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Calculation of Standard Axle Loads -Quiz Starter Quiz

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Question 1

In an axle load survey the following axle loads (as depicted in the table) are considered. The Vehicle Damage Factor (VDF) if the total number of vehicles on the road in the terms of standard axle loads of 80KN is

Question 2

If a particular pavement fails with 78 number of repetitions of load say 7500 kg and the same pavement fails with N2 number of repetitions of load 3780 kg. Then value of N2 is____________ (Provide answer to nearest integer)

Question 3

Current traffic volume for 6 lane highway is shown below. A pavement with design life of 15 years is needed to build. If Traffic volume will grow linearly by 25 % (assuming linear increase) over next 15 years and lane distribution factor (upto two decimal places) for lane 4 is _____. 
Design ESAL for lane 4=15682035

Question 4

The result of one day axle load of trucks on a road is given below. Find the number of repetition of standard 80KN axle in a year (nearest integer)

Question 5

For an axle load of A tonne on a road, the Vehicle Damage Factor (round off to two decimal places) is 17.3 , If standard load is 9 tonne then Value of A is ______

Question 6

Calculate the design trafiic in million standard axle required for design of flexible pavement as per IRC method using following data

i. Annual daily commercial vehicle at last count ( JUNE 2016) = 355

ii. Rate of traffic growth= 6%

iii. Design life = 15 years

iv. Vehicle damage factor = 1.5

v. Load safety factor =1

vi. The road is proposed to be completed in June 2021

Assume it will be two lane road with traffic in both direction

Question 7

A traffic survey conducted on a road yield an average daily traffic count of 6000 vehicle. The axle load distribution on the same road is given in the following table:

The design period of the road is 12 years, the yearly traffic growth rate is 6.3% and the load safety factor is 1.3. If the vehicle damage factor is calculated from above data, the design traffic (in million standard axle load MSA) is

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Sep 22ESE & GATE CE