From the Desk of Executive Director

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  New Initiatives : Emerging Technologies
New… E-Learning Modules on the Technologies of LHPs for TECHNOGRAHIs New...Release of Publications on the occasion of World Habitat Day 2023

System Components
Initial Cost Structure
Critical Factors
1.  Curing
2.  Placing the corner blocks at the corner and
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
1.  Blocks should be cured for 14 days and the
       masonry for seven days
2.  Vertical joints in masonry should be properly   
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

Creating Enabling Environment for Affordable Housing for All…… since 1990
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