结果表明：RPC具有非常低的孔隙率，其气体渗透系数比传统混凝土的低1 ~ 2个数量级。
Results indicate that RPC possesses very low porosity and its air permeability is lower by 1-2 magnitudes than that of conventional concrete.
结果表明：掺入粉煤灰对混凝土的孔隙率及强度均有较大影响。
Results: indicate that addition of fly ash has great influence to concrete porosity and strength.
碳化减少碳化区和未碳化区孔径和孔隙率的同时也影响混凝土质量、强度和碱度等其它性能。
Carbonation reduces the pore size distribution and porosity of carbonated and non-carbonated part, and affects the concrete weight, strength, alkalinity et al.
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