Guidelines for Shotcreting and Current Development in the Wet-Mix Technique in Finlandby J. Pöllä, Technical Research Cent of Finland, Espoo, Finland,
Abstract: Guidelines for shotcreting were written based on the literature survey and shotcreting trials. During shotcreting trials existing Norwegian and Middle-European wet-mix shotcreting concepts were modified. The dosage of accelerator is 1 - 2%, strength properties are satisfactory and watertightness is good. Nowadays the wet-mix shotcrete and steel fibres are approved method is rock engineering. The length of fibres is typically 25 mm and dosage is 60 kg/m3.
Subject Headings: Steel fibers | Rocks | Materials processing | Shotcrete | Geomatic surveys | Finland | Europe
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