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how does aggregate size influence the coefficient of permeability of concrete? list other factors that determine the permeability of concrete in a structure.

Respuesta :

The use of high-quality aggregates reduces permeability. Concrete has a higher degree of permeability if more porous aggregates are employed. The permeability of concrete is also increased by using larger aggregate.

As a result, mixes with larger nominal maximum aggregate sizes have a greater potential for high permeability than mixes with smaller nominal maximum aggregate sizes at the same air void level. Values of critical densities for various nominal maximum aggregate sizes.

The Permeability's Function-

  • The rate of moisture penetration is governed by permeability.
  • Lower durability is associated with higher permeability.
  • Additionally, a high permeability will result in a reduction in watertightness.
  • The use of high-quality aggregates reduces permeability.

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