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Engineering Geology and Seismology

Introduction to Engineering Geology

Introduction to Engineering Seismology

Identification of minerals

Streak

Color

Hardness: Moh's scale of hardness

Cleavage

Fracture

Luster

Color:

Some minerals have characteristics color

Streak:

Color of mineral in powdered form. Powder is obtained by crushing the mineral in powdered form. Color of the streak differs from color of mineral: for example the color of pyrite is brass yellow and its streak is dark green.

Geological Materials used in Civil Engineering

Stability of rock and soil: Land slides

Geological investigation in engineering construction: Tunnels, dams and bridges

Engineering Seismology

Importance of seismology in civil engineering practice

  1. Continental drift, plate tectonic and elastic rebound theory
  2. Types of Seismic waves
  3. Earthquakes: Causes and effects
    Intensity and magnitude scale
  4. Engineering Seismology
  5. Earthquake observation: Seismograph and accelerograph
  6. Characteristics of strong motion: amplitude, duration and frequency
  7. Seismic hazard
  8. Local site effects
  9. Seismic risk: Vulnerability, exposure and hazard

What is engineering geology?

Seismology is study of the generation, propagation and recording of the elastic waves and the source that produce them.

Engineering geology is the application of geological data, techniques and principles to the study of rock and soil surfacing materials, and ground water. This is essential for the proper location, planning, design, construction, operation and maintenance of engineering structures.

Recommended Books

Earthquakes by Bruce A. Bolt

Geology: General and Engineering by K.M. Bangar

Importance of engg geology in Civil Engineering practice

What does Engineering Geology study?

Rock, soil, water and the interaction among these constituents, as well as with engineering materials and structures.

Why to study Engineering geology?

Serve civil engineering to provide information in 3 most important areas:

Resources for construction; aggregates, fills and borrows.

Finding stable foundations;

Mitigation of geological hazards; Identify proplems, evaluate the costs, provide information to mitigate the problem

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