Study on the cementation and engineering properties of ternary eco-binder mortar containing pulverized coal fly ash mixed with circulating fluidized bed co-fired fly ash

Autor: Kae-Long Lin, Wei-Ting Lin, Sung-Ching Chen, Andina Sprince

Publikováno v: Journal of CO2 Utilization, Vol 83, Iss , Pp 102787- (2024)

This study aimed to verify the role and feasibility of co-fired fly ash (CFA) as an alternative construction material. It also demonstrated the engineering properties of CFA mortar and compared them with those of pulverized coal fly ash (PCFA) mortar

Externí odkaz: https://doaj.org/article/7e682f77d44749879f14d178c0c8be40

Early-Age Creep and Shrinkage Properties of Printed and Cast Cement Composite

Autor: Rihards Gailitis, Pauls Pudans, Krists Ziemelis, Girts Bumanis, Andina Sprince

Publikováno v: Materials Proceedings, Vol 13, Iss 1, p 35 (2023)

In recent years, 3D printing has been more and more used in the development of buildings and building elements. Mostly-printed structures are subjected to compression that is oriented perpendicular to the layer laying direction. When applying load in

Externí odkaz: https://doaj.org/article/058287e267f841f0a569b70acbc2b972

Tensile Creep of Cement and Concrete Composites: Monitoring by Means of 2D-Digital Image Correlation

Autor: Andina Sprince, Tomass Kozlovskis, Rihards Gailitis, Juozas Valivonis, Kinga Korniejenko, Arnaud Castel

Publikováno v: Applied Sciences, Vol 11, Iss 18, p 8334 (2021)

Creep and shrinkage of Cement and Concrete Composites (CCC) are significant properties that need to be considered to use these materials in practice. Many previous scientific studies revealed CCC creep characteristics under sustained compression and

Externí odkaz: https://doaj.org/article/b9fcfad8322b4c50a8a3d6e4934ca061

Different Fiber Reinforcement Effects on Fly Ash-Based Geopolymer Long-Term Deflection in Three-Point Bending and Microstructure

Autor: Rihards Gailitis, Leonids Pakrastins, Andina Sprince, Liga Radina, Gita Sakale, Krzysztof Miernik

Publikováno v: Materials; Volume 15; Issue 23; Pages: 8512

This study investigated the effect of a low amount of polyvinyl alcohol (PVA) and steel fiber reinforcement on fly ash-based geopolymer composite long-term deflection and its microstructure. For testing purposes, specimens with different amounts and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f671d1e3ebc252be4e1fe5ee390c3a9

PLAIN AND PVA FIBRE-REINFORCED GEOPOLYMER COMPACT TENSION SPECIMEN CRITICAL AREA SURFACE COMPOSITION ASSESSMENT

Autor: Andina Sprince, Kinga Korniejenko, Rihards Gailitis, Leonids Pakrastins, Patrycja Bazan

Publikováno v: ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 3 (2021): Environment. Technology. Resources. Proceedings of the 13th International Scientific and Practical Conference. Volume 3; 72-77

For more than 40 years, low calcium alkali-activated cement composite, or in other words, geopolymer, has been around. In recent years there has been increased interest in this material and its properties. It is mainly due to the claim that geopolyme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94e938ed7231bda4651180d8e8ae81a3
https://doi.org/10.17770/etr2021vol3.6569