Testing of Holes in Concrete Using Gamma Radiography

NCUIR > Engineering College > Graduate Institute of Civil Engineering > journal & Dissertation > Item 987654321/26287

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/26287

Title:	Testing of Holes in Concrete Using Gamma Radiography
Authors:	Peng,PC;Chen,MC;Lin,CH;Chi,CY;Wang,CY
Contributors:	土木工程研究所
Keywords:	X-RAY
Date:	2009
Issue Date:	2010-06-29 17:10:00 (UTC+8)
Publisher:	中央大學
Abstract:	Due to complex material and nonuniform characteristics of reinforced concrete members, practical obstacles exist when conducting nondestructive testing for determination of the position of holes in concrete. This paper discusses how to use gamma-rays to penetrate concrete and project images of internal structures and holes/discontinuities on film. By analyzing the geometry of projected images on the film, the size and position of holes in concrete members can be obtained. Referring to gamma-ray exposure curves on reinforced concrete structures, this paper also establishes a relation of gamma-ray sources and thicknesses of concrete to calculate the gamma-ray exposure time. It will help inspectors and engineers to effectively estimate the quality of reinforced concrete structures.
Relation:	MATERIALS EVALUATION
Appears in Collections:	[Graduate Institute of Civil Engineering] journal & Dissertation

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