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It acts as a primary binder to join the aggregate into a solid mass.
FAQs
FAQs
- What is the purpose of cement in concrete?
- What role does water play in producing concrete?
Water is required for the cement to hydrate and solidify.
- Why does concrete harden?
The chemical process called cement hydration produces crystals that interlock and bind together.
- Why does concrete set (harden) slowly?
It takes time for the hydrated cement crystals to form.
- How can you make concrete set faster?
You can add calcium chloride or accelerator.
- How can you make concrete set slower?
You can add sugar or “set retarder” to slow it down.
- Is concrete stronger in compression, tension or the same in either?
It is stronger in compression.