September 2016

Modeling of Bridges for Linear and Nonlinear Seismic Analyses

Status: Advanced registration is now closed. A limited number of registrants will be accepted on site. Please email [email protected] to check for space availability. Thank you.
Date: Tuesday, September 27, 2016 - Wednesday, September 28, 2016
Time: 8:00 AM - 8:30 AM: Registration - Day 1
8:30 AM - 4:30 PM: Day 1 & Day 2
Location: Vancouver, BC
Presenter: Dr. Mohammed Naimi, ing., M.Sc.
Transport, Infrastructure and Buildings, SNC-Lavalin
Credit: 14 Formal Professional Development Hours (PDH)
Cost: Early Bird Price APEGBC Member: $858.00 + GST = $900.90 until Sept 13, 2016

APEGBC Member and EIT/GIT Regular Price: $938.00 + GST = $984.90

Non-Member Price: $938.00 + GST = $984.90

APEGBC Student Member Price: $469.00 + GST = $492.45
Please Note: *A minimum number of registrations are needed by September 13, 2016 to proceed with this seminar. Please register early to avoid cancellation.
**All prices are subject to applicable taxes.
Contact: Jennifer Chan | Professional Development Coordinator
Direct: 604.412.4861
Toll Free: 1.888.430.8035 ext.4861
Fax: 604.639.8180
Email: [email protected]
The main purpose of seismic analysis is to give engineers the necessary tools to estimate forces that can be applied to bridges and to understand how they respond to earthquake ground motion. This course provides the concepts of modelling of bridges for linear and non linear seismic analyses and emphasizes on the important factors that control their seismic response such as effective weight, stiffness, damping etc... The application of modelling for seismic analysis of bridge structures is illustrated through practical examples of bridges with different geometry and configuration.

Course Outline

  • Brief introduction to seismology
  • Introduction to structural dynamics and earthquake engineering:
    • Response of Single-Degree-of-Freedom Systems and Multi-Degree-of-Freedom Systems
    • Concept of response spectrum
    • Concept of ductility
  • Introduction to time history analysis (linear and nonlinear)
  • Introduction to Code provisions
  • Brief introduction to seismic soil-structure interaction:
    • Soil parameters
    • Issues of soil liquefaction
    • Site effects

Course Objectives

  • Master the basic concepts for modelling bridges for seismic analysis. Use of different models for seismic response analysis
  • Identify how inertia seismic forces are transmitted to foundations
  • Identify the main factors that affect the dynamic response of bridge structures
  • Define regular and irregular bridge structures according to code provisions
  • Understand the impact of soil parameters on the response of bridges

Course Content

Day One

Introduction to Seismology
  • Types of seismic waves, faults and fault rupture mechanisms
  • Seismic records and seismic hazard
Introduction to Structural Dynamics and Earthquake Engineering
  • Definitions: mass, weight, stiffness, damping, resisting system, inertia force, seismic acceleration
  • Introduction to single degree of freedom systems:
    • Application to bridge structures
    • Mathematical model
    • Differential equation of motion
    • Simplified models and simplified expressions for estimating the fundamental period
  • Input ground motions for analysis and acceleration time histories
Concepts of Modeling of Short and Medium Span Bridges for Seismic Analysis
  • Methods of obtaining the response of bridges modeled as one-degree-of-freedom systems and multi-degree-of-freedom systems: mode superposition, response spectrum, linear and non linear time history analysis (step by step integration algorithms)
  • Introduction to simplified models (2D and 3D)
  • Modelling of bridge structures using finite elements
  • Modelling of bridges for non linear time history analyses
  • Introduction to code

Day Two

  • Numerical examples: Examples for modeling bridge structures with different geometry and configurations
  • Examples of Bridge Structures Damaged by Earthquake
    • Examples from bibliography
  • Introduction to Seismic Soil-Structure Interaction
  • Brief introduction to seismic soil-structure interaction:
    • Soil parameters that influence the seismic behaviour
    • Issues of soil liquefaction on bridge foundations:
    • Effects of soil liquefaction
    • Effects of lateral spreading
    • Example of deep bridge foundation
  • Site effects:
    • Example of site effects
    • Phenomenon of seismic amplification

Target Audience

Civil, structural and earthquake engineers, geotechnical engineers, professionals involved in design of structures, and researchers. All participants need to have basic knowledge in structural analysis, mathematics for engineers and fundamental physics.


Dr. Mohammed Naimi, ing., M.Sc.
Transport, Infrastructure and Buildings, SNC-Lavalin

Dr. Mohammed Naimi is a senior professional engineer with over 33 years of experience in research, design and construction of bridges, tunnels and buildings. He is an expert in structural analysis, structural dynamics, and earthquake engineering including seismic soil-structure interaction. He has been involved in major design projects such as tunnels, pre-stressed concrete and structural steel bridges in Canada and abroad. Dr. Naimi has been responsible for a large number of projects, including bridges in Quebec, Ontario, New Brunswick and Algeria. He has also been involved in teaching many courses related to earthquake engineering and structural dynamics to professionals engineers and to the academic levels. Dr. Naimi’s research interests are in earthquake engineering, finite element modelling and seismic soil-structure interaction. He has published many scientific papers in journals and conference proceedings.

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