The Development of the Strength Index Method and Protocol for Assessing the Use of Solid Waste Materials in Concrete
Burley, Laurence Albert, Jr
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https://hdl.handle.net/2142/83474
Description
Title
The Development of the Strength Index Method and Protocol for Assessing the Use of Solid Waste Materials in Concrete
Author(s)
Burley, Laurence Albert, Jr
Issue Date
1999
Doctoral Committee Chair(s)
Struble, Leslie J.
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
The reactivity of the sludge ashes, as measured by the SIM showed that the sludge ashes in this study can be classified as reactive using the 28 day index values. Concrete containing sludge ash generally exhibited less compressive strength and modulus of elasticity when compared to concrete containing 100% portland cement (control) at all test ages. The stress-strain relationship for the BP and CR concretes were not as stiff as the control concrete but DU and LM concretes exhibited equivalent stiffness as the control concrete. All concrete specimens exceeded the minimum freeze-thaw requirements for durable concrete as tested under ASTM C 666. Concrete mixes containing sludge ash passed the toxicity leaching test and provide economic benefits to the producer and user.
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