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Papers by Nick Buenfeld

Research paper thumbnail of A critical review of the physiological, ecological, physical and chemical factors influencing the microbial degradation of concrete by fungi

Building and Environment, 2022

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Research paper thumbnail of Estimating the swelling ratio of superabsorbent polymers in cement-based materials

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Research paper thumbnail of Development of more accurate methods for determining carbonation depth in cement-based materials

Cement and Concrete Research

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Research paper thumbnail of Real‐time monitoring of carbonation of hardened cement pastes using Raman microscopy

Journal of Microscopy

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Research paper thumbnail of Investigation into the Carbonation of Stabilised/Solidified Synthetic Waste

Environmental Technology, 1998

ABSTRACT A stabilised synthetic waste containing high levels of heavy metals was solidified in th... more ABSTRACT A stabilised synthetic waste containing high levels of heavy metals was solidified in three different environments: carbon dioxide, nitrogen and laboratory air. This was in order to observe the effect of accelerated carbonation. The solidified wastes exposed to carbon dioxide failed to demonstrate the improved strength and heavy metal retention reported elsewhere. The results suggested that the waste forms had not undergone sufficient carbonation. Subsequent modifications to the mix design, sample size and conditioning period produced a more carbonated material. Leaching tests conducted on the carbonated solidified waste and analogous samples exposed to laboratory air demonstrated a considerable improvement in metal retention. The study also addressed the effect of carbonating the stabilised waste prior to solidification. In this instance, however, the results were inconclusive.

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Research paper thumbnail of Influence of drying-induced microcracking and related size effects on mass transport properties of concrete

Cement and Concrete Research

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Research paper thumbnail of The steel–concrete interface

Materials and Structures, 2017

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Research paper thumbnail of Measuring the membrane potential across cement-based materials

Mater Struct, 2000

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Research paper thumbnail of Influence of aggregate size and fraction on shrinkage induced micro-cracking of mortar and concrete

Icf12 Ottawa 2009, May 3, 2013

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Research paper thumbnail of Euclidean Distance Mapping for computing microstructural gradients at interfaces in composite materials

1097, Nov 4, 2014

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Research paper thumbnail of Factorial Study of Metal Effects on Acid Neutralization by Cement

Journal of Environmental Engineering, Oct 1, 2000

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Research paper thumbnail of Comparison of uniform and non-uniform corrosion induced damage in reinforced concrete based on a Gaussian description of the corrosion layer

Corrosion Science, Sep 1, 2011

A Gaussian function is proposed to describe the non-uniform spatial distribution of corrosion pro... more A Gaussian function is proposed to describe the non-uniform spatial distribution of corrosion products as measured from chloride-exposed reinforced concrete specimens using backscattered electron imaging and image analysis. The model provides a good fit to the observed data and limited data sets reported in the literature. Subsequently, it is used as an input into a finite element analysis to provide

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Research paper thumbnail of Effect of confining pressure on gaseous transport properties of concrete

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Research paper thumbnail of 1150 ひび割れを含むコンクリート中の塩分移動に関する実験的検討(耐久性)

コンクリート工学年次論文集, Jul 30, 2006

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Research paper thumbnail of On the penetration of corrosion products from reinforcing steel into concrete due to chloride-induced corrosion

Corrosion Science, Jul 1, 2010

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Research paper thumbnail of Synthesis of solidification experience for synthetic wastes

Waste Management Series

ABSTRACT

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Research paper thumbnail of Effect of confining pressure and microcracks on mass transport properties of concrete

Advances in Applied Ceramics, 2014

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Research paper thumbnail of Examination of three methods for studying ion diffusion in cement pastes, mortars and concrete

Materials and Structures, 1987

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Research paper thumbnail of Discussion with end-users regarding cement/waste systems database and predictive models

Déchets, sciences et techniques, 1999

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Research paper thumbnail of Impedance spectroscopy monitoring of a polyurethane coating on mortar exposed to NaCl solution

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Research paper thumbnail of A critical review of the physiological, ecological, physical and chemical factors influencing the microbial degradation of concrete by fungi

Building and Environment, 2022

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Estimating the swelling ratio of superabsorbent polymers in cement-based materials

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Development of more accurate methods for determining carbonation depth in cement-based materials

Cement and Concrete Research

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Real‐time monitoring of carbonation of hardened cement pastes using Raman microscopy

Journal of Microscopy

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Investigation into the Carbonation of Stabilised/Solidified Synthetic Waste

Environmental Technology, 1998

ABSTRACT A stabilised synthetic waste containing high levels of heavy metals was solidified in th... more ABSTRACT A stabilised synthetic waste containing high levels of heavy metals was solidified in three different environments: carbon dioxide, nitrogen and laboratory air. This was in order to observe the effect of accelerated carbonation. The solidified wastes exposed to carbon dioxide failed to demonstrate the improved strength and heavy metal retention reported elsewhere. The results suggested that the waste forms had not undergone sufficient carbonation. Subsequent modifications to the mix design, sample size and conditioning period produced a more carbonated material. Leaching tests conducted on the carbonated solidified waste and analogous samples exposed to laboratory air demonstrated a considerable improvement in metal retention. The study also addressed the effect of carbonating the stabilised waste prior to solidification. In this instance, however, the results were inconclusive.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Influence of drying-induced microcracking and related size effects on mass transport properties of concrete

Cement and Concrete Research

Bookmarks Related papers MentionsView impact

Research paper thumbnail of The steel–concrete interface

Materials and Structures, 2017

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Research paper thumbnail of Measuring the membrane potential across cement-based materials

Mater Struct, 2000

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Influence of aggregate size and fraction on shrinkage induced micro-cracking of mortar and concrete

Icf12 Ottawa 2009, May 3, 2013

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Research paper thumbnail of Euclidean Distance Mapping for computing microstructural gradients at interfaces in composite materials

1097, Nov 4, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Factorial Study of Metal Effects on Acid Neutralization by Cement

Journal of Environmental Engineering, Oct 1, 2000

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Comparison of uniform and non-uniform corrosion induced damage in reinforced concrete based on a Gaussian description of the corrosion layer

Corrosion Science, Sep 1, 2011

A Gaussian function is proposed to describe the non-uniform spatial distribution of corrosion pro... more A Gaussian function is proposed to describe the non-uniform spatial distribution of corrosion products as measured from chloride-exposed reinforced concrete specimens using backscattered electron imaging and image analysis. The model provides a good fit to the observed data and limited data sets reported in the literature. Subsequently, it is used as an input into a finite element analysis to provide

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Effect of confining pressure on gaseous transport properties of concrete

Bookmarks Related papers MentionsView impact

Research paper thumbnail of 1150 ひび割れを含むコンクリート中の塩分移動に関する実験的検討(耐久性)

コンクリート工学年次論文集, Jul 30, 2006

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Research paper thumbnail of On the penetration of corrosion products from reinforcing steel into concrete due to chloride-induced corrosion

Corrosion Science, Jul 1, 2010

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Synthesis of solidification experience for synthetic wastes

Waste Management Series

ABSTRACT

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Effect of confining pressure and microcracks on mass transport properties of concrete

Advances in Applied Ceramics, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Examination of three methods for studying ion diffusion in cement pastes, mortars and concrete

Materials and Structures, 1987

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Discussion with end-users regarding cement/waste systems database and predictive models

Déchets, sciences et techniques, 1999

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Impedance spectroscopy monitoring of a polyurethane coating on mortar exposed to NaCl solution

Bookmarks Related papers MentionsView impact

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