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Hollow Blocks from waste materials

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A new type of hollow blocks can be fabricated out of wood wastes, agricultural wastes and soil  mixed with minimum amount of cement.

As far as strength  and durability are concerned, results of test showed that this type of blocks is  comparable to some of the commercial or traditional concrete  hollow blocks. However, they are considered as strictly non-loading bearing.

Hollow Blocks from Waste Materials

Materials:

  • 1 part cement
  • 3 parts sawdust
  •  ordinary soil
  • rice hulls
  • abaca waste
  • sugarcane bagasse
  • coconut coir dust
  • coconut trunk

Procedure:

1. Pulverized soil is passed through a wire screen, 1/4 inch wire mesh to  separate larger pieces. A mixture of 1 part cement to 3 parts agri-waste is  formulated.

2. Mix all materials together, add water and pour into molds.

3. Let stand for several hours until dry.

4. After drying, remove from molds and let stand along one side for 10 days  while sprinkling water at regular intervals to avoid cracking.

Source: PCARRD Farmnews December 1988

 

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Author: qdfriends

QDfriends bonded together for the purpose of helping others, and respecting themselves, their culture and the environment.

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