Beberapa petua untuk membuat Paver anda

1. What is the material composition for the pavers?

   a. Base mix materials:

           -Sands

           -Crushed fine aggregates

           -Aggregates

           -Cement

           -Water

   b. Face mix materials

           -Sands

           -Cement

           -Pigment

2. How you chose the material, and what is affects?

   a. BASE MIX MATERIAL:

           -Sands:

            Type: River sand

            Size:1-2.5mm

            Functions: fillers,

            Effect: ↓Viscosity, ↑compaction index, Fine texture

           -Crushed fine aggregates:

            Type: Similar to granite

            Size:<5mm

            Functions: middle size structural skeleton

            Effect: ↑Viscosity, ↑compaction index

          -Aggregates:

           Type: Similar to granite

           Size: ~10mm

           Functions: Main skeleton, ↑ strength sharply

           Effect: ↑Viscosity, ↓compaction index, coarse texture

         -Cement

          Type: OPC/Fly ash cement (>425)

          Functions: Binder (C-S-H), Critical on strength

          Effect: ↑Viscosity, ↑compaction index, sensitive to water

          Phase III after 12Hr mixing time:

          Cement with water<5mins

          Mixture in the hopper<20mins

          -Water:

           Type: Tape water

           Functions: Hydration with cement, lubrication

           Effect: More ↑compaction index & ↑ Viscosity

                       Less  ↓compaction index & ↓ Viscosity

    b. FACE MIX MATERIAL:

          -Surface sands

           Size<2mm

           Type: River sand

          -Cement

           Type: White and grey cement

           White cement: Color

          -Pigment

           Type: Iron oxide, CrOx

           P.s.: Anti oxidizing agents & Anti UV

3. What you should notice during the mixing time?

   a. Mixing method (in order)

       -Aggregate mixing

       -Dry Mixing (+ cement)

       -Wet mixing (+water)

Note: Mixing time should be less than 5 mins after adding water.

Long mixing is not good for making the products.

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