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Concrete aggregates

Toward the quantification of the cement paste content of fine recycled concrete aggregates by salicylic acid dissolution corrected by a theoretical approach

Toward the quantification of the cement paste content of fine recycled concrete aggregates by salicylic acid dissolution corrected by a theoretical approach

... Recycled concrete aggregates (RCA) are mainly composed of an intimate mix between natural aggregates and cement ...natural aggregates, the content and the physicochemical properties of cement ...

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A review of test methods for alkali-expansivity of concrete aggregates

A review of test methods for alkali-expansivity of concrete aggregates

... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at A review of test methods for alkali-expansivity of concrete aggregates Grattan-Bellew, P. E. ...

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Determining the reactivity of concrete aggregates for Nuclear Power Plant concrete structures

Determining the reactivity of concrete aggregates for Nuclear Power Plant concrete structures

... of concrete related to probability of corrosion due to alkali-silica reactivity of aggregates based on French Rules for Design and Construction of PWR nuclear civil works ...for concrete resulting ...

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Waste and by-products as concrete aggregates

Waste and by-products as concrete aggregates

... lightweight aggregates is that it promotes fuel efficiency because the carbon in the ash provides sufficient heat needed to evaporate the moisture in the pellets and bring the pellets to the sintering ...these ...

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Clay minerals in concrete aggregates of Kingston dolomitic limestone

Clay minerals in concrete aggregates of Kingston dolomitic limestone

... The procedures followed in the isolation of clay fractions from the limestone and the results of analysis by X-ray diffraction techniques are now reported.. The work was.[r] ...

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Comparison of artificial neural network (ANN) and response surface methodology (RSM) prediction in compressive strength of recycled concrete aggregates

Comparison of artificial neural network (ANN) and response surface methodology (RSM) prediction in compressive strength of recycled concrete aggregates

... This study aims at predicting and modeling the 7; 28 and 56 days compressive strength of a concrete containing concrete’s recycled coarse aggregates and that, for different range of cement content and ...

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Use of recycled concrete aggregates from precast block for the production of new building blocks: an industrial scale study

Use of recycled concrete aggregates from precast block for the production of new building blocks: an industrial scale study

... of concrete products is higher than 90% (50% for Rc 50 ); Rcu 95 : mass percentage of concrete products and unbound aggregate is higher than 95% (70% for Rcu 70 ...

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Interaction of concrete aggregates and Portland cement: situation in Canada

Interaction of concrete aggregates and Portland cement: situation in Canada

... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...

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Use of contaminated recycled aggregates for concrete design: properties and durability

Use of contaminated recycled aggregates for concrete design: properties and durability

... Compacted Concrete (RCC) is a special dry concrete made of aggregates, water and low quantity of cement, laid down and compacted like a soil, for the construction of massive structures like dams or ...

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Concrete

Concrete

... the concrete attains its final ...structural concrete and justifies his contention that good concrete is placed, and never poured; if it can be poured it will not be good ...

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Gelfond-Zhang aggregates as propositional formulas

Gelfond-Zhang aggregates as propositional formulas

... understand aggregates as propositional formulas, it is straightforward to extend the syntax to arbitrary nesting of aggregates (both GZ and F-aggregates) plus propositional connectives, something we ...

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Adhesion of bituminous crack sealants to aggregates

Adhesion of bituminous crack sealants to aggregates

... In 1994, SHRP reported that the application of fracture mechanics techniques to measure and predict binder- aggregate bond strength could be promising. A blister test, which is used in polymer research, was evaluated. ...

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K-means improvement by dynamic pre-aggregates

K-means improvement by dynamic pre-aggregates

... Statistical data mining allows knowledge extraction by repeating the same operations several times, most often on detailed data (such as calculating averages, correlations or measures of similarities between data). Works ...

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Some unusual alkali-expansive aggregates

Some unusual alkali-expansive aggregates

... Some unusual alkali-expansive aggregates Gillott, J. E.; Swenson, E. G. https://publications-cnrc.canada.ca/fra/droits L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions ...

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Gelfond-Zhang aggregates as propositional formulas

Gelfond-Zhang aggregates as propositional formulas

... Achieving this generalization is not surprising, once aggregates can be seen as propositional formulas. A GZ-formula (resp. F-formula) is one in which all its aggregates are GZ-aggregates (resp. ...

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Assessment of a microwave-assisted recycling process for the recovery of high-quality aggregates from concrete waste

Assessment of a microwave-assisted recycling process for the recovery of high-quality aggregates from concrete waste

... To cite this version : Bru, Kathy and Touzé, Solène and Bourgeois, Florent and Lippiatt, Nicholas and Ménard, Yannick. Assessment of amicrowave- assisted recycling process for the recovery of high-quality ...

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Assessment of a microwave-assisted recycling process for the recovery of high-quality aggregates from concrete waste

Assessment of a microwave-assisted recycling process for the recovery of high-quality aggregates from concrete waste

... the aggregates on the performance of the microwave heating regarding concrete fragmentation was evaluated with these two parameters ( Tables 7 and 8 ...larger aggregates, it could then be expected ...

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Scaling behaviors of colloidal aggregates under pressure

Scaling behaviors of colloidal aggregates under pressure

... This work may have practical uses in material sciences, for the design an fthe control of materials containing colloidal aggregates, such as ceramic pastes and flocculated emulsions. Indeed, the compressional ...

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K-means improvement by dynamic pre-aggregates

K-means improvement by dynamic pre-aggregates

... Means Clustering Based on MapReduce’, CLOUD Zhao, W. L., Deng, C. H. and Ngo, C. W. (2018) ‘k-means: A revisit’, Neurocomputing, 291, pp. 195–206. In this paper, we provided an approach to accelerate the process of the ...

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Accumulation of mineral ballast on organic aggregates

Accumulation of mineral ballast on organic aggregates

... Organic aggregates were generated from 8 L of a dense culture of Thalassiosira weissflogii to which had been added ...the aggregates that formed through collisions of particles settling at different rates ...

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