Pozzolanic cement • As per Indian standard, the proportions of Pozzolana may be 10 to 25 % by weight. e.2. Burnt clay, shale, Fly ash. • This Cement has higher resistance to chemical agencies and to sea water because of absence of lime. • It evolves less heat and initial strength is less but final strength is 28 days onward equal to ordinary Portland cement. • It possesses less resistance to the erosion and weathering action. • It imparts higher degree of water tightness and it is cheap. - Study24x7
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Pozzolanic cement • As per Indian standard, the proportions of Pozzolana may be 10 to 25 % by weight. e.2. Burnt clay, shale, Fly ash. • This Cement has higher resistance to chemical agencies and to sea water because of absence of lime. • It evolves less heat and initial st...

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