Although the effect of HPMC content in the ranges of 1.3%, 1.4% and 1.5% on the setting time is not as significant as the water–cement ratio, through the previous single-factor test analysis, it can be concluded that the setting time of the slurry can be significantly prolonged compared with the net slurry after adding HPMC.
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Research and Development of Cement-Based Dynamic Water Grouting Material for the CSM Construction Method.
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