National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Possibilities of determination of the correlation relations for the strength characteristics of shotcrete
Liška, Marek ; Dufka,, Ámos (referee) ; Hubáček, Adam (advisor)
The thesis is focused on the possibility of establishing correlation relationships for the strength characteristics of sprayed concrete. The aim of the thesis is to study the fundamental properties of sprayed concrete recipes. An important point of the thesis will bemade by spraying concrete compared with concrete made with laboratory pressure. Based on the achieved results will be compiled correlation equations for a given set of concrete.
Possibilities of increasing the durability of shotcrete
Merta, Michael ; Dufka,, Amos (referee) ; Hubáček, Adam (advisor)
This thesis deals with an issue of shotcrete and possibilities of increasing its durability. Theoretical part of the thesis is conceived in a form of summary of current knowledge concerning shotcrete. The emphasis is mainly on the possibilities of using shotcrete in exposure classes XA and XF. The experimental part focuses on laboratory testing of shotcrete. Waterproofness of shotcrete, its surface resistance to water and chemical de-icing agents was tested with regard to a development of its compresive strength during maturation.
Possibilities of determination of the correlation relations for the strength characteristics of shotcrete
Liška, Marek ; Dufka,, Ámos (referee) ; Hubáček, Adam (advisor)
The thesis is focused on the possibility of establishing correlation relationships for the strength characteristics of sprayed concrete. The aim of the thesis is to study the fundamental properties of sprayed concrete recipes. An important point of the thesis will bemade by spraying concrete compared with concrete made with laboratory pressure. Based on the achieved results will be compiled correlation equations for a given set of concrete.
Possibilities of increasing the durability of shotcrete
Merta, Michael ; Dufka,, Amos (referee) ; Hubáček, Adam (advisor)
This thesis deals with an issue of shotcrete and possibilities of increasing its durability. Theoretical part of the thesis is conceived in a form of summary of current knowledge concerning shotcrete. The emphasis is mainly on the possibilities of using shotcrete in exposure classes XA and XF. The experimental part focuses on laboratory testing of shotcrete. Waterproofness of shotcrete, its surface resistance to water and chemical de-icing agents was tested with regard to a development of its compresive strength during maturation.

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