Shotcrete Quality Control and Testing for an Underground ... - saimm
Shotcrete Quality Control and Testing for an Underground ... - saimm
Shotcrete Quality Control and Testing for an Underground ... - saimm
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Plastic <strong>Shotcrete</strong> QC <strong>Testing</strong><br />
Test Method<br />
CSA A23.2-5C<br />
CSA A23.2-5C<br />
CSA A23.2-7C<br />
CSA A23.2-7C<br />
Modified<br />
CSA A23.2-7C<br />
Modified<br />
Test Procedure<br />
Slump at discharge into remixer unit<br />
Slump at discharge into shotcrete<br />
pump<br />
<strong>Shotcrete</strong> <strong><strong>an</strong>d</strong> ambient temperatures<br />
at discharge into remixer unit <strong><strong>an</strong>d</strong> at<br />
shotcrete pump<br />
Air content of plastic shotcrete at<br />
discharge into remixer unit <strong><strong>an</strong>d</strong> at<br />
shotcrete pump<br />
Air Content as-shot (without<br />
accelerator)<br />
Wash-out test to determine uni<strong>for</strong>mity<br />
of fibre distribution at discharge from<br />
remixer unit<br />
<strong>Testing</strong> Frequency<br />
Each batch of shotcrete<br />
produced<br />
At beginning of each shift<br />
Each batch of shotcrete<br />
produced<br />
At start of project <strong><strong>an</strong>d</strong> with <strong>an</strong>y<br />
ch<strong>an</strong>ge in mixture proportions<br />
At start of project <strong><strong>an</strong>d</strong> with <strong>an</strong>y<br />
ch<strong>an</strong>ge of mixture proportions<br />
At start of project <strong><strong>an</strong>d</strong> with <strong>an</strong>y<br />
ch<strong>an</strong>ge in fibre type or dosage
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