wet-mix shotcrete

wet-mix shotcrete

A shotcrete in which all the ingredients (including water) are mixed before they are fed into the delivery hose.
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References in periodicals archive ?
In wet-mix shotcrete, the nano-silica's spontaneous binding capacity enables nozzlemen to reach a specified lining or cover thickness in fewer passes versus application of a conventional silica fume mix.
Yun, "Air-void structure, strength, and permeability of wet-mix shotcrete before and after shotcreting operation: the influences of silica fume and air-entraining agent," Cement and Concrete Composites, vol.
Had cracks in the underlying concrete been sealed properly to stop leaks, and had wet-mix shotcrete been applied by a well-trained, conscientious crew, city officials likely would have gotten the results they wanted.
Wet-mix shotcrete has been specified for the final shaft lining, and the local subsidiary of Swiss-based specialist supplier, MBT, won a R1.5 million contract to provide materials and admixtures for the shotcrete.
Pumping process is the first phase ahead of spraying concrete to a substrate, which is very important for wet-mix shotcrete. However, blockages, leading to low work efficiency and causing the danger of pipe explosion in site, occur occasionally during pumping process, especially at the stage of startup if the lubricating layer that generally forms between the pipe and the material bulk was broken or not formed [1, 2].
mainly evaluated the pumpability of wet-mix shotcrete including various admixtures, that is, silica fume, fly ash, ground granulated blast furnace slag, metakaolin, and steel fibers based on rheological properties.
Pumpability and shootability are important functional parameters considered in the design procedure for wet-mix shotcrete (WMS) mixtures [1].