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Past Year Questions: Highway Maintenance | Transportation Engineering - Civil Engineering (CE) PDF Download

Q1: As per IRC : 37-2012, in order to control subgrade rutting in flexible pavements, the parameter to be considered is    [2018, Set-2]
(a) horizontal tensile strain at the bottom of bituminous layer
(b) vertical compressive strain on top of subgrade
(c) vertical compressive stress on top of granular layer
(d) vertical deflection at the surface of the pavement
Ans: 
(b)
Sol:
As per IRC : 37-2012
Past Year Questions: Highway Maintenance | Transportation Engineering - Civil Engineering (CE)
where N = No. of cumulative standard axle
v = Vertical strain in the subgrade


Q1: Road roughness is measured using    [2012]
(a) Benkelman beam
(b) Bump integrator
(c) Dynamic cone penetrometer
(d) Falling weight deflectormeter

Ans: (b)
So: 
Bankelmann beam is used to measure the deflection of a flexible pavement under moving wheel loads.
Falling weight deflectometer is used to estimate pavement structural capacity. Bump integrater is used to measure road roughness.

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FAQs on Past Year Questions: Highway Maintenance - Transportation Engineering - Civil Engineering (CE)

1. What are the primary responsibilities involved in highway maintenance?
Ans.The primary responsibilities of highway maintenance include regular inspections, repairs of road surfaces, managing drainage systems, maintaining road signs and markings, and ensuring the overall safety and functionality of highway infrastructure.
2. How often should highways be inspected for maintenance purposes?
Ans.Highways should typically be inspected at least once a year, although more frequent inspections may be necessary for heavily trafficked roads or areas prone to weather-related damage.
3. What are common methods used for highway surface repairs?
Ans.Common methods for highway surface repairs include patching, resurfacing, and full reconstruction. Patching involves filling in potholes and cracks, while resurfacing adds a new layer of material to improve the surface condition.
4. How do weather conditions impact highway maintenance activities?
Ans.Weather conditions can significantly impact highway maintenance activities, as heavy rain, snow, and extreme temperatures can cause wear and tear on road surfaces, leading to increased maintenance needs and potential delays in repair work.
5. What role do local governments play in highway maintenance?
Ans.Local governments are responsible for the maintenance of local highway networks, including allocating budgets for repairs, organizing maintenance schedules, and ensuring compliance with safety regulations and standards.
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