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High-strength non-shrinkage grouting is a very important part of grouting. When mixing high-strength non-shrinkage grout, first add pre-weighed mixing water to the mixing machine, and slowly add the grout while adding the blender. After the completion, the mixture was slowly stirred for 90 seconds, then rapidly stirred for 60 seconds, and then allowed to stand for 30 seconds, and then stirred for 60 seconds. The stirring was sufficient, the slurry was uniformly dispersed, and the slurry state was good.