New Method for Measuring Static Segregation of Self-Consolidating Concrete

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Volume 35, Issue 3 (May 2007)

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ISSN: 0090-3973
Published Online: 1 October 2006
Page Count: 7

New Method for Measuring Static Segregation of Self-Consolidating Concrete
Shen, L
Ph.D. candidate and Professors, University of Illinois at Urbana-Champaign, IL

Struble, L
Ph.D. candidate and Professors, University of Illinois at Urbana-Champaign, IL

Lange, D
Ph.D. candidate and Professors, University of Illinois at Urbana-Champaign, IL

(Received 10 March 2006; accepted 28 September 2006)

Abstract

To study self-consolidating concrete it is important to be able to characterize segregation resistance. In this paper, a segregation probe is introduced as a simple and fast method for testing static segregation of fresh concrete. The results of the segregation probe tests were verified using image analysis. A mechanics analysis was used to estimate the forces acting on the segregation probe and explain why the thickness of a paste/mortar layer at the surface of the concrete can be measured. Finally, use of the probe to determine robustness is presented.

Keywords:
segregation, segregation probe, self-consolidating concrete, rheology, robustness

Paper ID: JTE100535
DOI: 10.1520/JTE100535
ASTM International is a member of CrossRef.

Author Title New Method for Measuring Static Segregation of Self-Consolidating Concrete Symposium , 0000-00-00 Committee C09

		Home Journals STPs Manuals Topics Subscriptions/Pricing Digital Library / Journals / Journal of Testing and Evaluation (JTE) / Citation Page Volume 35, Issue 3 (May 2007) Click here to download this paper now for $25 PDF (264K) View License Agreement ISSN: 0090-3973 Published Online: 1 October 2006 Page Count: 7 New Method for Measuring Static Segregation of Self-Consolidating Concrete Shen, L Ph.D. candidate and Professors, University of Illinois at Urbana-Champaign, IL Struble, L Ph.D. candidate and Professors, University of Illinois at Urbana-Champaign, IL Lange, D Ph.D. candidate and Professors, University of Illinois at Urbana-Champaign, IL (Received 10 March 2006; accepted 28 September 2006) Abstract To study self-consolidating concrete it is important to be able to characterize segregation resistance. In this paper, a segregation probe is introduced as a simple and fast method for testing static segregation of fresh concrete. The results of the segregation probe tests were verified using image analysis. A mechanics analysis was used to estimate the forces acting on the segregation probe and explain why the thickness of a paste/mortar layer at the surface of the concrete can be measured. Finally, use of the probe to determine robustness is presented. Keywords: segregation, segregation probe, self-consolidating concrete, rheology, robustness Paper ID: JTE100535 DOI: 10.1520/JTE100535 ASTM International is a member of CrossRef. Author Title New Method for Measuring Static Segregation of Self-Consolidating Concrete Symposium , 0000-00-00 Committee C09