Geology, Rocks, and Soils

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Questions and Answers

It is the technical specialty that deals with soil and rock as supporting materials for structures.

  • Geotechnical Engineering (correct)
  • Structural Engineering
  • Foundation Engineering
  • Geological Engineering

It deals with the application of geologic fundamentals to engineering.

  • Engineering Geology (correct)
  • Geology
  • Geotechnical Engineering
  • Soil Science

It is basic science that is concerned with the study of the history of the Earth, the rocks of which it is composed and the changes that it has undergone or is undergoing.

  • Geotechnical Engineering
  • Soil Science
  • Engineering Geology
  • Geology (correct)

These are formed from rock as it is acted upon by physical, chemical, and biological forces.

<p>Soil (B)</p> Signup and view all the answers

It is a phenomenon by which the soil on the downstream sides of some hydraulic structures gets lifted up due to excess pressure of water.

<p>Piping (A)</p> Signup and view all the answers

It serves as parent material for natural soil formation.

<p>Rock (D)</p> Signup and view all the answers

Molten solution where igneous rocks came from.

<p>Magma (C)</p> Signup and view all the answers

They form when sediments undergone compaction and cementation.

<p>Sedimentary Rocks (A)</p> Signup and view all the answers

This is the ability to resist sliding along internal surfaces within a mass.

<p>Shear Strength (D)</p> Signup and view all the answers

They form when rocks undergone weathering and erosion.

<p>Sedimentary Rocks (C)</p> Signup and view all the answers

This is the study of physical properties like density and magnetism of the earth or its parts.

<p>Geophysics (C)</p> Signup and view all the answers

It is a general term used when the surface of the earth is worn away by the chemical as well as mechanical actions of physical agents and the lower layers are exposed

<p>Denudation (D)</p> Signup and view all the answers

It deals with the application of geological knowledge in the field of mining.

<p>Mining Geology (A)</p> Signup and view all the answers

It is the study of the ways in which rocks or sediments are arranged and deformed on the earth.

<p>Structural Geology (D)</p> Signup and view all the answers

It is the process of simply removing the loose sand and dust sized particles from as area, by fast moving winds.

<p>Deflation (D)</p> Signup and view all the answers

This is a two-dimensional view of rock distribution.

<p>Map View (D)</p> Signup and view all the answers

The subject concerned with the study of the response of rock to an applied disturbance caused by natural or engineering processes.

<p>Rock Mechanics (B)</p> Signup and view all the answers

It is a view of a vertical slice of the earth

<p>Geologic cross-section (B)</p> Signup and view all the answers

This branch is relatively more recent and deals with the occurrence, distribution, abundance, mobility etc, of different elements in the earth crust.

<p>Geochemistry (C)</p> Signup and view all the answers

These are defined as wavy undulations developed in the rocks of the Earth's crust due to horizontal compression resulting from gradual cooling of the Earth's crust, lateral deflection and intrusion of magma in the upper strata

<p>Folds (D)</p> Signup and view all the answers

The finest particles of dust travelling in suspension with the wind are transported to a considerable distance,

<p>Loess (A)</p> Signup and view all the answers

This is where the continuity of the rock mass breaks

<p>Fracture (A)</p> Signup and view all the answers

These are fractures in crustal strata along which appreciable shear displacement of the adjacent rock blocks have occurred relative to each other, probably due to tectonic activities.

<p>Faults (C)</p> Signup and view all the answers

The fracture along which the shear displacement has taken place

<p>Fault Plane (B)</p> Signup and view all the answers

It is a branch of mechanics that studies the mechanical properties of various types of soil and its strength at different moisture-content levels.

<p>Soil Mechanics (A)</p> Signup and view all the answers

He is the Father of Modern Soil Mechanics.

<p>Karl von Terzaghi (D)</p> Signup and view all the answers

These are highly permeable are compressed in a relatively short period of time as compared to cohesive soils which are less permeable

<p>Cohesionless Soils (D)</p> Signup and view all the answers

It involves a gradual compression occurring simultaneously with a flow of water out of the mass and with a gradual transfer of the applied pressure from the pore water to the mineral skeleton

<p>Consolidation (D)</p> Signup and view all the answers

It is defined as the ratio of an earthquake based on actual effects produced by the quakes on the earth.

<p>Intensity (D)</p> Signup and view all the answers

The process opposite to consolidation

<p>Swelling (C)</p> Signup and view all the answers

The field and laboratory investigations required to obtain the essential information on the subsoil

<p>Soil Exploration (D)</p> Signup and view all the answers

They exist in nature and are formed by natural causes.

<p>Infinite Slopes (B)</p> Signup and view all the answers

The point which is diametrically opposite to the epicenter

<p>Anticenter (A)</p> Signup and view all the answers

This is the steepest inclination of the plane to horizontal

<p>True Dip (C)</p> Signup and view all the answers

It is the trace of the dipping plane with the horizontal reference plane. It is also the orientation of the horizontal line drawn on the dipping plane

<p>Strike (A)</p> Signup and view all the answers

They look like a new moon in plan are of most common occurrence.

<p>Barchans (A)</p> Signup and view all the answers

This is the interface between a superstructure and its supporting soil.

<p>Foundation (B)</p> Signup and view all the answers

This is the inclination of any arbitrary line on the plane to horizontal, which is always less than the true dip

<p>Apparent Dip (C)</p> Signup and view all the answers

It is the study of different types of foundation and their proper applications.

<p>Geotechnical Engineering (A)</p> Signup and view all the answers

It normally comprises two footings connected by a beam

<p>Strap Footing (B)</p> Signup and view all the answers

It is a long footing supporting two or more columns in one row.

<p>Combined Footing (C)</p> Signup and view all the answers

It is a large footing, usually supporting several columns in two or more rows.

<p>Mat Foundation (D)</p> Signup and view all the answers

It is defined as the process of breaking up of rocks into small pieces by the mechanical agencies of physical agents.

<p>Disintegration (A)</p> Signup and view all the answers

It is defined as that of applied sciences which deals with the application of geology for a safe, stable land economical design and construction of a civil engineering project.

<p>Engineering Geology (C)</p> Signup and view all the answers

It deals with different physical features of the earth, such as mountains, plateaus, valleys, rivers, lakes, glaciers, and volcanoes in terms of their origin and development.

<p>Physical Geology (B)</p> Signup and view all the answers

This deals with the study of minerals.

<p>Mineralogy (C)</p> Signup and view all the answers

It deals with the study of rocks

<p>Petrology (D)</p> Signup and view all the answers

It deals with occurrence, movement and nature of groundwater in an area.

<p>Geohydrology (C)</p> Signup and view all the answers

It is defined as a process of decay, disintegration and decomposition of rocks under the influence of certain physical and chemical agencies.

<p>Weathering (B)</p> Signup and view all the answers

These are the elongated ridges of sand with their longer axis broadly parallel to the direction of the prevailing wind.

<p>Longitudinal Dunes (B)</p> Signup and view all the answers

It is defined as the process of breaking up of mineral constituents to form new components by the chemical actions of the physical agents.

<p>Decomposition (D)</p> Signup and view all the answers

It is the chemical reaction between gases of the atmosphere and minerals of the rocks

<p>Chemical Weathering (D)</p> Signup and view all the answers

It occurs when living organisms break up rocks

<p>Biological Weathering (D)</p> Signup and view all the answers

It is the reaction of oxygen with chemicals in a rock.

<p>Oxidation (A)</p> Signup and view all the answers

It is a process in which a rock absorbs water into its chemical structure.

<p>Hydrolysis (B)</p> Signup and view all the answers

This is a combination of those two representations and gives a 3-D view of formations and contacts.

<p>Block Diagram (A)</p> Signup and view all the answers

It is caused by carbonic acid in water reacting with and degrading rock.

<p>Carbonation (A)</p> Signup and view all the answers

This is a fracture where little or no movement has taken place

<p>Joint (A)</p> Signup and view all the answers

It is caused by sulphur and nitrogen compounds in the air reacting with water to form acids that then fall to the ground.

<p>Acid Rain (C)</p> Signup and view all the answers

These are huge heaps of sand formed by the natural deposition of windblown sand sometimes of characteristics and recognizable shape.

<p>Sand Dunes (B)</p> Signup and view all the answers

The interaction between soils and percolating water

<p>Seepage (A)</p> Signup and view all the answers

Flashcards

Geotechnical Engineering

Deals with soil and rock as supporting materials for structures.

Engineering Geology

Applies geologic fundamentals to engineering projects.

Geology

Concerns the history of the Earth and rocks.

Soil

Material formed from rock acted upon by physical, chemical, and biological forces.

Signup and view all the flashcards

Magma

Molten solution that forms igneous rocks.

Signup and view all the flashcards

Sedimentary Rocks

Rocks formed from compaction and cementation of sediments.

Signup and view all the flashcards

Geophysics

Study of physical properties like density and magnetism of the Earth.

Signup and view all the flashcards

Mining Geology

Geological knowledge applied to the field of mining.

Signup and view all the flashcards

Structural Geology

Study of rock or sediment arrangement and deformation.

Signup and view all the flashcards

Deflation

Process of removing loose particles by wind.

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Map View

Two-dimensional view of rock distribution.

Signup and view all the flashcards

Rock Mechanics

Study of rock response to natural or engineering disturbances.

Signup and view all the flashcards

Geochemistry

Deals with the occurrence, distribution, abundance, and mobility of elements in the earth.

Signup and view all the flashcards

Folds

Wavy undulations developed in rocks due to horizontal compression.

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Loess

Finest dust particles transported by wind.

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Fracture

Fracture where the continuity of rock mass breaks.

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Faults

Fractures with shear displacement due to tectonic activities.

Signup and view all the flashcards

Soil Mechanics

Studies the properties of soil and its strength.

Signup and view all the flashcards

Disintegration

Defined as the process of breaking up of rocks into small pieces by the mechanical agencies of physical agents.

Signup and view all the flashcards

Decomposition

Defined as the process of breaking up of mineral constituents to form new components by the chemical actions of physical agents.

Signup and view all the flashcards

Study Notes

  • Deals with soil and rock as supporting materials for structures: Geotechnical Engineering
  • Applies geologic fundamentals to engineering: Engineering Geology
  • Studies Earth's history, rocks, and changes: Geology
  • Soil forms from rock due to physical, chemical, and biological forces
  • Piping occurs when soil lifts due to excess water pressure
  • Mineral serves as parent material for natural soil formation
  • Magma is the molten solution for igneous rocks
  • Sedimentary rocks form when sediments undergo compaction and cementation
  • Shear strength provides resistance to sliding within a mass
  • Sediments form when rocks experience undergoing through weathering and erosion
  • Study of the Earth's physical properties like density and magnetism: Geophysics
  • Weathering is the wearing away of Earth's surface by chemical and mechanical actions
  • Application of geological knowledge in mining: Mining Geology
  • Study of rock and sediment arrangement and deformation: Geology
  • Deflation is removing particles by wind
  • A two-dimensional view of rock distribution: Map View
  • Study of rock response to disturbance: Rock Mechanics
  • A Geologic cross-section is a view of a vertical slice of the earth
  • Deals with element occurrence, distribution, and mobility in Earth's crust: Geochemistry
  • Wavy undulations in rocks from horizontal compression: Folds
  • Loess are fine dust particles carried by the wind over long distances
  • Fractures indicate breaks in rock mass continuity
  • Faults are fractures with shear displacement due to tectonic activity
  • Fault Plane is the fracture along which shear displacement occurs
  • Branch of mechanics studying soil properties and strength: Soil Mechanics
  • Karl Terzaghi is the Father of Modern Soil Mechanics
  • Cohesionless soils are highly permeable and compress quickly
  • Consolidation is gradual compression with water flow and pressure transfer
  • Magnitude is the ratio of an earthquake based on actual effects
  • Swelling is the process opposite to consolidation
  • Soil Exploration gets information of the subsoil
  • Natural Slopes exist and are formed by natural causes
  • The Anticenter point is diametrically opposite to the epicenter
  • True Dip is the steepest inclination of a plane to horizontal
  • Strike is the trace of a dipping plane with the horizontal reference plane (orientation of horizontal line)
  • Barchans are new moon shaped (in plan) and commonly occur
  • Interface between a superstructure and its supporting soil: Foundation
  • The Apparent Dip is the inclination of any arbitrary line on a plane to horizontal, always less than the true dip
  • Different types of foundation and their applications: Geotechnical engineering
  • Combined Footing comprises two footings connected by a beam
  • A long footing supporting multiple columns in one row: Combined Footing
  • A large footing supporting several columns in multiple rows: Mat Foundation
  • Disintegration involves breaking rocks into small pieces by mechanical agents
  • Engineering Geology is applied geology for safe and economical civil engineering design and construction
  • Physical Geology studies Earth's physical features and their development
  • Petrology is the study of rocks
  • Geohydrology covers groundwater occurrence, movement, and nature
  • Weathering involves decay, disintegration, and decomposition of rocks by physical and chemical agencies
  • Barchans are elongated ridges of sand parallel to wind direction
  • Breaking mineral constituents to form components by chemical actions: Decomposition
  • Chemical Weathering the reaction between gases and minerals
  • Biological Weathering the act of organisms breaking up rocks
  • Reaction of oxygen with rock chemicals: Oxidation
  • Hydrolysis is the rock absorbs water into its chemical structure
  • Combination giving a 3-D view of formations and contacts: Block Diagram
  • Carbonic acid in water reacting with and degrading rock causes Carbonation
  • A fracture where little or no movement has taken place is called a Joint
  • Acid Rain from air pollutants reacting with water
  • Huge heaps of windblown sand with recognizable shape are called Sand Dunes
  • Interaction between soils and percolating water called Consolidation
  • Rock Engineering applies engineering geology and rock mechanics economically
  • Transverse Dunes similar to barchans/curved transverse to wind
  • Earthquake Magnitude: the rating based on energy released from rocks rebounding
  • Tectonic Earthquakes originate from crystal block movement on faulting
  • Non-Tectonic Earthquakes arise from volcanic eruptions or landslides
  • An earthquake's origin spot beneath the surface: Focus
  • Point where earthquake first reaches the surface (above the focus): Epicenter
  • Climatic/geological changes known from investigations: Stratigraphy
  • Physical Weathering a breakdown of rock masses under atmospheric agents

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