Distance - Helical (Screw) Piles Foundation System Design Workshop (1.2 CEUs)


  • Looking for professional development but do not have the time to take off from work?

  • Looking for refresher course on specific engineering topics and cannot find an intensive course to serve your needs?

  • This may be your ideal Professional Development course!

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This course is approximately 3 weeks in duration.

Learning Method:

  • The PDDP program is more of a self-guided learning style.

  • You are required to read the notes and materials given, complete the follow-up assignments on your own, send in your questions prior to your 1 hour webinar meeting (if required) and be involved in live discussion via the internet.

  • Once you have completed the course, you will receive a certificate of completion

Helical foundation systems offer a versatile replacement of conventional deep foundations solutions. The most important differences between the helical foundations and the conventional foundation types are mainly in method of construction. Helical piles need much less construction time and could be used or loaded immediately. Helical piles could be used where conventional deep foundation cannot. Underpinning is the best example of these unique differences. This course will focus on the design, construction and field acceptance criteria’s for the helical (screw piles). The course notes, lectures and hands on design examples will compose a comprehensive reference for the state of knowledge and guidance for future use.
The fundamental mechanisms by which helical piles develop resistance to load are described in a manner consistent with basic principles of soil mechanics. Along with the thorough description of installation methods and equipment that is provided, the concepts used for design and quality control/quality assurance follow logically. The section on corrosion and life expectancy is particularly important now as applications of helical piles expand into greater use with permanent structures with longer intended service periods. Applications for helical piles are described which may prove novel to many engineers and open opportunities for innovation and development of more cost-effective solutions.
After Attending this course you will be able to:
  • Determine screw pile carrying capacity
  • Select best screw pile type for your projects
  • Evaluate the helical pile acceptance criteria
  • Design helical foundation system with more confidence
Target Audience
This workshop will be suitable for Structural engineers, geotechnical engineers, technicians, and technologists. Civil engineers, public works and construction department employees of federal, provincial and municipal governments and engineers responsible for large industrial, commercial or institutional facilities who must deal with different types of foundations.
The course will be of interest to a wide range of practising civil engineers at different stages in their careers. Some familiarization with soil mechanics is desirable but the knowledge is not required at a specialist level.
Special Features
The two-day course will consist of a series of lectures and workshops. Worked examples with numerical reference will reinforce the lectures. Case studies which illustrate the full range of problems are a feature of the course. There will be workshops on helical pile design under different types of loads; a display of DYNA 6 modelling of pump station on screw piles will be displayed.
The main objective of this workshop is to enable participants to select the best helical foundation solution for different types of civil engineering problems. After completing the course participants should be able to design helical foundations and supervise their construction. Understand the acceptance criteria, and related equivalent torque design. The course philosophy is to provide the participants with the information they need to design foundations at the state of the art. The information is supplied in a simple and systematic way, discussing topics where current knowledge is lacking and more understanding is needed.

The PDDP Distance Education program works as follows:

  • Once you register for this course, you will be sent a login username and password for our online distance website.

  • You will receive the course notes in hard copy through the online website, you will receive a set of notes each week covering the course material.

  • A one hour video-conference session will be conducted by your instructor each week (if required). The objective of this session is to assist in solving the assignments, as well as answer student questions that should be sent to instructor early enough prior to the meeting time. In addition with being able to communicate with the instructor, you will also be able to communicate with other students in the same class and watch their questions being answered as well. (A high speed internet connection is strongly recommended for this feature).

  • Each set of exercises can be completed and submitted by the indicated date and your completed exercise will be marked online and and returned by your instructor.

  • To gain the most from your course, it is highly recommended that you participate fully in all discussions and exercises. Please remember that each course has a form of quiz or exercise at the end to test your understanding of the material. You will be informed of these dates when you receive the course schedule.

*Course commencement date is subject to instructor availability.

Dr. Gamal Abdel Aziz

Dr. Gamal Abdelaziz, P.Eng, MSc. has a Ph.D. in Geotechnical Engineering from Concordia University, Montreal, Canada.

Dr. Abdelaziz has served as a senior geotechnical engineer at DST Consulting engineers, Sarafinchin Consulting engineers, Trow Consulting and EBA engineering. Currently he is the managing director of SAGA Engineering, Edmonton, AB, Canada. 

Dr. Abdelaziz has over 32 years of experience in geotechnical and structural engineering, foundation design, teaching, research and consulting in Canada and overseas.

Dr. Gamal has designed and delivered over one hundred geotechnical engineering workshops which are very well received by practitioners engineers in Canada and globally.

Currently he is a senior geotechnical engineer with SAGA Engineering, Edmonton, Alberta. His duties include revision of geotechnical design, including slope stability, foundation and machine foundation design, soil investigation, design of cuts and earthfills, evaluation of stability of existing slopes, slope reinforcement using geotextiles, geogrids, soil nails, base reinforcement to support earthfills on soft subgrade soils, Erosion protection using geocells matting, rip rap, stabilization of unstable slopes, evaluation of soil bearing capacity to support footing foundations, Settlement studies, deep foundations including driven piles, auger injected (CFA) piles, additional support to existing foundations by underpinning utilizing concrete panels, grouting, micropiles, evaluation of earth pressures on retaining walls, security of excavation base, tieback support, etc.

Dr. Abdelaziz is a former adjunct professor at University of Western Ontario, London, Ontario, Canada, visiting professor at Ryerson University, Toronto, Canada and part time professor at Seneca College, Toronto, Canada.

Dr. Abdelaziz 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 an 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 and Municipal engineering topics. Dr. Abdelaziz has been involved in a number of projects in Canada and overseas, such as tunneling, silos, buildings, retaining structures, siphons, irrigation networks and many other civil engineering projects in terms of design and construction.

  • Helical Screw Foundation Definition
  • Development history
  • Essential Elements
  • Bearing plate
  • A central shaft
  • A termination
  • Round Rod Anchors
  • Square Shaft Anchors
  • High-Strength Anchors
  • Power Installed Foundation Anchors
  • Pad-Pod Foundation Anchors
  • Street Light Foundation Anchors
  • Tension/Compression Foundation Anchors
  • HELICAL PIER Foundation Systems
  • HELICAL PULLDOWN™ Micropiles
  • Applied Research and Development
  • Soil Classification Chart by Chance
  • Soil Classification Data
  • Torque-to-Capacity Relationships
  • Soil mechanics principles
  • Available design software
  • Inter-helix spacing
  • Industry Standard: Helical screw foundation form fits function
  • Deep foundation replacement
  • Helical screw foundations for residential and light commercial construction, Machinery/equipment foundations,
  • Telecommunication and transmission towers,
  • Tiedowns for wind and/or seismic forces,
  • Expansive soil areas,
  • Machinery/equipment foundations
  • Wind and seismic loading
  • Limited access sites
  • Replacement for drilled/driven piles
  • Foundation underpinning
Advantages of Helical Screw Foundations
  • Projects requiring deep foundations due to weak surface soil
  • Flooded and/or poor surface conditions
  • Limited access
  • Expansive soils
  • Bad weather installation
  • Contaminated soils
  • Temporary structures
  • Remedial applications
Related Soil Mechanics
  • Site Suitability
  • Soil Volume & Density Relationships
  • Basic Soil Types
  • Soil Limit States & Index Properties
  • Empirical torque multiplier for helical screw foundations
  • Sensitivity of Clays
  • Engineering Soil Classification
  • Soil Characteristics
  • ASTM (Unified) Soil Classification System
  • Effective Stress and Pore Water Pressure
  • Soil Strength
  • Angle of Internal Friction
  • Cohesion
  • Coulomb Equation for Shear Strength
  • Determination of Soil Parameters
  • Drilling and sampling
  • Insitu soil strength measurement
  • Consistency of Saturated Cohesive Soils
  • Geotechnical report interpretation
  • Types of loads
  • Design or Working Load
  • Ultimate load
  • Factor of Safety
  • Reversing Loads
  • Dynamic loads and dynamic analysis
  • Codes and standards
  • LRFD for helical pile design
  • DYNA 6 modelling of pump station on screw piles demo
Bearing Capacity
  • Calculating Helical Screw Foundation Capacity
  • Non-Cohesive Soil
  • Cohesive Soil
  • Mixed cohesive- non cohesive Soil
Lateral Capacity
  • Lateral Resistance – Methods Used
  • Shaft resistance
  • Battered Piles
  • Passive Earth Pressure Resistance
  • Lateral Analysis by Finite Differences
  • p-y concept
  • Group Effects
  • Computer programs,
  • Lateral Analysis by Brom’s Method
  • Lateral Capacity by Battered Helical Screw Foundations and Anchors
  • Lateral Capacity by Passive Earth Pressure
  • Design Example
Design of helical pier foundations in frozen ground
Buckling/Slenderness Considerations
  • Buckling Analysis by Davisson Method
  • Design Example
  • Determining Critical Buckling Load, Pcr, by Davisson Method
  • Buckling Analysis by Finite Differences
  • Design Example: Determining Critical Buckling Load by Finite Difference
  • Buckling Analysis by Finite Elements
  • Design Example: Determining Critical Buckling Load by Finite Elements
Helical Piles Corrosion
  • Corrosion Theory
  • Corrosion Types
  • Electrical Factors
  • Metallic Path
  • Aeration
  • Soil Environments
  • Soil Type
  • Ground Water
  • Soil pH
  • Soil Resistivity
  • Soil Resistivity/Corrosion Rate Potential
  • Prediction of Corrosion Loss Rates
  • Electromechanical Properties of Mildly Corrosive Soils
  • Corrosion of Zinc in Various Waters
  • Corrosion in Undisturbed Soil
  • Corrosion in disturbed Soil
  • Corrosion of Helical Screw Foundation at the Waterline
  • Corrosion of Helical Screw Foundation with a Concrete Cap
  • Corrosion Control
  • Passive Protection
  • Allowable metal loss rate
  • Galvanization
  • Bituminous and Other Coatings
  • Design Examples
  • Active Protection
Helical Piles selection:
  • Available market brand names
Field Production Control
  • Helical Screw Foundations - How They Work
  • Installation Torque/Load Capacity Relationship
  • Torque Factors
  • Energy Relationships
  • Reliability of Torque/Capacity Model
  • Measuring Installation Torque
  • Shaft Twist
  • Shear Pin Torque Limiter
  • Mechanical Dial Torque Indicator
  • Differential Pressure Torque Indicator
  • In-Line Hydraulic Pressure Gauge
  • Installation Termination Criteria
  • Tolerances
  • Torque Strength Rating
Static Load Testing
  • Load Testing during Design
  • Slow-Testing Methods ASTM D1143 Standard
  • Quick Load Test Method for Individual Piles ASTM D1143 – 81
  • Loading Apparatus for Applying Compressive Load
  • Reaction anchors
  • Measuring Deflection
  • Acceptance Criteria
Helical piles in Building Codes
  • IBC 2006
  • IBC 2009
  • Product Evaluation Reports
  • AC358 Acceptance Criteria Development
  • Evaluation Criteria

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This is a Professional Development Distance Program course. These are open to a start date after you register, not scheduled for a specific date.

We could offer any of our courses at a location of your choice and customized contents according to your needs, please contact us at : inhouse@tlnt-training.com or click here  to submit an online request.

Course Materials

Each participant will receive a complete set of course notes and handouts that will serve as informative references.


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