Geotextiles and Geogrids Classification Quiz
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Questions and Answers

What type of geotextile is produced by longitudinal stretching of a regularly punched polymer sheet?

  • Stitched geotextile
  • Non-Woven geotextile (correct)
  • Knitted geotextile
  • Woven geotextile
  • Which type of geogrid has a much higher tensile strength in the longitudinal direction than in the transverse direction?

  • Uniaxial geogrid (correct)
  • Biaxial geogrid
  • Woven geotextile
  • Knitted geotextile
  • What distinguishes a Knitted geotextile from other types of geotextiles in terms of production process?

  • It is produced from intersecting tensile-resistant elements
  • It is stretched in both longitudinal and transverse directions
  • It is woven on a loom (correct)
  • It is integrally connected at the junctions
  • Which type of geogrid has equal tensile strength in both the longitudinal and transverse directions?

    <p>Biaxial geogrid</p> Signup and view all the answers

    What is the defining characteristic of a Geonet?

    <p>It has an open network of intersecting elements</p> Signup and view all the answers

    Which of the following is NOT a common type of geosynthetic material mentioned in the text?

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

    Which of the following is a key aspect in the design of state-of-the-art filter materials?

    <p>Internal Stability</p> Signup and view all the answers

    What is the primary material used in the manufacture of geosynthetics according to the text?

    <p>Synthetic polymers</p> Signup and view all the answers

    In a zoned dam, where is the filter placed according to the text?

    <p>Between the core and the downstream shell zone</p> Signup and view all the answers

    What is the purpose of the longitudinal 'chimney' drain in a zoned dam according to the text?

    <p>To collect the intercepted seepage flow and carry it to the base of the chimney</p> Signup and view all the answers

    Which of the following is NOT a key aspect for the design of state-of-the-art filter materials?

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

    What is a defining characteristic of a GEONET?

    <p>Regular dense network of parallel ribs</p> Signup and view all the answers

    Which geosynthetic product is best suited for use as lightweight fills, thermal insulators, and drainage channels?

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

    What is a key feature of a GEOMEMBRANE?

    <p>Relatively impermeable synthetic sheet</p> Signup and view all the answers

    Which term describes a geosynthetic product assembled from two or more materials to perform specific functions more effectively together?

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

    In the context of geosynthetics, what function does FILTRATION primarily serve?

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

    Which geosynthetic material would be most suitable for providing protection against fluid migration in a project?

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

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