Which of the following statements is NOT true with respect to chemical grouting?
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A.
Can be employed to treat very fine fractures in moist environments.
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B.
Can be used to treat narrow concrete cracks.
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C.
The chemicals react with water to form gel/solid precipitate.
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D.
Does not require a high level of skill for application
Correct Answer:
D. Does not require a high level of skill for application
Explanation:
The correct answer is: Does not require a high level of skill for application.
Chemical grouting is a sophisticated repair technique used for sealing fine cracks and stabilizing soil by injecting specialized resins like polyurethane or epoxy. This process demands a high degree of technical expertise to ensure the chemicals react correctly, achieve the desired penetration, and form a durable seal. Unlike simpler methods, it requires specialized equipment and precise handling of materials that react with moisture or water. Therefore, the assertion that it does not require significant skill is incorrect.
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