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Old April 30th, 2014, 06:59 PM
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Will you please give me the Gujarat Technological University Civil Engineering 3rd Sem Concrete Technology previous years question papers as I need it urgently?

As you want ton get the Gujarat Technological University Civil Engineering 3rd Sem Concrete Technology previous years question papers so here is the information of the same for you:

Gujarat Technological University Civil Engineering 3rd Sem Concrete Technology previous years question papers







Contact Details:
Gujarat Technological University
Nigam Nagar,
Chandkheda,
Ahmedabad,
Gujarat 382424 ‎
India

Map Location:
https://www.google.co.in/maps?q=Guja...m&z=16&iwloc=A

Last edited by Aakashd; May 31st, 2019 at 11:18 AM.
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  #2  
Old December 31st, 2014, 01:56 PM
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Default Re: GTU Civil Engineering 3rd Sem Concrete Technology previous years question papers

Here I am providing the list of few questions of Gujarat Technological University Civil Engineering 3rd Sem Concrete Technology Paper which you are looking for .
Gujarat Technological University Civil Engineering 3rd Sem Concrete Technology Paper
Q.1 (a) Using IS method of mix design, find out proportions of concrete for following
data:
Grade of Concrete: M 30
Degree of Control: Very good
Maximum size of Aggregate: 20 mm
Specific gravity of Cement: 3.15
Specific gravity of FA: 2.60
Specific gravity of CA: 2.62
Condition of Exposure: severe
Workability: 0.90 CF
Note: 5% of the low results are acceptable and W/C ratio for 28 days strength of
concrete is 0.49. Refer table 1 to 6.
10
(b) Explain in short the procedure for the damage assessment of structural element. 04
Q.2 (a) What is soundness of cement? Explain the testing procedure to determine the
soundness of cement with neat sketch.
07
(b) Explain the factors affecting properties of fiber reinforced concrete. 07
OR
(b) Describe the manufacturing of OPC with flow chart. 07
Q.3 (a) Explain the compacting factor test. Compare it with slump test. 07
(b) Define segregation of concrete. Explain the factors affecting it. 07
OR
Q.3 (a) Explain workability and factors affecting it in detail. 07
(b) What is gel/space ratio? How it will influence the strength 07
of concrete?
Q.4 (a) Explain shrinkage and factors affecting it. 07
(b) Explain the basic principle on which Schmidt’s rebound hammer is working.
What are the limitations of it?
07
OR
Q.4 (a) Write explanatory note on shape and size of aggregates. 07
(b) Write short note in “Use of plasticizers in concrete”. 07
Q.5 (a) Explain the factors that promoting the alkali-aggregate reaction. 07
(b) Define shotcrete and explain dry mix process of it. 07
OR
Q.5 (a) What is curing? Explain membrane curing. 07
(b) Define durability. Explain its significance. 07

Table – 1: Suggested value of standard deviation:
Standard Deviation for Different Degree
of Control
Grade
Concrete
Very good Good fair
M 10 2.0 2.3 3.3
M 15 2.5 3.5 4.5
M 20 3.6 4.6 5.6
M 25 4.3 5.3 6.5
M 30 5.0 6.0 7.0
Table – 2 Value of ‘t’
Accepted Proportion of
Low Results
Value of ‘t’
1 in 5 0.84
1 in 10 1.28
1 in 15 1.50
1 in 20 1.65
1 in 40 1.86
1 in 100 2.33
Table – 3 Values of W/C ratio and compressive strength
Compressive Strength in
N/mm2 at 28 days
W/C ratio
20 0.60
25 0.525
30 0.48
35 0.42
40 0.375
45 0.335
Table – 4 W/C ratios as per Durability Requirements
Exposure Condition Maximum W/C ratio
Mild 0.65
Moderate 0.55
Severe 0.45
Table – 5 Approximately sand and water content per m3 of concrete for grade up to M 35
Nominal maximum size of
aggregate mm
Water content per meter
cube of concrete in Kg
Sand as % of total
aggregate by absolute
volume
10 208 40
20 186 35
40 165 30
Table – 6 Approximate Air Content
Nominal Maximum size of
Aggregate mm
Entrapped air as % of
volume of concrete
10 3.0
20 2.0
40 1.0
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