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This course discusses bridge substructure systems, highlights the more technical aspects of bridge substructure design & rehabilitation. Focusing on components comprising & affecting bridge substructures, this course addresses the various types of each..

Course Outline
As our transportation infrastructure ages, there is an increasing need on the part of owners to demonstrate greater duty of care.  Bridges are the most important part of transportation infrastructure. The conception, development and worldwide construction of bridges represents the most interesting and important achievements in civil engineering. Their safe, efficient and economic operation requires that the bridges be designed and constructed so they can be operational with routine maintenance for an extended design life.
This course discusses bridge substructure systems, highlights the more technical aspects of bridge substructure design and rehabilitation.
Focusing on components comprising and affecting bridge substructures, this course addresses the various types of each component and discusses specific selection or design criteria, with emphasis on both traditional and innovative practical solutions in professional applications. Basic concepts and assumptions are described based on HBDC. Introduction to analysis and design of bridge foundations, piers, bridge abutment walls, and retaining walls based on Working Stress, Limit States based on OHBDC, Load Factor based on AASHTO are also covered. In this three day seminar, you will gain a strong working knowledge of the techniques that are applicable to the design of bridges substructures, including shallow and deep foundation, piers, abutment walls and retaining structures.   Objective To provide modern approaches to bridge substructures design, maintenance, strengthening and rehabilitation, so that inspection process, assessment, strengthening, rehabilitating / replacing them is accomplished effectively within budget limits.   To present practical and economical methods for evaluating, inspecting, strengthening and rehabilitating bridges.

Who Should Attend Engineers, technicians, technologists and managers with responsibility for bridge inspection, safety, design, rehabilitation or management; consultants in small and medium sized companies wishing to bid bridge jobs; engineers in those organizations owning bridges who need to know what design and rehabilitation strategies best apply.

Managers and engineers of national, provincial and local highway agencies, railway bridge engineers, consulting engineers, structural engineers, design engineers, superintendents and contractors who are interested in bridges, regulatory agency staff and others responsible for bridge rating, maintaining, upgrading and safeguarding existing bridges.

Bridge design engineers, planners, bridge contractors, bridge inspectors, supervisors, consulting engineers and contractors involved in design, evaluation, and restoration of highway bridges.

Special Features

You will receive free limited license of UniBear 1.2 for Windows, a program to analyze and design bridge piers, bridge abutment walls, and retaining walls. UniBear performs analysis based on Working Stress, Limit States based on OHBDC 1991, Load Factor based on AASHTO 1992, and Partial Factor based on European codes.

Materials Required Standard engineering calculator and a laptop for software demo.   Program Outline (1.8 CEUs / 18 PDHs)

Bridge Engineering and Aesthetics

  • Bearings
  • Pier Types
  • Abutment Types
  • Abutment Walls
  • Foundation Types
  • Subsurface Exploration and Foundation Investigations

Comparison of ASD, LFD, and LRFD

  • Substructure geotechnical design
  • Sources of uncertainty
  • Reliability of material property measurements
  • Material properties relative to location, direction, and time
  • Material resistance
  • Sufficiency and applicability of sampling and testing methods
  • Accuracy of prediction models used
  • Load prediction estimates
  • Advantages and Limitations of ASD, LFD, and LRFD
  • Fundamentals of LRFD
  • Loads and Load Combinations
  • Permanent Loads
  • Dead Load of Structural
  • Components and Non-structural Attachments
  • Dead Load of Wearing Surfaces and Utilities
  • Horizontal Earth Pressure
  • Active and Passive Earth Pressure
  • Lateral Earth Pressures for Non-gravity Cantilevered Walls
  • Down Drag load
  • Transient Loads
  • Foundation Design Loads Factors

Serviceability Performance Limits

  • Bridge Foundations and Displacements
  • Vertical Displacement (Settlement)
  • Differential Settlement
  • Total Settlement
  • Vertical Displacement Performance Limits
  • Horizontal Displacement
  • Overall Stability

LRFD Theory for Geotechnical Design

  • Soil and Rock Materials
  • Soil Identification and Classification Systems
  • Grain Size Distribution
  • Soil Plasticity
  • Rock
  • Rock Mass Classification Systems
  • Recovery and RQD
  • Rock Mass Rating
  • Effective Stress Profile
  • Drained vs. Undrained properties
  • Index Properties
  • Soil Atterberg Limits
  • Engineering Properties
  • Soil Strength
  • Undrained Strength of Cohesive Soils
  • Drained Strength of Cohesive Soils
  • Drained Strength of Cohesionless Soils
  • Soil Deformation
  • Consolidation Properties
  • Elastic Properties
  • Swell Potential
  • Rock Strength
  • Intact Rock Strength
  • Rock Mass Strength
  • Hoek-Brown Strength Criteria for Fractured Rock Masses
  • Rock Deformation
  • Elastic Properties
  • Rock Mass Deformation
  • RQD

Shallow Foundations

  • Shallow Foundation Design Considerations
  • Allowable Stress Design Process
  • Load and Resistance Factor Design Process
  • Shallow Foundation Design Procedures
  • Minimum Footing Depth Considerations
  • Scour Vulnerability
  • Frost Protection
  • Service Limit State Design
  • Overall Stability
  • Nominal Bearing Resistance
  • Loads for Consideration
  • Sequence of Construction
  • Stress Distribution Beneath Footings
  • Settlement Computation
  • Footings on Cohesive Soils
  • Footings on Cohesionless Soils
  • Strength Limit State Design
  • Effective Footing Dimensions and Eccentric Load Limitations
  • Bearing Resistance of Soil
  • Location of the Ground Water Table
  • Embedment Depth
  • Bearing Resistance on Rock
  • Resistance factors for evaluation of the strength limit state performance
  • Extreme Limit State Design
  • Geotechnical Design Recommendations

Deep Foundations

  • Deep Foundation Types
  • Driven Piles
  • Bored/Excavated Piles and Shafts
  • Deep Foundation Design Procedures
  • Deep Foundation Selection Considerations
  • Load Magnitude, Direction and Type
  • Constructability
  • Deep Foundation Design Considerations
  • Pile Group Configuration
  • Soil Structure Interaction
  • Pile Head Fixity
  • Downdrag
  • Time-dependent Effects (Relaxation and Setup)
  • Driven Pile Design
  • Strength Limit State Design
  • Geotechnical resistance
  • Structural resistance
  • Drivability (structural resistance during driving)
  • Geotechnical Resistance
  • Methods for Determining Ultimate Geotechnical Resistance of Piles
  • Pile Group Resistance
  • Uplift
  • Driven Resistance
  • Examples
  • Analysis of Deep Foundation Groups
  • Axial Loads
  • Lateral loads
  • Battered Piles
  • Service Limit State Design
  • Lateral Response
  • Group Response
  • Axial Group Response
  • Lateral Group Response
  • Design Examples

Abutment Design

  • Abutment Design Procedures
  • Abutment Type Selection
  • Cantilever
  • Gravity
  • Counterfort
  • Mechanically-stabilized earth (MSE)
  • Stub, semi-stub, or shelf
  • Open or spill-through
  • Integral or semi-integral
  • Reinforced Concrete Cantilever Abutment Design
  • Abutment Foundation
  • Design Example -Sizing a Footing for the Service Limit State
  • Geotechnical Design at the Strength Limit State
  • Design Example

Limit State Design of Shallow Foundations on Rock

  • Application of LRFD
  • Design Example

Pier Type Selection

  • Hammerhead
  • Multi-column bent
  • Wall type
  • Pile bent
  • Single column
  • Pier Foundation Types

Cast-in-place Gravity and Semi-Gravity Walls

  • Earth and Water Pressures
  • Surcharge Loads
  • Earth Pressures due to Compaction
  • Water Pressures
  • Strength Limit States for Design
  • Failure mechanisms for rigid gravity and semi-gravity walls
  • Step by Step Design of CIP Gravity and Semi-Gravity Walls
  • Evaluate Bearing Resistance
  • Evaluate Overturning
  • Evaluate Sliding
  • Check Overall Stability
  • Evaluate Lateral and Vertical Displacements at the Service Limit State

MSE Walls

  • Basic Components and Design Principles for MSE Walls
  • Strength Limit States for MSE Walls
  • External Stability
  • Sliding
  • Limiting Eccentricity
  • Bearing Resistance
  • Internal Stability
  • Tensile Resistance of Reinforcement
  • Pullout Resistance of Reinforcement
  • Structural Resistance of Face Elements
  • Structural Resistance of Face Element Connections
  • Service Limit States for MSE Walls
  • Wall Settlement
  • Lateral Displacement
  • Overall Stability
  • External Failure Mechanisms
  • Design of MSE
  • Design Example

Bridge Substructure Rehabilitation

  • Rehabilitation strategies - techniques to strengthen the bridge substructure without replacing it   
  • Bridge substructure assessment
  • Material deterioration: concrete, steel, timber, fatigue assessment and seismic retrofit 
  • Foundation rehabilitation
  • Substructure
  • Rehabilitation/strengthening versus replacement cost

After participating in this course, you will be able to:

  • Solve some of the common bridge substructure design and construction problems
  • Evaluate existing bridge substructure and plan their rehabilitation and strengthening program
  • Design new bridges substructures and foundation
  • Carry out with confidence substructure rehabilitation
  • Add to useful life of your bridges with the methods you learn for substructure rehabilitation
  • Develop a better understanding of the application of the Canadian Highway Bridge Design Code in conducting step-by-step manual calculations for the bridge substructure
  • Rehabilitate effectively your bridge substructure with the additional insight gained from this course
  • Choose from top methods used for substructure rehabilitation
Instructor Dr. Gamal Abdelaziz, P.Eng, MSc. has a Ph.D. in Geotechnical Engineering from Concordia University, Montreal, Canada. Currently he is a senior geotechnical engineer with SAGA Engineering, Edmonton, Alberta, Canada. He has over 25 years of experience in geotechnical and structural engineering, foundation design, teaching, research and consulting in Canada and overseas.
Dr. Abdelaziz is a former adjunct professor at University of Western Ontario, London, Ontario, Canada, and visiting professor at Ryerson University, Toronto, Canada and part time professor at Seneca College, Toronto, Canada. He is specialized in numerical modeling for solving sophisticated geotechnical engineering problems with respect to pile foundation and the linear and nonlinear analysis of soil-structure interaction. He designed charts to predict pressures acting on tunnels, and developed analytical model for pile bearing capacity prediction.

Dr. Abdelaziz authored a number of technical papers and delivered numerous internal and external workshops on various geotechnical, structural and Municipal engineering topics. Dr. Abdelaziz has been involved in a number of projects in Canada and overseas, such as tunnelling, silos, buildings, retaining structures, siphons, irrigation networks and many other civil engineering projects in terms of design and construction. He is a member in different professional societies such as APEGGA, PEO, CGS, CDA, TAC and ABPA. He is also a reviewer for the Canadian Geotechnical Journal.
Prerequisites & Certificates

Certificates offered

A certificate of completed Continuing Education Units (CEUs) will be granted at the end of this course. Each participant will receive a complete set of course notes and handouts that will serve as informative references.

Cancellation Policy
If you wish to withdraw from a course, you must advise us, in writing, including the official receipt. Our policies regarding refund are:

More than fifteen business days in advance: a full refund minus $50.00 administration charge.

Fifteen or less business days in advance: a transfer to another course or a credit, valid for one year, to another GIC course can be considered. Credits are transferable within your organization.

If the course has been running for more than 2 weeks, or after the course has started, an 80% credit towards another GIC course may be considered, if notice is received before the start date of the second session. After this time, no refunds or credits will be issued. If a speaker is not available due to unforeseen circumstances, another speaker of equal ability will be substituted.

GIC reserves the right to cancel or change the date or location of its events. GIC's responsibility will, under no circumstances, exceed the amount of the fee collected. GIC is not responsible for the purchase of non-refundable travel arrangements or accommodations or the cancellation/change fees associated with cancelling them. Please call to confirm that the course is running before confirming travel arrangements and accommodations.

Refund Policy: Allow up to 30 days for refunds to be processed.

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