Portland Pozzolan Cement Application

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Portland Pozzolan Cement Application

This type of cement more in addition to the general uses, is used in huge structures as well, because It has less hydration heat that Cement type 1 and 2 and the most important advantage of this cement is its  more chemical resistance and this type of cement is recommended in environments that the  sulfates and Clare attack is more probable. Speed of growing resistance in this type of cement is less than cement type 2 and type 5 but in long term loss of resistance is recovered.

We should pay attention that to increase concrete’s workability you must not increase the proportion of water more than cement, on the other hand because of low speed and hydration heat and slow pozzolan reaction with cement compounds curing concrete with pozzolan cement has to be continuous and wet and in other words the concrete curing situation in comparison with Portland cements has to be provided for longer time.

Totally important specialties of concrete made of Pozzolan concrete are less permeability, high durability and favorable chemical resistant.

Category:
Description
RowType of CementType of TestForced limits matching Iran Standard under No. ISIRI389Delijan Cement Specs
2Portland Pozzolan Cement3 day Compressive StrengthMin 100 kg/cm2200 kg/ cm2
7 day Compressive StrengthMin 175 kg/cm2280 kg/cm2
28 day Compressive StrengthMin 315 kg/cm2400 kg/ cm2
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