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Haitham M. Ahmed, Mohammed A. Hefni, Hussin A. M. Ahmed and Hussein A. Saleem
This study investigates the effect of the partial replacement of ordinary Portland cement (OPC) with cement kiln dust (CKD) on the engineering properties of pozzolanic concrete for use in block manufacturing. Ultimately, this could potentially reduce cem...
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Vinh Thi Hai Chu, Vinh Duc Bui and Tue Viet Nguyen
Ultra-High Performance Concrete (UHPC) improves the bearing capacity as well as the durability of structural concrete. This study aims to investigate the constituents of UHPC in both phases: aggregate and cementitious materials. The proper ratio of the m...
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Li Li, Yujie Wei, Qi Feng, Fang Liu, Bin Liu and Beichen Pu
Molecular dynamics (MD) is an important method for studying the molecular and atomic scale of cement (geopolymer)-based composites which provides an effective method for the optimal design of cementitious materials. In this paper, the research progress o...
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Bin Ma, Yunfan Chu, Xiaolin Huang and Bai Yang
The performance indicators of concrete are mainly determined by the interface characteristics between cement hydration slurry and aggregates. In this study, molecular dynamics technology was used to evaluate the effect of the interfacial water content on...
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Luqman Kolawole Abidoye and Diganta B. Das
This study elucidates the effects of the particle size, carbonation time, curing time and pressure on the efficiency of carbon storage in Portland cement mortar. Using pressure chamber experiments, our findings show how carbonation efficiency increases w...
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Warid Wazien Ahmad Zailani, Aissa Bouaissi, Mohd Mustafa Al Bakri Abdullah, Rafiza Abd Razak, Sorachon Yoriya, Mohd Arif Anuar Mohd Salleh, Mohd Remy Rozainy M. A. Z. and Hamzah Fansuri
This investigative study aims to study the mechanical and morphological properties of fly ash (FA)-based geopolymer paste as a repair material when applied on ordinary Portland cement (OPC) overlay concrete. The first part of this study investigates the ...
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Cement manufacturing is indeed a major contributor to global warming that involves energy-intensive production processes along with emitting huge greenhouse gasses into the atmosphere. To adopt sustainable construction practices, agro-industrial waste ma...
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Domante Niuniavaite, Kestutis Baltakys and Tadas Dambrauskas
In this work, the kinetic parameters of Co2+ ion adsorption by a-C2SH were determined. a-C2SH was synthesized under hydrothermal conditions at 175 °C, when the duration of isothermal curing was 24 h and the molar ratio of...
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Chulseoung Baek, Junhyung Seo, Moonkwan Choi, Jinsang Cho, Jiwhan Ahn and Kyehong Cho
Circulating fluidized bed combustion (CFBC) power generation technology is known to efficiently reduce the emission of air pollutants, such as SO2 and NO2, from coal combustion. however, CFBC coal ash contains high contents of free CaO, making it difficu...
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Diana M. Burgos, Luisa M. Cardona, Álvaro Guzmán, Khandaker M. Anwar Hossain, Silvio Delvasto
Pág. 447 - 456
AbstractThis article presents results of a research about the effect to incorporate Colombian volcanic materials as a replacement of ordinary Portland cement on its hydration process. For this particular case were used Tolima volcanic material (TVM) and ...
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