ASC Infratech Highway Design Engineer Interview Questions and Answers

Superelevation is the banking or tilting of a roadway on a curve to counteract the centrifugal force.

• Superelevation is used to increase the safety and comfort of vehicles traveling on curved roadways.

• It involves raising the outer edge of the road higher than the inner edge to create a sloping surface.

• The amount of superelevation required depends on factors such as design speed, curve radius, and vehicle characteristics...read more

Centrifugal force is the apparent force that acts outward on a body moving in a curved path.

• Centrifugal force is not a real force but rather a perceived force due to inertia.

• It is experienced when an object moves in a curved path and feels like it is being pushed away from the center of the curve.

• The magnitude of centrifugal force depends on the mass of the object, its velocity, and the radius of the curve.

• Centrifugal ...read more

Types of foundation include shallow, deep, and pile foundations.

• Shallow foundations are used when the soil is strong enough to support the structure's load, such as spread footings and mat foundations.

• Deep foundations are used when the soil is weak or unstable, such as pile foundations and drilled shafts.

• Pile foundations are deep foundations that transfer the load to deeper, more competent soil or rock layers, such as

The density of soil in the embankment layer varies depending on the type of soil and compaction methods used.

• The density of soil in the embankment layer is typically measured in terms of dry density or wet density.

• Dry density refers to the mass of solid soil particles per unit volume of soil, while wet density includes the mass of water as well.

• The density of soil in the embankment layer is influenced by factors such a...read more