| Abstract [eng] |
In this master thesis the possibility to use biomass ash in cement systems is investigated. Thesis consists of three main parts: literature review, study methods and rezults with their analysis. In the first part of thesis the origin biomass ash, their usage in cement systems and ecological problems are discussed. Also, the information about portlandcement composition and its properties is presented. Various literature about origin of zeolite, its classification, properties and research of its usage in cement systems is studied. In the second part of thesis the methods used in this study are presented. The scheme of conducted experiments is illustrated. Experimental methods and their process, as well as, tools and equipment are described. Equations for calculation of results and their comparison are given. In the final part of thesis the elemental composition of initial materials and their processing methods are discussed. The usage of zeolitised biomass ash usage in cement systems is analysed, as well as, the analysis of mineralogical composition of formed zeolite is performed. Compressive strength of cement stone with supplementary material is studied and the comparison of concrete samples compressive and bending strength with control samples is presented. |
