signification de 35/45 dans le ciment
La classification des ciments est normalisée par la norme marocaine NM 10.1.004, un CPJ 45 est un ciment dont la classe de résistance (NM 10.1.005) est 45 cad une résistance a la compression ordinaire a jeune âge, et une résistance a la compression a 28jours comprise entre 32.5MPa(limite inférieure) et 55MPa(limite supérieure). 35 et 45 se signifie le temps de durcissement
كاينين بزاف دالانواع ديال سيما مي جوج هما لمعروفين مزيان هما سيما د 45 وسيما د 35 السؤال الطروح هنا اش تتعني ديك 45 و 35 ??
ليداروا فيها سطاج غيعرفوها
Congratulations @atlas12! You have completed the following achievement on Steemit and have been rewarded with new badge(s) :
Click on the badge to view your Board of Honor.
If you no longer want to receive notifications, reply to this comment with the word
STOPTo support your work, I also upvoted your post!
Do not miss the last post from @steemitboard:
SteemitBoard World Cup Contest - France vs Belgium
Participate in the SteemitBoard World Cup Contest!
Collect World Cup badges and win free SBD
Support the Gold Sponsors of the contest: @good-karma and @lukestokes