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Q: Read the given statements and select the correct option. Statements : A : Rectangular slabs which are supported on two opposite sides by unyielding supports and are uniformly loaded along the direction parallel to the supports are one-way slabs. B : Twisting moments develop in addition to bending moments in the case of two-way slabs, except when the element is oriented along the principal curvatures.
  • A. Both statements A and B are incorrect
  • B. Both statements A and B are correct
  • C. Statement A is correct and statement B is incorrect
  • D. Statement A is incorrect and statement B is correct
Correct Answer: Option B - Rectangular slabs which are supported on two opposite sides by unyielding supports and are uniformly loaded along the direction parallel to the supports are one-way slabs. • In general, twisting moment develop in addition to bending moments in two-way slab element is oriented along the principal curvature. These twisting moments can become significant at points along the slab diagonals.
B. Rectangular slabs which are supported on two opposite sides by unyielding supports and are uniformly loaded along the direction parallel to the supports are one-way slabs. • In general, twisting moment develop in addition to bending moments in two-way slab element is oriented along the principal curvature. These twisting moments can become significant at points along the slab diagonals.

Explanations:

Rectangular slabs which are supported on two opposite sides by unyielding supports and are uniformly loaded along the direction parallel to the supports are one-way slabs. • In general, twisting moment develop in addition to bending moments in two-way slab element is oriented along the principal curvature. These twisting moments can become significant at points along the slab diagonals.