Chapter 11
Permeability of Concrete
نفاذية الخرسانة
Permeability refers to how readily liquids or gases can move through concrete. This characteristic is relevant for ensuring the impermeability of ...
هجوم الكبريتات على الخرسانة
Concrete subjected to sulfate attack typically exhibits a distinct whitish appearance, often first noticeable at the edges and corners, with subsequent ...
تأثير مياه البحر على الخرسانة
Seawater-exposed concrete structures experience the dissolution of the needle-shaped crystals of ettringite and gypsum, increasing porosity and reducing ...
هجوم الحمضي على الخرسانة
Acids interacting with concrete dissolve the hydrated cement paste, leading to a softened and structurally weakened material.
Acidity breaks down the ...
تفاعل الركام القلوي في الخرسانة
Aggregates naturally contain siliceous minerals that react with the alkaline hydroxides from cement alkalis.
The alkali-silica gel formed attracts water ...
تآكل التعزيز
Inside a concrete mass, high alkalinity of calcium hydroxide with a pH of around 13 shields steel reinforcement from corrosion by creating a protective ...
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