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FLY-ASH BLOCK MASONRY
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System Components
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Initial Cost Structure
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Critical Factors
1. Curing
2. Placing the corner blocks at the corner and
openings
3. Quality of sand
4. Availability of fly-ash near the block making site
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Tools Used
1. Trowels 5. Showel
2. Plumb Bob 6. Baskets
3. Thread
4. Pans
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DO’S
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DON’T’S
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1. Blocks should be cured for 14 days and the
masonry for seven days
2. Vertical joints in masonry should be properly
broken
3. Blocks should be well soaked in water before using
for masonry
4. Mortar should be used within 30 minute of adding
water in the mix
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1. Fine sand should not be used for masonry
2. Masonry should not be allowed to dry quickly
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Construction Process
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Take measured quantities of Fly-Ash, Lime and gypsum. Add water and mix thoroughly in the mixing machine
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Take the mix out thoroughly mixing
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Transfer the mix to moulding machine and compact
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Place the wet blocks on open drying
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Allow blocks to dry for 14 days
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Tie the line and lay the first coarse of blocks
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Lay the next course by breaking vertical Joint s
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Apply cement mortar over the course
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Check vertical levelusing plumb bob
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Lay upper masonry after leaving openings for doorsand windows
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Fill Mortar in the vertical joints
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Apply mortar in the vertical joints and removing excess mortar
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Pointing wall surface
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A view of a Fly Ash block building
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