Key words used in road under special conditions, Mechanical Engineering

Keywords used in appropriate technology:

Hill Roads : Roads in hilly and mountainous terrain.

Landslides : The slippage of mass of hill face.

Retaining Walls : Structures constructed to retain the fill portion in hill roads.

Breast Walls : Structures constructed to buttress uphill slopes of hill roads.

Check Walls : Small retaining structures provided in series to arrest landslides.

Gabion Walls : Walls made up of stones encased in wire mesh or geogrid cages.

Parapet Walls : Walls constructed for protecting vehicles from falling into the valley in hill roads.

Marshy Area : Area which is water-logged and swampy.

Sand Drains : Vertical drains constructed to facilitate upward movement of water from underlying saturated soil.

Dunes : Mounds formed by deposit of wind-blown fine sand in deserts.

Gravel Roads : Roads having a surfacing of naturally occurring or blended material.

Appropriate Technology : Technology using equipment like tractors, disc harrows, tillers, rooters and rotavators.

Posted Date: 1/22/2013 6:22:11 AM | Location : United States

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