What should be the min.compressive strength of cc cube
after 7 days testing and 28 days testing for M25 design mix
conc.?pl give idea with relavant is code
Answers were Sorted based on User's Feedback
Answer / pk singh
67percent for 7 days
100 percent 0r more for 28 days
is 456 -2000 code is refered
| Is This Answer Correct ? | 41 Yes | 10 No |
Answer / mohammed aaqhil inayath
It depends on the grade of concrete you use. If it is M25
then 65% of the total strength(i.e. 65% of 25 n/mm2)
| Is This Answer Correct ? | 38 Yes | 20 No |
Answer / saumik mallick
After 7 Days the test result will be 67% of the Target Mean
Strength and after 28 days the test result will be 100% or
more than target mean strength.
i.e Target mean Strength (fck')= fck+(1.65*S)=
25+(1.65*5)=33.25 Mpa.
| Is This Answer Correct ? | 16 Yes | 4 No |
Answer / m g patel
First it is depends upon curing peried,when proper curing
then i show 85 percent strength in 7 days and 120 percent
strength in 28 days in m-25 concrete.
| Is This Answer Correct ? | 11 Yes | 5 No |
Answer / kkn
ANY CODE FOR 7DAYS CUBE RESULT,BUT IS 456 ONLY AFETR 28
DAYS ONLY WE CONCLUDE THE STRENTGH
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / vijay khankra
65 percent Strength for 7 days and
99 percent 0r more for 28 days.....
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / dantroliya mujtaba
M 15=10 N/mm²
M20=13.5N/mm²
M25=17N/mm²
M30=20N/mm²
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / viren lagwal
after 7 days strength of cc cube is 17n/sq.mm and after 28 25 n/sq.mm
| Is This Answer Correct ? | 1 Yes | 0 No |
pls give me ans to ACT formula cube testing porpuse
what is the compressive strenth of m30 grade cocrete column at 7 days
What are the disadvantages while using stone dust as filler in pavements?
how i can tak Quantity of mortar in block work
if there is no alternative of silty sand avail near ,then how it is used in cement mortar or concreting?
Typical floor design load in Residential Building----------- -----
Describe Briefly The Various Methods Of Concrete Curing?
how to calculate testing date
1)What is Suggested type of cement for concreting at water, for mass concreting and where the chaces of gettin attucked by salt? 2)How many types of camber? 3)why we always preffer short column in case of residential building? 4) Is there any advantages between the use of One way slab & two way slab? 5)What shoul be the % of steel for R. C. C. perpose based on volume & area ?
what is the number of cement bags (50 KG) required for concreting 1000 Square Feet Slab . Thickness of slab 4 inch.
4 Answers Gammon, LNN, Ramky, TATA,
Why size of brick used at site is different from its standard size ?
What are the different types of runners?
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)