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What is the strength of concrete after 28 days?
The compressive strength of M25 concrete at 7 days will be between 6-7.5 N/mm2 .
Seven day compressive strength of M25?
The compressive strength of 7 days shall be about 70% of the 28-days compressive strength. If your compressive strength at 28-days is 25 MPa, then the 7-days compressive strength expected to be (0.70X25MPa)=17.5 MPa Regards, Sami
What is compressive strength of M15 in 7 days as per IS?
3/4 of its strength
How many days concrete has to be cured prior to steel erection What counts days or strength achieved by concrete?
the strength that it has gained is the main thing, but usually 5 to 7 days as a rough guide.
What is the M 20 concrete strength for 7 days?
The strength of M20 concrete for 7days will be 63%( say 12.6) of 28days strength i.e. 20N/sq mm
How do check the mixdesign for concrete is correct or not?
for checking the mix design for concrete, we need to initially prepare the mix n take samples n do cube tests to find the compressive strength n find out if desired strength is obtained for 7 days & 28 days strength. if desired strength is not obtained v need to adjust the mix proportions. its actually a trial n error method.
What is the strength of concrete after 28 days?
The compressive strength of M25 concrete at 7 days will be between 6-7.5 N/mm2 .
Seven day compressive strength of M25?
The compressive strength of 7 days shall be about 70% of the 28-days compressive strength. If your compressive strength at 28-days is 25 MPa, then the 7-days compressive strength expected to be (0.70X25MPa)=17.5 MPa Regards, Sami
What is the compressive strength of M10 concrete at 7 days?
For M25 grade concrete the seven days crushing for site condition shall be not less than 67 % of M25, i.e not less than 16.75 N/mm2 But for target strength of M25 for mix design taken i.e for M25 it is 32 and the 7 days strength shall not be less than 22 N/mm2
What is compressive strength of M15 in 7 days as per IS?
3/4 of its strength
What is the strength of M-30 after 7 days?
Seven days strength of any concrete usually comes 67% of 28 day strength. So 7 day strength of M30 may be .67*30=20.10 MPa
How many weeks are in 525 days?
525 divided by 7 days in a week equals 75 weeks.
What is strenGth of M-30 after 30 days?
Seven days strength of any concrete usually comes 67% of 28 day strength. So 7 day strength of M30 may be .67*30=20.10 MPa
How many days concrete has to be cured prior to steel erection What counts days or strength achieved by concrete?
the strength that it has gained is the main thing, but usually 5 to 7 days as a rough guide.
Why 7 days compressive strength is concider?
concrete strenght gain at first 7 days much increase so we consider 7days strenght
What is the breaking strength of A mortar at 7 days?
33 Mpa...for 43 grade cement
What is the M 20 concrete strength for 7 days?
The strength of M20 concrete for 7days will be 63%( say 12.6) of 28days strength i.e. 20N/sq mm
