From the Desk of Executive Director

 

It is indeed an honour & privilege for me to assume the charge of Executive Director, BMTPC. 

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

 
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