Sessions & Events

 

All sessions and events take place in Central Daylight Time (CDT).
All events take place at the Hyatt Regency New Orleans.

On-demand sessions will be available for viewing in the convention platform/event app under "On-Demand Content" within 24-48 hours of the session premiere. Please note, on-demand sessions are not available for CEU credit. *Denotes on-demand content.


MINI SESSION: Behavior and Design of Dapped Tee Ends

Monday, March 25, 2024  12:30 PM - 1:30 PM, Strand 10B

WJE and North Carolina State University have carried out two PCI-sponsored research projects to better understand the highly coupled behavior and competing failure mechanisms of dapped double tees, which are ubiquitous in pre-tensioned structures across the country and around the world. Through an extensive suite of non-linear finite element analyses and full-scale destructive load testing of more than 40 dapped ends, design provisions in the PCI Design Handbook have been re-worked to provide a rational design basis. The presenters will discuss dapped end behavior and lessons learned.

Learning Objectives:
(1) Describe the behavior and design of dapped ends of prestressed concrete thin-stemmed members based on experimental program conducted to develop design guidelines for dapped ends;
(2) Proposal several modified design practices for dapped double tees are recommended, and propose recommendations for control of cracking in the end region;
(3) Develop rational methodologies for proportioning key reinforcement in dapped end double tees
(4) Develop standard details that have been rigorously viewed by industry experts and have proven to be effective by extensive analyses and tests.

This session has been approved by AIA and ICC for 1 PDH (0.1 CEU). Please note: You must attend the live session for the entire duration to receive credit. On-demand sessions do not qualify for PDH/CEU credit.


Behavior and Design of Dapped Tee Ends

Presented By: Gary Klein
Affiliation: Wiss, Janney, Elstner Associates, Inc.
Description: The presentation will discuss the behavior of dapped ends of prestressed concrete thin-stemmed members based on an extensive experimental program conducted to identify the most effective reinforcement schemes and develop design guidelines for dapped ends.

Upper Level Sponsors

ACI Northern California and Western Nevada Chapter
Baker
Conseal
Euclid Chemical
FullForce Solutions
Master Builders
Natural Resources Research Institute - University of Minnesota
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