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Q: Pavements which have low or negligible flexural strength are called ____________.
  • A. semi rigid pavements
  • B. flexible pavements
  • C. cement concrete and gravel roads
  • D. rigid pavements
Correct Answer: Option B - Flexible pavement–The pavements which have low or negligible flexural strength is called flexible pavement. The flexible pavement layer reflects the deformation of lower layers or the surface of the layers. Rigid pavement–These pavements possess some worthy flexural strength. These transfer the load through slab action but not grain to grain as in case of flexible pavements.
B. Flexible pavement–The pavements which have low or negligible flexural strength is called flexible pavement. The flexible pavement layer reflects the deformation of lower layers or the surface of the layers. Rigid pavement–These pavements possess some worthy flexural strength. These transfer the load through slab action but not grain to grain as in case of flexible pavements.

Explanations:

Flexible pavement–The pavements which have low or negligible flexural strength is called flexible pavement. The flexible pavement layer reflects the deformation of lower layers or the surface of the layers. Rigid pavement–These pavements possess some worthy flexural strength. These transfer the load through slab action but not grain to grain as in case of flexible pavements.