The early strength characteristics of high-alumina cement make it suitable for emergency repair projects, but its later strength will decrease, limiting its use in structural engineering. The high heat of hydration of high-alumina cement makes it suitable for concrete engineering that requires low-temperature curing. High-alumina cement has strong resistance to sulfate erosion, and its hydration process does not generate free calcium hydroxide but rather produces aluminum hydroxide gel, which forms a protective film on the surface of particles. However, the erosion resistance decreases during the later stage of crystal transformation. High-alumina cement can be used as a binding material for heat-resistant concrete, which can be configured as heat-resistant concrete.
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