Výsledky vyhledávání

Characterization of ready-mixed concrete plants sludge and incorporation into mortars: Origin of pollutants, environmental characterization and impacts on mortars characteristics

Autor: Mariane Audo, Pierre-Yves Mahieux, C. Churlaud, Ph Turcry, L. Chateau

Publikováno v: Journal of Cleaner Production
Journal of Cleaner Production, Elsevier, 2018, 183, pp.153-161. ⟨10.1016/j.jclepro.2018.02.155⟩

Ready-mixed concrete plants (RMCP) sludge samples were studied, particularly from an environmental point of view. Their average composition (cement, sand and filler contents) was determined through chemical analysis. Based on this composition and tra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebc3342944c2722b8dbf286851dc3f2c
https://hal.archives-ouvertes.fr/hal-02469614

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A new test method to determine the gaseous oxygen diffusion coefficient of cement pastes as a function of hydration duration, microstructure, and relative humidity

Autor: Abdelkarim Aït-Mokhtar, Christoph Gehlen, Bruno Huet, G. Pham, Mouna Boumaaza, Ph Turcry

Publikováno v: Materials and structures
Materials and structures, Springer Verlag, 2018, 51 (2), ⟨10.1617/s11527-018-1178-z⟩
Materials and Structures
Materials and Structures, Springer Verlag, 2018, 51 (2), ⟨10.1617/s11527-018-1178-z⟩

A new test method is developed to determine the gaseous oxygen effective diffusion coefficient through hardened cement pastes conditioned at different relative humidity. The method relies on the measurement of gaseous oxygen accumulation in the downs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4b4c9b5eecb209dc50de53abedcb765
https://doi.org/10.1617/s11527-018-1178-z

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Reuse of recycled crushed concrete fines as mineral addition in cementitious materials

Autor: Jérôme Lux, Omid Amiri, P-Y. Mahieux, Ph Turcry, L. Oksri-Nelfia

Publikováno v: Materials and Structures
Materials and Structures, Springer Verlag, 2016, 49 (8), pp.3239-3251. ⟨10.1617/s11527-015-0716-1⟩
Materials and structures
Materials and structures, Springer Verlag, 2016, 49 (8), pp.3239-3251. ⟨10.1617/s11527-015-0716-1⟩

Environmental issues have led European stakeholders to join around an ambitious project, the reuse 70 % of inert wastes from construction and demolition by 2020. Among available solutions, the reuse of fine recycled aggregates as substitute of natura

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::beb91f313837e1e6670aecfaf098f58f
https://doi.org/10.1617/s11527-015-0716-1

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Measurement of CO 2 effective diffusion coefficient of cementitious materials

Autor: Ph Turcry, K. Namoulniara, Abdelkarim Aït-Mokhtar

Publikováno v: European Journal of Environmental and Civil Engineering
European Journal of Environmental and Civil Engineering, Taylor & Francis, 2016, 20 (10), pp.1183-1196. ⟨10.1080/19648189.2015.1132011⟩

The CO2-effective diffusion coefficient is a key parameter in the modelling of carbonation of cementitious materials. It is usually deduced from empirical relationships determined by tests on mixtures made with Ordinary Portland Cement (OPC). These r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::517970912d4bec591d455c0e7993e7f8
https://hal.archives-ouvertes.fr/hal-02316906

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Long-term deformations and cracking risk of concrete with high content of mineral additions

Autor: Aveline Darquennes, Emmanuel Rozière, Ph Turcry, Muhammad Irfan Ahmad Khokhar, Ahmed Loukili, Frédéric Grondin

Publikováno v: Materials and Structures. 45:1705-1716

This paper presents results from a study on long-term deformations of concrete with a high content of mineral additions, such as blast-furnace slag and fly ash. Autogenous and drying shrinkage were monitored. The kinetics and magnitude of these defor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dab93cbf8c91650ca0044a4c770508c5
https://doi.org/10.1617/s11527-012-9867-5

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Influence of the time of demoulding on adhesion of cement-based mortar modified with cellulose ether

Autor: Farid Benboudjema, Abdelkarim Aït-Mokhtar, T. Mauroux, Ph Turcry

Publikováno v: European Journal of Environmental and Civil Engineering
European Journal of Environmental and Civil Engineering, Taylor & Francis, 2014, pp.1-10. ⟨10.1080/19648189.2014.896756⟩
European Journal of Environmental and Civil Engineering, 2014, pp.1-10. ⟨10.1080/19648189.2014.896756⟩

Industrial mortars have complex mix design with polymers such as cellulose ether. The present paper deals with the influence of drying on the adhesion of a mortar on a concrete substrate. The main properties of the studied mortar (drying shrinkage, m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::988d84cc7b14d437088a1609a9c7b208
https://hal.archives-ouvertes.fr/hal-01695966

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Analysis of an accelerated carbonation test with severe preconditioning

Autor: Ph Turcry, L. Oksri-Nelfia, Abdelkarim Aït-Mokhtar, Akli Younsi

Publikováno v: Cement and Concrete Research
Cement and Concrete Research, Elsevier, 2014, 57, pp.70-78. ⟨10.1016/j.cemconres.2014.01.003⟩

In this paper, an analysis of the accelerated carbonation test according to the French Standard XP P18-458 is presented. It aims at a better understanding of the carbonation kinetics in the early days of this test. The influence of preconditioning by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bb282996caa69937b83d3697beea714
https://hal.archives-ouvertes.fr/hal-02153907

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Experimental analysis of drying shrinkage cracking in coating mortars by digital image correlation

Autor: Ph Turcry, O. Deves, Farid Benboudjema, T. Mauroux, A Ait-Mokthar

Publikováno v: Concreep 2013
Concreep 2013, Sep 2013, Boston, United States
Scopus-Elsevier

International audience; Since drying is a very slow process, a strong gradient of drying shrinkage occurs in concrete members leading, at the macroscopic level, to the rise of tensile stresses at the surface and compressive stresses at the core. Ther

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed09ee22ee624d6d2e40a3e122a4c48a
https://hal.archives-ouvertes.fr/hal-01695982

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Influence of in situ concrete variability on accelerated carbonation test

Autor: Ph Turcry, P. Rougeau, Akli Younsi, F. Jacquemot, Abdelkarim Aït-Mokhtar

Publikováno v: European Journal of Environmental and Civil Engineering
European Journal of Environmental and Civil Engineering, Taylor & Francis, 2012, 16 (3-4), pp.288-297. ⟨10.1080/19648189.2012.667707⟩

Probabilistic approaches to design reinforced concrete structures require the knowledge of distribution laws governing the statistical variability of concrete properties used as models inputs. The present work focuses on the variability of carbonatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::325f4d707eaf6d4731dce8d1ff73974f
https://hal.archives-ouvertes.fr/hal-02153896

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Water vapour desorption variability of in situ concrete and effects on drying simulations

Autor: Ph Turcry, Rafik Belarbi, Abdelkrim Trabelsi, Abdelkarim Aït-Mokhtar

Publikováno v: Magazine of Concrete Research
Magazine of Concrete Research, Thomas Telford, 2011, 63, pp.333-342. ⟨10.1680/macr.9.00161⟩

This study assesses the variability of the water vapour desorption isotherm of concrete under site conditions. Knowledge of the distribution law of this property is necessary for probabilistic modelling of the drying of concrete elements. Desorption

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c54ab3cd69957ed064da94bd025b5e1
https://hal.archives-ouvertes.fr/hal-01738721

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