Hierarchical analysis of bridge decision makers : the role of new technology adoption in the timber bridge market : special project fiscal year 1992
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1995-08-01
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Abstract:Bridge design engineers and local highway officials make bridge replacement decisions across the
United States. The Analytical Hierarchy Process was used to characterize the bridge material selection
decision of these individuals. State Department of Transportation engineers, private consulting
engineers, and local highway officials were personally interviewed in Mississippi, Virginia, Washington,
and Wisconsin to identify how important factors determine their choice of a bridge material.
The Analytical Hierarchy Process allowed us to quantify this subjective material selection decision
for different groups of decision makers. Based on the importance of various decision criteria and
how well the material alternatives (steel, reinforced concrete, prestressed concrete, and timber) meet
them, strategies are recommended for those promoting timber as a bridge material.
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