What is Road Gradient? – Definition and Types

What is Road Gradient?

What is Road Gradient? It is the rate of rise or fall of road level along its length. It is expressed either as the rate of rise or fall to the horizontal distance or as percentage rise or fall. In India usually, former practice is used. The gradient of pavement is governed by the following …

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Advantages And Disadvantages of Tunnels

Advantages And Disadvantages of Tunnels

Tunnels are underground artificial passages which are constructed without disturbing the ground surface. The methods involved in underground operations are known as tunnel driving. Tunnels may be constructed through hills, below ground, rivers etc. for various purposes. Following are the advantages and disadvantages of tunnels. Advantages of Tunnels Tunnels allow rapid and unobstructed transport facilities …

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What Is Super Elevation?

What is Super Elevation?

Super Elevation When a vehicle passes from a straight to a curved path or in other words when a vehicle negotiates horizontal curve following two forces act on vehicle: Centrifugal Force Weight of the Vehicle ¬†Centrifugal Force The centrifugal force is a function of the speed of the moving vehicle. It always acts at the …

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Material Required for Construction of WBM Road

Material Required for Construction of WBM Road

The oldest type of highway pavement used in modern times is known as Macadam after the name of Johan Macadam, a Scottish Engineer.  The term Macadam in the present time means the road surface and base constructed of crushed or broken aggregates cemented together by the action of rolling and water.  The binding action in …

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What is WBM Road? Construction Procedure, Advantages, Disadvantages

WBM Road Construction

What is WBM Road? Full form of WBM is Water Bound Macadam. It is the layer of broken stone aggregates bound together by stone dust or screening material and water applied during construction and compacted by heavy smoothed wheel roller.  It is the oldest type of highway pavement used in modern times is known as Macadam …

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