Residential Foundation Design Options and Concepts
George E. Thomas, PE
Course Outline
This course is
intended to improve your structural engineering knowledge related to housing
foundation design and performance by providing state of the art engineering
concepts for light frame construction. It compliments current design practices
and building code requirements with value-added technical information and guidance.
In doing so, it supplements fundamental engineering principles with various
insights that focus on improving the understanding of conventional and engineered
housing construction. Thus, it will address deficiencies and inefficiencies
in past housing construction practices and structural engineering concepts through
a comprehensive design approach that draws on existing and innovative engineering
technologies in a practical manner. It is hoped that this course will help facilitate
and advance efficient design of residential housing whether built in conformance
with prescriptive (i.e., "conventional") practices or specially engineered
in part or whole. The desired effect is to continue to improve the value of
engineers in terms of economy in construction and performance.
This course includes
a multiple choice quiz at the end, which
is designed to enhance the understanding of the course materials.
Learning Objective
At
the conclusion of the course, the student will:
- Be familiar
with the different types of foundations used in residential construction;
- Have a better
understanding how to apply the different design concepts to the various types
of foundations;
- Be familiar
with the equations used in the design of residential foundations;
- Have a better
understanding on the use if reinforcement in a foundation design;
- Gain an understanding
of basements, slab-on-grade with stem wall, monolithic slabs, piles, and piers
design for residential construction;
- Know how to
apply alternative methods to residential foundation design.
- The importance
in providing a level surface for construction of the foundation wall;
- How to provide
adequate transfer and distribution of residential building loads to the underlying
soil;
- How to provide
adequate strength to residential foundation walls to prevent differential
settlement of the building in weak or uncertain soil conditions;
- How to place
the building foundation at a sufficient depth to avoid frost heave or thaw
weakening in frost susceptible soils and to avoid organic surface soil layers;
- How to provide
adequate anchorage or mass, when needed in addition to the foundation wall,
to resist potential uplift and overturning forces resulting from high winds
or severe seismic events;How to transfer the load of the building to the footing
or directly to the earth;
- How to provide
adequate strength, in combination with the footing when required, to prevent
differential settlement;
- How to provide
adequate resistance to shear and bending stresses in residential buildings
resulting from lateral soil pressure;
- How to provide
anchorage for the above-grade structure to resist wind or seismic forces;
- How to provide
a moisture-resistant barrier to below-ground habitable space in accordance
with the building codes;
- How to isolate
nonmoisture-resistant building materials from the ground to provide a floor
surface with adequate capacity to support all applied loads;
- How to provide
thickened footings for attachment of the above grade structure and for transfer
of the load to the earth where required and to provide a moisture barrier
between the earth and the interior of the residential building;
- What to do with
weak soils or nonengineered fills that require the use of piles to transfer
foundation loads by skin friction or point bearing;
- Identify inland
floodplains and coastal flood hazard zones where buildings must be elevated;
- Increase an
understanding of steep or unstable slopes;
- How to deal
with expansive soils where buildings must be isolated from soil expansion
in the "active" surface layer and anchored to stable soil below;
- How to treat
piles or caissons extending below the seasonal frost line; and
- How to use mat
or reinforced structural slab foundations that resist differential heave.
Intended
Audience
Architects, Engineers,
Residential Designers, and Builders
Benefit to Attendees
The information
gained from this course will allow for the engineer to design different types
of foundations for a variety of situations and conditions relating to residential
construction.
Course
Introduction
This course
is intended to improve your structural engineering knowledge related to residential
foundation design and performance by providing state of the art engineering
concepts for light frame construction. It compliments current design practices
and building code requirements with value-added technical information and guidance.
In doing so, it supplements fundamental engineering principles with various
insights that focus on improving the understanding of conventional and engineered
housing construction. Thus, it will address deficiencies and inefficiencies
in past residential construction practices and structural engineering concepts
through a comprehensive design approach that draws on existing and innovative
engineering technologies in a practical manner.
Course Content
In this lesson, you are required to download
and study the following course content in PDF format:
Residential
Foundation Design Options and Concepts
Please click on
the above underlined hypertext to view, download or print the document for your
study. Because of the large file size, we recommend that you first save the
file to your computer by right clicking the mouse and choosing "Save Target
As ...", and then open the file in Adobe Acrobat Reader. If you still experience
any difficulty in downloading or opening this file, you may need to close some
applications or reboot your computer to free up some memory.
Course Summary
In summary this
course was developed to help facilitate and advance efficient design of residential
housing foundations whether built in conformance with prescriptive (i.e., "conventional")
practices or specially engineered in part or whole. The desired effect of the
information presented is to continue to improve the value of engineers in terms
of economy in construction and performance.
Quiz
Once
you finish studying the
above course content,
you need to
take a quiz
to obtain the PDH credits.
DISCLAIMER: The materials
contained in the online course are not intended as a representation or warranty
on the part of PDH Center or any other person/organization named herein. The materials
are for general information only. They are not a substitute for competent professional
advice. Application of this information to a specific project should be reviewed
by a registered architect and/or professional engineer/surveyor. Anyone making
use of the information set forth herein does so at their own risk and assumes
any and all resulting liability arising therefrom.