Results 41 to 50 of about 16,734 (232)

The Use of Borax in Deterring Flash Setting of High Calcium Fly Ash Based Geopolymer [PDF]

, 2014
Geopolymer that was made with high CaO content fly ash was found to have higher compressive strength than the low CaO fly ash, using the same mixture composition.
Antoni,, WIJAYA, STEPHEN WIBIATMA, SATRIA, JUAN, SUGIARTO, AGUNG, Hardjito, Djwantoro   +4 more
core   +3 more sources

The Effect of Using Palm Kernel Shell Ash and Rice Husk Ash on Geopolymer Concrete

MATEC Web of Conferences, 2018
As already known, cement production is one of the biggest contributors to CO2 emissions due to combustion processes that require high temperatures. This can trigger global warming so the solutions to reduce or even eliminate the use of cement continue to
Hardjasaputra Harianto, Fernando Ivan, Indrajaya Judith, Cornelia Melanie, Rachmansyah   +4 more
doaj   +1 more source

Peat soil mass stabilization using geopolymeric hybrid material in early age [PDF]

MATEC Web of Conferences, 2019
Peat is an organic soil, highly compressible and has high water content. The soil needs to be stabilized chemically by incorporating binders such as cement and lime into the soil that will change the properties and soil strength.
Wibisono Gunawan, Erwin, Kamaldi Alfian, Olivia Monita   +3 more
doaj   +1 more source

Low Cost, Robust, Environmentally Friendly Geopolymer–Mesoporous Carbon Composites for Efficient Solar Powered Steam Generation [PDF]

, 2018
High-efficiency, environment friendly, renewable energy-based methods of desalination represent attractive and potentially very powerful solutions to the long-standing problem of global water shortage.
Bae, Chen, Chen, Ding, Elliott, Fang, Gao, George, Ghasemi, Guo, He, Hu, Ito, Jiang, Kiomarsipour, Li, Li, Li, Liu, Liu, Liu, Liu, Liu, Lou, Nagata, Ni, Ni, Ren, Selvakumar, Shannon, Sharma, Sharma, Shi, Surwade, Wang, Wang, Wang, Wang, Wang, Wang, Wang, Wu, Xu, Xue, Yang, Yang, Yang, Ye, Yin, Zeng, Zhang, Zhang, Zhang, Zhao, Zhou, Zhu, Zhu, Zhu   +57 more
core   +1 more source

Impact of wet supercritical CO2 injection on fly ash geopolymer cement under elevated temperatures for well cement applications

Journal of Petroleum Exploration and Production Technology, 2019
An alternative cement system created through geopolymerization of fly ash offers favorable properties such as able to resist acidic fluids and possess high compressive strength.
Syahrir Ridha, Riau Andriana Setiawan, Astra Agus Pramana, Muslim Abdurrahman   +3 more
doaj   +1 more source

Durability of Geopolymer Mortar and Portland Pozzolan Cement (PPC) Mortar against Sulfuric Acid

Media Komunikasi Teknik Sipil, 2023
The manufacture of cement is often criticized to produce high CO2 emission to environment. Reducing cement in construction is believed to be the solution for better environment.
Ilham Nurhuda, S.T., M.T., Ph.D., Yulita Arni Priastiwi, Nuroji Nuroji, Variandi Ardidawa, Chazaidhan AlFahd Nizami   +4 more
doaj   +1 more source

Extrusion-based additive manufacturing of concrete products. Revolutionizing and remodeling the construction industry [PDF]

, 2019
Additive manufacturing is one of the main topics of the fourth industrial revolution; defined as Industry 4.0. This technology offers several advantages related to the construction and architectural sectors; such as economic; environmental; social; and ...
Sambucci, Matteo, Sibai, Abbas, Valente, Marco   +2 more
core   +1 more source

Effect of surfactants on the distribution of natural rubber latex in cement and geopolymer composites based on X-ray computed tomography

Journal of Materials Research and Technology, 2022
The production of natural rubber latex (NRL) has increased significantly and its use, particularly in construction materials, has been promoted and studied. The presence of NRL in cement composites reduces crack formation and improves ductility. However,
Peerapong Jitsangiam, Pumipat K. Pachana, Ubolluk Rattanasak, Prinya Chindaprasirt   +3 more
doaj   +1 more source

Mechanical and durability assessments of steel slag-seashell powder-based geopolymer concrete

Heliyon, 2023
Globally, an increasing carbon footprint has had a negative effect on the ecosystem and all living things. One of the sources that produces these footprints is the cement manufacturing process.
Wilson Okoro, Solomon Oyebisi
doaj   +1 more source

Utilizing Saudi volcanic scoria in lightweight geopolymer for enhanced wellbore cementing

Scientific Reports
Geopolymer cement represents an innovative and environmentally friendly cement system that utilizes non-portlandite precursors to achieve cement hardening. Unlike traditional Portland cement, which accounts for approximately 5–8% of global CO₂ emissions,
Idham K. Rahmatullah, Abdulmalek Ahmed, Salaheldin Elkatatny, Ahmed M. Abd El Fattah   +3 more
doaj   +1 more source