Brick House Project

7/28/2019 Brick House Project

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HUMAN RESOURCES DEVELOPMENT PROGRAM

Anti-Poverty Program

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Reference; Department of Science and Technology , Government of Philippines


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Anti-Poverty Program (Myanmar)

Environment and low cost House Project (1)

(Project Design)

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Testing of Soil for Brick-Making:

1. Get a handful of soil and add enough water to make it sticky.

2. () () Mold it into balls and dry under the sun for 2 to 4 days.

3. See whether the dried soil cracked or not. If it remains firm and hard the soil is clay.

4. ( )


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Test another one with this procedure.

Conduct another test by molding 4 x 10 x 2 and burn with rice husk for one week. Good clay when dried by

this method will sound metallic when tapped.

(BRICK-MAKING) ()(There are three (3) types of manufacturing methods for bricks)

1. (Soft-mud)

2. () (Soft-mud with repressing machine)

Methods 1 and 2 are most suited for cottage industry. They are manually generated and require only a smal

capital.

3. (Mechanical method)

Method 3 used machines for raw material processing and farming. Even if most of the machine can be made it

still needs a big capital investment.

(Procedure)1.

() ()

Raw clay is left in the open for stock piling with a duration of about two (2) months or until the clay disintegrates

through the action of sun and rain.

2.


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The disintegrated clay is brought to the processing area. Sandy clay, plastic clay and sand are mixed in their

proper proportions. Water is added to combine clay mixture.

3. () () Knead either by hand or foot for about three (3) hours.

4. After kneading, the clay should be aged for two (2) days to get a homogeneous mixture. Aging distributes its

workability and lessening the possibility of cracking during drying and firing.

5. Form the clay into a wooden mold.

6. ()

The formed bricks from the mold are then placed on a pallet and allowed to dry to leather hardness for not more

than two (2) days.

7.

The leather hard bricks are retouched to remove the finger marks and scratches due to forming and handling.

The retouching work can either be done by skillful hand manipulation or by machine for better and fasterfinishing.

8. () ( )

Retouched bricks are kept in the drying area until they are completely and uniformly dried. The drying takes

about two (2) weeks during dry season and four (4) weeks on a rainy season.


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9. When dried, put the clay in improvised kiln. Arrange them loosely and pour rice hulls in between the spaces.

10. Set fire from the bottom. Baking process takes one week.

(CLAY BRICKS) =

Materials: clay, sand, water

=

Tools: shovel, hoe, pickax, strainer, wire #14, wooden scraper, wooden molds 10 x5x12, gas oven

(Procedure)1.

Dig soil, remove stones and waste with the use of strainer.

2. / ( %) / ( %)

Mix with: 25% water (1 part water in 4 parts of soil) and 10% sand (10 parts of sand in 10 parts of clay). Mix

well.

3. Put in molds, scrape excess.

4. ( ) ( )

Remove molds and let dry bricks within 3 to 4 weeks at room temperature.

5.


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Invert brick so it would not crack or form wrinkles.

6.

Preheat gas oven for 2 hours at 980C.

7. Arrange bricks alternately

8. Bake for 16 hours.

9. Cool before use.

(BRICKS AND TILES FROM RICE HULL ASH AND CLAY) ()

()

The high cost of construction materials for housing and the need for enough shelter lead to this simple procedure. Rice

hull is used in cooking bricks. The produced ash is used in the mixture of bricks. These materials can be found anywhere

in the Philippines.

-Materials needed:

(clay) (rice hull) (rice hull ash)


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(Tools needed)

Oven or kiln with 3m x 5m measurement. (Open on top and made of red clay.)

( )Shovel, hoe and tool for digging.

Wood or metal mold with inside measurement of 2 x 4 x 10 for red clay and 3 x 8 x 12 for floor tiles.

(/ )Wood or metal for scraping.

Drying place (like table)

Hole about 3mx2m with water.

Mixing container wood or concrete.

(Procedure)A. Bricks:

1. () Dig clay and bring to the hole with water.

2. ()Soak for a day.


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3. / ()%

Transfer mud clay in the mixing container and add rice hull ash: 1 part of ash to 3 parts of clay.

4.

Mix well by foot. Remove roots, leaves and other wastes.

5.

Prepare the molds (metal or wood). Wet inside surroundings and sprinkle with ashes.

6. Pour the mud clay mixture.

7. Scrape excess from mold.

8. Remove from the mold carefully.

9. ()()Let it dry under the shade for a day.

10. ( ) Let it dry under the sun for 5-7 days.

11. () Arrange the pile of brick tiles before firing.

a. ( ) ( )

Place 30 cm thick rice hull ash under the oven. Arrange the pile of bricks at 5 cm apart from each other and 15cm

from the side of the oven.


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b. ()

Cover with rice hull ash, including the space between piles. Cover the first pile with 5cm thick of rice hull ash. Do

the same in the second and next piles.

c. ( ) This size of oven can accommodate 1,200 bricks.

d. Ignite rice hull ash starting from the bottom. This will last up to one week. Leave bricks to cool.

B. (Brick Tiles:)

The method of making brick tiles is similar to bricks. They differ only in size and shape.

Both sides of the floor must have a 1 inch groove.

A laborer can make 200 bricks in a day.

x An open oven with 3m x 5m size can cook 1,200 bricks in a month.

() Clay Bricks in 6 Steps

- %


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Soil testing:You need to test thesoilfrom which you plan to prepare the brick. The proportion of sand to clay inthe soil should not be more than 50% (minimum 30%). But how to test that? A simple method is to mix 10

teaspoons of the soil to a glass of clean water, stir it completely, and keep it overnight. You will see two clear

layers of clay and sand. From the size of each layer you can find out the proportion.

- x x

Prepare the mold: Wooden (ideally beech wood) planks and nails are used to prepare brick molds. The standardsize of a brick is 14 x 10 x 4. You can make molds for single brick as well as multiple bricks.

-

Prepare the clay: Dig the required amount of soil and ship it to the brickmaking site. Test if the soils need to bemixed with some additional amount of sand. Remember the sand plays an important role for removing the brick

from the mold. Mix a sufficient amount of water to the soil to make it clay. The clay should be solid enough to

hold its shape, but at the same time it should be liquid enough to fill in the mold.

-

Make the raw brick: Pour the prepared clay into the mold and let it set for half an hour. After that it should easilycome out from the mold as raw brick.

- % %

Sun drying: The raw brick should be kept on dry sand in the sun for drying bysolar energy. This is an importantstep for making adobe brick. Leave the brick until all the exposed edges become white. After that turn them on

their edges. This whole process may take at least three weeks. The final moisture content of the adobe clay brick

will be around 10-15%. At this point, the adobe bricks will be ready to use.

- ()

Fire Drying: In case you want to make fired red clay bricks, you need to cure the brick in a oven (kiln) under 1800degrees Fahrenheit temperature for seven more days.
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Portland

Wednesday, June 12, 2013

Brick House Project

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