SYMPOSIA PAPER Published: 01 January 1996
STP14118S

Using Mixture Experiments to Develop Cementitious Waste Forms

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Mixture experiments are presented as a means to develop cementitious waste forms. The steps of a mixture experiment are (1) identifying the waste form ingredients; (2) determining the compositional constraints of these ingredients; (3) determining the extreme vertices, edge midpoints, and face centroids of the constrained multidimensional volume (these points along with some interior points represent the set of possible compositions for testing); (4) picking a subset of these points for the experimental design; (5) measuring the properties of the selected subset; and (6) generating the response surface models. The models provide a means for predicting the properties within the constrained region. This article presents an example of this process for one property: unconfined compressive strength.

Author Information

Spence, RD
Oak Ridge National Laboratory, managed by Martin Marietta Energy Systems, Inc.
Anderson, CM
Pacific Northwest Laboratory
Piepel, GF
Pacific Northwest Laboratory
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Details
Developed by Committee: D34
Pages: 251–271
DOI: 10.1520/STP14118S
ISBN-EB: 978-0-8031-5318-9
ISBN-13: 978-0-8031-1443-2