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Natural bentorite—Cr3+ derivate of ettringite: determination of crystal structure

Autor: Ella V. Sokol, Victor V. Sharygin, Yurii V. Seryotkin, Svetlana N. Kokh

Publikováno v: Physics and Chemistry of Minerals. 46:553-570

Bentorite, a Cr3+-substituted analogue of ettringite (Ca6Cr2(SO4)3(OH)12·26H2O), has been found as veinlet filling at its holotype locality in the Hatrurim Basin (Negev Desert). Quite abundant massive bentorite with Cr/(Cr + Al) ratios up to 0.95–

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7856e13b6c697ded38faeb972704aad
https://doi.org/10.1007/s00269-019-01022-4

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Addition of new polymerbased and mineral-based fillers in mortar: influences of polyurethane and afwillite on the microstructure and final properties

Autor: Raquel Arroyo Sanz

Publikováno v: Repositorio Institucional de la Universidad de Burgos (RIUBU)
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Para reducir la cantidad de plasticos y polimeros que se depositan en vertederos se ha realizado la inclusion de compuestos tales como residuos de espuma de poliuretano como material reciclado y reutilizable en sustitucion de cantidades variables de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e6d02148340121e27c0d216f3989453
https://doi.org/10.36443/10259/4610

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Discussion of the paper 'A new view on the kinetics of tricalcium silicate hydration,' by L. Nicoleau and A. Nonat, Cem. Concr. Res. 86 (2016) 1–11

Autor: Ellis Gartner

Publikováno v: Cement and Concrete Research. 104:114-117

In contradiction to the proposition of Nicoleau and Nonat, it is shown that the rate of hydration of anhydrous tricalcium silicate (C3S) cannot be controlled by the rate of dissolution of the anhydrous phase in typical C3S pastes except at extremely

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38c6609fb797055682a76e81f0a10a8c
https://doi.org/10.1016/j.cemconres.2017.10.015

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Natural Cr3+-rich ettringite: occurrence, properties, and crystal structure

Autor: Yurii V. Seryotkin, Svetlana N. Kokh, Ella V. Sokol, Mikhail N. Murashko

Publikováno v: Physics and Chemistry of Minerals. 45:279-292

Cr3+-rich ettringite with Cr3+→Al substitution and Cr/(Cr + Al) ratios up to 0.40–0.50 was found in mineral assemblages of the Ma’aleh Adumim area of Mottled Zone (Judean Desert). The Cr3+-rich compositions were the latest in the thaumasite →

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::123c90149aa252ebfc69200645bafa4d
https://doi.org/10.1007/s00269-017-0917-y

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Physicochemical and consolidation properties of compacted lateritic soil treated with cement

Autor: Emmanuel Mengue, Laurent Lancelot, Robert Medjo Eko, Hussein Mroueh

Publikováno v: Soils and Foundations. 57:60-79

The consolidation of a fine-grained lateritic soil, treated with compound Portland cement (CEMII/BM 32.5 N) up to 9% by weight of the dry soil and prepared at three different molding water contents ( ω DRY , OMC, and ω WET ), was investigated by me

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8e09eb2418f028954cccbb229362b87
https://doi.org/10.1016/j.sandf.2017.01.005

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Nataliakulikite, Ca4Ti2(Fe3+,fe2+)(Si,fe3+,al)o11, a new perovskite-supergroup mineral from hatrurim basin, negev desert, Israel

Autor: Victor V. Sharygin, E. N. Nigmatulina, Leonid A. Pautov, Yurii V. Seryotkin, Grigory A. Yakovlev, Richard Wirth, E.V. Sokol, N. S. Karmanov

Publikováno v: Minerals
Volume 9
Issue 11

Nataliakulikite, Ca4Ti2(Fe3+,Fe2+)(Si,Fe3+,Al)O11, is a mineral intermediate between perovskite CaTiO3 and brownmillerite Ca2(Fe,Al)2O5. It was discovered as a minor mineral in a high-temperature pyrometamorphic larnite-gehlenite rock at the Nahal Mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca7a6afebe911313ff5fe5b6643978dc
https://elar.urfu.ru/handle/10995/90370

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Basic mechanisms of afwillite seeding for acceleration of tricalcium silicate hydration

Autor: Frank Bellmann, T. Sowoidnich, Matthieu Horgnies, Ellis Gartner

Publikováno v: Cement and Concrete Research. 132:106030

Afwillite is a crystalline calcium silicate hydrate (3CaO·2SiO2·3H2O) that can be used for the acceleration of tricalcium silicate hydration. Experimental data was recorded in this study to shed further light on the basic mechanisms for this accele

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1c79cfebe25e6d1613e5c18b76bf078
https://doi.org/10.1016/j.cemconres.2020.106030

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