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a review of xray computed tomography of concrete and

a review of xray computed tomography of concrete and

A review of X-ray computed tomography of concrete and ...

Feb 28, 2019  1. Introduction1.1. Background. X-ray computed tomography (CT) and micro computed tomography (microCT) has been used for non-medical materials analysis for a number of years, with

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A review of X-ray computed tomography of concrete and ...

A review of X-ray computed tomography of concrete and asphalt construction materials. ... Highlights • The use of X-ray microCT for concrete and asphalt building materials is reviewed. ... but the use of non-destructive X-ray micro computed tomography is still widely under-estimated and the capabilities not yet fully appreciated. This review ...

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A review of X-ray computed tomography of concrete and ...

Review A review of X-ray computed tomography of concrete and asphalt construction materials Anton du Plessisa,b,⇑, William P. Boshoffc a Stellenbosch University CT Facility, Stellenbosch University, South Africa bPhysics Department, Stellenbosch University, South Africa cDepartment of Civil Engineering, Stellenbosch University, South Africa highlights The use of X-ray microCT for concrete ...

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Multiscale X-ray tomography of cementitious materials: A ...

Feb 01, 2020  X-ray computed tomography operates in-situ on samples with preparation kept to a minimum, and delivers three-dimensional images. Owing to the ability of x-rays to pass through thick, opaque objects, x-ray computed tomography

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Multiscale X-ray tomography of cementitious materials: A ...

Feb 01, 2020  X-ray computed tomography operates in-situ on samples with preparation kept to a minimum, and delivers three-dimensional images. Owing to the ability of x-rays to pass through thick, opaque objects, x-ray computed tomography is particularly well suited to the investigation of cementitious materials.

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Using X-ray computed tomography to study paving materials

provides a detailed review of X-ray computed tomography applications in characterising asphalt concrete and also describes preliminary studies conducted at the Center for Nondestructive Evaluation (CNDE) at Iowa State University for characterising asphalt and concrete materials using X-ray microcomputed tomography or micro-computed tomography.

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Evaluation of Concrete Elements with X-Ray Computed Tomography

Main Journal of Materials in Civil Engineering Evaluation of Concrete Elements with X-Ray Computed Tomography Journal of Materials in Civil Engineering 2018 / 09 Vol. 30; Iss. 9 Evaluation of Concrete Elements with X-Ray Computed Tomography

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Multiscale X-ray tomography of cementitious materials: A ...

X-ray computed tomography operates in-situ on samples with preparation kept to a minimum, and delivers three-dimensional images. Owing to the ability of x-rays to pass through thick, opaque objects, x-ray computed tomography is particularly well suited to

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Simple and fast porosity analysis of concrete using X-ray ...

Keywords X-ray computed tomography Pore size distribution Image analysis 1 Introduction A recent review article discusses the many potential applications of X-ray CT in materials sciencesand the potential of the method for quantitative analysis, especially also for porosity analysis [15]. A good overview of porosity analysis by X-ray CT for

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(PDF) X-ray computed tomography proof of bacterial-based ...

X-ray computed tomography proof of bacterial-based self-healing in concrete. Cement and Concrete Composites, 2014. Dewanckele Jan

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X-ray computed tomography characterisation of concrete ...

Sep 02, 2013  This video shows the data processing that can be applied to X-ray computed tomography data obtained from concrete specimens.X-ray Computed Tomography (XCT) h...

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Research progress on cement-based materials by X-ray ...

Mar 13, 2020  X-ray computed tomography (CT), as an imaging technique, has played an important role in the area of material characterization in civil engineering during the past 40 years. It has promoted the investigation of materials from the macroscopic testing to the microscopic characterization. Though numerous researches have been done by using X-ray CT technique to investigate the microstructure,

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X-ray computed tomography Nature Reviews Methods Primers

Feb 25, 2021  X-ray computed tomography (CT) can reveal the internal details of objects in three dimensions non-destructively. In this Primer, we outline the

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Tomography of reinforced concrete - Chandrasekaran - 2019 ...

Jun 26, 2019  Tomography imaging an object is by taking measurements from slice of xy‐planes or cross sections. Nondestructive mapping of the internal structures of a concrete member is a solid body, including intrinsic complexity and anisotropy of the section phase,

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Xray CT for Geomaterials: Soils, Concrete, Rocks ...

Oct 06, 2004  X-ray Computed Tomography (CT) scanning has been widely used for medical diagnosis. This technique is now attracting increasing interest as a tool in non-destructive testing in engineering. This book reports the early results of research into this application, with particular reference to deformation and failure of geomaterials. Presenting papers of the International Workshop on X-CT

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X-ray Computed Microtomography technique applied for ...

Apr 01, 2018  The X-ray computed microtomography was developed based on the traditional tomography, however it was focused in small samples analysis. The literature shows that the studies regarding pore microstructure analysis of cementitious composites using this technique are recent.

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Review of X-ray and computed tomography scan findings with ...

Review of X-ray and computed tomography scan findings with a promising role of point of care ultrasound in COVID-19 pandemic World J Radiol. 2020 Sep 28;12(9):195-203. doi: 10.4329/wjr.v12.i9.195. Authors Darshan Gandhi ...

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Using X-ray computed tomography to study paving materials

provides a detailed review of X-ray computed tomography applications in characterising asphalt concrete and also describes preliminary studies conducted at the Center for Nondestructive Evaluation (CNDE) at Iowa State University for characterising asphalt and concrete materials using X-ray microcomputed tomography or micro-computed tomography.

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X-ray-induced acoustic computed tomography of concrete ...

Feb 08, 2018  X-ray-induced Acoustic Computed Tomography (XACT) takes advantage of both X-ray absorption contrast and high ultrasonic resolution in a single imaging modality by making use of the thermoacoustic effect.

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Evaluation of Concrete Elements with X-Ray Computed Tomography

Main Journal of Materials in Civil Engineering Evaluation of Concrete Elements with X-Ray Computed Tomography Journal of Materials in Civil Engineering 2018 / 09 Vol. 30; Iss. 9 Evaluation of Concrete Elements with X-Ray Computed Tomography

get price

Multiscale X-ray tomography of cementitious materials: A ...

X-ray computed tomography operates in-situ on samples with preparation kept to a minimum, and delivers three-dimensional images. Owing to the ability of x-rays to pass through thick, opaque objects, x-ray computed tomography is particularly well suited to

get price

Simple and fast porosity analysis of concrete using x-ray ...

X-ray computed tomography is a well-known technique to measure porosity in materials such as concrete, though this usually involves time consuming scans and complex analysis procedures. Many of these involve custom software or programming procedures.

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(PDF) X-ray computed tomography proof of bacterial-based ...

X-ray computed tomography proof of bacterial-based self-healing in concrete. Cement and Concrete Composites, 2014. Dewanckele Jan

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X-ray computed tomography for additive manufacturing:

Jan 06, 2016  Topical Review 2 instances over time of their combined use, as well as the future work required to further establish both technologies, will be discussed in this review. 1.1. The principles of x-ray computed tomography X-ray computed tomography is a method of forming three-dimensional (3D) representations of an object by taking

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Micro X-ray computed tomography image-based two-scale ...

Accepted by Construction and Building Materials *Corresponding author: Prof. Z Yang, Email: [email protected] Micro X-ray Computed Tomography Image-based Two-scale Homogenisation of Ultra High Performance Fibre Reinforced Concrete A. Qsymah1,5, R. Sharma2, Z. Yang*3,4, L. Margetts1 and P. Mummery1 1 School of Mechanical, Aerospace and Civil Engineering, University of

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The relationship between roller compacted concrete ...

compacted concrete Pavement (RCCP) exposed to freeze - thaw conditions and the characteristics of the air void obtained by X - ray computed tomography (CT). For this purpose, eight RCCP designs with four water to cement ratios of 0.35, 0.4, 0.45 and 0.5 were prepared using two compaction methods including vibrating table and vibrating hammer.

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X-ray computed tomography - PubMed

X-ray computed tomography (CT), introduced into clinical practice in 1972, was the first of the modern slice-imaging modalities. To reconstruct images mathematically from measured data and to display and to archive them in digital form was a novelty then and is commonplace today. CT has shown a stea

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Characterization of Coloured Gemstones by X-ray Micro ...

X-ray micro computed tomography (micro-CT or μCT) is proposed as a relatively low cost, physically non-destructive and complementary method to detect and quantify clarity enhancement and also to provide a unique 3D fingerprint of each gemstone.

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