macro porosity 中文意思是什麼
macro porosity
解釋
大氣孔率-
In the laboratory, it has been found that the incorporation of straw into the soil increased the coefficient of saturated soil penetration, thus the macro - porosity of soil
實驗室測定表明，在土壤中加入稻草可以增加土壤的飽和透水系數，這說明土壤的大孔隙增加了。 -
The result indicated that, mix the mineral mixture of fly ash, flag into concrete can optimize the concrete pore structure, improve the concrete compressive strength and impermeability, and along with the age increment the improvement become more obviously ; after saturated freezing and thawing, the concrete pore structure changed apparently, total porosity increased, macro porous quantity rapid increased, small pore quantity reduced, mean radius and most probable aperture increased ; and the more saturated degree, the more obviously destructive effect
研究表明:在混凝土中摻加粉煤灰、礦渣等礦物摻合料優化了混凝土的孔結構，提高了混凝土的抗壓強度和抗滲性能，且隨齡期的延長這種改善作用更加明顯;飽水凍融后混凝土的孔結構變化明顯，總孔隙率增加，大孔數量急劇增大，小孔數量減小，平均孔徑和最可幾孔徑增大;且飽水程度越大，這種破壞作用越明顯。
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