cambiando de aci 318-99 a aci 318-02 ¿cuáles son las novedades?
ACI 318-02, Appendix D - SEANM. · PDF fileOverview • Adhesive Anchor Design Now •...
Transcript of ACI 318-02, Appendix D - SEANM. · PDF fileOverview • Adhesive Anchor Design Now •...
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ACI 318-11 Appendix D and
Adhesive Anchor Certification
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Overview
• Adhesive Anchor Design Now
• IBC 2012 & Scope of ACI 318-11
• ACI 355.4-11 – What is it?
• ACI/CRSI Adhesive Anchor Certification
• Your Specifications/General Notes
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Adhesive Anchor Design
Now
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Adhesive Anchor Design Now
Adhesive Anchors Must be Designed Using
Strength Design:
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Adhesive Anchor Design Now
Adhesive Anchors Must be Designed Using
Strength Design:
ANCHORAGE TO CONCRETE –
STRENGTH DESIGN
1913.1 Scope. The provisions of this section shall govern the strength design of anchors installed in concrete for
purposes of transmitting structural loads from one connected element to the other. Headed bolt, headed studs and
hooked (J- or L-) bolts cast in concrete and expansion anchors and undercut anchors installed in hardened concrete
shall be designed in accordance with Appendix D of ACI318, provided they are within the scope of Appendix D.
The strength design of anchors that are not within the scope of Appendix D of ACI318…shall be in
accordance with an approved procedure.
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Adhesive Anchor Design Now
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Adhesive Anchor Design Now
Question: How do I design adhesive
anchors? Where do the calculations come
from?
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Adhesive Anchor Design Now
Question: How do I design adhesive
anchors? Where do the calculations come
from?
Answer: ICC-ES AC 308
• Provides criteria for qualifying adhesive
anchors in concrete
• Provides calculations to determine adhesive
anchor capacities in concrete
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2012 IBC & ACI 318-11
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IBC 2012 Section 1909
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ACI 318-11 Appendix D
Scope:
• Cast-In-Place Anchors:
– Headed Studs & Bolts
– Hooked Bolts
• Post-Installed Anchors:
– Expansion Anchors
– Undercut Anchors
– NEW! Adhesive Anchors
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ACI 318-11 Appendix D
Scope:
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ACI 318-11 Appendix D
Qualification of Anchors:
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ACI 355.4-11
Qualification of Anchors:
• Same as AC 308 Minus the Calculations
• Adhesive Can Only be Specified if
Qualified Under ACI 355.4
• How do I know if the Adhesive I Specify
Qualifies Under ACI 355.4?
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ACI 355.4-11
Answer: If it has an ICC-ESR for Concrete
Which Adhesives Qualify for Use in Concrete:
• Simpson ET
• Simpson SET
• Simpson SET-XP
• Hilti HY 150
• Hilti RE 500
• Hilti RE 500-SD
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ACI 355.4-11
Answer: If it has an ICC-ESR for Concrete
Which Adhesives Qualify for Use in Concrete:
• Simpson ET
• Simpson SET
• Simpson SET-XP
• Hilti HY 150
• Hilti RE 500
• Hilti RE 500-SD
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ACI/CRSI
Adhesive Anchor Installation
(AAI) Certification
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AAI Certification Requirement
Some Adhesive Anchors Will Require
Installer to be Certified Prior to Installation:
• What prompted the certification requirement?
• Which adhesive anchors require certification?
• Who will perform this certification?
• What does certification program entail?
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Don’t Design the Next “Big Dig Collapse”:
• 25% Reduction for Overhead Sustained Loads
• Creep Test is Mandatory for Adhesives
• Creep Test is Performed at High Temperatures
• New: AAI Certification Requirement
AAI Certification Requirement
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Adhesive Anchor Installation Certification:
AAI Certification Requirement
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Adhesive Anchor Installation Certification:
AAI Certification Requirement
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Adhesive Anchor Installation Certification:
AAI Certification Requirement
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ACI/CRSI Certification:
• Two-day commitment
• Written Exam and Three Performance Tests
- Vertically Downward
- Overhead with Piston Plug
- Overhead with Retaining Cap
Problems:
• Frequency of Certification Classes
• Convenience of Classes (Location)
• Generic Training
AAI Certification Requirement
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Your Anchor Specifications
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Your Anchor Specifications
Your General Notes or Anchor Specifications
Must, by Code Include:
• Adhesives that Qualify Under ACI 355.4
• Proof Load Test Parameters, Where Required
• Special Inspection Specific to Anchor Type
• Parameters that Affect Adhesive Bond Stress
• ACI/CRSI Certification Requirement or Alternate
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Questions?
Jeff Stoneman, P.E.
Field Engineer
Simpson Strong-Tie Anchor Systems
702-429-4456