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Research
Laboratory
Laboratory Goals
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Conduct applied research for the
benefit of the concrete industry
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Conduct contract testing, and provide
consultative assistance to the concrete industry
Laboratory Credentials
Laboratory Facility
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5000 square
foot all tilt-up concrete building with extensive outdoor test area
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Moist room,
100°F, 140°F controlled rooms, 70°F/50%
Relative Humidity room
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Classroom
area, concrete mixing area, aggregate processing area, ovens
Here are some of the problems we can help you solve
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Interpreting Concrete Specifications
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Optimizing Concrete Mixtures for Durability, Sustainability and
other Requirements
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Material/Product Evaluation
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Improving Concrete Quality
including Testing Quality
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Complying with codes and
standards influencing ready mixed concrete
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Performance based
Specifications
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Developing a quality plan for
producing ready mixed concrete
Members receive a 40% discount, lending significant savings
For more
information or quotes please contact
Stuart Sherman or (240) 485-1173
click here
for the NRMCA Research Lab Brochure
Selected Past Research Projects
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Tests on
concrete admixtures (1945-1959)
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Fly ash in
concrete (1954)
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Portland blast
furnace slag cement in concrete (1959)
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Core tests of
in-place concrete (1960)
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Effect of sand
particle shape on concrete properties (1961-1970)
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Drying
shrinkage of concrete (1962)
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Effect of
curing on compressive strength of concrete (1969)
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Truck mixer
studies for batching sequence and mixing variations (1970-75)
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Uniformity of
fly ash from a single source (1988)
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Testing of
more than 150 aggregate sources nationwide for alkali aggregate
reactions (1994, 1998)
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Use of plastic
returned concrete in ready mixed concrete (1995)
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Use of wash
water in ready mixed concrete (1997)
Selected Past Achievements in Standards Development
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ASTM C94 criteria
on the reuse of mixer wash water
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Use of 4x8 in.
cylinders for strength testing (ASTM C39)
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Precision
statement for the AASHTO microwave oven test
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Tolerance
requirements for high strength concrete testing (ASTM C39)
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Proper use of pad
caps for compressive strength (ASTM C1231)
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Modified moisture
conditioning of cores (ASTM C42)
“Recipient of 1998 Arthur R. Anderson Award, American Concrete Institute”
Selected Recent Research Projects
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Crushed returned concrete as
aggregate
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Optimizing cementitious content
in concrete mixtures
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Higher fly ash concrete with
acceptable performance
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New permeability tests and
performance criteria
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Pervious concrete mixture
proportioning
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Effect of continuous
(well-graded) aggregate grading
Selected Research Reports

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