Publicaciones Peer reviewed articles (16) The Effect of Lightweight Concrete Cores on the Thermal Performance of Vacuum Insulation Panels. Autores: Pawel Sikora; Dietmar Stephan; Sang-Yeop Chung; Mohamed Abd Elrahman Publicado en: Materials, Issue 13(11), 2020, Page(s) 2632, ISSN 1996-1944 Editor: MDPI Open Access Publishing DOI: 10.14279/depositonce-10894 The effects of seawater and nanosilica on the performance of blended cements and composites Autores: Pawel Sikora, Didier Lootens, Maxime Liard, Dietmar Stephan Publicado en: Applied Nanoscience, Issue 10/12, 2020, Page(s) 5009-5026, ISSN 2190-5509 Editor: Springer DOI: 10.1007/s13204-020-01328-8 The effects of nanosilica on the fresh and hardened properties of 3D printable mortars Autores: Pawel Sikora, Sang-Yeop Chung, Maxime Liard, Didier Lootens, Tobias Dorn, Paul H. Kamm, Dietmar Stephan, Mohamed Abd Elrahman Publicado en: Construction and Building Materials, Issue 281, 2021, Page(s) 122574, ISSN 0950-0618 Editor: Elsevier BV DOI: 10.1016/j.conbuildmat.2021.122574 Evaluation of the effects of bismuth oxide (Bi2O3) micro and nanoparticles on the mechanical, microstructural and γ-ray/neutron shielding properties of Portland cement pastes Autores: Pawel Sikora, Ahmed M. El-Khayatt, H.A. Saudi, Sang-Yeop Chung, Dietmar Stephan, Mohamed Abd Elrahman Publicado en: Construction and Building Materials, Issue 284, 2021, Page(s) 122758, ISSN 0950-0618 Editor: Elsevier BV DOI: 10.1016/j.conbuildmat.2021.122758 The Effects of Temperature Curing on the Strength Development, Transport Properties, and Freeze-Thaw Resistance of Blast Furnace Slag Cement Mortars Modified with Nanosilica Autores: Federowicz, Karol; Figueiredo, Vitoria Alves; Al-kroom, Hussein; Abdel-Gawwad, Hamdy A.; Abd Elrahman, Mohamed; Sikora, Pawel Publicado en: Materials, Issue 13(24), 2020, Page(s) 5800, ISSN 1996-1944 Editor: MDPI Open Access Publishing DOI: 10.14279/depositonce-11234 Effect of different expanded aggregates on durability-related characteristics of lightweight aggregate concrete Autores: Sang-Yeop Chung, Pawel Sikora, Dong Joo Kim, Mohamed E. El Madawy, Mohamed Abd Elrahman Publicado en: Materials Characterization, Issue 173, 2021, Page(s) 110907, ISSN 1044-5803 Editor: Elsevier BV DOI: 10.1016/j.matchar.2021.110907 Inverse Estimation Method of Material Randomness Using Observation Autores: Dae-Young Kim; Pawel Sikora; Krystyna Araszkiewicz; Sang-Yeop Chung Publicado en: Crystals, Issue 10(6), 2020, Page(s) 512, ISSN 2073-4352 Editor: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.14279/depositonce-10892 Investigation of additive incorporation on rheological, microstructural and mechanical properties of 3D printable alkali-activated materials Autores: Mehdi Chougan; Seyed Hamidreza Ghaffar; Pawel Sikora; Sang-Yeop Chung; Teresa Rucinska; Dietmar Stephan; Abdulrahman Albar; Mohammad Rafiq Swash Publicado en: Materials & Design, Issue 202, 2021, Page(s) 109574, ISSN 0264-1275 Editor: Elsevier BV DOI: 10.14279/depositonce-11556 Thermal performance of building envelopes with structural layers of the same density: Lightweight aggregate concrete versus foamed concrete Autores: Jarosław Strzałkowski, Pawel Sikora, Sang-Yeop Chung, Mohamed Abd Elrahman Publicado en: Building and Environment, Issue 196, 2021, Page(s) 107799, ISSN 0360-1323 Editor: Pergamon Press Ltd. DOI: 10.1016/j.buildenv.2021.107799 The performance of ultra-lightweight foamed concrete incorporating nanosilica Autores: Mohamed Abd Elrahman, Pawel Sikora, Sang-Yeop Chung, Dietmar Stephan Publicado en: Archives of Civil and Mechanical Engineering, Issue 21/2, 2021, ISSN 1644-9665 Editor: Elsevier Urban/Partners Sp. z.o.o. DOI: 10.1007/s43452-021-00234-2 Comparison of the pore size distributions of concretes with different air-entraining admixture dosages using 2D and 3D imaging approaches Autores: Sang-Yeop Chung, Pawel Sikora, Teresa Rucinska, Dietmar Stephan, Mohamed Abd Elrahman Publicado en: Materials Characterization, Issue 162, 2020, Page(s) 110182, ISSN 1044-5803 Editor: Elsevier BV DOI: 10.1016/j.matchar.2020.110182 Influence of Nanosilica on Mechanical Properties, Sorptivity, and Microstructure of Lightweight Concrete Autores: Mohamed Abd Elrahman, Sang-Yeop Chung, Pawel Sikora, Teresa Rucinska, Dietmar Stephan Publicado en: Materials, Issue 12/19, 2019, Page(s) 3078, ISSN 1996-1944 Editor: MDPI Open Access Publishing DOI: 10.3390/ma12193078 An Investigation of the Mechanical and Physical Characteristics of Cement Paste Incorporating Different Air Entraining Agents using X-ray Micro-Computed Tomography Autores: Pawel Sikora; Mohamed E. El Madawy; Osama Youssf; Sang-Yeop Chung; Mohamed Abd Elrahman; Stanisław Majer Publicado en: Crystals, Issue 10(1), 2020, Page(s) 23, ISSN 2073-4352 Editor: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.14279/depositonce-9940 Evaluating the effects of nanosilica on the material properties of lightweight and ultra-lightweight concrete using image-based approaches Autores: Pawel Sikora, Teresa Rucinska, Dietmar Stephan, Sang-Yeop Chung, Mohamed Abd Elrahman Publicado en: Construction and Building Materials, Issue 264, 2020, Page(s) 120241, ISSN 0950-0618 Editor: Elsevier BV DOI: 10.1016/j.conbuildmat.2020.120241 Biocarbonation: A novel method for synthesizing nano-zinc/zirconium carbonates and oxides Autores: Hamdy A. Abdel-Gawwad; Alaa A. Saleh; Mona S. Mohammed; Essam Nabih Ads; Hala. S. Hussein; Pawel Sikora; Pawel Sikora; Mohamed Abd Elrahman Publicado en: Arabian Journal of Chemistry, Issue 13(11), 2020, Page(s) 8092-8099, ISSN 1878-5379 Editor: King Saud University DOI: 10.14279/depositonce-11276 3D printable lightweight cementitious composites with incorporated waste glass aggregates and expanded microspheres – Rheological, thermal and mechanical properties Autores: Karla Cuevas, Mehdi Chougan, Falk Martin, Seyed Hamidreza Ghaffar, Dietmar Stephan, Pawel Sikora Publicado en: Journal of Building Engineering, Issue 44, 2021, Page(s) 102718, ISSN 2352-7102 Editor: Elsevier DOI: 10.1016/j.jobe.2021.102718 Non-peer reviewed articles (1) Cement-Based Composites: Advancements in Development and Characterization Autores: Pawel Sikora, Sang-Yeop Chung Publicado en: Crystals, Issue 10/9, 2020, Page(s) 832, ISSN 2073-4352 Editor: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/cryst10090832 Buscando datos de OpenAIRE... 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