Development of multimedia resource and short courses for LRFD design.
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2011-03-01
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Abstract:Multimedia technology is an essential instrument in the development of graduate engineers. This
multimedia package provides an exclusive background and an in-depth understanding of the new
technological advances in the design of concrete, steel and prestressed concrete bridges. It gives
guidelines and step-by-step instructions for the design of different types of bridges using the
LRFD specifications. It also includes an introduction of comparing three rating procedures
(ASR, LFR, and LRFR). One of the advantages of the package is that it can be conveniently
updated and modified to add future changes and procedures necessary for today’s structural
demand.
The LRFD specifications were created with a conservative point of view, applying almost
exclusively the limit states of strength. It is consistent with other major bridge codes adopted or
being adopted in many other countries such as Canada and the European countries. Because of
this many states throughout the United States have changed their specifications and are currently
implementing LRFD. It incorporates deep analysis and design methods with different kinds of
loads and resistance factors, which are based on the known variability of applied loads and the
material properties. This multimedia package includes the basis in which an engineer can design
a concrete bridge using LRFD specifications. It includes some PDF documents containing
explanatory examples and an overview of the strategic development of this structural code.
This project has a main focus to be a self-training tool for inexperienced engineers who are
interested in learning about the implementation of LRFD specifications in the design of concrete
bridges. It is a valuable tool because it contains procedures and specifications for each possible
situation together with detailed examples and illustrations. This package is a time saving, userfriendly,
reliable way of learning.
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