It is one of the type of cements where the initially set in 5 mins and final set is achieved in 30 mins, which is used in the special conditions of construction like in running water. In this article we ...
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How to Check Cement Quality at Construction Site?
Quality tests on cement at construction site (also called field tests on cement) are carried to check quality of cement supplied for construction use.
Environment Exposure Conditions of Structures
As per IS 456, an environmental exposure is divided into five parts, i.e. mild, moderate, severe, very severe and extreme. Structures constructed in different conditions have different effects and measures shall be taken to protect the structures under severe to ...
Rapid Hardening Cement – Manufacture, Properties and Uses
Rapid hardening cement is a special type of cement that achieves high strength in less time. Normally the strength achieved by conventional cements in 7 days is same as the strength achieved in 3 days. This type of cement is also ...
Properties of Various Grades of Ordinary Portland Cement
Properties of 33, 43 and 53 grades of Ordinary Portland Cement such as fineness, setting times, soundness, expansion, compressive strength based on Indian, American and Eurocodes. Ordinary Portland Cement(OPC) is the most widely used cement in the world for producing ...
Determination of Specific Gravity of Cement and Its Importance
The specific gravity is normally defined as the ratio between the weight of a given volume of material and weight of an equal volume of water. The portland cement have a specific gravity of value around 3.15. When it comes to ...
Final Setting Time of Cement as per IS:4031-Part 5
Take 400 gm of cement in a pan. Prepare a neat cement paste by adding 0.85 times the water required to give a paste of standard consistency by the previous test. Start a stop watch at the instant when water ...
Initial Setting Time of Cement as per IS 4031, IS 269
Take 400 gm of cement in a pan. Prepare a neat cement paste by adding 0.85 times the water required to give a paste of standard consistency by the previous test. Start a stop watch at the instant when water ...