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Nebraska Chapter ACI page 4


Spring is right around the corner and we have just shuffled the committee chairs. I have filled out the spring breakfast seminar schedule and have a few ideas for the fall. I will continue our tradition of bringing you informative and educational speakers and topics.

Steve Wobken ACI NE Program Committee Chair

First up on February 24th, we have Jack Gibbons from the Concrete Reinforcing Steel Institute. Jack’s topic will be “High Performance Concrete.” On March 25th we will have William R. "Rusty" Owings III, AIAA, Technical Services Manager, Ash Grove KC Concrete Group. Rusty will speak on the National Ready Mix Association’s program P2P- Prescriptive to Performance Specifications. On April 2nd the national tour of Changes in 318-08 Building Code comes to Omaha. We finish up the spring on May 12th with Repair Materials by a representative of Ash Grove Packaging.

The fall is still open at this point. I have a couple ideas I’m working on, but welcome any and all suggestions. We are here to serve the chapter. Any ideas you have please feel free to contact me at steve.wobken@ashgrove.com or 402/429-2807.

Spring Golf…

Mark your calendars!

ARBOR LINKS Nebraska City, Nebraska Tee time 11:00 am Tuesday, May 12, 2009

1- Day Seminar Comes to Omaha

When: Where:

April 2nd, 2009 Omaha Marriott 10220 Regency Circle

Overview of Seminar

There are many important changes in ACI 318-08. The licensed design professional is required to assign exposure categories and classes based on the severity of the anticipated exposure of structural members to achieve durability. Requirements are presented to select effective stiffness to determine lateral deflections. A new simple procedure helps determine if compression members are considered braced or unbraced.

Provisions are introduced for design of headed stud assemblies. Design and detailing requirements are correlated with the Seismic Design Categories in the IBC. Use of high strength confining steel is permitted to help reduce congestion. The beneficial effect of supplementary reinforcement and anchor reinforcement on the capacity of anchors is quantified.

For more information go to www.cement.org under conventions and events.

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