Interested to Buy Any Domain ? << Click Here >> for more details...
Laboratory experiments conducted in Mumbai on a particular
mix showed a
strength of 33 MP a for a fully matured concrete. Find
whether formworm
can be removed for an identical concrete placed at Jammu at
the age of 15
days when the average temperature is 60C. The stripping
stress in concrete
- 2 Answers
- 5063 Views
- CCIL, I also Faced
- E-Mail Answers
Answer Posted / buntychandwani
First thing the question is not completely and correctely
typed. The stripping stress in concrete in missing and also
how 60 deg temp will be possible in Jammu & Kashmir.
Let us connsider the Stripping stress of concrete as 25 Mpa
and average temp is 6 deg.
Now,
Maturity = Submission (time x temp)
= 15 x 24 x [6 - (11)]
= 6120 deg CH
Plowman's Constant given as A = 21 and B = 61
Se/S 15 = A + B Log10 [ M /1000]
Percentage of strength = 21 + 61 log(6120/1000)
= 68.99
The strength of Concrete at 15 days = 33 x (68.99/100)
= 22.76 Mpa
Since the strength of concrete is less than the stress to
which it is likely to be subjectd while stripping the
formwork, the concrete may fail. Therefore, the formwork
cannot be removed at 15 days time.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
types of survey and levelling instrument ?
what are the grades of concrete?where and or what purpose a particular grade is used in a particular structure?
Which code is used for tor & tmt steel bar?
How many days should curing of plastering, brick work and concrete
How much for the BRC lapping in full yield and half yield < and which table to get it ?
1.How much batten required for 1 sqm Shuttering. 2.how much pipe & clamps required for staging of 100 sqm shuttering at 5.0 m height.
i have four storeyed rcc building.basement of the building is around 34 years old.it does not have pillar support.it is having lintel steel support at every 7 feet of construction. how long this building will lost long . can any body help me in this regard
How do you convert wind speed into force?
What you understand by richter scale?
How can we convert weight batch to volume batch for m30 mix
Define angular dimension?
1.Why we are preferring 43 grade cement than 53 grade cement. 2. Approximate cost difference between 43 and 53 grade cement. Thanks.
what is the mix design for M:60 with micro silica andmetakaoline?
how to calculate the crushing strength of cement concrete paver blocks 100x100x60 mm thich.
How to avoid fly ash seed ball formations in the concrete mixer while mixing of raw materials for fly ash block manufacturing?
