what is the requierd compressive strenth for m 20 grade concreat for
7 days?
Answers were Sorted based on User's Feedback
Answer / jaswinder singh
it is not less than 60% means that it come near about 12kn/mm
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / ashish sharma
its about 65% of 28 days compressive strength of concrete.
So for 7 days its about 13n/mm2.
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / fm irfan
7 days compressive strength should be more then 2/3 of the
M 20 grade concrete that is may be more then 14 MPa(Mega
pascal).....
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / samyak jain
7 days compressive strength of concrete would not be less than 67% and it will be 13.5mpa
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / aabid
M20 grade of concrete 7 days strength 13.2 kN/ m3 is gain.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / eng. mohd noor salleh
75% of 20kn/m2 is required, i.e= 15kn/m2
| Is This Answer Correct ? | 0 Yes | 3 No |
Answer / sjtbehera
as per Is code- 456-2000 for M20 concete 7days strength
175kg/sqcm or 17.5 kn/sqmm
| Is This Answer Correct ? | 0 Yes | 3 No |
find the discharge of water through a horizental venturimeter having 400mm dia at the inlet main and 150mm dia at thorat.if the diffrential gauge between inlet and thorat shows a pressure head of 25cm mercury. assume coefficient discharge 0.98 and specfic gravity of mercury as 13.6.
what is thickness of NP2 hume pipe?
what is the quantity of cement( in bags),sand and aggregates required for 1 cmt of M 25 concrete
How many Steel used in 1 cum tower foundation
what is water cement ratio in design mix and its percentage in concrete and mortar?
1 Answers Jain Housing, Shivshakti Sugars, Tulip,
what is difference between bending and twisting
in m25 concrete what is m.
How many number of bars used in circular columns? Explain WHY?
how much quantity of binding wire required for tieing of 1mt of reinforcement bar?
Why camber is provided?
2 Answers G R InfraProjects, Tata Steel Limited,
WHAT IS THE MAIN DIFFERENCE B/W HIGHWAYS AND MOTERWAYS?
which grades of concrete is used in mega structures and well known structures? please name the structures and show their grade of concrete.
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
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)