Search Results - "Dvorkin, Leonid"

Design of Cement–Slag Concrete Composition for 3D Printing by Dvorkin, Leonid, Marchuk, Vitaliy, Hager, Izabela, Maroszek, Marcin

“…The article presents a set of experimental-static models of the properties of fine-grained concretes on a cement–slag binder and quartz sand with the addition…”
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Cement–ash concrete with the addition of lime kiln dust by Dvorkin, Leonid, Zhitkovsky, Vadim

“…The article is devoted to the study of the effect of lime kiln dust (LKD) on the properties of concrete mixtures and concrete using Portland cement and fly…”
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Cement with Fly Ash and Metakaolin Blend—Drive towards a More Sustainable Construction by Dvorkin, Leonid, Zhitkovsky, Vadim, Sitarz, Mateusz, Hager, Izabela

“…This article presents experimental studies that have shown the effectiveness of using a composition of fly ash and metakaolin as an active mineral admixture to…”
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A Method for the Design of Concrete with Combined Steel and Basalt Fiber by Dvorkin, Leonid, Bordiuzhenko, Oleh, Tekle, Biruk Hailu, Ribakov, Yuri

“…Combining different fiber types may improve the mechanical properties of fiber reinforced concrete. The present study is focused on investigating hybrid fiber…”
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Optimizing Porous Concrete Using Granite Stone-Crushing Waste: Composition, Strength, and Density Analysis by Dvorkin, Leonid, Bordiuzhenko, Oleh, Tracz, Tomasz, Mróz, Katarzyna

“…This study examines the utilization of granite stone-crushing waste in the production of porous concrete, with a particular emphasis on the influence of…”
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Optimization of Self-Compacting Concrete Containing Blast-Furnace Slag Compositions by Zhitkovsky, Vadim, Dvorkin, Leonid, Ribakov, Yuri

“…The paper deals with composition design of self-compacting concrete containing blast furnace granulated slag and polycarboxylate type superplasticizer in a…”
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Adhesive Strength of Modified Cement–Ash Mortars by Dvorkin, Leonid, Duży, Patrycja, Brudny, Karolina, Choińska, Marta, Korniejenko, Kinga

“…The main aim of this article, carried out in relation to ash–cement mortars, is to determine the effect of complex additives of polyfunctional modifiers,…”
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Water Impermeability of Self-Compacting Fly-Ash-Containing Concrete by Dvorkin, Leonid, Bordiuzhenko, Oleh, Mierzwiński, Dariusz, Tracz, Tomasz, Sitarz, Mateusz

“…The impermeability of self-compacting fly-ash-containing concrete at different ash contents and specific surface areas of ash is studied. The experimental and…”
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Energy-Efficient Mixtures Suitable for 3D Technologies by Dvorkin, Leonid, Marchuk, Vitaliy, Mróz, Katarzyna, Maroszek, Marcin, Hager, Izabela

“…Compositions of fine-grained concrete mixtures that provide the minimum required strength values in 1 day (7.5 MPa) have been developed. A comparison was made…”
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Method of calculating the optimal sand content in normal-weight concrete by Leonid Dvorkin

“…In the practice of proportioning concrete compositions, the optimum sand content in a mixture of aggregates is usually found empirically. The disadvantage of…”
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Modified water-cement ratio rule for the design of air-entrained concrete by Leonid Dvorkin

“…Designing concrete compositions, containing entrained air, is usually done by means of empirical proportioning, which is quite a laborious and lengthy process…”
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Application areas of phosphogypsum in production of mineral binders and composites based on them: a review of research results by Dvorkin, Leonid, Lushnikova, Nataliya, Sonebi, Mohammed

“…The increase of the consumption of gypsum products in construction industry with a limited amount of natural gypsum deposits requires alternative sources of…”
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Fine-grained cement-ash concrete for 3D-printing by Dvorkin Leonid, Marchuk Vitalii, Zhitkovsky Vadim

“…An analysis of the main types of basic building mixtures for 3D printing and the requirements for their basic properties is presented. Using the mathematical…”
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Method of proportioning the cement-water ratio of steam-cured concrete by Leonid Dvorkin, Vadim Zhitkovsky

“…The article presents the results of experimental studies that made it possible to substantiate the calculated dependences of the steam-cured concrete strength…”
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Trends and opportunities of using local sustainable building materials in the Middle East and North Africa region by Sonebi, Mohammed, Abdalqader, Ahmed, Amziane, Sofiane, Dvorkin, Leonid, Ghorbel, Elhem, Kenai, Said, Khatib, Jamal, Lushnikova, Natalia, Perrot, Arnaud

“…In recent decades, most of construction activities have been taking place in developing countries such as the Middle East and North Africa region. The…”
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Determination of the multicomponent lightweight mixture optimal composition by Dvorkin Leonid, Bordiuzhenko Oleh, Kovalyk Iryna

“…Designing of multi-component building compositions is usually done by an empirical method, which is a laborious and time-consuming process. The article deals…”
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Mechanical Properties and Design of Concrete with Hybrid Steel and Basalt Fiber by Dvorkin, Leonid, Bordiuzhenko, Oleh, Zhitkovsky, Vadim, Gomon, Svyatoslav, Homon, Sviatoslav

“…Adding different fiber types may yield improvement of steel fiber reinforced concrete (SFRC) features. Therefore, the investigation of hybrid fiber reinforced…”
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Hydration characteristics and structure formation of cement pastes containing metakaolin by Dvorkin, Leonid, Lushnikova, Nataliya, Bezusyak, Oleksandr, Sonebi, Mohammed, Khatib, Jamal

“…Metakaolin (MK) is one of the most effective mineral admixtures for cement-based composites. The deposits of kaolin clays are wide-spread in the world…”
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Application areas of phosphogypsum in production of mineral binders and composites based on them: a review of research results by Dvorkin, Leonid, Lushnikova, Nataliya, Sonebi, Mohammed

“…The increase of the consumption of gypsum products in construction industry with a limited amount of natural gypsum deposits requires alternative sources of…”
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Hydration characteristics and structure formation of cement pastes containing metakaolin by Dvorkin, Leonid, Lushnikova, Nataliya, Bezusyak, Oleksandr, Sonebi, Mohammed, Khatib, Jamal

“…Metakaolin (MK) is one of the most effective mineral admixtures for cement-based composites. The deposits of kaolin clays are wide-spread in the world…”
Get full text