Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Bohumil Kasal"'
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e04006- (2024)
This study investigated the bond properties between flax fibre reinforced polymer (FFRP) mesh and various cementitious matrices, examining the impact of incorporating medium-sized recycled aggregates (2 – 8 mm). Enhancement strategies included modi
Externí odkaz:
https://doaj.org/article/01ccc1464c724580ba67cdbc906ff40a
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 33, Pp 398-403 (2022)
The goal of this research was to study the strength of the interfacial bond between cast-in-situ concrete and engineered timber (cross-laminated timber (CLT)). Double lap specimens were manufactured using fresh concrete that was cast between two CLT
Externí odkaz:
https://doaj.org/article/abc1f7a8b22549c8927c098c8920acbd
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 33, Pp 175-180 (2022)
Four-point bending tests were conducted on five medium-sized (i.e., 2300 mm in length and 215 mm in width) engineered timber (laminated veneer lumber (LVL) and cross-laminated timber (CLT)) - concrete (wood chip concrete and plain concrete) composite
Externí odkaz:
https://doaj.org/article/b32d11d20c5e47e2a90c937eeb906684
Autor:
Chang Gao, Liang Huang, Libo Yan, Bohumil Kasal, Wengui Li, Ruoyu Jin, Yutong Wang, Yin Li, Peng Deng
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 2727-2738 (2021)
Nanomaterials have been used in improving the performance of construction materials due to their compacting micro-structure effect and accelerating cement hydration reaction. Considering the brittle characteristic of fiber reinforced polymer (termed
Externí odkaz:
https://doaj.org/article/3808995d71dd4d089e9aa9b53e317e47
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss , Pp 1441-1484 (2021)
Synthetic fibre reinforced polymer (FRP) composite materials have been widely used in engineering fields, e.g., civil, automotive, and aerospace industry, due to their high specific modulus and strength, corrosion resistance, and relatively high dura
Externí odkaz:
https://doaj.org/article/046cd008ccd04e4f93344f9d8d41099e
Autor:
Juan Li, Bohumil Kasal
Publikováno v:
Journal of Materials in Civil Engineering. 35
Lignocellulosic materials in an alkaline cement environment can be subjected to degradation that always starts from the surface. Atomic force microscopy has been used to establish the changes of surface properties of wood-cell walls. We measured the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6299ced8becb8d8db646503344175f89
https://doi.org/10.1061/jmcee7.mteng-14910
https://doi.org/10.1061/jmcee7.mteng-14910
In this study, the microstructure, chemical composition, linear density, tensile modulus of elasticity, tensile strength and strain at break of coir fibres exposed to saturated Ca(OH)2 solution (i.e., pH = 12.5) up to 24 weeks were investigated. Diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02cc8cde0f6696d7407c88884a3275ce
https://publica.fraunhofer.de/handle/publica/437279
https://publica.fraunhofer.de/handle/publica/437279
In this study, the long-term pullout behavior and microstructure of the embedded coir fibers (a bundle of multi-monofilament fibers) from cementitious matrix were investigated. The experimental results were analyzed through statistical tests (i.e., S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8424168106d82ea957d8861ad0820c2
https://publica.fraunhofer.de/handle/publica/442426
https://publica.fraunhofer.de/handle/publica/442426
Publikováno v:
Springer Handbook of Wood Science and Technology ISBN: 9783030813147
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::692d7c93e469c0a00e7e885e456953da
https://doi.org/10.1007/978-3-030-81315-4_9
https://doi.org/10.1007/978-3-030-81315-4_9
Publikováno v:
Frontiers in Materials, Vol 4 (2017)
Using plant-based natural fibers to substitute glass fibers as reinforcement of composite materials is of particular interest due to their economic, technical, and environmental significance. One potential application of plant-based natural fiber rei
Externí odkaz:
https://doaj.org/article/041cb0db7e304769ab2519cce5fbeb51