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If the lap length in tension reinforcement exceeds which of the following values, should it not be less than the bar diameter multiplied by (actual tension divided by four times the allowable average bond stress)?

RCC Structures Design MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
RCC Structures Designcivil-engineering-mcqs › rcc-structures-design
Published
14 Jan 2019
Last updated
28 May 2026

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Explanation

The lap length in tension reinforcement must be at least the bar diameter multiplied by (actual tension / 4 × permissible average bond stress) when the lap length exceeds 30 bar diameters. This ensures adequate bonding and structural integrity.

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Practice related questions from the same subject.

  1. 1.Which of the following statements about lateral reinforcement in R.C.C. columns is accurate?
  2. 2.Identify the statement that is incorrect from the options below regarding reinforcement in retaining walls.
  3. 3.In a simply supported slab, at what fraction of the span are alternate reinforcement bars shortened?
  4. 4.Given the modular ratio as m, the steel ratio as r, and the total depth of a beam as d, what is the formula for the depth of the critical neutral axis in the beam?
  5. 5.What type of foundation is typically used for multiple columns built in a reinforced cement concrete wall?
  6. 6.What happens to the depth of the neutral axis when the steel content is increased?
  7. 7.What is the effective width of a column strip in a flat slab system?
  8. 8.When should the dimensions of a beam be modified based on the shear stress value?
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