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Changes to Anchor Provisions and Development Length Equations in ACI 318-19

by John Silva, PE, SE, F.ACI, F.SEI

March 3, 2021; 11:00 AM - 1:00 PM Pacific Time

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ICC Preferred Provider #1467
ICC Preferred Provider Course Number: 27007

Receive a 15% discount on any of our products when purchased with a seminar registration.

Seminar Description

In this webinar, Mr. Silva will address important changes to the anchorage provisions in ACI 318-19, including the addition of provisions for shear lugs and screw anchors. In addition, he will discuss the general topic of how the 318 code distinguishes development length from anchorage.


  • Chapter 17 reorganization
  • Inspection provisions
  • Screw anchor provisions
  • Shear lug provisions
  • Anchorage and development length
  • Recent investigations into anchorage problems
The views and opinions expressed in this seminar are those of the speaker(s) and do not necessarily reflect those held by S. K. Ghosh Associates LLC.

Speaker Bio

John Silva is a senior director with Hilti North America engaged in standards development. He is a licensed civil and structural engineer in California (S3181), a Fellow of the Structural Engineering Institute, the American Concrete Institute, and SEAOC. He is the current President of the Concrete and Masonry Anchor Manufacturers Association (CAMA). Over the past three decades, Mr. Silva has served on numerous committees addressing seismic design and anchorage and has conducted earthquake reconnaissance following major earthquakes in California, Chile, New Zealand, Japan and Haiti. He chaired Task Committee 8 (Nonstructural Components) as part of the Seismic Subcommittee of ASCE 7 during the development of ASCE/SEI 7-10 and ASCE/SEI 7-16 and currently serves on the NEHRP Provisions Update Committee and on the Seismic Subcommittee of ASCE 7. He also chairs ACI 349-C (Nuclear Anchorage) and is a voting member on several code-related ACI committees. Mr. Silva is a co-author of the text Anchorage in Concrete Construction (2006 Ernst & Sohn, 378 pp.)

Registration Information

1 Connection Each Additional Connection
Early Registration Discounted Fee* $260 $60
Regular Fee $275 $65
* Registration on or before January 17, 2021

Please note a single registration allows you to have one connection. However, a number of people can view and listen to the seminar using one connection by using an LCD projector (or a large computer monitor) and good computer speakers or a speaker phone.

All attendees, irrespective of the number of registered connections, can earn 0.2 Continuing Education Units (CEUs) or 2.0 professional development hours (PDHs). CEU/PDH certificates are provided free of charge.

Small Business Registration

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Small Business Benefits and Eligibility


  • A connection is defined as a single web connection plus a single telephone connection (if necessary). If you want to sign up for more than one connection for this seminar, you will have the opportunity to do so after placing the seminar in your cart.
  • A $15 fee will apply if the seminar registrant wishes to revise the web seminar registration (e.g. switch from one web seminar to another).
  • Refunds are limited to 80 percent of fee and must be applied for in writing WITHIN THIRTY DAYS after the scheduled seminar.
  • We are a registered provider for continuing education in the State of Florida (Provider # 4732), the State of New York (Provider # 99), the State of New Jersey (Provider # 24GP00014200), the State of Maryland, and for the Structural Engineers Certification Board (SECB) of the National Council of Structural Engineers Associations (NCSEA).