Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Janusz Konkol"'
Autor:
Janusz Konkol
Publikováno v:
Buildings, Vol 10, Iss 3, p 52 (2020)
The modern methods of materials (including cement matrix materials) design and testing impose the application of an approach appropriate to materials engineering. A quantitative description of the association between the properties of these materials
Externí odkaz:
https://doaj.org/article/219dbdfa183246cb9d0fb0e15eec9a63
Autor:
Janusz Konkol
Publikováno v:
Buildings, Vol 9, Iss 8, p 174 (2019)
Modern methods of designing and testing concrete must be extended to appropriate material engineering approaches. It is then crucial to link the properties of concrete with its structure described in a quantitative way. The aim of the article was to
Externí odkaz:
https://doaj.org/article/dd29ef626d2e4dea93d60120606ba017
Autor:
Janusz Konkol, Grzegorz Prokopski
Publikováno v:
Image Analysis and Stereology, Vol 30, Iss 2, Pp 89-100 (2011)
The article presents the results of examination of the fractal dimension D of macro-pores in concrete. The concretes were made from coarse basalt aggregate. Fractal examinations showed that the fractal dimension D of macro-pores in concrete was diffe
Externí odkaz:
https://doaj.org/article/507d3a88a0a849979b249d1a7edbdaf6
Autor:
Janusz Konkol
Publikováno v:
Budownictwo i Architektura, Vol 12, Iss 3 (2013)
The aim of the paper is to present the results of experiments on concretes after 180 days of hardening with metakaolinite addition. Measurements of compressive strength fc, critical stress intensity factor KIcS and fractal dimension Dm were performed
Externí odkaz:
https://doaj.org/article/a9a856b0320044c7b5e6601a63f5afdc
Publikováno v:
Materials; Volume 16; Issue 11; Pages: 3969
This article presents the results of a study of the physical and mechanical properties of fine-grained fly ash concrete based on a combined reinforcement with steel and basalt fibers. The main studies were conducted using mathematical planning of exp
Autor:
Barbara Tchórzewska-Cieślak, Monika Zdeb, Andżelika Domoń (Pietrzyk), Janusz Konkol, Eleonora Sočo, Dorota Papciak
Publikováno v:
Water; Volume 14; Issue 15; Pages: 2401
In the conducted study, an attempt was made to verify and evaluate the impact of the biofilm formed on the surfaces of the installation material on the quality and sanitary safety of tap water reaching the consumer. For biofilm studies, fractal analy
Autor:
Maria Pietras, Janusz Konkol
Publikováno v:
Zeszyty Naukowe Politechniki Częstochowskiej. Budownictwo. 176:149-155
Publikováno v:
Polymers; Volume 14; Issue 24; Pages: 5467
The article shows the effectiveness of the use of polymer additives for the production of fine-grained concrete mixtures and concretes based on using coal fly ash, which can be used as working mixtures for a 3D printer. Using mathematical planning of
Autor:
Wioleta Iskra-Kozak, Janusz Konkol
Publikováno v:
Materials
Volume 14
Issue 16
Materials, Vol 14, Iss 4441, p 4441 (2021)
Volume 14
Issue 16
Materials, Vol 14, Iss 4441, p 4441 (2021)
This article presents the effect of aluminum nanoxide on the physical, strength and structural properties of cement mortars. The mortars were made with a water to binder ratio of 0.5 and a binder to sand ratio of 1:3
and 1%, 2%, 3% and 4% of alu
and 1%, 2%, 3% and 4% of alu
Publikováno v:
Coatings
Volume 11
Issue 11
Coatings, Vol 11, Iss 1286, p 1286 (2021)
Volume 11
Issue 11
Coatings, Vol 11, Iss 1286, p 1286 (2021)
The quantitative analysis of biofilm can be used not only to assess the microbiological stability of tap water but also on its basis can assess: the degree of colonization of materials by bacterial cells, the rate of biofilm formation on the surfaces