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INSTRUCTOR:  Alexander Newman, P.E., F.ASCE

Purpose and Background

Most civil and structural engineers are well familiar with foundation design for downward loading. But what if there is a net uplift force on the foundation? What if there are horizontal column reactions? Both uplift and horizontal reactions might be caused by wind and seismic loading. Also, a combination of uplift and lateral reactions is commonly considered in the design of the foundations for many types of lightweight structures, such as metal building systems, wood-truss buildings, and many others.

The procedures for the design of foundations to resist uplift and horizontal forces are different from the familiar design for downward loading – and rarely found in the engineering textbooks and publications. This seminar fills the knowledge void. The discussion explores the most common design solutions for such foundations. Using a combination of long-hand calculations and publicly available spreadsheets, the instructor covers most practical solutions for resisting uplift and horizontal forces on both building and nonbuilding structure foundations. The final topic covers strengthening existing foundations to resist these types of forces.

The audience is encouraged to ask questions throughout the presentation, and the seminar concludes with the final Questions and Answers opportunity.

Benefits and Learning Outcomes

Upon completion of this course, you will be able to:

• Design various types of foundations to resist horizontal and uplift column reactions
• Examine the design methodology for various types of foundations subjected to horizontal column reactions
• Explain the effects of column base fixity on foundation design.

Assessment of Learning Outcomes

Students achievement of the learning outcomes will be assessed through a series of problem-solving design examples, class discussion during the presentation of each major topic, and case studies.

Who Should Attend?

Structural and civil engineers seeking to broaden their knowledge of designing the building and nonbuilding foundations to resist horizontal and uplift forces. Despite the technical topic, the instruction is kept enjoyable and easy to follow.

Outline

DAY 1

• Introduction: Structures that impose horizontal and uplift forces on supports
• Challenges of designing foundations for metal building systems and similar lightweight structures
• Shallow foundations for building structures resisting horizontal and uplift forces
• Isolated column footings under uplift conditions
• Tie rods
• Moment-resisting foundations
• Hairpins
• Mats
• Slabs with haunch

DAY 2

• Shallow foundations for building structures, cont’d
• Trench footings
• Design of deep foundations to resist horizontal and uplift forces
• Some specifics of foundation design for nonbuilding structures
• Strengthening existing foundations to resist horizontal and uplift forces
• Conclusion, final Q&A.

How to Earn your CEUs/PDHs and Receive Your Certificate of Completion

This course is worth .8 CEUs/8 PDHs. To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 30 days of the course.