Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Zbyněk Keršner"'
Autor:
Ivana Kumpová, Tomáš Fíla, Petr Koudelka, Iva Rozsypalová, Zbyněk Keršner, Daniel Kytýř, Michal Vopálenský, Daniel Vavřík
Publikováno v:
Civil Engineering Journal, Vol 2020, Iss 1, Pp 124-134 (2020)
Quasi-brittle materialslike cement-based composites, rocks,and bricksare subjected to a number ofenvironmental loadings throughout the life cycleof buildings. For instance, fluctuation ofthe ambient temperature (climaticcyclesor fire) causing a varie
Externí odkaz:
https://doaj.org/article/330a889ce2154459bf9796bdc3124cff
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 25, Iss 0, Pp 58-63 (2019)
This paper deals with the pilot characterization of a special alkali-activated aluminosilicate composite composed of waste brick powder, brick rubble and a solution of potassium water glass. Fracture tests were conducted on the specimens via three-po
Externí odkaz:
https://doaj.org/article/0404665b2ccb478b9e558ea9238707ee
Autor:
Iva Rozsypalová, Michal Vyhlídal, Richard Dvořák, Tomáš Majda, Libor Topolář, Luboš Pazdera, Hana Šimonová, Zbyněk Keršner
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 15, Iss 0, Pp 99-103 (2018)
In this paper, the attention is paid to the investigation of the influence of high temperature acting on specimens made from specially designed cement-based composite. The experimental programme was carried out on six sets of beam specimens with the
Externí odkaz:
https://doaj.org/article/0ba97cce54944b8299c355e0c234f405
Publikováno v:
Applied Sciences, Vol 9, Iss 9, p 1754 (2019)
Knowledge of the mechanical and primarily fracture parameters of composites with a brittle matrix is essential for the quantification of their resistance to crack initiation and growth, and also for the specification of material model parameters empl
Externí odkaz:
https://doaj.org/article/6d692777bd484774a6abc76c8fd58faa
6th International Conference Non-Traditional Cement and Concrete 2017Selected, peer reviewed papers from the 6th International Conference Non-Traditional Cement and Concrete 2017, June 19-22, 2017, Brno, Czech Republic
Publikováno v:
Solid State Phenomena. 336:135-144
This paper deals with selected aspects of the analysis of the displacement and deformation stiffness of cylindrical specimens during compressive tests. A developed correction model is presented, and two types of material were selected for the adjustm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4398c1f8010e629cc2ca3cd989da4ffe
https://doi.org/10.4028/p-h7h54e
https://doi.org/10.4028/p-h7h54e
Autor:
Zbyněk Keršner, Pavla Rovnaníková, Jiří Němeček, Martin Vavro, Leona Vavro, Barbara Kucharczyková, Hana Šimonová, Iva Rozsypalová, Michal Vyhlídal
Publikováno v:
Frattura ed Integrita Strutturale. 2022, vol. 16, issue 60, p. 13-29.
Frattura ed Integrità Strutturale; Vol. 16 No. 60 (2022): April 2022; 13-29
Frattura ed Integrità Strutturale; V. 16 N. 60 (2022): April 2022; 13-29
Frattura ed Integrità Strutturale; Vol. 16 No. 60 (2022): April 2022; 13-29
Frattura ed Integrità Strutturale; V. 16 N. 60 (2022): April 2022; 13-29
This paper concerns the results of research into the influence of the composition of rock inclusions on the fracture response of cement-based composite specimens. Specially designed specimens of the nominal dimensions 40 × 40 × 160 mm with inclusio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9aaf68748c4bc18f4be1e30bb23ec1b9
https://doi.org/10.3221/igf-esis.60.02
https://doi.org/10.3221/igf-esis.60.02
Autor:
Iva Rozsypalová, Pavla Rovnaníková, Zbyněk Keršner, Martin Lipowczan, Petr Daněk, David Lehký
Publikováno v:
Solid State Phenomena. 322:66-71
The paper deals with selected alkali-activated aluminosilicate (AAAS) composites based on ceramic precursors in terms of characterization by mechanical fracture parameters. Two composites made of brick dust as a precursor and an alkaline activator wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09ea8969f0e03635564719bb8a3a96f9
https://doi.org/10.4028/www.scientific.net/ssp.322.66
https://doi.org/10.4028/www.scientific.net/ssp.322.66
Publikováno v:
Solid State Phenomena. 322:54-59
The paper deals with selected alkali-activated aluminosilicate (AAAS) composites based on ceramic precursors in terms of their characterization by mechanical fracture parameters. Composites made of brick dust as a precursor and an alkaline activator
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cff021eb90dae5cad53e43826402692
https://doi.org/10.4028/www.scientific.net/ssp.322.54
https://doi.org/10.4028/www.scientific.net/ssp.322.54
Publikováno v:
Solid State Phenomena. 322:3-8
Mechanical fracture parameters were obtained for special fine-grained cement-based composites from three-point bending tests. A total of four sets of composite specimens were tested. All of the sets of composites were based on a general recipe and di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8f3e7ddf130c0453b0a06aaf8572f8a
https://doi.org/10.4028/www.scientific.net/ssp.322.3
https://doi.org/10.4028/www.scientific.net/ssp.322.3