Engineer
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Geotechnical Engineering
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Dr. Talat A Bader Lecture 5
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… the practical application of science and mathematics, as in the design and construction of machines, vehicles, structures, roads, and systems … (Random House Webster’s College Dictionary, 1991)
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A person trained and skilled in any of the various branches of engineering: a civil engineer (Random House Webster’s College Dictionary, 1991)
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Geotechnical Engineering is: A L
That branch of civil engineering that deals with soil, rock, and underground water…i.e. the use of soil and rock as a construction material.
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Issues addressed by geotechnical engineers:
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Can the soils support the structure? What will the groundwater due in the future and how will that affect the structure? What is the impact of grading, excavation or filling? Are the earth and rock slopes stable? What type of foundations are best suited for the structure?
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Soil Mechanics
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Strength of materials
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Statics
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Foundations
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Engineering Geology
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What type of retaining walls if used are required? How will the site respond to an earthquake? Is the site contaminated? How can a contaminated site be remediated?
To complete a geotechnical engineering project one must:
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Understand the nature of the structural and geotechnical loading Understand the geological setting of the construction site Understand the engineering behavior of the soils that will carry the structural loads Understand the interaction between the soil and rock and the foundation elements.
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For every project the geotechnical engineer must:
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Study the geology of the site and how it affects the planned construction Investigate the surface and subsurface geotechnical materials Conduct field and laboratory tests to ascertain the necessary engineering properties of the soil
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CE Curriculam at KFUPM
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Required Courses CE 353 Geotechnical Engineering Elective Cources CE 453 Geotechnical Engineering II CE 454 Soil Stabilization & Site Improvement CE 455 Foundation Desidgn CE 456 Seepage Analysis
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Determine the most economical foundation system compatible with the geotechnical properties of the site and the needs of the structure. Develop appropriate construction procedures. Monitor the progress of construction
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Mechanics (some Rock Mechanics) E Deep & Shallow Foundations 1 Landslides & Earthquakes 0 Groundwater 0 Soil & Rock as eng. Materials Exploration & Testing Allied w/ Geological Engineering
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CE 353 Soil Mechanics will: C E 1 0 0
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Focus on understanding the engineering behavior of soils: Strength Deformation This requires an understanding of: The origin of soil The nature of the individual particles that make up a soil
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Why do you want to be a Civil Engineer?
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Proficiency in math and science Suggested by a high school counselor Has relative that is an engineer xx xx xx
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The effect of particle grouping (packing) on the engineering properties of soil. The very important effect of water on the engineering properties of soil. An understanding of how stresses are transmitted to and through soil material The effect of the transmitted stresses on the deformation of soil elements, and An understanding of how soil fails under load.
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