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Title:Non-Contact NDT of Concrete Structures Using Air -Coupled Sensors
Author(s):Zhu, Jinying
Doctoral Committee Chair(s):Popovics, John
Department / Program:Civil and Environmental Engineering
Discipline:Civil and Environmental Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Engineering, Civil
Abstract:The second application is air-coupled impact-echo. Two reinforced concrete slabs containing different types of defects were inspected using an air-coupled impact test testing scheme. 2-D scanning impact-echo tests were conducted over the slab containing voids and delaminations. The 2-D scanning image clearly shows the location and depths of embedded defects. Air-coupled impact-echo is also applied to examine the grouting condition of embedded ducts. The poorly-grouted sections are identified within the metal duct.
Issue Date:2006
Type:Text
Language:English
Description:107 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006.
URI:http://hdl.handle.net/2142/83296
Other Identifier(s):(MiAaPQ)AAI3223768
Date Available in IDEALS:2015-09-25
Date Deposited:2006


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