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Civil - Construction Materials: Lime, Cement, Aggregates, Mortar

Cement: Le-chatelier Method

   Posted On :  14.07.2016 11:51 pm
Cement: Le-chatelier Method

The apparatus is shown in Fig. 30. The mould is placed on a glass sheet and is filled with neat cement paste formed by gauging 100 g cement with 0.78 times the water required to give a paste of standard consistency.


Le-chatelier Method:

The apparatus is shown in Fig. 30. The mould is placed on a glass sheet and is filled with neat cement paste formed by gauging 100 g cement with 0.78 times the water required to give a paste of standard consistency. The mould is covered with a glass sheet and a small weight is placed on the covering glass sheet. The mould is then submerged in the water at temperature of 27 o -32 o C. After 24 hours, the mould is taken out and the distance separating the indicator points is measured. The mould is again submerged in water. The water is now boiled for 3 hours. The mould is removed from water and is cooled down. The distance between the indicator points is measured again. The difference between the two measurements represents the unsoundness of cement.

Tags : Civil - Construction Materials: Lime, Cement, Aggregates, Mortar
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