Member $1665 / Non-Member $1945
M. Hesham El Naggar, Ph.D., P.Eng., M.CSCE, F.EIC, F.ASCE
Ayman Shama, Ph.D., P.E., LEED AP BD+C, F.ASCE
This seminar presents advanced concepts and applications with adequate theoretical background to ensure comprehension. The practical applications, examples, and description of software usage were most helpful. Richard Falkenrath, URS Corporation, St. Louis, MO
Purpose and Background
Soil dynamics is the branch of soil mechanics which deals with the behavior of soil and foundations under dynamic loads. Operation of rotary machines or hammers, and earthquake ground motions constitute a class of dynamic loads that usually challenge engineers in their design of different kinds of foundations. The main goal of this seminar is to provide a better understanding to practicing engineers and architects of the design and evaluation of foundations under this class of dynamic loads.
Topics to be discussed include:
- Basic Principles of Soil Dynamics: Fundamental distinctions between static and dynamic problems; basic notions of soil dynamics; the nature of different types of dynamic loads; the significance of soil-structure interaction; dynamic soil properties.
- Dynamic Properties of Shallow and Pile Foundations: Impedance functions of foundations and pile groups; definition of stiffness, and damping, for circular shallow foundations and piles; non-circular shallow foundations; mathematical models for pile analysis.
- Rotating Machine and Hammer Foundations: Harmonic excitations due to rotary machines; response of rigid foundations in 1DOF; evaluation of the effects of vibration; coupled response of rigid foundations in two degrees of freedom; types of hammers and hammer foundations; design criteria; mathematical models; impact forces and impact eccentricity.
- Vibration Damage and Remedial Measures for Machine Foundations: Damage and disturbance; problem assessment and evaluation; remedial principles; examples from different industries; sources of error.
- Geotechnical Earthquake Engineering Fundamentals: Sources of seismic hazard; introduction to seismic waves; ground motion characterization and response spectra; evaluation of soil dynamic properties; site response analysis.
- Design of Foundations for Seismic Loads: Dynamic bearing capacity of shallow foundations; dynamic response analysis of shallow foundations; conventional methods of analysis of piles under seismic loads; seismic analysis of deep caissons; seismic design of retaining walls; solved examples from industry.
- Computer applications using DYNA-5: Types of foundations; types of soil models; types of loads; types of analysis and output; practical applications using DYNA-5.
- Understand the behavior of soils under dynamic loading
- Learn about soil-structure interaction and methods of incorporating it in global models
- Learn procedures for equipment foundation design
- Gain insight into the response of centrifugal, reciprocating, and hammerfoundations
- Learn what are the basic dynamic soil properties and the required field tests for its evaluation
- Learn about basic Geotechnical earthquake engineering principles and its relation to global seismic analyses
- Find out latest procedures on modeling and design of different kinds of foundations for seismic loads
- Apply the knowledge of analysis and design procedure in hands-on exercises on computers in a workshop setting
Upon completion of the seminar, you will be able to:
- Comprehend the basics of soil dynamics as related to soil-structure interaction modeling
- Understand the major field tests that are used for evaluating the dynamic soil properties
- Design shallow and pile foundations for rotary machine and seismic loads
- Identify the major steps for determining the seismic stability of cantilever and gravity retaining walls
- Apply the capacity spectrum method for evaluating the seismic performance of large caissons
Achievement of the learning outcomes will be assessed through solved examples and problem-solving following each session.
Who Should Attend?
This seminar will be of interest to project managers, structural engineers, geotechnical engineers, and architects who wish to have a better understanding of the current state-of-the-art with respect to the analysis and design of flexible, rigid, and pile foundations subjected to all types of dynamic loads. All key concepts and terminology will be explained and emphasis will be placed on the practical application of the information provided.
Course OutlineTime: 8:30 a.m. - 5:30 p.m.
DAY 1
Basic Principles of Soil Dynamics
- Design objectives
- Design procedure
- Basic notions
- Mathematical models and degrees of freedom
- Types of dynamic loads
- Types of foundations
- Excitation forces of machines
- Dynamic soil properties
Dynamic Properties of Shallow and Pile Foundations Shallow Foundations
- Stiffness, damping and inertia
- Impedance functions of circular shallow foundation
- Impedance functions of noncircular shallow foundation
- Effect of embedment
- Nonlinearity and effect of inhomogeneity
- Impedance functions of a layer on half-space
Pile Foundation
- Examples of piles applications
- Mathematical models for pile analysis
- Stiffness and damping of single piles
- Pile groups and interaction factors
- Impedance functions of pile groups
DAY 2
Machine Foundations
- Response of rigid foundations in 1 DOF
- Effects of vibration
- Response of rigid foundations in 2 DOF and 6 DOF
- Response of structures on flexible foundations
Computer applications using DYNA-5
- Types of foundations
- Types of soil models
- Types of loads, analysis, and output
- Solved examples
Hammer Foundations
- Mathematical models
- Impact forces
- Response of one mass foundation
- Response of two masses foundation
- Impact eccentricity
Vibration Damage and Remedial Measures
- Damage and disturbance
- Problem assessment and evaluation
- Remedial principles
- Examples from different industries
- Sources of error
DAY 3
Geotechnical Earthquake Engineering Fundamentals
- Sources of seismic hazard
- Nature of seismic waves
- Damping mechanisms in soil
- Ground motion characterization
- Ground motion Response spectra
- Design response spectra
- Field tests for evaluation of soil dynamic properties
- Site response analysis
Design of Foundations for Seismic Loads
- Dynamic bearing capacity of shallow foundations
- Incorporation of foundations into global models
- Evaluation of spring constants
- Conventional methods of analysis of pile foundations under seismic loads
- Analysis of deep caissons
- Seismic design of retaining walls
- Solved examples from industry
Discounted hotel rooms are available on a first-come, first-served basis. See discount deadline and rates below.
Important Details About Your Seminar
Four Points By Sheraton San Francisco Bay Bridge
1603 Powell St
Emeryville, CA 94608-2436
(510)547-7888
ASCE Hotel Rate: $169 Single/Double