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Earthquake
Geotechnical Engineering Department
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Theoretical Soil Mechanics and Foundation Engineering Department
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Engineering Geology Department
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Experimental Soil Mechanics and Physical Modelling Department
Earthquake Geotechnical Engineering Department
Porpose
The Geotechnical Earthquake
Engineering Group has been organized with the aim of studying site effects on
strong ground motion, liquefaction and soil-structure interaction during dynamic
loadings.
Plan
The plan of the
Geotechnical Earthquake Engineering has been based on the following items:
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Site effects evaluation
by considering geological, topographical and other effective conditions;
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Theoretical and
experimental studies of liquefaction as a geotechnical instability resulting
from earthquakes;
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Development of
numerical methods in soil-structure interaction for important and specific
structures.
Projects
The following projects have
been studied or are being studied:
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Site Effect
Microzonation of South-East of Tehran;
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Site Effect
Microzonation of South-West of Tehran;
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Complementary studies
of site effect microzonation of South of Tehran (National Research Project);
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Site Effect
Microzonation of North of Tehran (National Research Project);
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Liquefaction studies in
Astaneh-Ashrafiyeh;
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Liquefaction studies in
South-East of Tehran (Scale 1:10,000);
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Liquefaction zonation
of IRAN;
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Liquefaction
microzonation of South-East of Tehran (National Research Plan).
Theoretical Soil Mechanics and Foundation Engineering Department
Purpose
Development and innovation
of analysis and design procedures in soil mechanics and foundation engineering
problems needs to be qualified in fundamental aspects.
Theoretical Soil Mechanics Group has been established for development of design
and analytical procedures in soil mechanics with an emphasis on soil modeling,
mechanics of porous medias and soil - structure interaction in seismic
conditions.
Plan
The plan of the Theoretical
Soil Mechanics Group consists of:
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Theoretical & analytical
studies of dynamic behavior of embankment and earth dams;
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Development and
modification of numerical methods in various fields of geotechnical earthquake
engineering;
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Preparing of design
earthquake instructions in geotechnical problems.
Projects
Some of the main research
projects in this group are:
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Random reaction of pile
foundations subjected to earthquake waves;
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Dynamic behavior of
embankment dams;
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Seismic design of
geotechnical structures.
Engineering Geology Department
Purpose
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Investigation and study of
engineering geological phenomena related to earthquakes;
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Applied fundamental studies
of seismic behavior of rock and soil masses;
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Analyzing of engineering
geological data and preparing projects' related maps.
Plan
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Study of the
relationship between earthquake parameters and engineering geological
hazards;
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Investigations on
dynamic behaviors of weak rocks and jointed rock masses;
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Landslide hazard study
of Iran in the form of case studies or province and mega cities hazard
zonation;
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Data providing and
presenting the engineering geological models needed for different projects.
Projects
Up to now, the following
projects have been done or are in process:
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The relationship
between strong ground motion and landslide;
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Deep foundation
behavior and design;
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The study of land
subsidence due to subsurface cavities with special view on seismic
wave-cavities interaction;
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The study of dynamic
behavior of rock models to cyclic loads with special view on the joint
surface conditions;
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Landslide hazard
zonation of Assaluyeh;
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Landslide hazard
zonation of 1990-Manjil earthquake prone area of Gillan and Zanjan provinces
(scale: 1:50,000)
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Landslide hazard
zonation of the South of Central Alborz;
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Stabilization studies
of a landslide in Vali-e-Asr area in Tabriz;
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Landslide hazard
zonation of the area North of Tehran;
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Fuzzy sets application
in geotechnical hazards zonation;
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Landslides caused by
earthquakes in Iran (phase I: Alborz);
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Considering deformation
characteristics in determination of seismic coefficient for slope stability
analysis;
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Assessment of
underground opening stability during earthquakes;
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Geotechnical hazard
zonation of Lorestan province.
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Large – Scale
Geotechnical hazard zonation of Assaluyeh region (South of Iran).
Experimental Soil Mechanics and Engineering Physical Modelling Department
Purpose
Application of theoretical
problem needs data, obtained from appropriate tests. The Experimental Soil
Mechanics and Engineering Geophysics Group has been established for research in
different experimental fields of geotechnical engineering using various tests.
Design and manufacturing of required equipment and instruments are other tasks
of this group.
Plan
The basic plans of
Experimental Soil Mechanics and Geophysics Engineering Group are as follows:
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Experimental studies of
static and dynamic soil behavior;
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In situ investigations
through engineering geophysics (geoseismic and geoelectric) for different
projects of IIEES;
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Modeling of soil structures
behavior;
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Design and manufacturing of
required instruments & equipment for IIEES geotechnical laboratory.
Projects
The performed and/or
performing projects are as follows:
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Geophysical & geotechnical
tests for national research project of Tehran site effects;
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Experimental studies of
south of Tehran liquefaction;
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Experimental study of
static and dynamic behavior of composite clays with sand and gravel;
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Dynamic tests on core
materials of Masjedsoleiman, Karkheh, Ahar and other embankment dams;
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Static tests on core
materials of Karkheh, Ahar, Aydoghmoosh, Gharanghoo and other embankment dams;
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Geophysical investigation
of different dam sites such as Yamchi, Gharanghoo, Germichai;
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Geotechnical studies of
different projects such as Vali-Asr and Afsaran complex of Tabriz, Hamedan silo
and others.
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