HOW MANY CUBES REQUIRED FOR 7 AND 28 DAYS TEST FOR ALL MIX
GRADES.
Answer Posted / rajah
As per IS 7 days is not required but 7 days result is just a cross checking (7 days result must more than 77%)
for 28 days
concrete in cmt no of samples(3 cubes)
1) 1 to 5 1
2) 6 to 15 2
3) 16 to 30 3
4) 31 to 50 4
5) 51 and above 4 plus one additional sample for
each additional 50 cmt
| Is This Answer Correct ? | 23 Yes | 9 No |
Post New Answer View All Answers
how to compute slab reinforcements on step by step procedures??
How to come 1.54 from dry to wet concrete?
What is the difference between Hinged and pinned in Column ends
Special thing in designing a overhead reservoir ? which is different from an ordinary design
in design case of structural member best suitrable percentage of steel limit is what
plumbing CPVC fitting FTE Brass full form
how statics is different from dynamics
HOW MUCH STEEL REQUIRED FOR SLAB OF AREA 23'3"*18.3"? FOR SLAB HOW MUCH DIAMETER BAR WILL USE?
what is the most suitable foundation when construct a bird watching tower in a marshy land
how to prepare site mix design
Define graphics window?
Does degree of bend of rebars has any effect on strength of the member? For example- if a beam is designed with 45 degree bent up bar with respect to architechtural needs and is not 45 in practical so will there be any reduction in the strength of member?
What is a bearing capacity of soil?
how to estimate man power for estimating the time required for completion of a project in terms of carpenters,barbenders,masons for block work ,masons for plasteing ,unskilled labour, painters, tiles masons,plumbers and electricians for medium and high rise constructions and independent villa projects.
What is the difference between Fe 500, Fe 500 D and Fe 515.