采用水泥基材料孔结构和界面过渡区逐渐优化的方法,设计了普通混凝土(Ordinary Concrete,简称OC)、高性能混凝土(High Performance Concrete,简称HPC)、低渗透混凝土(Low Permeability Concrete,简称LPC)、普通砂浆(Ordinary Mortar,简称OM)、无细观界面过渡区水泥基复合材料(Meso-interfacial transition zone-free cement-based materials,简称MIF)等5种水泥基材料,其抗离子渗透性能排列顺序为:LPC>HPC>OC,OM>OC,MIF>OM,MIF>LPC,其孔隙率、最可几孔径、孔径≥50nm的孔含量的排列顺序均为:LPC By means of gradual optimization of pore structure and interfacial transition zone,five kinds of cement-based materials were designed,including ordinary concrete (OC),high performance concrete (HPC),low permeability concrete (LPC),ordinary mortar (OM) and meso-interfacial transition zone-free cemenvbased materials(MIF).As for the ability to resist chloride ion penetration,the order is LPC>HPC>OC,OM>OC,MIF>OM,MlF>LPC.As for porosity,the most probable pore radius,and the content of the pores with radius of larger than 50nm,the order is LPC
参考文献
[1] | 水中和,万惠文,钟杰.离子传输与混凝土耐久性[J].国外建材科技,2003(03):1-3. |
[2] | 陈惠苏,孙伟,Stroeven Piet.水泥基复合材料集料与浆体界面研究综述(二):界面微观结构的形成、劣化机理及其影响因素[J].硅酸盐学报,2004(01):70-79. |
[3] | 陈惠苏,孙伟,Stroeven Piet.水泥基复合材料界面对材料宏观性能的影响[J].建筑材料学报,2005(01):51-62. |
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