What does rapid hardening cement contain?a)Tricalcium silicateb)Dical...
Generally, rapid hardening cement contains the following ingredient proportions
60% Tricalcium silicate, 15% Dicalcium silicate, 10% Tricalcium aluminate, and 8% Tetracalcium aluminoferrite of the total weight of cement.
All the ingredients given in the first three options are a part of rapid hardening cement.
Hence, the correct option is (D).
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What does rapid hardening cement contain?a)Tricalcium silicateb)Dical...
Composition of Rapid Hardening Cement
- Tricalcium silicate: Rapid hardening cement contains a higher percentage of tricalcium silicate compared to other types of cement. Tricalcium silicate is responsible for the early strength gain in the cement, allowing for quick setting and hardening.
- Dicalcium silicate: Another key ingredient in rapid hardening cement is dicalcium silicate. This compound contributes to the overall strength development and durability of the cement.
- Tricalcium aluminate: Tricalcium aluminate is also present in rapid hardening cement, although in smaller quantities compared to tricalcium silicate. This compound helps in accelerating the setting time of the cement, making it ideal for projects that require quick turnaround times.
- All of these: The combination of tricalcium silicate, dicalcium silicate, and tricalcium aluminate in rapid hardening cement results in a product that offers high early strength, rapid setting, and increased durability. This makes it suitable for various applications where quick setting and hardening are essential.