7
You visited us
7
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VI
Physics
Properties of Solids
If the charac...
Question
If the characteristic cube compressive strength is
25
M
P
a
, then its flexural strength (in MPa) is ____.
3.5
Open in App
Solution
The correct option is
A
3.5
Given,
f
c
k
=
25
M
P
a
Flexural strength
=
0.7
√
f
c
k
=
0.7
√
25
=
3.5
M
P
a
Suggest Corrections
1
Similar questions
Q.
Characteristic strength of M20 concrete is 20 MPa. What is the number of cubes having 28 days compressive strength greater than 20 MPa out of 100 cubes made with this concrete?
Q.
Compression test on 4 samples of
150
m
m
cubes of concrete gave following results:
25
M
P
a
,
28
M
P
a
,
32
M
P
a
,
31
M
P
a
The characteristic strength of concrete (in MPa, rounded off to two decimal places) is _____.
Q.
Flexural cracks appear at bottom of beam at a tensile stress of 3.13 MPa. Find the Design compressive Strength of concrete
( MPa)
Q.
The modulus of rupture of concrete in terms of its characteristic cube compressive strength
(
f
c
k
)
in MPa according to IS : 456 - 2000 is
Q.
The characteristic compressive strength of concrete required in a project is 25 MPa and standard deviation in the observed compressive strength expected at site is 4 MPa. The average compressive strength of cubes tested at different water-cement(w/c) ratios using the same material as is used for the project is given in the table.
w/c(%)
45
50
55
60
Average compressive
strength of cubes (MPa)
35
25
20
15
The water-cement ratio(in percent, round off to the lower integer) to be used in the mix is________.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
States of Matter
PHYSICS
Watch in App
Explore more
Properties of Solids
Standard VI Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app