Swedish Geotechnical Institute, SGI
International Society for Soil Mechanics and Geotechnical Engineering, ISSMGE

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International Geotechnical Classification System - IGC


Search Classification Code(s) in the All Fields search entry.
Example: D06.cc. (cc = Classification Code)

Prinicpal Groups
A - General
B - Geological and environmental aspects
C - Site investigations
D - Soil properties: Laboratory and in-situ determinations
E - Analysis of soil engineering problem: Laboratory and in-situ determinations
F - Rock properties
G - Analysis of rock-engineering problems
H - Design, construction and behaviour of engineering works
K - Construction methods and equipment
M - Materials of construction
O - Environmental aspects
P - Energy aspects
S - Snow and ice mechanics and engineering
T - Related disiplines


A - General

A01 - Geotechnical engineering - scope
A02 - Historical aspects
A03 - Information sevices and literature classification
A04 - Textbooks, handbooks and periodicals
A05 - Terminology
A06 - Companies, institutes and laboratories
A07 - Societies, meetings and international cooperation
A08 - Professional ethics, legal requirements, code of practice and standardization
A09 - Education
A10 - Research activities

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B - Geological and environmental aspects

B00 - General

B01 - Formation of soils and rocks

B02 - Hydrogeological aspects

B03 - Mass movements and land subsidence

B04 - Seismic activity and crustal movements

B05 - Climatic conditions

B06 - Submarine geological aspects

B07 - Structural geology

B08 - Extraterrestrial soil and rock conditions

B09 - Geomorphological aspects and terrain classification
B10 - Mineralogical aspects
B11 - Description of regional soil and rock conditions
B12 - Other environmental aspects

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C - Site investigations

Equipment and techniques of exploration, prospection, sampling and field testing of soils and rocks.
Presentation of results.

C00 - General

C01 - Airphoto surveys and remote sensing

C02 - Geophysical surveys

C03 - Probings (Soundings)

C04 - Visual exploration techniques

C05 - Boring techniques and equipment

C06 - Sampling

C07 - Measurement of field conditions

C08 - Field testing

C09 - Presentation of results

C10 - Underwater site investigations

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D - Soil properties: Laboratory and in-situ determination

Concepts, theories, methods of determination, equipment and results.

D00 - General
D01 - Classification and description of soils
D02 - Physico-chemical properties
D03 - Composition, structure, density and water contents
D04 - Hydraulic properties
D05 - Compressibility and swelling
D06 - Shear-deformation and strength properties
D07 - Dynamic properties
D08 - Thermal properties
D09 - Compactibility
D10 - Properties of soil-additive mixtures

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E - Analysis of soil-engineering problems

Theoretical, empirical, and practical methods of analysis.

E00 - General
E01 - Stress analysis
E02 - Deformation and settlement problems
E03 - Bearing capacity of shallow foundations
E04 - Bearing capacity of piles and other deep foundations
E05 - Earth pressure problems
E06 - Stability of slopes and excavations
E07 - Seepage and other hydraulic problems
E08 - Dynamic problems
E09 - Frost action and heat transfer problems
E10 - Analysis of layered systems and pavements behaviour
E11 - Soil-vehicle and soil-tool interaction
E12 - Soil-structure interaction
E13 - Mathematicaö methods, computer analysis
E14 - Model test analysis

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F - Rock properties: Laboratory and in-situ determination

Concepts, theories, methods of determination, equipment and results.

F00 - General
F01 - Classification and description of rocks and rock masses
F02 - Physico-chemical properties
F03 - Composition, structure, density and structural features
F04 - Hydraulic properties
F05 - Compressibility and swelling
F06 - Shear-deformation and strength properties
F07 - Dynamic properties
F08 - Thermal properties

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G - Analysis of rock-engineering problems

Theoretical, empirical, and practical methods of analysis.

G00 - General
G01 - Stress analysis
G02 - Deformation and displacements problems
G03 - Bearing capacity of rock masses
G04
G05 - Rock pressure on tunnels and underground openings
G06 - Stability of rock slopes and open excavations
G07 - Seepage and other hydraulic problems
G08 - Dynamic problems
G09 - Frost action and heat transfer problems
G10
G11
G12 - Rock-structure interaction
G13 - Mathematical methods and computer analysis
G14 - Model test analysis

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H - Design, construction and behaviour of engineering works

Descriptions and case records of engineering works.

H00 - General
H01 - Foundations of structures
H02 - Retaining structures and cut-off walls
H03 - Offshore structures
H04 - Dams and reservoirs
H05 - Tunnels and underground openings
H06 - Roads, railroads and airfields
H07 - Harbours, canals and coastal engineering works
H08 - Conduits and culverts
H09 - Slopes and unsupported excavations
H10 - Land use
H11 - Waste disposal

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K - Construction methods and equipment

K00 - General
K01 - Drainage methods
K02 - Sealing and grouting processes
K03 - Preloading and soil replacement
K04 - Earthworks and rock excavation, processing and transportation
K05 - Compaction processes
K06 - Soil stabilization and erosion control
K07 - Piles and pile driving
K08 - Construction of caissons and deep piers
K09 - Construction methods for shallow foundations
K10 - Slurry-assisted construction of foundations and cut-off walls
K11 - Support of soil and rock
K12 - Offshore construction
K13 - Protection measures against frost
K14 - Measures for improving deformation and stability conditions.
         reconstruction of -  foundations

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M - Materials of construction

M00 - General
M01 - Steel
M02 - Wood
M03 - Bituminous materials
M04 - Plastics and similiar materials
M05 - Cement and chemicals
M06 - Concrete
M07 - Paints and coatings
M08 - Construction elements

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O - Environmental aspects

O - Characterisation
O - Leaching
O - Disposal
O - Utilization of waste products
O - Radon
O - Environmental impact

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P - Energy aspects

P - Thermal properties
P - Ground heat exchange
P - Ground store
P - Pit store
P - Aquifer store

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S - Snow and ice mechanics and engineering

S00 - General
S01 - Snow and ice cover
S02 - Properties of snow and ice
S03 - Snow and ice engineering

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T - Related disiplines

T00 - General
T01 - Pure sciences
T02 - Geosciences
T03 - Agriculture and pedology
T04 - Meterorology and climatology
T05 - Biosciences
T06 - Civil engineering
T07 - Mining engineering and ore prospecting
T08 - Mechanical engineering
T09 - Electrical engineering
T10 - Ocean engineering
T11 - Military and naval engineering
T12 - Instrumentation and measuring techniques
T13 - Library science
T14 - Environmental problems and nature conservation
T15 - Oil prospecting

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SGI Information Service
Swedish Geotechnical Institute, SGI, SE-581 93 Linköping, Sweden
E-mail: info@swedgeo.se Phone: +46 13 20 18 04 Fax: +46 13 20 19 09

Latest update 2007-01-31