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Q: ............. arch is constructed above flat arch or on a wooden lintel to provide greater strength.
  • A. Relieving
  • B. Segmental
  • C. Stilted
  • D. Flat
Correct Answer: Option A - Relieving arch– It is constructed above flat arch or on a wooden lintel to provide greater strengths. In case of relieving arch, we can replace the decayed wooden lintel easily without disturbing the stability of structure. The ends of this arch should be carried sufficiently into the abutments.
A. Relieving arch– It is constructed above flat arch or on a wooden lintel to provide greater strengths. In case of relieving arch, we can replace the decayed wooden lintel easily without disturbing the stability of structure. The ends of this arch should be carried sufficiently into the abutments.

Explanations:

Relieving arch– It is constructed above flat arch or on a wooden lintel to provide greater strengths. In case of relieving arch, we can replace the decayed wooden lintel easily without disturbing the stability of structure. The ends of this arch should be carried sufficiently into the abutments.