How To Do Deep Excavation & Open Excavation For Construction Work

What Is Excavation?

Excavation is very important part of civil construction line. An excavation means a man-made cavity or depression in the earth’s surface formed by earth removal.

DEEP EXCAVATION

Deep excavation in soil or hard soil more than 15 ft or 4.5 m is called deep excavation.

deep excavation

OPEN EXCAVATION

Open excavation means an excavation without any retaining wall system by providing suitable slope of excavation such as 1:2, when surrounding allows.

RETAINED DEEP EXCAVATION

A deep excavation in soil or rock with some retaining wall system like concreting pile, Cement Spray in soil wall, usually in populated areas.

NECESSITY OF DEEP EXCAVATION

  •  Deep excavation has become more a necessity of better utilization of space as the population of the world increased.
  • As far as the mega structures like dams are concerned, deep excavation may be employed for the construction of different components like power stations.
  • But the contribution of basements in the stability against overturning of high rise buildings cannot be neglected which obviously require deep excavation.

Earthwork Includes:

  • Excavation
  • Grading: Moving earth to change elevation
  • Temporary shoring
  • Back fill or fill: Adding earth to raise grade
  • Compaction: Increasing density
  • Disposal

Excavation

  • An excavation means a man made cavity or depression in the earth’s surface formed by earth removal.
    Deep Excavation also deep excavation is a very important part of civil construction. 
  • An excavation in soil or hard rock more than 15 ft or 4.5 m deep is called deep excavation.

Open Excavation

  • It means an excavation without any retaining system by providing suitable slope of excavation such as 1:2, when surrounding allows

Retained Deep Excavation

  • A deep excavation in soil or rock with some retaining system, usually in populated areas.

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1 Response

  1. Mendes says:

    Very Helpful indeed

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