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Rajib Barua
Worked at Titas Gas Transmission and Distribution Ltd.
Attended Chittagong University of Engineering and Technology
Lives in Bangladesh
257 followers|10,213,440 views
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Rajib Barua

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Water content consists of added water during mixing of concrete and water held within the aggregate while entering into the mixers.
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Rajib Barua

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What is Effective Water in Concrete Mix?
So far we have discussed about different relationship between water content or water/cement ratio and strength of concrete or durability parameters; but do we know how does water is measured in calculating water/cement ratio? Is it total quantity of water? ...
Water content consists of added water during mixing of concrete and water held within the aggregate while entering into the mixers.
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Rajib Barua

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Does Strength of Concrete Depend on Aggregate/Cement Ratio?
The discussion about relation between strength of concrete and water/cement ratio has discussed in many posts but aggregate/cement ratio has not yet been discussed and it is believed that this ratio is not very important. But actual situation is not always ...
There have lower total water content in each cubic meter in a high aggregate/cement ratio concrete mix than that of low aggregate/cement ratio mix.
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Determination of Water/Cement Ratio of Fresh Concrete
We have discussed necessity of analysis of fresh concrete ; the analysis means mainly determination of water/cement ratio and cement content . Cement-content have been discussed in previous post, here we will discuss about water/cement ratio. ASTM C1079 sug...
In determining Water content of fresh concrete a more accurate method based on scattering of neutrons emitted by influence of heat can be used.
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What is Analysis of Fresh Concrete? Determine Cement Content of Fresh Concrete
Tests on concrete are conducted in different stage after placing, of these, tests on hardened concrete are reliably (to some extent) established, but when analysis is concern, the determination of water/cement ratio and cement content are of primary interes...
The U.S. Army suggested a calcium-titration method for determining cement content in fresh concrete which takes only 15 minutes in field.
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Minimum Vibration Parameter for Concrete Compaction
Now almost all concrete work is accompanied by vibration using different type of vibrator. The vibrators used in this purpose are: a. Internal vibrator b. External vibrator c. Vibrating table d. Surface vibrator e. Vibrating roller The vibration produced fr...
Vibration produced from identical sources; generally eccentric mass is rotated rapidly to produce vibration….component of vibration to concrete is neutralized.
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Unlike water, ice formed in pores with in gel has resistance against stress and frozen concrete shows extremely apparent porosity thus high strength.
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Rajib Barua

Shared publicly  - 
 
There have lower total water content in each cubic meter in a high aggregate/cement ratio concrete mix than that of low aggregate/cement ratio mix.
1
Add a comment...

Rajib Barua

Shared publicly  - 
 
In determining Water content of fresh concrete a more accurate method based on scattering of neutrons emitted by influence of heat can be used.
1
Add a comment...

Rajib Barua

Shared publicly  - 
 
The U.S. Army suggested a calcium-titration method for determining cement content in fresh concrete which takes only 15 minutes in field.
1
Add a comment...

Rajib Barua

Shared publicly  - 
 
Vibration produced from identical sources; generally eccentric mass is rotated rapidly to produce vibration….component of vibration to concrete is neutralized.
1
Add a comment...

Rajib Barua

Shared publicly  - 
 
Unlike water, ice formed in pores with in gel has resistance against stress and frozen concrete shows extremely low apparent porosity thus high strength.
1
Add a comment...
People
In his circles
2,227 people
Have him in circles
257 people
George Sieberi's profile photo
toufik guerbas's profile photo
Patrick Chareyre's profile photo
Wasimur Rahman's profile photo
Dilip Shah's profile photo
‫نابلس ( ملتقى الاحبة )‬‎'s profile photo
kendra lee's profile photo
Sunil Kumar prince's profile photo
Ganesh Brass Industries's profile photo
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Currently
Bangladesh
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Work
Employment
  • Titas Gas Transmission and Distribution Ltd.
    Assistant Engineer
Education
  • Chittagong University of Engineering and Technology
    2005
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Gender
Male