Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Domingo Alfonso Martín"'
Publikováno v:
Anales de Edificación, Vol 7, Iss 3, Pp 7-9 (2021)
Se informó que la producción mundial de cemento Portland fue de 4650 millones de toneladas en 2016. Dicha producción de cemento exige una cantidad significativa de recursos naturales y energía. Además, la producción de una tonelada de cemento P
Externí odkaz:
https://doaj.org/article/5fcf5c147c644b51857304d193aec816
Publikováno v:
Materials, Vol 15, Iss 24, p 8914 (2022)
Ternary Portland cement usage with a high amount of cement constituents different from clinker can afford great climate change advantages by lowering the Portland cement clinker content in the final product. This will contribute to cutting greenhouse
Externí odkaz:
https://doaj.org/article/1de0bcd36c8947a6b0fc455cec8a96c9
Publikováno v:
Molecules, Vol 26, Iss 17, p 5348 (2021)
This work presents the results of the study of the physical, chemical, mineralogical and pozzolanic properties of the altered volcanic tuffs (AVT) that lie in the Los Frailes caldera, south of the Iberian Peninsula, and demonstrates their qualities a
Externí odkaz:
https://doaj.org/article/2f0dfb56e49040d1b1129654aa4ffd6f
Publikováno v:
Molecules, Vol 26, Iss 15, p 4676 (2021)
This work describes the newly discovered zeolites in the eastern region of Cuba. In the researched area, there have been no previous studies of natural zeolite exploration. Therefore, the results shown here are new. The main object of this research i
Externí odkaz:
https://doaj.org/article/3e52af7a6e98498ea51f68d83e05ef77
Publikováno v:
Materials, Vol 14, Iss 12, p 3239 (2021)
Ternary Portland cements are new cementitious materials that contain different amounts of cement replacements. Ternary Portland cements composed of granulated blast-furnace slag (GBFS), coal fly ash (CFA), and clinker (K) can afford some environmenta
Externí odkaz:
https://doaj.org/article/f10cc9bf04ba44569c6cad48e246b85e
Publikováno v:
Crystals, Vol 11, Iss 6, p 706 (2021)
The objective of this work was to investigate and demonstrate the pozzolanic properties of the bentonites found at the San José–Los Escullos deposit, located in the southeast of the Iberian Peninsula, to be used in the manufacturing of more durabl
Externí odkaz:
https://doaj.org/article/bf1b5798ac6d4bfca6f138ec2d299357
Publikováno v:
Applied Sciences, Vol 11, Iss 9, p 3747 (2021)
This work aims to study the relationship between the compression resistance and velocity from ultrasonic pulses in samples of mortars with 25% of pozzolanic content. Pozzolanic cement is a low-priced sustainable material that can reduce costs and CO2
Externí odkaz:
https://doaj.org/article/bc4c1ec22b6445fbbc6d46668030aa87
Publikováno v:
Crystals, Vol 10, Iss 2, p 133 (2020)
The purpose of this paper is to establish some correlations between the main technical parameter with regard to the cement-based materials technology, the 28-day compressive strength, and ultrasonic pulse velocity of standard mortar samples cured at
Externí odkaz:
https://doaj.org/article/0115e6bd4f494df482d9f0d4738b8e51
Autor:
Leticia Presa, Santiago Rosado, Christian Peña, Domingo Alfonso Martín, Jorge Luis Costafreda, Beatriz Astudillo, José Luis Parra
Publikováno v:
Processes, 2023-02-22, Vol. 11, No. 657
Processes
Volume 11
Issue 3
Pages: 657
Processes
Volume 11
Issue 3
Pages: 657
The eruption of the Cumbre Vieja volcano on 19 September 2021, resulted in the deposition of large quantities of volcanic ash (VA), causing a great impact on the citizens. This work aims to study the properties of this volcanic ash as pozzolanic raw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8af39c264a1a960a0fdaaa7f876286ce
https://oa.upm.es/72708/
https://oa.upm.es/72708/
Autor:
José Luis Parra, Leticia Presa, Jorge Luis Costafreda, Rafael Navarro, Alicia Calvo, Domingo Alfonso Martín, Ricardo Castedo, Esteban Estévez, Miguel A. F. Sanjuán
Publikováno v:
Crystals
Volume 11
Issue 11
Crystals, ISSN 2073-4352, 2021-11-10, Vol. 11, No. 11
Archivo Digital UPM
Universidad Politécnica de Madrid
Crystals, Vol 11, Iss 1367, p 1367 (2021)
Volume 11
Issue 11
Crystals, ISSN 2073-4352, 2021-11-10, Vol. 11, No. 11
Archivo Digital UPM
Universidad Politécnica de Madrid
Crystals, Vol 11, Iss 1367, p 1367 (2021)
This work presents the results of the partial substitution of Portland cement (PC) by natural fluorite (NF) and calcined fluorite (CF) in mortars, at 10%, 25% and 40%. To meet these objectives, a sample of fluorite was initially studied by XRD, SEM a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58ec5f93503af13cbb7d559d86ed44b5