Dynamic Measurements for Determining Poisson’s Ratio of Young Concrete-Reference-Cited by-同舟云学术

Dynamic Measurements for Determining Poisson’s Ratio of Young Concrete

Published:2018-06-01 Issue:1 Volume:58 Page:95-106
ISSN:2545-2819
Container-title:Nordic Concrete Research
language:en
Short-container-title:

Author:

Ahmed Lamis¹

Affiliation:

1. Ph.D., Assistant Professor, KTH Royal Institute of Technology, Division of Concrete Structures , SE-100 44 STOCKHOLM , Sweden

Abstract

Abstract Knowledge of the elastic properties of concrete at early age is often a pre-requisite for numerical calculations. This paper discusses the use of a laboratory technique for determining Poisson’s ratio at early concrete age. A non-destructive test set-up using the impact resonance method has been tested and evaluated. With the method, it has been possible to obtain results already at 7 hours of concrete age. Poisson’s ratio is found to decrease sharply during the first 24 hours to reach a value of 0.08 and then increase to approximately 0.15 after seven days.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/ncr-2018-0006

Reference11 articles.

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2. 2. Anson M & Newman K: “The Effect of Mix Proportions and Method of Testing on Poisson’s Ratio for Mortars and Concretes,” Magazine of Concrete Research, Vol. 18, No. 56, September 1966, pp. 115-130.10.1680/macr.1966.18.56.115

3. 3. Byfors J: “Plain Concrete at Early Ages,” Research Fo 3:80, Swedish Cement and Concrete Institute, Stockholm, 1980, 464 p.

4. 4. Mesbah H A, Lachemi M & Aitcin P-C: “Determination of Elastic Properties of High-Performance Concrete at Early Ages,” ACI Material Journal, Vol. 99, No.1, January 2002, pp. 37-41.

5. 5. Oluokun F A, Burdette E G & Deatherage J H: “Elastic Modulus, Poisson’s Ratio and Compressive Strength Relationship at Early Ages,” ACI Journal, Vol. 88, No.1, January 1991, pp. 3-10.

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