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pervious concrete

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Title: pervious concrete


1
PERVIOUS CONCRETE
  • Presented by
  • D.Koteswara reddy
  • 14KQ1A0116
  • PACE COLLEGE

2
contents
  • Introduction
  • History of pervious concrete
  • Materials
  • Mix-proportion
  • Applications
  • Advantages
  • Des-advantages
  • Reference
  • conclusion

3
introduction
  • Pervious concrete is a special type of concrete
    with a high porosity used for concrete flat work
    applications
  • Pervious concrete allows the water to percolate
    through the concrete in to the sub-base
    recharge the ground water level .

4
History of pervious concrete
  • Pervious concrete was first used in 1852.
  • Pervious concrete has been employed in European
    countries since the 19th century.
  • Pervious concrete can be successfully used in
    INDIA.

5
materials
  • Pervious concrete mainly consists of
  • Ordinary Portland cement
  • Coarse aggregates(19mm-9.5mm)
  • Water(free from salts impurities)
  • Supplementary cementinious materials(SCM)such as
    fly ash , pozzolona blast furnace slag are also
    used

6
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7
Mix-proportion
material Kg/m3
cement 356
Coarse aggregates 1543
water 95
admixtures percentage
Fly ash(or) 25
slag 50
  • The national ready-mix concrete

8
applications
  • The various applications of pervious concrete are
    as follows
  • Residential roads , driveways
  • Low volume pavements
  • Flat works
  • Court yards
  • Drainage areas
  • Parking areas

9
advantages
  • Recharge the ground water level
  • Reduce the risk of flooding hydroplaning
  • Requires less costly repairs than black top
  • Longer service life lower life cycle cost than
    asphalt

10
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11
Dis-advantages
  • Difficult in providing the reinforcement
  • Frequent maintenance is required
  • Compressive strength is comparatively less
  • Require more time experimental works for the
    construction
  • It can not be used for the construction of
    bridges , buildings , dams so on

12
reference
  • www.pervious concrete
  • M.s.shetty /concrete technology
  • VIDEOS on YOU TUBE, pervious concrete

13
conclusion
  • The pervious concreter is used to reduce the
    floods
  • The pervious concrete cant used for the
    construction of buildings , dams , bridges
    because of low strength
  • Pervious concrete is used to recharge the ground
    water level

14
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