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Mix water with cement quickly in a brief time about 3 min to 5 min. Take about 400 gm of cement and add water about 0.85x P (P is % water needed for normal consistency of cement)ģ. Consistency of cement shall be evaluated before conducting a test to find out % of the water required by the weight of cement as normal consistency of cement (P).Ģ. Test Procedure for Initial and Final Setting Time of Cementġ. Vicat Apparatus – Vicat apparatus should confirm to IS: 5513-1976.

Balance – The permissible variation at a load of 1000 g shall be ± 1.0 g.Ģ. The first and final setting time of cement is calculated using the VICAT apparatus conforming to IS: 5513 – 1976.ġ.

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IS Code for Initial and Final Setting Time of CementĪs Per IS: 4031 (Part 5) – 1988. The fineness of cement, the presence of salts in sand, atmospheric conditions.Factors of Affecting Initial and Final Setting Time of Cement.The final setting time used for the safe removal of scaffolding or form.Initial setting time also used to delay the process of hydration or hardening.Initial setting time is a valuable time to know for concrete transportation, placing, and curing.It is indirectly related to the chemical reaction of cement with water to form an aluminium–silicate compound.The proper setting time required for the thicken of cement paste to a defined consistency.Also, concrete will not get sufficient strength early and the formwork removal process delayed. If cement set too late then there is a delay in construction work.If cement set too early, have insufficient time for transportation or place concrete. It is required that cement does not lose its flexibility too early or late.Significance of Initial and Final Setting Time of Cement The following tests are conducted on cement in the laboratory are as follows:

It is the time used elapsed between the moment the water is added to the cement and the time when cement paste loses its flexibility completely and has reached sufficient firmness to resist certain pressure. It is the time used elapsed between the moments that added the water into cement and to the time that the paste starts losing its softness.

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When we talk about the Initial and the final setting time of cement, about how much it takes time to lose its full softness and gain strength to resist the pressure. And it enhance the beauty of your house or commercial building. The initial & final time are used in cement to gain some strength purpose. In this blog, we are talk about setting time of cement and about the types and differences of Time of Cement.

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