GOST 28575-2014 Corrosion protection in construction Concrete and reinforced concrete constructions Structural concrete Test of vapor permeability of protection covers《施工中的腐蚀保护 混凝土.pdf

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6、7 2) %, , =c106ec215233675100,(2)Pi , , 20 - c106i, %, - () (), i=c106ic215233675100,.(3) (-) c106i= 14 %, () c106i=10%. .5.4.3 -:c100m,2 c100;c100m,1 c100 ., 5 %, . (c100m,1c100m,2) - , -5%., , .4 285752014 2 5.4.4 R 2c215 c215 / R =1112c100c100mm,c45 .(4)5.4.5 c1000/2c215 c215 c1000=1R.(5)5.5 :1) (, , , -, );2) , ( -, ), ( , );3) (, , );4) ( );5) (,);6) ;7) ;8) .6 6.1 :1) 3;2) d2;3) ;4) ;5) (20 c177 2) 40 % 98 %