powder fines 中文意思是什麼
powder fines
解釋
極細粉末-
When the amount of powder is same, the finer the powder, the less the ratio of linear contraction ; at the same hydration, different fines of particle results in the different linear contraction regulation. in initial hydration, the ratio grows with the fines ; the less fines the fewer ratios. after that linear contraction of hpc gradually gets to the balance
高鈦礦渣的加入明顯降低混凝土的線收縮率，摻量相同時，礦渣細度的越細，高鈦渣混凝土線收縮率越小；相同齡期時，摻不同細度高鈦礦渣混凝土收縮28天內，高鈦礦渣混凝土收縮率與高鈦礦渣的細度幾乎成比例的增長，而後期收縮線比較平，說明後期的收縮基本達到平衡。
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