Posts

Showing posts from March, 2019

Field Tests of Cement

  Sometimes it is required to perform tests for evaluating the condition of the supplied cement in site within a very short period of time. As it is not possible to have any laboratory test in this short period, therefore, it is done with the help of some basic field tests. Although these tests are not very accurate, they provides some basic idea to the civil engineer regarding the quality of the cement. Field Tests of Cement for Civil Engineers Date of Manufacturing: As the strength of cement reduces with age, the date of manufacturing of cement bags should be checked. Cement Color: The color of cement should be uniform. It should be typical cement colour i.e. grey colour with a light greenish shade. Whether Hard Lumps are Formed: Cement should be free from hard lumps. Such lumps are formed by the absorption of moisture from the atmosphere. Temperature Inside Cement Bag: If the hand is plunged into a bag of cement, it should be cool inside the cement bag. If hydra...