Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 6 (Q.No. 15)
15.
The width of expansion joint gap is 2.5 cm in a cement concrete pavement. The spacing between expansion joints for a maximum rise in temperature of 25°C is, (assuming coefficient of thermal expansion of concrete as 10 x 10-6 per degree C),
Discussion:
7 comments Page 1 of 1.
Arabinda Manna said:
9 years ago
It would be 100 meters.
Here, dl = 25mm, α = 10 * 10^-6, (t1 - t2 = 25).
Hence, dl = l * α * (t1 - t2).
l = 100 meters.
Here, dl = 25mm, α = 10 * 10^-6, (t1 - t2 = 25).
Hence, dl = l * α * (t1 - t2).
l = 100 meters.
Amit padiyar said:
9 years ago
It would be 50m
Solution- width of expansion joint = 2.5cm.
Now both sides slab starts expand so we have to take (2.5/2) width of expansion for a single slab length.
Now expansion due to thermal.
1.25 = 10x10^-6xLx25.
L = 50m.
Solution- width of expansion joint = 2.5cm.
Now both sides slab starts expand so we have to take (2.5/2) width of expansion for a single slab length.
Now expansion due to thermal.
1.25 = 10x10^-6xLx25.
L = 50m.
(1)
RAKESH KUMAR said:
9 years ago
@Arabinda, & @Amit.
Which 1 is correct 50 or 100?
Which 1 is correct 50 or 100?
Vinay said:
8 years ago
50 is the correct answer.
Budhadev mili said:
7 years ago
50 is the correct answer.
Priyanka said:
5 years ago
50m is the correct answer.
Laltu said:
3 years ago
50 m is the correct answer.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers