Sessions & Events


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Shrinkage-Compensating Concrete Design and Research in Memory of Edward K. Rice

Monday, October 18, 2021  4:00 PM - 6:00 PM

The objective of this session is to introduce the latest design guide for shrinkage compensating concrete.
Learning Objectives:
(1) Disseminate the latest design and construction practices for shrinkage compensating concrete;
(2) Discuss the latest research concerning shrinkage compensating concrete;
(3) Expand the use and understanding of shrinkage compensating concrete;
(4) Explain that concrete cracks are not something a client must live with.

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.


A Life Well Lived

Presented By: Chris Ramseyer
Affiliation: University of Oklahoma
Description: Introduction to the technical session in memory of Edward K. Rice and brief presentation on his life as it relates to shrinkage compensating concrete.


Novel Structural Repair Using Shrinkage Compensating Concrete

Presented By: Royce Floyd
Affiliation: The University of Oklahoma
Description: The presentation will discuss the use of shrinkage compensating concrete to repair damaged prestressed AASHTO bridge girders. The end regions of pretensioned prestressed bridge girders often exhibit deterioration due to water infiltration at leaking deck joints. These areas are subject to high shear forces and may require shear strengthening during repair depending on the level of damage. Fiber-reinforced self-consolidating concrete including shrinkage compensating cement has shown promise as an effective material to repair concrete structures including precast, prestressed bridge beams. In this project, precast beam specimens subjected to shear failure or constructed with damage mimicking corrosion spalling were repaired using fiber-reinforced, shrinkage compensating, self-consolidating concrete and were then loaded to failure. Depending on the design used, the repair was able to restore structural capacity and effectively encapsulate the damaged region to protect from further deterioration.


Crack-Free Bridge Decks and Water Tanks

Presented By: Chris Ramseyer
Affiliation: University of Oklahoma
Description: There are presently over 600 type K bridge decks in the US that are crack free. A survey of the bridges will be presented along with in-situ research on a 6-million-gallon water tank that is also crack free.


Development of a Novel Shrinkage-Compensating Cement

Presented By: Eric Bescher
Affiliation: University of California, Los Angeles
Description: Discussion on the development of a novel shrinkage compensating cement. Including the scientific and economic challenges in the refinement of the material.


Mechanical Restraint of Type K Shrinkage-Compensating Cement

Presented By: Stephen Roswurm
Affiliation: University of Oklahoma
Description: This presentation will discuss if shrinkage-compensating concrete (SCC) made with Type K cement is capable of offsetting the effects of early age drying shrinkage, specifically when the concrete is acted upon by a stiff external restraint. The effect of restraint on SCC is important because this effect resists the expansive behavior that provides shrinkage compensation.


Testing the Effectiveness of Shrinkage-Compensating Concrete

Presented By: Iman Mehdipour
Affiliation: Carbonbuilt
Description: Measuring elements on the order of 10-6 in/in, typical for concrete shrinkage, in a laboratory setting can be difficult. In situ testing of concrete shrinkage has the added complication of variations in temperature and humidity. This discussion will discuss cost effective measures to ensure shrinkage compensation in the field.


Shrinkage-Compensating and Nonshrink Labels on Proprietary Repair Materials – What Do They Mean?

Presented By: Benoit Bissonnette
Affiliation: Laval University
Description: Many proprietary repair materials are described as shrinkage-compensating or nonshrink. In most cases, the manufacturer’s data sheets do not explain the meaning of such terms. Accurate expansion and shrinkage data are essential for selection of shrinkage-compensating materials that will provide durable repairs. This Technote provides clarifications on the actual significance of the labels ‘shrinkage-compensating’ or ‘nonshrink’ found in technical data sheets.

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