Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Giedrius GIRSKAS"'
Publikováno v:
Buildings, Vol 13, Iss 10, p 2576 (2023)
This article analyses the combined effect of a mixture of natural zeolite and ground soda lime silicate glass on the durability properties of concrete. The specimens were prepared by replacing 25% of the cement with a mixture of zeolite and glass at
Externí odkaz:
https://doaj.org/article/4afa274db3294d9dbc45f857bff3b75c
Publikováno v:
Ceramics-Silikáty, Vol 65, Iss 3, Pp 247-254 (2021)
The application of natural zeolite clinoptilolite (Si/Al = 5.8) for substituting up to 20 vol% of the cement (in mortars) was studied. The effect of the natural zeolite on the consistency and compressive strength at 7, 28 and 90 days was tested at di
Externí odkaz:
https://doaj.org/article/8a8d34fa7a3c4652ba7b3f7b47ed70a5
Autor:
Džigita NAGROCKIENĖ, Albinas GAILIUS, Gintautas SKRIPKIŪNAS, Ina PUNDIENĖ, Giedrius GIRSKAS, Anastasija ABASOVA
Publikováno v:
Medžiagotyra, Vol 19, Iss 3, Pp 337-342 (2013)
The article analyzes the effect of plasticizing admixture content on the physical and mechanical properties of concrete made of 50 % coarse aggregate. The plasticizer dosage levels proposed by the manufacturer (0.2 % – 1.2 %) were examined and the
Externí odkaz:
https://doaj.org/article/fd7a933d71a04fb5aad1a25b2453d935
Autor:
Gintautas SKRIPKIŪNAS, Džigita NAGROCKIENĖ, Jadvyga KERIENĖ, Eugenijus JANAVIČIUS, Giedrius GIRSKAS, Algimantas ŠPOKAUSKAS
Publikováno v:
Medžiagotyra, Vol 19, Iss 1, Pp 108-114 (2013)
This article analyses the results of the freezing – thawing with deicing salt test where changes in the microstructure of the surface layer in contact with aggressive environment of hardened cement paste produced with and without sodium silicate (h
Externí odkaz:
https://doaj.org/article/60e4a81321fd4a65ba7d30f30dd8889e
Publikováno v:
The Baltic Journal of Road and Bridge Engineering, Vol 11, Iss 3 (2016)
Concrete paving blocks that were started to be used in the last century have become very popular. They became an alternative to the natural stone. Concrete paving blocks are used for the paving of pedestrian and vehicle zones. Durability is one of th
Externí odkaz:
https://doaj.org/article/d2c8ea673b284471919a2bad3d193f3d
Autor:
Yurij G. Pauliukevich, Olga Kizinievič, Yurij A. Klimash, Mikalai M. Hundzilovich, Giedrius Girskas
Publikováno v:
Engineering Structures and Technologies, Vol 7, Iss 3 (2016)
Designed composition of ceramic mass for high-alumina porous permeable ceramic material for disperse micro hydro systems. The filler used alumina fraction 100–250 microns, as a binder system studied refractory clay Veselovskaya–medicalglass–gib
Externí odkaz:
https://doaj.org/article/8248f725a19c47e48ae982087356cd0e
Autor:
Aurimas Rutkauskas, Giedrius Girskas
Publikováno v:
Mokslas: Lietuvos Ateitis, Vol 7, Iss 5 (2016)
Aggregate alkaline corrosion of cement in concrete is going to respond in sodium and potassium hydroxide (lye) with active SiO2 found in some aggregates. During this reaction, the concrete has resulted in significant internal stresses which cause def
Externí odkaz:
https://doaj.org/article/347aa8e1283e4ca09b9919cf9ec10699
Publikováno v:
The Baltic Journal of Road and Bridge Engineering, Vol 7, Iss 4, Pp 269-276 (2012)
Concrete is widely used in the structures of bridges, flyovers, sidewalks and carriageways that are exposed to freeze-thaw cycles in wet conditions and are treated with de-icing salts. Tests were made to examine the effect of sodium silicate solution
Externí odkaz:
https://doaj.org/article/ef128a5fafd045a99d77710eaacdafdb
Publikováno v:
Medžiagotyra, Vol 17, Iss 2, Pp 203-207 (2011)
Frost resistance is one of the key indicators of concrete quality. Frost resistance can be determined by direct testing; however it is time-consuming and labour-intensive method. Concrete decomposition is a complex process (from initial signs of degr
Externí odkaz:
https://doaj.org/article/b7a75f19c27d4d2d8f9f0d5b23d1695e
Publikováno v:
Engineering Structures and Technologies, Vol 6, Iss 4 (2015)
Concrete is the most widely used building material obtained by hardening the mix made of coarse and fine aggregates, cement as the binding material, and water. The basic properties of concrete depend on the quality and properties of cement, w/c ratio
Externí odkaz:
https://doaj.org/article/50f3ae7287ae490a8ec85b0934fba713