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Design and Strengthening of Shallow Foundations for Conventional and Pre-Engineered Buildings

Design and Strengthening of Shallow Foundations for Conventional and Pre-Engineered Buildings

Instructors


Alexander Newman, P.E., F.ASCE,
Mr.
Newman is a managing engineer in Natick, Massachusetts, office of Exponent Failure Analysis Associates, where he is responsible for building collapse and failure investigations. During more than 25 years of professional practice, Mr. Newman has designed numerous projects around the country utilizing a variety of foundation systems. His diverse engineering and managerial experience includes 17 years in a senior position with a large A/E firm, as well as being project engineer with a consulting engineering firm, design engineer with a light-gage and precast concrete panel manufacturers, and manager of fabrication division and steel fabricator.

Mr. Newman has authored many publications that appeared in leading engineering magazines, including a number of award-winning articles. His popular reference book Structural Renovation of Buildings: Methods, Details, and Design Examples, was published by McGraw-Hill Book Company in 2001. He is the author of another definitive book from McGraw-Hill, Metal Building Systems: Design and Specifications, now in its 2nd edition.

Mr. Newman has conducted many educational seminars around the country for design professionals, building officials, owners and contractors. He has provided training for various organizations, professional groups, and state building officials, owners and contractors. he has provided training for various organizations, professional groups, and state building officials, including the U.S. State Department, U.S. Air Force, NASA, and local chapters of the Construction Specification Institute, American Society of Civil Engineers, and the Society of American Military Engineers. Mr. Newman also teaches Professional Engineering Review courses at Northeastern University.

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Course Description

This practical seminar provides a broad overview of the issues encountered by foundation designers. it starts with a brief discussion of soil types and a primer on relevant geotechnical topics. You will learn how to determine soil-bearing capacities by both the conventional exploration and analysis methods and by approximate quick field testing. The differences in behavior of foundations placed on sand and clay are presented.

The seminar reviews the basics of wall and column footing design using long-hand calculations, reference tables, and software. Comfortable with the basics, participants will follow several step-by-step design examples for complex foundations, including combined, cantilever, and eccentric column footings. Design of mats and slabs on grade subjected to concentrated loads follows.

The discussion proceeds to the unique challenges of designing foundations for pre-engineered metal buildings, including frame-based and Quonset hut varieties. After an overview of special challenges facing the designers of these structures, the discussion explains the process of estimating column reactions and methods of resisting horizontal forces and uplift on their foundations are explained and illustrated in several design examples and a comprehensive case study.

An overview of challenges facing those designing foundations on difficult soils follows. You will learn how to deal with foundations on rock, poor, corrosive, or expansive soils, and with foundations in the areas with deep frost lines. An in-depth discussion of various methods of repair and strengthening foundations concludes the seminar.

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Seminar Benefits

  • Learn how to design various kinds of shallow foundations, including combined, cantilever, and eccentric column footings, and work through many step-by-step design examples
  • Discover how to use quick field testing to approximately establish soil bearing capacity
  • Discuss various methods of resisting horizontal forces on metal-building foundations, including tie rods, hairpins, and moment-resisting foundations. Learn the do’s and don’ts of their design
  • Examine the latest methods of strengthening shallow foundations, such as chemical grouting, jet grouting, micropiles, and helical piers
  • Learn how to estimate column reactions for pre-engineered buildings before the manufacturer is even selected
  • Explore the issues of transferring the column reactions from the base plates to the foundations and learn why some metal building manufacturers’ typical details may require modification. Learn how to select minimum column pier size to avoid anchor bolt failure.
  • Discover how to avoid pitfalls in designing formless footings and down turned slabs
  • Study the proven methods of constructing shallow foundations on rock, poor soils, or in areas with deep frost lines
  • Examine the merits of designing of fixed-base columns and learn what problems they present for the foundation designer.
  • Find out how the latest changes in the building codes complicate the design of anchor bolts for pre-engineered buildings and what changes in the

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Special Features

Each participant will receive a copy of Alexander Newman’s book Metal Building Systems: Design and Specifications, 2nd edition, a $90 value.

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Who Should Attend

Structural and civil engineers, facility managers, building officials, and competent contractors seeking to broaden their knowledge of foundation design, construction, and renovation methods. While the discussion topics are technical in nature, those who are not engineer will not be overwhelmed because the instruction is kept to an enjoyable and easy-to-understand level.

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Summary Outline


Day One


  • Soil and foundations
  • How to determine loadbearing capacity of soils
  • Design of shallow foundations for conventional buildings
    • Basic column and wall footings
    • Combined, cantilever, and eccentric column footings
  • Design of mats and slabs on grade subjected to concentrated loads
  • Foundation design for frame-based metal building systems (MBS)
  • Methods of resisting horizontal forces on foundations
    • Tie Rods
    • Hairpins
    • Moment-resisting foundations
    • Formless footings
    • Downturned slab

Day Two


  • Foundations for Quonset Hut-type buildings
  • Anchor bolts, column bases, and column piers
  • A case study
  • Foundations on difficult soils
  • Foundation problems
  • Repair of foundations
  • Methods of foundation strengthening

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Attendees’ Comments

“Horizontal forces on footings, is a topic that has been largely ignored in education and practice. There seems to be no accepted method of analysis in practice. I am glad to have attended this course and filled that gap.”
Charles Mullaley, Vice President
Bigbee Steel Buildings, Inc., Muscle Shoals, AL

“The content of the class was invaluable. You pick up pieces of information that would take a career to acquire.”
Robert Kniss
City of Lakeland, Department of Electric Utility, Lakeland, FL

“Very informative seminar. It was just what I needed.”
Gregory S. Barfield
 Adel, GA

“Many practical and current issues facing engineers were highlights of this seminar. Conflicts that engineers face with manufacturers, contractors, owners, courts and codes were addressed.”
Marty Bixler
 GRL Engineers, Inc., Orlando, FL

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