Blast Resistant highway Bridges - Design and Detailing Guidelines




2.1 Overview

The purpose of conducting the research described in this

report is to increase the security of the U.S. transportation infrastructure

by providing the maximum possible contribution

to the design and analysis of blast-resistant bridges given the

available resources. Although the issues associated with various

threats and the blast-resistant design of different bridge components

will require many years of study, this work makes an

important first step in the security of highway bridges by focusing

on the areas of greatest need. The final work plan carefully

considers information found in the literature, extensive

past experience with blast testing and explosive effects on structures,

and practical considerations concerning the importance

of certain design issues and individual bridge components.

This chapter describes the state of knowledge prior to

the start of the current work and outlines the basis for the

selected research plan.


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