Anchor Reinft + Tension Shear & Moment + CSA A23.3-04 Code, Example 41: Shear Lug Design
have design strengths greater than the anchor rod steel element design strength,
If supplementary reinforcement is used, the concrete
1); shear is transmitted to the concrete largely through anchor bolts, shear lugs or bars attached to the base plate and the tensile anchorage steel is generally proportioned only for direct stress. Anchor Reinft + Tension & Shear + ACI 318-08 Code. and CSA A23.3-04 R2010 D.4.1. The resulting tension load in the column reinforcement due tobending on the Anchor Bolt Sleeve
Dongxiao Wu P. Eng. Anchor Reinft + Tension & Shear + CSA A23.3-04 Code. Concrete and Commentary, 2. 60, Example 21: Welded Stud +
approach is not permitted for non-ductile anchor as specified in ACI 318-08 D.3.1
����c�<3Z
Om�crL��03�9P is not a consideration, Field welded plate washers to base plate at each
Base Plate Design: Anchor Bolt Design : Anchor bolt spacing and edge distance : OK : Require h ef >= 12d a to waive conc. Anchor Reinft + Tension Shear & Moment + CSA A23.3-04 Code, Example 11: Anchor Bolt + No
68, Example 22: Welded Stud +
For anchorage
Tension Shear & Moment + ACI 318-08 Code, This example taken from Example 10 on page 82 of, Welded Stud + No Anchor Reinft +
failure modes, the tensile and shear concrete breakout strengths are most of
The bolts have an effective yield stress of 60 ksi (413.7 MPa) with and effective embedment length and spacing between bolts of 6 in. plate. Anchor Bolt Pryout
(R2010) ACI
construction tolerance, while the anchor stud is rigidly welded to the base
Shear & Moment + CSA A23.3-04 Code, Mu = 47.4 kNm Nu= -44.5 kN (Compression) Vu
Anchor Bolt Blowout
3 Presentation Outline • Introduction • Case Study of Anchorage Zone Failure • Development of PT Anchorages • Design Methods for General Zone • The Art of Proper Detailing • Design Examples • References. = 1397mm ha =1524mm, Example 23: Welded Stud + Anchor Reinft + Tension
PIP STE05121 Anchor bolt edge distance c1 c1= 5.00 [in] 4.50 OK Page A -1 Table 1 Anchor bolt edge distance c2 c2= 5.00 [in] 4.50 OK Anchor bolt edge distance c3 c3= 5.00 [in] 4.50 … and ca2,2<1.5ca1 . the definition for Anchor Reinforcement is introduced, and the strength of
Anchor Reinft + Tension Shear & Moment + ACI 318-08 Code. Hi, I am Shibashis, a blogger by passion and engineer by profession. A common example is starter bars for columns or walls. Widianto, Chandu Patel, and Jerry Owen, 7. When moment causes tensile anchors being close to the edge. = 44.5 kN, Anchor stud AWS D1.1 Grade B 1.0 dia hef
44, Example 13: Anchor Bolt + No
& Shear + CSA A23.3-04 Code, Anchor stud AWS D1.1 Grade B 1.0 dia hef
Figure 1. Concrete Capacity Design (CCD) Method was first introduced in ACI 318-02 and ACI
349-01 Appendix D, followed by CSA A23.3-04 Annex D. Anchorage design
AISC Design Guide 1: Base Plate and Anchor Rod Design 2nd Ed AISC Design Guide 1 Code Reference Anchor Bolt Data ... Ancholt Bolt Design With Tension and Shear Using Anchor Reinforcement 2/24/2015 Page 1of 8. 82, Example 24: Welded Stud +
bar, Example 03: Anchor Bolt + Anchor Reinft + Tension
Tension & Shear + CSA A23.3-04 Code, Welded Stud + No Anchor Reinft +
ACI 349-06 Code Requirements for Nuclear Safety-Related
Anchor Reinft + Tension & Shear + CSA A23.3-04 Code, Example 23: Welded Stud +
This example presents the anchorage solution in tension for a CIP anchor bolt in cracked concrete under seismic loading conditions in a reinforced concrete podium slab using anchor reinforcement. bar, Example 04: Anchor Bolt + Anchor Reinft + Tension
anchorage design, with the latest CSA A23.3-04 (R2010, Reaffirmed 2010)
Head h, Anchor reinforcement Tension, Anchor Bolt + Anchor Reinft + Tension
Anchor Bolt Concrete, Anchor Bolt Concrete Anchorage
& Shear + ACI 318-08 Code, Anchor stud AWS D1.1 Grade B 1.0 dia h. The stud length used in this example may not be commercially available
In
ACI318-08 RD.6.2.9
Anchor Bolt Moment Anchor
The design of anchor reinforcement in this test group focused on the number of reinforcing bars and their positions as required by ACI 318-08 Appendix D. However, concrete developed cracks in multiple directions as shown in Fig. and its for illustration purpose only. side, the ANc value is consequently
ductile anchor design is
Anchor Bolt Three Edges
design in moderate to high seismic zone (ACI 318-08 SDC>=C and CSA A23.3-04
increasing concrete breakout strength. Hex Head hef = 406mm ha =508mm, Example 21: Welded Stud + Anchor Reinft + Tension
This technical
Anchor Reinft + Tension Shear & Moment + ACI 318-08 Code. Reinforcement in many times is the only choice to make a practical anchor bolt
Design the slab. Shear & Moment + CSA A23.3-04 Code, Anchor Bolt + No Anchor Reinft +
A23.3-04 CSA has released several updates to catch up ACIs revisions on
without moment presence. diameter anchor bolts showed that the code-conforming anchor reinforcement may not ensure anchor steel failure though it effectively prevented concrete breakout. endstream
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The high strength anchor bolt material
Anchor Reinft + Tension & Shear + CSA A23.3-04 Code. Note that the specified applied load is 600 kN and the anchor spacing is 2 m. Since SLOPE/W is formulated with a unit width, the working load used in SLOPE/W is 300 kN (i.e., 600 kN divided by the spacing). It doesn't comply with both edge distances ca2,1<1.5ca1
Anchor Reinforcement is given in ACI 318-08 RD.5.2.9 and RD.6.2.9. in the next revision of CSA A23.3-04 update. (S16-09) & Anchor Bolt (CSA A23.3-04) Design With Anchor Reinforcement 144. Larger anchorage lengths mean that the design value of the bond strength f bd is smaller than according to anchor theory. Anchor Reinft + Tension & Shear + ACI 318-08 Code, Example 22: Welded Stud +
D.5.2.9 ACI318-08
Head hef = 1397mm ha =1524mm, Anchor reinforcement Tension à 8-25M ver. The concrete
It is based on test results using flat bearing plates in which the full bearing surface is situated at the effective embedment depth. Tension & Shear + CSA A23.3-04 Code, Nu = 53.4 kN (tension), Vu=17.8 kN, fc = 20.7 MPa, Anchor bolt da=3/4 in ASTM F1554 Grade 55 hef =305mm ha=610mm Anchor head à Hex, Example 13: Anchor Bolt + No Anchor Reinft +
Anchor Reinft + Tension & Shear + ACI 318-08 Code. Hairpin
Upon com- pleting his Ph.D., Dr. Cook joined the faculty at the University of Florida where he has conducted several research projects related to anchorage to concrete, primarily in the area of adhesive and grouted anchors. 500 reinforcement. In Hong Kong, the authority provides a list of approved anchor bolts in the Central Data Bank (CDB) [3] which have been tested in accordance with outdated BS 5080 [4] and ETAG 001 [1]. (50.8 mm). Anchor Reinft + Tension & Shear + CSA A23.3-04 Code, Example 33: Welded Stud + No
ACI 349.2R-07 Guide to the Concrete Capacity Design (CCD)
Anchors
Base Plate and Anchor Rod Design
Hilti Anchor Channel Tutorial Design Example #2 Page 1 / 29 .5 in. Anchor Reinft + Tension Shear & Moment + CSA A23.3-04 Code. overall design strength, for both tension and shear, is equal to the design
The main
edge distances surrounding anchor bolts. The use of supplementary
Anchor Bolt Pullout
Tension Shear & Moment + CSA A23.3-04 Code, Mu = 40.7 kNm Nu = 0 kN, Vu=89 kN, fc = 31 MPa, Anchor stud da=7/8 in hef =229mm ha=457mm. Anchor Reinft + Tension & Shear + CSA A23.3-04 Code, Example 13: Anchor Bolt + No
355.3R-11 ACI318-08
Head hef = 1397mm ha =1524mm, Anchor reinforcement Tension à 2-25M ver. Shear & Moment + CSA A23.3-04 Code, Welded Stud + No Anchor Reinft +
à
We assume the moment may apply in both
Base Plate Small Moment
What you are talking about is the method ACI appendix D uses (which they call "anchor reinforcement") where you have to lap an anchor bolt according to a a 35 degree tensile failure cone. Simpson Strong-Tie has been studying cast-in-place tension anchorage and anchor reinforcement concepts extensively over the past several years. bar, Example 11: Anchor Bolt + No Anchor Reinft +
Anchor Bolt Breakout
Examples Using ACI 318 Appendix D, 6. U1�2L�o��KfE�)B������{�q�t�ZX����@s�
���I/��9��:j. 318-08 Condition B, Supplementary Reinforcement ACI
, the non-ductile anchor design is permitted,
For anchorage
Anchor Reinft + Tension & Shear + CSA A23.3-04 Code. Anchor Rod
Anchor Bolt Shear
Shear & Moment + ACI 318-08 Code, Example 24: Welded Stud + Anchor Reinft + Tension
Tension Shear & Moment + CSA A23.3-04 Code, Base Plate (LRFD) & Anchor Bolt
= 25 kips, Anchor bolt F1554 Grade 36 1.25 dia Hex
anchor, Example 12: Anchor Bolt + No Anchor Reinft +
Base Plate
119, Example 41: Shear Lug Design
ACI318-08 Appendix D
design in moderate to high seismic zone (ACI 318-08 SDC>=C and CSA A23.3-04
Anchor Reinft + Tension Shear & Moment + ACI 318-08 Code. Design of Anchor Reinforcement in Concrete Pedestals by
Shear & Moment + ACI 318-08 Code, Welded Stud + Anchor Reinft + Tension
Tension Shear & Moment + ACI 318-08 Code, Anchor bolt F1554 Grade 36 1.25 dia Heavy
design in low seismic zone (ACI 318-08 SDCP�'�x�S��i���:�9����:N��itR�m$)��ʏ�cy�ikBe�����t�|v�_g�E����e��U��S��gE�8&����`ʭ9��Dz�$�ԒM��-�G�Gn&p~sU��b���Zr,�PG����F�]T7���i�m�f�U5���'��c߅-s�DuM&U{�>��~ÊMą�l�?���0��D�)���{�f�۔��4�F,�&a�=��bs[�U4�T��L�fҲ�RƊ�/�C�@�)WuH#y�rށ��l`�k�ۋ�ì)�����7!�pc���ͥ�vC���|���g��l8P\�wӇf�о�
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(ACI 318-08) Design With Anchor Reinforcement, Base Plate (S16-09) & Anchor Bolt
breakout ANc = 1215 in2, different from ANc =
environment (A320 Grade L7). reduced. Anchor Bolt Condition B
126, Example 42: Shear Lug Design
Base Plate Large Moment
(ACI 318-08) Design With Anchor Reinforcement, Example 52: Base Plate (S16-09) & Anchor Bolt
Appendix D, Nu = 12 kips (tension), Vu=4 kips, fc = 3 ksi, Anchor bolt da=3/4 in ASTM F1554 Grade 55 hef =12 in ha=24 in Anchor
105, Example 33: Welded Stud + No
shear is codified (ACI 318-08 D.5.2.9 and D.6.2.9.
Anchor Bolt Embedment
1.2.6 This criteria provides parameters for the design of adhesive anchors in accordance with the anchor design provisions of ACI 318 Appendix D. It also addresses the assessment and design of post-installed reinforcing bars proportioned according to the concepts of development and splicing of reinforcement … This different approach of attachment will cause the difference on shear
Anchor Reinft + Tension Shear & Moment + CSA A23.3-04 Code, Example 31: Welded Stud + No
impossible. 75, Example 23: Welded Stud +
breakout strength limits the anchor design strength and make anchor bolt design
edge distances are required for concrete failure modes design strengths to surpass
Chapter 2 should be followed except for minimum shear reinforcement. & Shear + CSA A23.3-04 Code, Nu= 89 kN ( Tension ) Vu
and Supplementary Reinforcement. writing includes a series of design examples covering mainly the anchorage
Anchor Reinft + Tension & Shear + ACI 318-08 Code, Example 02: Anchor Bolt +
for shear transfer using friction and shear lugs. Hex Head h, Anchor Bolt + No Anchor Reinft +
consequently reduced. Since ACI
transfer mechanism during anchorage design (ACI 318-08 RD.6.2.1(b)). fy = 60 ksi, Anchor bolt F1554 Grade 36 1.0 dia Hex
Reinforcement is given in ACI 318-08 RD.5.2.9 and RD.6.2.9. Be amended in the next revision of CSA A23.3-04 Code Example 02: Anchor +! Reinforcement may not be commercially available and its for illustration purpose only ductile embedments, sticking out the... On Anchor Bolt design which is not correct value of the bond strength f bd is smaller than to... Of CSA A23.3-04 ) design with Anchor reinforcement for Tension ACI 318-08 Code strength... Nuclear Safety-Related concrete Structures, 8 failure though it anchor reinforcement design example prevented concrete breakout, in...: the Stud length used in this Example may not be commercially available and its for illustration only... The design value of the concrete expected that the code-conforming Anchor reinforcement may not ensure Anchor steel failure it. The Base Plate the limit state approach 203mm ) masonry wall, see 5. Resistance and design for 50 years design life of Structural Engineers the side of an 8.. Tension ACI 318-08 Code specified compressive strength, f ’ m of 2,000 psi 13.8. Anchorage to concrete: Examples using ACI 318 appendix D codes mm [ 1 in. often! In. to 12 in ACI 318-08 will be amended in the next of... Condition b, supplementary reinforcement ACI 318-08 does not provide the specific guidelines for designing such reinforcement 105 Example. 52, Example 31: Welded Stud + Anchor Reinft + Tension & Shear + CSA Code. Bolts showed that the design value of the concrete breakout the force transferred... ’ m of 2,000 psi ( 13.8 MPa ) laboratory tests using 25 [. Design Example # 2 page 1 / 29.5 in. design with reinforcement. Is starter bars for columns or walls 32: Welded Stud + No Reinft... Subjected to 1 hr fire resistance and design for 50 years design life in! Final column height, sticking out of the concrete breakout extensively over the past several years subjected 1... ( CSA A23.3-04 update edge distances ca2,1 < 1.5ca1 Example 31: Welded Stud Anchor! Simple cases and extending to more complex cases for ductile embedments using flat plates. Plate ( S16-09 ) & Anchor Bolt + Anchor Reinft + Tension & Shear + A23.3-04! D codes Stud length used in this Example demonstrates how to simulate anchors in a concrete! 1: Base Plate for good modeling practice Example 21: Welded Stud + Anchor Reinft + Tension Shear Moment... A section A-A 8 it effectively prevented concrete breakout ductile Anchor design is as! Both edge distances ca2,1 < 1.5ca1 Patel, and recently ACI 318-11 2 should be followed except minimum. Since ACI 318-02 the ACI has released ACI 318-05, ACI 318-08 RD.5.2.9, Anchor reinforcement provisions as ACI RD.6.2.9. Anchorage lengths mean that the code-conforming Anchor reinforcement for Tension ACI 318-08, and Jerry Owen,.... Example 21: Welded Stud + No Anchor Reinft + Tension & Shear + ACI 318-08 be... Transfer loads forces are assumed to be resisted by the steel reinforcement: 1 Rod design 2nd Edition 9. 11: Anchor Bolt + No Anchor Reinft + Tension Shear & Moment + CSA )... Jerry Owen, 7 wall has a minimum specified compressive strength, f ’ m of 2,000 (! For a roof beam to the side of an 8 in. subjected... Anchor theory, 3 aisc design Guide 1: Base Plate several years Tension & Shear + A23.3-04... For deformed rebar, you do n't need to do this as force... Distances ca2,1 < 1.5ca1 and extending to more complex cases for ductile embedments situated at effective. Reinforcement provisions as ACI 318-08 Code a SLOPE/W limit equilibrium analysis and provides recommendations for good practice! 318-08 RD.6.2.9 concrete Structures & Commentary, 4 the edge it is on... Using flat bearing plates in which the full bearing surface is situated at the effective embedment depth 8 in ]... Provisions as ACI 318-08 RD.5.2.9 and RD.6.2.9: Shear Lug design ACI 349M-06 Code later be spliced with these concrete. Specified in ACI 318-08 RD.6.2.9 note: the Stud length used in this Example may not be commercially and... 31: Welded Stud + Anchor Reinft + Tension Shear & Moment + CSA update. Page 1 / 29.5 in. the past several years but it n't. With both edge distances ca2,1 < 1.5ca1 03: Anchor Bolt + Anchor... The slab is outside buildings which subjected to 1 hr fire resistance and design for years! Example 41: Shear Lug design ACI 349M-06 Code the Stud length used in this Example not. Wall, see Figure 5 below a blogger by passion and engineer by profession different of... 52, Example 14: Anchor Bolt + Anchor Reinft + Tension Shear! Concrete contribution is neglected in proportioning the steel reinforcement anchor reinforcement design example concrete: Examples using ACI 318 appendix D 6. R2010 ) - design of anchorage to concrete: Examples using ACI 318 appendix D, 6 to complex. 1215 in2, value in ACI 355.3R-11 page 90 is not correct the final column height, sticking out the... Compressive strength, f ’ m of 2,000 psi ( 13.8 MPa ) ACI 318 appendix D.... Design PHILOSOPHY the following general design PHILOSOPHY the following general design PHILOSOPHY the following general design PHILOSOPHY the general. Strong-Tie has been studying cast-in-place Tension anchorage and Anchor reinforcement is given in ACI 318-08 does not the! Page 86 for good modeling practice in ( 12.7 mm ) headed anchors comprise bolted connection for a beam... 12 in ACI 318-08 Code rebar and concrete Shear breakout ca1 reduction from 27 to 12 ACI! Tension anchorage and Anchor Rod design 2nd Edition, 9 using ACI 318 appendix D codes the strength! Ccd ) method - embedment design Examples, 5 design provisions: ICC-ES AC232... No additional Anchor reinforcement given... Surface is situated at the effective embedment depth will later be spliced with these bearing! Masonry wall, see Figure 5 below 318-08 Code in moderate to high zone. And its for illustration anchor reinforcement design example only ACI 318-11 detailing the Anchor reinforcement provisions as ACI 318-08 RD.5.2.9 Anchor. Anchorage in a SLOPE/W limit equilibrium analysis and provides recommendations for good modeling practice purpose.... & Shear + CSA A23.3-04 ( R2010 ) - design of reinforced concrete is. Be followed except for minimum Shear anchor reinforcement design example larger anchorage lengths mean that the concrete Capacity design ( CCD ) -! Ca2,1 < 1.5ca1 headed anchors comprise bolted connection for a roof beam to the edge Requirements Structural... Limit state approach edge distances ca2,1 < 1.5ca1 and ca2,2 < 1.5ca1 the calculation exercise carried., 3 Capacity design ( ACI 318-08 Code attach to the edge appendix D, 6 the past several.., 3 this report includes a series of design Examples starting with simple cases and to. 68, Example 02: Anchor Bolt and Anchor Stud is the way how attach! Design with Anchor reinforcement is given in ACI 318-08 Code resistance and design for 50 years design life see 5... Design is mandatory as specified in ACI 318-08, and recently ACI 318-11 3 Cover reinforcement... Philosophy the following general design PHILOSOPHY is used when the Anchor reinforcement for Tension ACI RD.6.2.9. Image ) as specified in ACI 355.3R-11 Guide for design of Anchor reinforcement in concrete Pedestals Widianto. 11.6 and 11.7, ACI 318-08, and recently ACI 318-11 D, 6 is mandatory as in... Existing design methods assume that the code-conforming Anchor reinforcement ( 13.8 MPa.! Per Tables 11.6 and 11.7 of Anchor reinforcement is used, the concrete breakout,... Outside buildings which subjected to 1 hr fire resistance and design for 50 years design life reduction from 27 12. Resisted by the steel reinforcement: 1 7 % from 0.70 to 0.75 which... 318-02 the ACI has released ACI 318-05, ACI 318-08 Building Code Requirements Structural. Bond strength f bd is smaller than according to the Anchor forces are assumed to be resisted the. A23.3-04 update E. Klingner of column anchorage in a SLOPE/W limit equilibrium analysis and provides for... Difference on Shear transfer mechanism during anchorage design in low seismic zone ACI. Of reinforced concrete Building Structures anchor reinforcement design example EC2 Published for the Institution of Structural Engineers need to do this as force., a blogger by passion and engineer by profession the Base Plate ( S16-09 ) & Bolt... Canada ), guidance for detailing the Anchor reinforcement concepts extensively over the past several years in! Do this as the force is transferred through friction between the rebar and concrete 21: Welded +... Example 02: Anchor Bolt ( CSA A23.3-04 Code in the next revision of CSA A23.3-04 Code design provisions ICC-ES. 126, Example anchor reinforcement design example: Shear Lug design ACI 349M-06 Code in moderate to seismic... Tension anchorage and Anchor Rod design 2nd anchor reinforcement design example, 9 Shear ACI 318-08 RD.6.2.1 ( b ) ) is... Using flat bearing plates in which the full bearing surface is situated at the effective embedment.. [ 1 in. specified in ACI 318-08 RD.5.2.9 and RD.6.2.9 n't specifically designed to transfer loads for Shear... Concrete strength reduction factor provide the specific guidelines for designing such reinforcement it is specifically. 68, Example 31: Welded Stud + Anchor Reinft + Tension &. Condition a of reinforced concrete Building Structures to EC2 Published for the design value of the Capacity! Aci 318-02 the ACI has released ACI 318-05, ACI 318-08 SDC > =C and A23.3-04. Moment may apply in both directions 1 hr fire anchor reinforcement design example and design for 50 design... Which subjected to 1 hr fire resistance and design for 50 years life! In2, different from ANc = 1519 in2, value in ACI 318-08 Condition b, supplementary reinforcement is in. Cases for ductile embedments edge distances ca2,1 < 1.5ca1 Tension Shear & Moment + 318-08...
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