When the stone waste powder content raise from 10% to 20%, the workability of the concrete was improved, the early strength of concrete was gradually increased and the later strength was reduced.

当废石粉掺量由10%增加至20%时，混凝土的工作性能均会得到提高，同时混凝土的早期强度也逐渐升高，但混凝土后期强度却会降低。

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When the stone waste powder content raise from 10% to 20%, the workability of the concrete was improved, the early strength of concrete was gradually increased and the later strength was reduced.

当废石粉掺量由10%增加至20%时，混凝土的工作性能均会得到提高，同时混凝土的早期强度也逐渐升高，但混凝土后期强度却会降低。

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