Calcium sulfoaluminate (CSA) cement is gaining popularity for both its distinctive technical properties and its eco-friendly benefits, such as lower carbon emissions and increased energy efficiency. One of its most notable qualities is how quickly it sets and hardens, which makes it especially appropriate for last-minute fixes and uses like stabilizing soil and ceilings. The process by which CSA cement hydrates in the presence of retarders is still not well understood, although there are circumstances in which a prolonged setting time is necessary. A major barrier to the widespread use of CSA cement is the lack of understanding of how changes in retarder dosage affect the short- and long-term characteristics of concrete. To address this, a comprehensive review of the impact of various retarders and their dosages on calcium sulfoaluminate cement-based materials, including paste, mortar, and concrete, is imperative. Such a state-of-the-art review can pave the way for the construction industry to harness the full potential of CSA cement in terms of fresh and mechanical behavior. This review underscores the importance of identifying the most effective retarder and its optimal dosage for calcium sulfoaluminate cement. Finding the right balance among various retarders and dosage levels is the key to resolving challenges associated with the fresh and hardened properties of the CSA cement system. Ultimately, this knowledge can promote the broader utilization of CSA cement in the construction sector.

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Efficacy of Different Retarders on Engineering Properties of Calcium Sulfoaluminate (CSA) Cement Based Paste, Mortar and Concrete—A Review

  • Sathishraj Mani,
  • Gowram Iswarya,
  • Baranidharan Sundaram

摘要

Calcium sulfoaluminate (CSA) cement is gaining popularity for both its distinctive technical properties and its eco-friendly benefits, such as lower carbon emissions and increased energy efficiency. One of its most notable qualities is how quickly it sets and hardens, which makes it especially appropriate for last-minute fixes and uses like stabilizing soil and ceilings. The process by which CSA cement hydrates in the presence of retarders is still not well understood, although there are circumstances in which a prolonged setting time is necessary. A major barrier to the widespread use of CSA cement is the lack of understanding of how changes in retarder dosage affect the short- and long-term characteristics of concrete. To address this, a comprehensive review of the impact of various retarders and their dosages on calcium sulfoaluminate cement-based materials, including paste, mortar, and concrete, is imperative. Such a state-of-the-art review can pave the way for the construction industry to harness the full potential of CSA cement in terms of fresh and mechanical behavior. This review underscores the importance of identifying the most effective retarder and its optimal dosage for calcium sulfoaluminate cement. Finding the right balance among various retarders and dosage levels is the key to resolving challenges associated with the fresh and hardened properties of the CSA cement system. Ultimately, this knowledge can promote the broader utilization of CSA cement in the construction sector.