Zobrazeno 1 - 10
of 297
pro vyhledávání: '"Ultrasound pulse"'
Autor:
Leyla Tanaçan, Kübra Ekiz Barış
Publikováno v:
Journal of Sustainable Construction Materials and Technologies, Vol 9, Iss 1, Pp 11-24 (2024)
This study examined the influence of long-term curing duration on the properties of geopoly- mers produced through the geopolymerization reaction between Datça Pozzolan and sodium silicate and potassium hydroxide solutions. The specimens were heat c
Externí odkaz:
https://doaj.org/article/4d5f429cb41a480ebeaad964d7c0ec80
Publikováno v:
Selected Scientific Papers: Journal of Civil Engineering, Vol 18, Iss 1 (2023)
This paper studies the influence of core diameters and slenderness ratio on the assessment of the actual compressive strength of concrete on reinforced-concrete elements. The experiment consists of the preparation of three reinforced concrete columns
Externí odkaz:
https://doaj.org/article/a45ec19787864271aa7062a712305f9b
Autor:
Pahade Chandramohan, Parmar Umang, Salaam Ahmed, Rao D S N M, Manjunatha, Singla Atul, Rambabu Gottipati Venkata
Publikováno v:
E3S Web of Conferences, Vol 552, p 01090 (2024)
In non-destructive testing, materials, components, or assemblies are inspected, tested, or evaluated without being destroyed. In nondestructive testing, materials, components, and assemblies are evaluated for quality and integrity without damaging th
Externí odkaz:
https://doaj.org/article/7dcd6938d4dc40e7a11259a20614007b
Autor:
Al-Luhybi Ashtar S., Qader Diyar N.
Publikováno v:
Civil and Environmental Engineering, Vol 17, Iss 2, Pp 629-643 (2021)
Plastics are a vast group of synthetic or semi-synthetic materials that are often made of polymers. Because of their plasticity, plastics can be molded, extruded, and pressed into solid objects of different sizes. Its extensive use is due to its flex
Externí odkaz:
https://doaj.org/article/e74a89228b994889ba4e7d7ef7edc463
Publikováno v:
Materials Proceedings, Vol 13, Iss 1, p 7 (2023)
Geopolymers are new environmentally friendly cementitious materials that may offer an alternative to Ordinary Portland Cement. Not only do they have excellent mechanical properties, but they also have high temperature resistance. This research focuse
Externí odkaz:
https://doaj.org/article/32f39f9321d547a0a3e4c7cac09e8405
Autor:
Pablo Yeste-Lizán, Miguel Gomez-Heras, Manuel García-Rodríguez, Raúl Pérez-López, Luis Carcavilla, Jose A. Ortega-Becerril
Publikováno v:
Fire, Vol 6, Iss 2, p 46 (2023)
Wildfires are widely recognized as a cause of mechanical damage to rocks. Nevertheless, previous research has neglected how wildfires might impact sport climbing areas. In Spain, two large wildfires affected two climbing areas between 2020 and 2021.
Externí odkaz:
https://doaj.org/article/0855319adf1e41be95d48f29ead2bbdd
Akademický článek
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Akademický článek
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Akademický článek
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Publikováno v:
Medžiagotyra, Vol 24, Iss 4, Pp 428-436 (2018)
In this study it was investigated the behavior of class F fly ash based geopolymer mortars subjected to elevated temperatures. Geopolimer composites were prepared with CEN-sand, water, fly ash as the binder, nSiO2Na2O and NaOH mixture combination as
Externí odkaz:
https://doaj.org/article/1ff17281a61a44339c3ae2135cd1cf21