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The proportion of column bars that may be lap spliced at any one section is limited to

  • A.100 per cent
  • B.10 per cent
  • C.25 per cent
  • D.50 per cent

Answer: D

Staggering the splices means that at no section is more than half the steel relying on a lap, so the section retains continuity through the remainder. Splicing every bar at one level would concentrate the weakness into a single plane.

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