Essays about: "sprayed concrete"
Found 3 essays containing the words sprayed concrete.
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1. Laboratory testing of shotcrete with fibres of steel, basalt or synthetic materials
University essay from KTH/BetongbyggnadAbstract : Shotcrete or sprayed concrete has become an inevitable material for stabilising and supporting hard rock tunnels. To prevent rock block fallouts in the excavated tunnel, shotcrete is pneumatically projected under high pressure on the rock surface. READ MORE
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2. An experimental study of the validity of the round panel test method for shotcrete
University essay from KTH/BetongbyggnadAbstract : Shotcrete (sprayed concrete) was used for the first time in 1914 and has become of growing importance in stabilizing the excavated tunnel sections over the past century. Even though the technology develops, there are some difficult tasks such as the design of a bolt anchored tunnel lining made of shotcrete. READ MORE
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3. A parametric study of irregularly shaped shotcrete shells
University essay from KTH/BetongbyggnadAbstract : The shape of a tunnel wall after the task of blasting and drilling is typically irregular. After the tunnel wall is sprayed with shotcrete, the resulting shotcrete surface will also be irregular and have a big variation in thickness due to uneven shotcrete coverage. READ MORE