Interested to Buy Any Domain ? << Click Here >> for more details...
why the compressive strength of concrete is calculated only after 28 days.why not after 25, 26,27 days..
- 7 Answers
- 21068 Views
- I also Faced
- E-Mail Answers
Answer Posted / joseph
The compressive strength is calculated at 3 ,7 ,28 days.if
you want to transport a precast structure of the grade
40/20 ,it should aquire 60% of design strength ..here it is
60% of 40.In seven days we shoul attain 75% of design
strength. Then your answer ; all the test cubes must attain
their 100% of design strength in 28 days. to ensure this
one we are taking test in 28 days .if cubes fail we have to
go for field test such as smith and hammer test or pulse
velosity (BS 12504 ).
Refer BS 1881 part 116
there are some factors to asses the test result
refer BS 6089
| Is This Answer Correct ? | 15 Yes | 5 No |
Post New Answer View All Answers
what is the productivity in aluminium shuttering per day
where can i get the previous question papers for rrb section enginerr (civil)
What is rate of concrete surface rendering work per sqm
Can someone please be curing period of the following according to IS codes Column beam slab brick masonry raft found. and also tell how many hours/day
can any one give me sample question paper of BHEL at mdansari86@gmail.com as i m appearing for the same exam.
What does a construction cost covers and what does not?
How to calculate carrying capacity of the existing water supply trunkmain
What is Refuse Area In High Rise Building ?
Determine the production capacity of a treatment plant for a city of 1,250,000 population. Assume the specific consumption per capita of 15ol/c/d, non-domestic water use of 30,000,000 m³/year, and UFW of 12%.
What are the advantages of cad software?
How to build the floor to ceiling bookcase?
explain five benefits of using standard terminology in the measurement process?
who to find building iron rod strenth
how to calculate rate analysys of 1:6 plastering 10 sq m
why we use for testing of compression strength concrete the size of specimen 150x150x150. why we are not using another dimension like 100x150x100 uneven dimension.
