# 1. Water observation capacity (MAximum)of Solid bricks
# 2. Minimum Crushing Strength of Solid Blocks.
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Answer Posted / suresh
the water absorption capacity of the solid blocks
(concrete blocks) should be less than 10% when used in
external walls and should be less than 15% when used in
internal walls.
the minimum compressive strength should not be less than 3Mpa
after 28 days.
the mix should not be leaner
than 1:6 (cement: total aggregate).
the fine aggregate is 60% and coarse aggregate is 40%.
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