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Paper Awards-Published in 2020

Wednesday, October 20, 2021  4:00 PM - 6:00 PM

Awarded authors of papers published in 2020 will present winning papers. Awarded categories include: the ACI Concrete International Award, the ACI Symposium Volumes Award, the Mete A. Sozen Award for Excellence in Structural Research, the Wason Medal for Materials Research, and the Wason Medal for Most Meritorious Paper.
Learning Objectives:
(1) Review extreme loads on offshore concrete structures;
(2) Discuss seismic behavior of double-beam coupling beams (DBCB);
(3) Identify the framework to model ordinary portland cement (OPC)/supplementary cementitious materials (SCM) systems using thermodynamic/kinetic modeling principles;
(4) Explain the new concept of particle compliance with respect to freezing-and-thawing of concrete;
(5) Learn about how including the minimum temperature/shrinkage reinforcing in a slab-on-ground can impact serviceability and value.

This session has been approved by AIA and ICC for 2 PDHs (0.2 CEUs). 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.

ACI Concrete International Award - Concrete Q & A: Design and Construction of Slabs-on-Ground

Presented By: Scott Tarr
Affiliation: North S.Tarr Concrete Consulting, P.C.
Description: This presentation will present the discussion items from the article as this was a series of questions submitted to ACI (Concrete International) by a reader regarding the requirements of ACI 318 and they are often misunderstood.

ACI Symposium Volumes Award - Hebron Offshore Concrete Gravity-Based-Structure: Novel Design and Construction Techniques

Presented By: Widianto Widianto
Affiliation: ExxonMobil
Description: This presentation covers the development of extreme loads on the GBS such as 10,000-years iceberg impact and wave loads. It also describes novel design and construction techniques used, which resulted in a capital-efficient platform.

Mete A. Sozen Award for Excellence in Structural Research - Analysis and Design of Double-Beam Coupling Beams (DBCB)

Presented By: Shih-Ho Chao
Affiliation: University of Texas at Arlington
Description: This presentation will summarize the seismic force resisting mechanisms of Double-Beam Coupling Beam (DBCB), its advantages, reinforcement details, and experimental results.

Wason Medal for Materials Research - Non-Equilibrium Thermodynamic Modeling Framework for Ordinary Portland Cement/Supplementary Cementitious Material Systems

Presented By: O Burkan Isgor
Affiliation: Oregon State University
Description: This presentation will identify the use and limitations of thermodynamic calculations to model cementitious reactions and inform combine reactions kinetics to thermodynamic calculations.

Wason Medal for Most Meritorious - Compliance Concept in Protection of Concrete from Freezing-and-Thawing Damage

Presented By: Emmanuel K. Attiogbe
Affiliation: CEM Innovations, LLC
Description: The presentation will discuss a new concept of particle compliance with respect to particle additives that form annulus voids when concrete freezes. The discussion will show how such concept is combined with spacing factor and protected paste volume concepts to provide a unified basis for analyzing either air-void systems or annulus-void systems that protect concrete from freezing-and-thawing damage.

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