National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Numerical analysis of selected silicate based composites shrinkage
Drbušková, Magdaléna ; Vlk, Zbyněk (referee) ; Keršner, Zbyněk (advisor)
The thesis is divided into two main parts. In the first theoretical part is described the problems of shrinking including a comparison of Czech standard and Model Code 2010, Vol. 1. The second practical part of the master`s thesis is focused on the numerical analysis shrinkage primarily on the initial stage of this process. The experimentally obtained data are set approximations of the relative deformation using ShrCeC. Subsequently the numerical simulation of shrinkage of selected silicate specimens using a computer applications SpatiDist and FyDiK 2D. The real test specimens are modelled as two-component composite consisting of cement paste and aggregates. The result is a parametric study takes into account the influence of type and size of grain aggregate.
Volume changes of selected cementitious composites: tests evaluation
Machačová, Denisa ; Lehký,, David (referee) ; Keršner, Zbyněk (advisor)
The topic of bachelor thesis is to evaluate experimentally observed volume changes of selected specimens of cement composites in the early stages of solidification and hardening. The material of tested specimens was ordinary and lightweight concrete. This work focuses on determining an approximation of the relative deformation of these specimens using a numerical model in the program shrcec.
Numerical analysis of selected silicate based composites shrinkage
Drbušková, Magdaléna ; Vlk, Zbyněk (referee) ; Keršner, Zbyněk (advisor)
The thesis is divided into two main parts. In the first theoretical part is described the problems of shrinking including a comparison of Czech standard and Model Code 2010, Vol. 1. The second practical part of the master`s thesis is focused on the numerical analysis shrinkage primarily on the initial stage of this process. The experimentally obtained data are set approximations of the relative deformation using ShrCeC. Subsequently the numerical simulation of shrinkage of selected silicate specimens using a computer applications SpatiDist and FyDiK 2D. The real test specimens are modelled as two-component composite consisting of cement paste and aggregates. The result is a parametric study takes into account the influence of type and size of grain aggregate.
Volume changes of selected cementitious composites: tests evaluation
Machačová, Denisa ; Lehký,, David (referee) ; Keršner, Zbyněk (advisor)
The topic of bachelor thesis is to evaluate experimentally observed volume changes of selected specimens of cement composites in the early stages of solidification and hardening. The material of tested specimens was ordinary and lightweight concrete. This work focuses on determining an approximation of the relative deformation of these specimens using a numerical model in the program shrcec.

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