Recent content by Pravin Wakhure

  1. Pravin Wakhure

    Why we use 150 mm size cube for compressive strength testing

    U would optimize the mix but before optimizing i would say check standard deviation as well as COV if these values are inline u may go for optimization by considering thumb rule that for 1 MPA required 5 OPC suppose if u will get 5 MPA more than required then 5*5=25 kg but for factor of safety...
  2. Pravin Wakhure

    Do anyone know about coloured concrete?

    Stamped concrete is coloured , textured and imprinted concrete available in different shades. It is manufactured by using UV-resistant colour hardener which retain the true shades of the colour for a longer duration . It is available in variety of colours.
  3. Pravin Wakhure

    Pervious Concrete

    Pervious concrete is concrete with high porosity used for concrete flatwork application that allows water from precipitation or other source to pass through thereby reducing the run off and ensuring recharge of ground water . It offers numerous environmental, structural and economic benefits. It...
  4. Pravin Wakhure

    Concrete Cracks

    Why Concrete Cracks? Generally, it is assumed that cracks are due to some problems in the foundation, whereas it is not always correct and should not be considered failure of structure or improper design or bad quality work. Generally, 1/16 to 1/4-inchwide cracks is acceptable limits. The...
  5. Pravin Wakhure

    Precautions to minimize Plastic Shrinkage Cracks:

    Precautions to minimize Plastic Shrinkage Cracks: The Plastic Shrinkage cracks occur on the surface of freshly placed concrete during finishing or soon after. In plastic concrete bleed water surfaces due to gravity. If the accompanying settlement is...