How To Do Deep Excavation & Open Excavation For Construction Work

by Tutorial Tips Civil · 09/21/2018

What Is Excavation?

Excavation is a very important part of the civil construction lines. 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.

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 a necessity of better utilization of space as the population of the world increases.
As far as 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 requires deep excavation.

Earthwork Includes:

Excavation
Grading: Moving earth to change elevation
Temporary shoring
Backfill or fill: Adding earth to raise the 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.