Concrete with Little or No Shrinkage, Cracking and Curling
This presentation will cover a great many topics that affect the
shrinkage, cracking and curling of concrete. Typical concrete shrinks
about 0.06%. In this presentation the emphasis for the concrete mix
design will be on reducing the shrinkage to 0.04%, 0.02% or even 0.00%
by the use of the proper coarse aggregate size & quantity and by the use
of shrinkage reducing & shrinkage compensating admixtures. We will cover
how to write a spec to achieve these low shrinkage percentages.
We will also look at what happens after the concrete is placed, including
the use of an evaporation retarder, proper curing, joint layout, sawcutting, etc.
There are many tests that are typically run on the concrete at the
jobsite and in the weeks following, but none of them tell us right
there at the job site in real time if concrete is likely to shrink,
crack and curl. We will cover the one job site test method that will
provide that critical information immediately.
Cost:
- $225 –NCSEA member
- $250 – SEI/CASE member
- $275 – non-member
- FlexPlan option available
Several people may attend for one connection fee.
This course will award 1.5 hours of continuing education.
The times will be 10:00 am Pacific, 11:00 am Mountain, 12:00 pm Central, and 1:00 pm Eastern
| Approved in All 50 States |
David Flax Bio
Dave Flax of The Euclid Chemical Company has a Civil Engineering Degree from RPI
and over 35 years experience as a field engineer, a contractor, and a researcher
with the Corps of Engineers. He has earned his CDT and CCPR from CSI. He has
specialized in concrete and has had dozens of articles published. He was awarded
the Extra Yard Award by the SCCP for his 30+ years of service to the concrete
industry. He is on a number of national organization committees including the
“Guide Specifications Committee". He has spoken on this topic and others at
The World of Concrete.
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