Which type of chemical is typically used in chemical rebar anchoring?
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A.
Cement slurry
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B.
Epoxy resin
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C.
Lime mortar
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D.
Acrylic paint
Correct Answer:
B. Epoxy resin
Explanation:
The correct answer is Epoxy resin.
Epoxy resin is the primary chemical used for anchoring rebar due to its exceptional bonding strength and structural integrity. Unlike traditional cement-based materials, epoxy creates a powerful adhesive bond with both the steel rebar and the surrounding concrete, ensuring the anchor remains secure under high-stress or heavy-load conditions.
Its versatility allows it to be used in various environments, including cracked or uncracked concrete and even damp conditions. Additionally, epoxy is non-corrosive and shrinkage-free, which protects the reinforcement from environmental degradation and ensures long-term durability. While other materials like cement slurry or lime mortar are used in construction, they lack the necessary adhesion and resistance to cracking required for high-performance chemical anchoring.
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