Fundamentals of Structural Engineering

Fundamentals of Structural Engineering

Structural engineers have two major responsibilities during the design process.
First, they must synthesize the structural system, i.e., select the geometry and the
type of structural members that make up the structure. Second, they must size the
members such that the structure can comfortably support the design loading.
Creating a structural concept requires a deep knowledge of structural behavior.
Sizing the members requires information about the internal forces resulting from
the loading. These data are acquired through intelligent application of analysis
methods, mainly computer-based methods.

We have organized this text into three parts. Parts I and II are intended to provide

the student with the necessary computational tools and also to develop an under-
standing of structural behavior by covering analysis methodologies, ranging from

traditional classical methods through computer-based methods, for skeletal type
structures, i.e., structures composed of one-dimensional slender members. Part I
deals with statically determinate structures; statically indeterminate structures are
covered in Part II. Certain classical methods which we consider redundant have
been omitted. Some approximate methods which are useful for estimating the
response using hand computations have been included. Part III is devoted to
structural engineering issues for a range of structures frequently encountered in
practice. Emphasis is placed on structural idealization; how one identifies critical
loading patterns; and how one generates the extreme values of design variables
corresponding to a combination of gravity, live, wind, earthquake loading, and
support settlement using computer software systems.


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