IMPORTANT OF GEOLOGY IN CIVIL ENGINEERING

Important of Geology in Civil Engineering

Its aim at safety, stability, economy and life of the structure that they construct.
In site rocks when the situation in which it is originally form or deposited.
Engineering geology is how much helpful in Civil Engineering?

1. with reference to Dams.
2. With reference to reseriors.
3. With reference to Tunnels.
4. With reference to Road.

1. With reference to Dams:
Type of Dam:

• Irrigation.
• Hydropower.
• Water Supply.
• Flood Control.
• Navigation.
• Fishing.
• Recreation.

What is needed before construct a Dam?

Geological Investigation consist of-

• Topographical features.
• Natural Drainage patterns.
• Characters & Structure of rock formation.
• The trend and type of weathering & erosion of area.
• Geology of site.
• Structural features of Rocks.
• Structural defect of Rocks.
• Crushing & shearing strength of rock.
• Thickness of the bedding planes.
• Zones of fractures & weaknesses.
• Water table in the area.
• Accumulation of stream deposits.

2. With reference to Reservoirs:

Geological investigation of reservoirs consist

• Topography of the area.
• The ground water conditions.
• Structural Constitution of the area.
• Trend & rate of weathering.
• Porosity & permeability of rocks.

3. With reference to Tunnels:

Few example of Tunnels in India

1. Ramganga reversion tunnel.
2. Unim-Barampani stage-l tunnel.
3. Kayna lll tail race tunnel.
4. Bassein creek tunnel.

Tunnel may be defined as underground routes or passages driven through the ground without disturbing the overlying soil or rock cover.
Main Tunnels are-

• Geological investigation consist of-
• The depth of Bed rock.
• The nature of Bed rock.
• The structural deposition of rock.

5. With reference to Roads:

Geological Investigation consist of-

• Topography.
• Lithological characters.
• Geological Structures.
• Weathering.
• Ground water condition.

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