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What is Water-Cement Ratio and Concrete Durability about?
A lower water-cement ratio results in stronger, more durable concrete but is more difficult to work with. A higher ratio increases permeability, which allows water to enter concrete and move through it, damaging it over time by forming cracks. Permeability is caused by capillary cavities formed from a high water-cement ratio. Porous concrete pavement allows stormwater to infiltrate the base rather than becoming runoff, helping replenish groundwater and reduce flooding and pollution in receiving waters.
- Author
- Hayasaka Ai
- Language
- EN