Which of the following prefabrication techniques is used in bridge construction?
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A.
Panelised Construction
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B.
Precast Segmental Construction
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C.
Formwork-Free Construction
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D.
Modular Construction
Correct Answer:
B. Precast Segmental Construction
Explanation:
The correct answer is Precast Segmental Construction.
Precast segmental construction is a specialized technique widely used in bridge building where the structure is assembled from individual prefabricated concrete pieces or segments. These components are manufactured in a controlled environment away from the site and then transported to the bridge location for assembly. This method is particularly effective for long-span bridges and projects in difficult terrain, as it allows for faster construction schedules, improved quality control, and minimal disruption to the surrounding environment or traffic. Use of these factory-made segments ensures high durability and structural precision compared to traditional cast-in-place methods.
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