Floor Systems in Construction
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Questions and Answers

What is the purpose of flooring systems in construction?

  • To enhance aesthetic appeal
  • To transfer loads horizontally to beams or load-bearing walls (correct)
  • To provide thermal insulation
  • To absorb moisture from the ground

    • Which of the following is NOT considered a live load supported by floor systems?

  • Furniture
  • Weight of the floor itself (correct)
  • Movable equipment
  • People

    • What role do stirrups play in concrete beams?

  • To support flooring systems
  • To connect beams to columns
  • To resist the vertical component of diagonal tension (correct)
  • To provide thermal insulation

    • What is the function of hooks in reinforcing bars?

    <p>To develop embedment length for anchorage</p> Signup and view all the answers

    Which type of bar serves as tension reinforcement in a concrete beam subject to upward bending?

    <p>Top bar</p> Signup and view all the answers

    What are concrete slabs primarily used for?

    <p>As plate structures to span structural bays</p> Signup and view all the answers

    Which material is NOT commonly used in floor systems?

    <p>Plastics</p> Signup and view all the answers

    What is the angle at which bent bars are typically bent in concrete beams?

    <p>30° or more</p> Signup and view all the answers

    What is the maximum permitted deflection for joists relative to their span?

    <p>1/360th of span</p> Signup and view all the answers

    What is the typical spacing for bridging between joists?

    <p>8 feet intervals</p> Signup and view all the answers

    In platform framing, what is a primary characteristic compared to balloon framing?

    <p>Each floor is framed separately</p> Signup and view all the answers

    Which statement is true regarding wood light framing?

    <p>It relies on finish materials for protection.</p> Signup and view all the answers

    What is a beam pocket designed to hold?

    <p>The end of an intersecting beam</p> Signup and view all the answers

    What is typically required if joists are six or more times their thickness?

    <p>Bridging according to some building codes</p> Signup and view all the answers

    What is the purpose of joist hangers in construction?

    <p>To anchor wooden beams or joists</p> Signup and view all the answers

    What is the rule of thumb for estimating the depth of joists?

    <p>Span / 16</p> Signup and view all the answers

    What occurs after the concrete has cured in the post-tensioning process?

    <p>The tendons are clamped on one end and jacked on the other.</p> Signup and view all the answers

    What are the two configurations for steel tendons after the post-tensioning process?

    <p>May be unbonded or bonded by grout injection.</p> Signup and view all the answers

    What characterizes a one-way beam system in structural steel framing?

    <p>It is suitable for long, narrow buildings with column-free spaces.</p> Signup and view all the answers

    Which of the following is a type of precast concrete unit?

    <p>Inverted Tee Beams</p> Signup and view all the answers

    What is a characteristic of open-web steel joists?

    <p>They are lightweight and shop-fabricated.</p> Signup and view all the answers

    What is the main goal when selecting a steel beam for a structure?

    <p>To use the lightest section resisting bending and shear forces.</p> Signup and view all the answers

    Which type of beam system allows for larger column-free spaces?

    <p>Triple Beam System</p> Signup and view all the answers

    How are hollow core slabs primarily characterized?

    <p>They contain voids to reduce weight while maintaining strength.</p> Signup and view all the answers

    What is the primary use of wooden beams in construction?

    <p>Structural support</p> Signup and view all the answers

    Which of the following statements about non-bearing partitions is true?

    <p>They only carry their own weight.</p> Signup and view all the answers

    How do bearing walls differ from partition walls?

    <p>Bearing walls support part of the house.</p> Signup and view all the answers

    What is the role of a steel beam in construction?

    <p>To oppose loads along its axis</p> Signup and view all the answers

    Which type of walls do not support any vertical weight?

    <p>Non-bearing partitions</p> Signup and view all the answers

    What must bearing partitions parallel to joists be supported by?

    <p>Girders and other partitions</p> Signup and view all the answers

    What distinction do wooden beams provide beyond structural support?

    <p>Decorative purposes</p> Signup and view all the answers

    Which of the following describes a bearing wall?

    <p>Supports vertical loads in addition to dividing space</p> Signup and view all the answers

    What is the primary function of subflooring in construction?

    <p>To provide structural support during construction</p> Signup and view all the answers

    What benefit do prefabricated wood joists and trusses have over dimension lumber?

    <p>They are generally lighter and more dimensionally stable</p> Signup and view all the answers

    What is the characteristic dimension of solid-sawn heavy timber members typically used in construction?

    <p>6 inches or more</p> Signup and view all the answers

    Which factor is NOT crucial when selecting a wood beam?

    <p>Color of the wood</p> Signup and view all the answers

    How do gluing combined subfloor underlayment panels to joists benefit the structure?

    <p>They enable the panels to act together with the joists as integral units</p> Signup and view all the answers

    What type of partition is described as non-bearing and parallel to the joists?

    <p>Non-bearing partition without a ceiling</p> Signup and view all the answers

    What is glue-laminated timber primarily made from?

    <p>Laminating stress-grade lumber with adhesive</p> Signup and view all the answers

    Which structural lumber product is made by bonding long, narrow wood strands together?

    <p>Parallel strand lumber</p> Signup and view all the answers

    What is a key advantage of using prefabricated pre-engineered wood products?

    <p>They simplify the construction process</p> Signup and view all the answers

    The connection of wood posts to beams requires consideration of which factors?

    <p>Thickness of members and direction of load</p> Signup and view all the answers

    What is the purpose of a floor projection in relation to joists?

    <p>To create an overhang beyond the wall line</p> Signup and view all the answers

    What is one of the benefits of using a plank-and-beam framing system?

    <p>Potential savings in material and labor costs</p> Signup and view all the answers

    What term describes the structural material that spans across floor joists?

    <p>Subflooring</p> Signup and view all the answers

    Which adhesive is used in the production of laminated veneer lumber?

    <p>Water-resistant adhesive under heat and pressure</p> Signup and view all the answers

    What type of connectors can develop greater stresses per unit bearing in wood connections?

    <p>Shear plate or split-ring connectors</p> Signup and view all the answers

    In a plank-and-beam framing system, why is it important to consider interior partition placement?

    <p>For both structural integrity and visual reasons</p> Signup and view all the answers

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