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dis advantage of ordinary portland
Portland cement is made of,CaoSiO2Al2O3Fe2O3MgOAlkaliesSO3
Ordinary Portland cement is suitable. As per IRC 21, Portland Pozzolana Cement is limited for Plain Concrete only.
What I usually use is: 1 Part Portland Cement 2 Parts Medium to Coarse Sand 3 Parts Gravel or Rock
OPC - Ordinary Portland cementOPC - Materials used - Argillaceous and calcareous materialsPPC - Portland Pozzolona CementPPC - OPC + Pozzolonoc materials(fly ash, volcanic ash, pumicite at the time of grinding).
dis advantage of ordinary portland
Kinds of portland cement:Type - 1 - Ordinary portland cementType - 2 - Portland pozzolana cementType - 3 - Rapid hardening cementType - 4 - Low heat cementType - 5 - Sulphate resisting cement.
The Oak Island lighthouse has three distinct, wide stripes, white, black and grey. The lower third is the natural gray of Portland cement. The next section is white Portland cement and white quartz aggregate to enhance the white color. The top third or so is gray Portland cement with black coloring.
There are only slight chemical and physical differences between gray portland cement and white portland cement. These differences are due to raw material differences and sometimes, though not always, slight differences in manufacturing. The goal is to minimize the oxides (particularly iron and manganese) that impart the grayish color normally associated with portland cement. Souce:PCA (portland Cement Association)
The various types of ordinary portland cement are,Ordinary portland cement 33 gradeOrdinary portland cement 43 gradeOrdinary portland cement 53 grade
According to the Portland Cement Association, portland cement should not be capitalized.
Portland cement is made of,CaoSiO2Al2O3Fe2O3MgOAlkaliesSO3
Ordinary Portland cement is suitable. As per IRC 21, Portland Pozzolana Cement is limited for Plain Concrete only.
What I usually use is: 1 Part Portland Cement 2 Parts Medium to Coarse Sand 3 Parts Gravel or Rock
The Oak Island lighthouse has three distinct, wide stripes, white, black and grey. The lower third is the natural gray of Portland cement. The next section is white Portland cement and white quartz aggregate to enhance the white color. The top third or so is gray Portland cement with black coloring.
this chart was show the process of portland cement
There are 3 types of cement,OPC (Ordinary Portland cement)PPC (Portland pozzolona cement)Special Cements.