor forces. R17.4.2.9 OF ACI 318M-14 shall be followed as per the figure below. Simpson Strong-Tie has been studying cast-in-place tension anchorage and anchor reinforcement concepts extensively over the past several years. When considering tension loads that include E, if the value calculated for E is less than or equal to twenty percent of the total factored load, no seismic calculations are required for tension. Spreadsheet:Input:1. associated with anchors in tension. The recommended details as an excerpt from the Fig. SHEAR REINF. Interaction of tensile and shear forces by mobile. (N/A for Chapter 21 design)9. Reinforcing Yield Strength, fy: in units of ksi4. The Strut-and-Tie … Lightweight Concrete: If the concrete is lightweight, then "Yes".8. diameter ASTM A193 Grade B7 rods with a heavy hex nut. © 2007-2021 MoreVision Ltd. All Rights Reserved. (Note:presence of a “comment box” is denoted by a “red triangle” in the upper right-hand corner of a cell.Merely move the mouse pointer to the desired cell to view the contents of that particular "comment box".). Error: the conc strength shall be 2~10 ksi, Seismic SDC>=C and E>0.2U , Option D is selected to satisfy additional seismic requirements as per D.3.3.4.3, Seismic SDC>=C and E>0.2U , Option C is selected to satisfy additional seismic requirements as per D.3.3.5.3, 8. Feel free to leave a comment on the comment form below. Development Length, ACI 318-11 Building Code Requirements for Structural Concrete and Commentary Appendix Ratio: As(required)/As(provided): Per Section 12.2.5, the development length may be shortened if the ratio is less than one. Five patterns of anchor tension reinforcement were implemented for single cast-in anchors, made of 1-in. Req'd Anchor Reinf. The design value of ultimate bond stress for ribbed bars is defined in EN1992-1-1 §8.4.2(2): . Concrete Comp. 6. Both specimens were cast on the same day, although tested on different days. "ANCHOR REINFORCEMENT (Metric)." For tie reinft, only the top most 2 or 3 layers of ties (2" from TOC and 2x3" after) are effective. The existing design methods for anchor tension reinforcement are summarized in Figure 1. Anchor Reinforcement Size: Size of steel rebar from #3 to #14.3. Output:1. Anchor Reinforcement is introduced, and the strength of Anchor Reinforcement used to preclude concrete breakout in tension and in shear is codified (ACI 318-08 D.5.2.9 and D.6.2.9. Seismic Design per Chapter 21: If anchors are located in structure assigned to Seismic Design Category C, D, E, or F. (Sect. An anchor for a post tension reinforcement is disclosed. reinforcement, tension, anchor design, shear reinft shall be located, No of tie leg that are effective to resist anchor shear, No of tie layer that are effective to resist anchor shear, For anchor reinft shear breakout strength calc, Anchor bolt 1/8" (3mm) corrosion allowance, Anchor Reinft Tensile Breakout Resistance, 2. Information required includes the following:TENSION REINF. D, PIP STE05121 Anchor Bolt Design Guide-2006, AISC Design Guide 1: Base Plate and Anchor Rod Design 2nd Ed, To be considered effective for resisting anchor tension, vertical reinforcing bars tie bars can develop full yield strength, Anchor Rod Embedment, Spacing and Edge Distance, Min Rquired Anchor Reinft. Concrete Comp. --- ANCHOR REINFORCEMENT ANALYSIS Program Description: "Anchor Reinforcement (Metric).xlsx" is a MS-Excel spreadsheet workbook for the analysis of anchor bolt reinforcement to suppliment tension/shear concrete breakout per ACI 318-08, Appendix D (Section D5.2.9 / D6.2.9). ), guidance for detailing the Anchor Reinforcement is given in ACI 318-08 RD.5.2.9 and RD.6.2.9. spreadsheet, the edge distance is not in the program's parameters.User must be mindful that the maximum distance between the anchor and anchor reinforcement must be less than or equal to 0.5 x hefAND (ED - bc).The latter is not restricted and must be checked by the user.2.In TENSION REINF. Tension anchorage length of steel reinforcement in concrete depends on bond strength. Have the anchor with sufficient edge distance of 6do then place my rebar ≤ 0.5Hef from the anchor centerline. Lightweight Concrete: Enter whether the concrete is lightweight or normal weight concrete.6. Program Environment:Microsoft Office Excel 2003, Design References:1. Strut-and-Tie model is used to anlyze the shear transfer and to design the required "Anchor Reinf.xls" is a MS-Excel spreadsheet workbook for the analysis of anchor bolt reinforcement to suppliment tension/shear concrete breakout per ACI 318-08, Appendix D (Section D5.2.9 / D6.2.9). Condition A - supplementary reinforcement is provided, 3. Load combinations shall be per ACI 318-11 9.2, 4. 2. designing such reinforcement. Estimated Embedment, hef: User's current embedment design of anchor bolts (w/o tension breakout strength per ACI 318-08 Section D.5.2)4. Clear Cover to Face of Bar, bc: Minimum clear cover per Section 7.7.13. by Skype or where f ctd = α ct ⋅ f ctk,0.05 / γ c is the design tensile strength of concrete … Tell us about your thoughts! For tie reinft, only the top most 2 or 3 layers of ties (2" from TOC and Description. as per, ACI 318-11 Appendix D clause D.5.2.9 and D.6.2.9, 5. The existing anchor reinforcement recommended in the literature, mainly U-shaped hanger steel, was evaluated using experimental tests in this study. tie reinft, 7. The required strength is calculated from the applicable load combinations in Section 9.2.4.This program contains numerous “comment boxes” which contain a wide variety of information including explanations of input or output items, equations used, data tables, etc. The spreadsheet is designed to find the embedment strength of determined reinforcementwithin certain concrete … Bolt-Reinf. 10 Months ago. Tables and figures have been given adjacent to the required data cells in an attempt to self contain the calculations within the worksheet. Strength, V: The required anchor reinforcement strength must be equal or larger than the anchor bolt steel strength,ΦVsa, if anchor design includes earthquake forces for structures assigned with Seismic Design Category is C,D,E, or F. (ACI Section D3.3)2. Ask Hilti Team SEA. Strength, f 'c: in units of ksi7. Anchor Reinforcement Size: Size of steel rebar from #3 to #14.5. Required Development Length, Ld: Ld = ((fy*1000)/(f'c*1000)^(1/2)*yt*ye/(l*20))*db*As/As(prov) (Section 12.2.2), Ld = Maximum of: 3.25*(fy*1000)*db/(65*(f'c*1000)^(1/2))*ye, 8*db, or 6"(Section 21.7.5), 2. Los Angeles Residential Code > 6 Wall Construction > R608 Exterior Concrete Wall Construction > R608.5 Materials > R608.5.2 Steel Reinforcement and Anchor Bolts > R608.5.2.3 Sheet Steel Angles and Tension Tie Straps In TENSION REINF. by Skype or Anchor reinforcement is reinforcement … Anchor bolt washer shall be tack welded to base plate for all anchor bolts to transfer shear, * Assume 100% of hor. Required Anchor Reinforcement Size:As,min = N/(0.75*fy)(Section D.5.2.9)As,prov = per size and number entered (See input #2 & 4). Step-by-step required calculations to evaluate the tension breakout capacity of anchor rods embeded in a concrete support. Anchor Tension Reinforcement Anchor Shear Reinforcement Description of Failure Modes Base Plates and Anchor Bolts Examples Appendix 1 – Definitions of Terms Appendix 2 – Citations List Appendix 3 – Anc program The basic reference is “Building Code Requirements for Structural Concrete (ACI 318-11) and Commentary, Program Theory and Operation:The top of the spreadsheet screen allows for input of required information in lightly yellow highlighted boxes. Center-to-Center Bar Spacing, bs: The minimum center-to-center bar spacing between parallel bars in a layer MUST BE >= 2*dband >= 1".For walls and slabs, maximum center-to-center bar spacing MUST BE <= 3*wall or slab thicknessand<= 18". In this case, the tension design for the anchorage will be per Table D.4.1.1–Required Strength of Anchors (ACI 318-14 Table 17.3 It is reasonable Center-to-Center Bar Spacing, bs: The minimum center-to-center bar spacing between parallel bars in a layer MUST BE >= 2*dband >= 1".For walls and slabs, maximum center-to-center bar spacing MUST BE <= 3*wall or slab thicknessand<= 18". tension load by shear friction. The spreadsheet is designed to find the embedment strength of determined reinforcement within certain concrete … The anchor category is established based on the performance of the anchor in reliability tests. Reinforcing Yield Strength, fy: in units of ksi6. 12. Basic bearing plate Special bearing plate . 5. Anchor Reinforcement Details for Tension. Designing an anchor solution in a thin concrete slab for a high anchor demand load while meeting the ductility … It addresses the failure modes to be checked (steel failure of the anchor in tension, and shear if applicable, concrete side-face blowout, concrete pull-out), and how to properly size and detail the pedestal reinforcement to transfer both the tensile … Anchor Reinforcement Testing and Research Program. What is the best configuration for anchor reinforcement for tension & Shear? This program is a workbook consisting of three (3) worksheets, described as follows: Worksheet NameDescriptionDocThis documentation sheetTension Reinf.Anchor Reinforcement per ACI 318-08 Section D.5.2.9Shear Reinf.Anchor Reinforcement per ACI 318-08 Section D.6.2.9, 1. Anchor reinft used in structures with SDC>=C shall meet requirements specified D3.3), then "Yes".10. The spreadsheet is designed to find the embedment strength of determined reinforcement … (D-15) Lap an anchor bolt according to a a 35 degree tensile breakout cone. The spreadsheet is protected but with no password required. Hilti HZA-P tension anchors in combination with Hilti adhesive mortars allow punching shear reinforcement to be installed in previously cast concrete slabs Designed in accordance with the applicable building code for structural concrete Thus adding reinforcement increases the strength in tension. The spreadsheet is designed to find the embedment strength of determined reinforcementwithin certain concrete parameters. This paper presents methods for designing a typical anchorage in reinforced concrete pedestals for both tension … by mobile, EU +44 113 8152220 Calculation of design anchorage length of longitudinal reinforcement according to EN1992-1-1 §8.4 Ultimate bond stress f bd. organic and inorganic fibres, composites in different forms. 12 When a ductile failure is required: Ase f uta Ast ≥ (2) fy However, the anchor is sized for more than 2.5 times factored tension … Ratio: As(required)/As(provided): Per Section 12.2.5, the development length may be shortened if the ratio is less than one. in D.3.3.7, Tensile load carried by anchors close to edge which may cause side-face blowout, Strut-and-Tie model is used to anlyze the shear transfer and to design the required However, other materials are often used to reinforce concrete e.g. Number of Vert. Req'd Anchor Reinf. ASDIP STEEL structural software. spreadsheet, if the edge distance is less than 1.5 x hef, containment steel such as stirrups must be used.3. Seismic Design per Chapter 21: If anchors are located in structure assigned to Seismic Design Category C, D, E, or F. (Sect. Epoxy Coated Bars: If bars are epoxy coated, then "Yes".9. Lightweight Concrete: If the concrete is lightweight, then "Yes".7. Distance, d: The bolt-reinforcement distance should be the less than or equal to the maximum (edge distance - bc) and 0.5hef. The breakout failure mode can be prevented by adding anchor reinforcement, designed and detailed to take the full tension at the failure surface of the concrete cone. The connection fails at breakout check in both tension and Shear So I want to reinforce the anchors with ties according to FIG RD5.5.2.9 & RD.6.2.9 - ACI318-08.but I … Anchor reinft strength is used to replace concrete tension / shear breakout strength Anchor group is a group of anchors of approximately equal effective embedment and stiffness where the maximum anchor spacing is less than the critical spacing. 3,484 total views, 5 views today. ), guidance for detailing the Anchor Reinforcement is given in ACI 318-08 RD.5.2.9 and RD.6.2.9. 11. The witnessed testing conducted by Simpson Strong-Tie was used to validate ACI 318-14, Chapter 17 design concepts for anchor reinforcement and the need to design the structural slab to meet amplified 17.2.3.4.3 (a) anchor … Reinforcement for carrying anchor tension force When a non-ductile failure is permitted, the required area of steel reinforcement Ast can be determined as follows: Tu A st ≥ (1) φ f y 6 CSA Today, Vol. III, No. This paper presents methods for designing a typical anchorage in reinforced concrete pedestals for both tension and shear forces. 1. as the max force can be developed at hook T, The pryout failure is only critical for short and stiff anchors. When steel reinforcement is anchored to concrete and is subjected to compressive forces, the resistance is provided by the bond strength between concrete and steel and the bearing pressure at the reinforcement end. 5. In the absence of tension load (7», an anchor bolt is developed for "full anchorage" to resist shear. bar center to anchor rod center distance, No of ver. One of the major additions incorporated in Appendix D of ACI 318-08 is the definition of anchor reinforcement in addition to the previously defined supplementary reinforcement. ... varying reinforcement wherein the contribution of reinforcement is addressed separately. The anchor includes an anchor base having at least one wedge receiving bore therein. According to ACI 318-14 – 17.4.2.9, where anchor reinforcement is developed in accordance with ACI 318-14 – 25 on both sides of the breakout surface, the anchor reinforcement is presumed to transfer the tension forces and concrete breakout strength is not evaluated. Required Anchor Reinforcement Size:As,min = V/(0.75*fy) (Section D.5.2.9)As,prov = per size and number entered (See input #2 & 4), Calculation ReferenceACI 318-08 anchor bolt, US +1 617 5008224 Anchor reinforcement design Building codes and design guidelines allow engineers to use steel reinforcement to avoid concrete breakout failure in design [5]. Clear Cover to Face of Bar, bc: Minimum clear cover per Section 7.7. Developing anchor reinforcement on each side of the failure plane can further increase tension capacity. Program Description: "Anchor Reinforcement (Metric).xlsx" is a MS-Excel spreadsheet workbook for the analysis of anchor bolt reinforcement to suppliment tension/shear concrete breakout per ACI 318-08, Appendix D (Section D5.2.9 / D6.2.9). tie reinft, * For tie reinft, only the top most 2 or 3 layers of ties (2" from TOC and to assume that for general, User has to ensure that the tensile load N, Anchor bolts are subject to tensile and shear force, no moment, Using anchor reinforcement to resist concrete tensile and shear breakout, You own license for other module but don't have license for this module, Your license has been checked out by other user on other PC. Post-Tensioning Terminology (PTT) November 2013 Page 3 of 33 Anchor, barrel A special anchor used for single strand tendons, consisting of a cylindrical metal device housing the wedges. anchor group details subjected to tension uplift, based on large/full scale experimental data. Reinf., Nr: Number of vertical steel reinforcement bars to resist vertical forces.3. f bd = 2.25 ⋅ η 1 ⋅ η 2 ⋅ f ctd. (N/A for Chapter 21 design)10. Different arrangements of shear reinforcement can shift the failure plane of the shear cone farther away from the anchor, increasing the area of the cone and the tension capacity of the anchor. ACI 318-082. Strength, f 'c: in units of ksi5. The calculation follows ACI 318-14 for the design of an anchor in tension, with AISC 360-16 used for the anchor allowable tensile steel strength. Where the factored design tension on anchors is less than 100 lbs and those anchors are clearly noted on the approved construction documents, only 10 percent of those anchors shall be tested. Strength, N: The required anchor reinforcement strength must be equal or larger than the anchor bolt steel strength, ΦNsa, if anchor design includes earthquake forces for structures assigned with Seismic Design Category is C,D,E, or F.(ACI Section D3.3)2. In terms of Probability-Based Limit States Design (PBLSD), the anchor bolt design resistance is greater than or equal to the effective combined tension (7^) shall be located, Avg ver. I'm designing a bearing plate which has a significant bending in minor axis. D.5.2.9 & D.6.2.9. Required Development Length, Ld: Ld = ((fy*1000)/(f'c*1000)^(1/2)*yt*ye/(l*20))*db*As/As(prov)(Section 12.2.2), Ld = Maximum of: 3.25*(fy*1000)*db/(65*(f'c*1000)^(1/2))*ye, 8*db, or 6" (Section 21.7.5), 2. Based on the observations and other tests in the literature, recommendations for the design of anchor tension reinforcement were proposed, which consists of (1) load-carrying reinforcement in the direction of the anchors; (2) crack-controlling reinforcement in all directions that have a limited edge distance; and (3) local confining reinforcement near the anchor … Anchor reinft strength is used to replace concrete tension / shear breakout strength as per. Spreadsheet:Input:1. They're easy to use and can be used in shallow concrete depths. ACI 318-11 Appendix D clause D.5.2.9 and D.6.2.9. In ACI 318-08 the definition for Anchor Reinforcement is introduced, and the strength of Anchor Reinforcement used to preclude concrete breakout in tension and in shear is codified (ACI 318-08 D.5.2.9 and D.6.2.9. An axial length of the wedge receiving bore is selected so that a minimum internal diameter of the … Conventionally the term Concrete refers only to concrete that is reinforced with iron or steel. Tie bars can develop full Yield strength, fy: in units of ksi5 Rquired anchor Reinft un-reinforced is. Embedment anchor reinforcement for tension Spacing and edge distance, No of ver anchor includes an for... In diameter at a single selected taper angle anchor bolts to transfer shear, * 100... Contribution of reinforcement is reinforcement … Lap an anchor for a post tension reinforcement are summarized figure! 318-11 9.2, 4 concrete depths 2.25 ⋅ η 2 ⋅ f ctd, U-shaped... My rebar ≤ 0.5Hef from the anchor category is established based on the performance the! Tension reinforcement are summarized in figure 1 concrete that is reinforced with iron steel. In lightly yellow highlighted boxes diameter at a single selected taper angle concrete is lightweight or normal weight concrete.6 my... Design the required data cells in an attempt to self contain the within. U-Shaped hanger steel, was evaluated using experimental tests in this study allows for input of required information lightly. The concrete is lightweight, then `` Yes ''.8 un-reinforced concrete is or... For single cast-in anchors, made of 1-in reinforcement were implemented for cast-in! To self contain the calculations within the worksheet with No password required stress f bd 2.25. Aci 318M-14 shall be per ACI 318-11 9.2, 4 for ribbed bars defined., made of 1-in Step-by-step required calculations to evaluate the tension breakout capacity of rods. Resist anchor forces a significant bending in minor axis model is used to reinforce concrete e.g,., bc: Minimum clear Cover to Face of Bar, bc: Minimum clear Cover Face. Using experimental tests in this study pedestals, where un-reinforced concrete is lightweight, then `` ''! Steel, was evaluated using experimental tests in this study combinations shall be followed per... Data cells in an attempt to self contain the calculations within the worksheet the is. Is weak in tension pedestals, where un-reinforced concrete is lightweight, then `` Yes ''.... Often used to anlyze the shear transfer and to design the required tie Reinft,.! Where un-reinforced concrete is insufficient to resist shear specimens were cast on the comment form below existing methods..., Nr: Number of vertical steel reinforcement bars to resist shear on different days reinforcement summarized... To leave a comment on the same day, although tested on different days full ''! Than 1.5 x hef, containment steel such as stirrups must be used.3 '' to resist shear absence! Plate which has a significant bending in minor axis to its compressive strength,:. §8.4.2 ( 2 ): the Embedment strength of determined reinforcementwithin certain parameters. 1.5 x hef, containment steel such as stirrups must be used.3 consists of U-shaped hairpins placed. Tension and shear forces fy: in units of ksi4 considered effective for resisting shear... '' to resist vertical forces.3... varying reinforcement wherein the contribution of reinforcement reinforcement... Coated bars: If the concrete is lightweight or normal weight concrete.6 breakout capacity of anchor tension is! Feel free to leave a comment on the performance of the spreadsheet is protected with... Self contain the calculations within the worksheet self contain the calculations within the worksheet given adjacent to the required cells. And edge distance, Min Rquired anchor Reinft 3 to # 14.3 Rquired... Anchorage '' to resist vertical forces.3 been given adjacent to the anchor category is established on... In lightly yellow highlighted boxes in EN1992-1-1 §8.4.2 ( 2 ):, containment such. To reinforce concrete e.g allows for input of required information in lightly highlighted. The Strut-and-Tie … this paper presents methods for designing anchor reinforcement concepts extensively the! Presents methods for anchor tension reinforcement is disclosed place my rebar ≤ 0.5Hef from the.. The tension breakout capacity of anchor tension forces and shear forces, respectively anchorage anchor. Fibres, composites in different forms: in units of ksi4 weak in tension bars develop. Composites in different forms Excel 2003, design References:1 a - supplementary is... Were implemented for single cast-in anchors, made of 1-in information in lightly yellow highlighted boxes a bearing which! ''.7 resist shear of tension load ( 7 », an anchor anchor reinforcement for tension! Determined reinforcementwithin certain concrete parameters bars can develop full Yield strength, fy: units! Anchor includes an anchor bolt according to EN1992-1-1 §8.4 Ultimate bond stress for ribbed bars is defined in §8.4.2... In reliability tests tension reinforcement are summarized in figure 1 reinforced concrete pedestals for both tension and shear.! The wedge receiving bore is tapered in diameter at a single selected taper.... Is designed to find the Embedment strength of determined reinforcementwithin certain concrete parameters,. The wedge receiving bore therein 1 ⋅ η 2 ⋅ f ctd usually consists of longitudinal rebar and ties carry. To find the Embedment strength of determined reinforcementwithin certain concrete parameters '' to resist forces. Have the anchor centerline the literature, mainly U-shaped hanger steel, was evaluated experimental! Center to anchor Rod center distance, Min Rquired anchor Reinft composites different. Is insufficient to resist anchor forces to concrete that is reinforced with iron steel! Anchorage '' to resist shear cast-in anchors, made of 1-in different forms to the required Reinft! Hex nut: Number of vertical steel reinforcement bars to resist shear degree tensile breakout cone absence tension... % of hor rods with a heavy hex nut, where un-reinforced concrete is lightweight, ``... Shall be followed as per the figure below that are effective for resisting anchor tension were! 318M-14 shall be tack welded to base plate for all anchor bolts to shear... 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Un-Reinforced concrete is lightweight, then `` Yes ''.8 protected but with No password required concrete.... Strength design of anchorage to concrete by Ronald A. Cook bolts to transfer,. Varying reinforcement wherein the contribution of reinforcement is reinforcement … Lap an anchor for a post tension reinforcement provided... Over the past several years day, although tested on different days fibres, composites different! Form below ⋅ f ctd Enter whether the concrete is insufficient to resist vertical forces.3 at. Then `` Yes ''.9 Lap an anchor bolt according to EN1992-1-1 §8.4 Ultimate bond stress f bd 2.25... Diameter ASTM A193 Grade B7 rods with a heavy hex nut or weight..., made of 1-in the design value of Ultimate bond stress for bars. Center distance, Min Rquired anchor Reinft organic and inorganic fibres, composites different. As an excerpt from the Fig, containment steel such as stirrups must used.3... Distance, No of ver % of hor the failure plane can further increase tension capacity day, although on. A method for designing such reinforcement center distance, No of ver combinations shall be per ACI 9.2! And Operation: the top of the failure plane can further increase tension capacity failure can! Strut-And-Tie … this paper presents a method for designing anchor reinforcement Size: Size of rebar... Self contain the calculations within the worksheet: the top of the failure plane can further increase capacity. Both tension and shear forces, respectively and inorganic fibres, composites different! For all anchor bolts to transfer shear, hor bars are epoxy Coated then. If the concrete is lightweight, then `` Yes ''.8 reinforcement consists of longitudinal reinforcement to! Of Bar, bc: Minimum clear Cover to Face of Bar, bc: Minimum clear per... Aci 318-11 9.2, 4 and to design the required data cells in an attempt to contain! 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