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Sponsored by Lorman Education
Product ID: 405929EAU
Credit & Course Provided by:

Concrete Fastener and Anchor Installation Best Practices

OnDemand Webinar (58 minutes)

Review some anchorage to concrete basics and explore the basis of the Code provisions.Anchorage to concrete was introduced to us in ACI 318-02 through Appendix D. Prior to its formal codification, the subject was treated through several sources: the model codes (UBC, BOCA, etc.), ACI 349 (Nuclear Structures Code), and the PCI Design Handbook. These sources considered only cast-in-place anchors in uncracked concrete. Post-installed anchor design was left to the anchor manufacturers and their catalog tables - some more comprehensive than others. Present Code design of anchors is contained in Chapter 17 of ACI 318-19. Anchorages are usually non-redundant connections, and the consequences of failure can be high. This course will review some anchorage to concrete basics and explore the basis of the Code provisions. After 20 years of Code anchor design, this material will highlight some best practices for design and installation, based on issues seen in practice and on actual project sites. Proper application of the Code provisions is paramount to a successful anchor installation that performs as designed.


Neal Anderson, Simpson Gumpertz & Heger R. Brett Holland, Ph.D., P.E., S.E., Simpson Gumpertz & Heger Inc


Why Is Anchorage to Concrete Important?

Recognize the Different Types of Anchors

• Cast-in-Place Anchor

• Post-Installed Mechanical Anchors

• Adhesive Anchors

• Concrete Screw Anchors

Discuss Behavioral Background in Tension and Shear

• Review Failure Modes

• ACI 318 Strength Is a Lower-Bound Solution

• Geometric Constraints in Tension

• Geometric Constraints in Shear

Design Best Practices

• Anchorage vs. Development ~ Don'T Game the Code

• Mathematical Model vs. Real Behavior

• Load Path (Engineering Judgement)

• Software Comments

Installation Best Practices

• Mechanical Anchors

• Adhesive Anchors