Impact-Echo Based Nondestructive Evaluation of Grout Condition in Post-Tensioned Bridge Ducts

Abstract:

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The field of Nondestructive Evaluation (NDE) is a very broad, interdisciplinary field that plays a critical role in civil engineering for controlling new structures (quality control) as well as for assessing the internal grout condition of prestressed pipes in post-tensioned concrete structures. Because it allows voids in grouted tendon ducts to be inspected and measured without damaging them, impact-echo based NDE provides an excellent balance between quality control and cost-effectiveness. This paper focuses on the nondestructive evaluation of internal injection quality in post-tensioned bridge ducts, and the developments in civil engineering NDE in China are also introduced.

Info:

Periodical:

Advanced Materials Research (Volumes 168-170)

Edited by:

Lijuan Li

Pages:

1122-1125

DOI:

10.4028/www.scientific.net/AMR.168-170.1122

Citation:

Z. F. Wang and X. Y. Zhou, "Impact-Echo Based Nondestructive Evaluation of Grout Condition in Post-Tensioned Bridge Ducts", Advanced Materials Research, Vols. 168-170, pp. 1122-1125, 2011

Online since:

December 2010

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Price:

$35.00

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