Reinforced Cavity Wall Construction Quiz
18 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the expected grade/strength of infill concrete in a reinforced cavity wall?

  • 15 MPa (correct)
  • Answer available to our clients only
  • 10 MPa
  • 5 MPa
  • Can you use cement bricks to lift the surface bed rebar/mesh as long as the bricks are cut in half?

  • True (correct)
  • Answer available to our clients only
  • False
  • Makes no difference
  • Within what duration should mortar be used after mixing?

  • 3 Hours
  • Answer available to our clients only
  • 4 Hours
  • 1 Hour (correct)
  • What should be done with mortar in which initial set has occurred (i.e., thumbprint hard)?

    <p>Used within two hours of mixing (A)</p> Signup and view all the answers

    By how much should a masonry wall not overhang the concrete slab of raft foundations?

    <p>30mm (D)</p> Signup and view all the answers

    Which of the following bricks should be wetted before placed?

    <p>Concrete bricks (A)</p> Signup and view all the answers

    What should the grading of mortar be in hollow bricks used for cavity wall foundations?

    <p>1.0 Mpa &amp; 10.0 Mpa (C)</p> Signup and view all the answers

    What is the average compressive strength of the hollow and solid masonry units required for single storey buildings?

    <p>7.0 MPa and 10.0 MPa (C)</p> Signup and view all the answers

    What is the average compressive strength of the hollow and solid masonry units required for the lower storey in double storey buildings?

    <p>3.0 MPa and 7.0 MPa (B)</p> Signup and view all the answers

    What is the average compressive strength for the solid masonry units for a double storey construction?

    <p>15 MPa (A)</p> Signup and view all the answers

    What is the minimum difference in ground levels (h) for a 110-110 cavity retaining wall?

    <p>1200 mm (B)</p> Signup and view all the answers

    What is the maximum height of a masonry foundation wall where the fill is retained behind a 220mm nominal wall thickness?

    <p>The text does not specify a maximum height for this scenario. (D)</p> Signup and view all the answers

    What is the recommended minimum compressive strength for concrete infill in cavity wall construction?

    <p>20 MPa (D)</p> Signup and view all the answers

    Which type of mortar is typically used for laying masonry units in wall construction?

    <p>Cement mortar (B)</p> Signup and view all the answers

    Can cement bricks be used as a substitute for lifting bed reinforcement in masonry wall construction?

    <p>No, steel reinforcement is mandatory and cannot be substituted. (A)</p> Signup and view all the answers

    What is the maximum size of rock or hard fragments allowed in backfill material for masonry wall construction?

    <p>50 mm (B)</p> Signup and view all the answers

    What is the minimum horizontal spacing requirement between a water pipe and a sewer line when laid underground?

    <p>600 mm (D)</p> Signup and view all the answers

    What is the recommended minimum slab thickness for a non-load-bearing masonry wall?

    <p>250 mm (C)</p> Signup and view all the answers

    More Like This

    Concrete and Reinforced Concrete Quiz
    16 questions
    Reinforced Concrete Basics
    48 questions
    Reinforced Concrete Cement Overview
    32 questions
    Use Quizgecko on...
    Browser
    Browser