What is glass reinforced Concrete?

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What is glass reinforced Concrete?

Glass Reinforced Concrete (GRC) — also known as Glass Fiber Reinforced Concrete (GFRC) — is a composite material made of:

·        Cement (Portland)

·        Fine aggregates

·        Water

·        Admixtures

·        Alkali-resistant glass fibers

🔹 Key Features:

1.     High Strength-to-Weight Ratio – Lighter than traditional concrete.

2.     Excellent Tensile Strength – Due to the glass fibers.

3.     Durable & Weather Resistant – Good for exterior elements.

4.     Highly Moldable – Can be cast into complex shapes.

5.     Non-combustible & Fire-resistant – Makes it ideal for architectural cladding.

🔹 Common Applications:

·        Cladding panels

·        Facade elements

·        Decorative features (columns, cornices)

·        Urban furniture (benches, planters)

·        Precast architectural elements

🔹 Types of Glass Fibers Used:

Only alkali-resistant (AR) glass fibers are suitable because normal glass fibers degrade in cement's alkaline environment.

🔹 Limitations:

·        Not suitable as primary structural material.

·        Fibers can degrade if wrong type is used.

·        Needs careful curing and quality control.

Let me know if you want detailed mix proportions, manufacturing process, or advantages vs RCC.

 


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