The nation’s infrastructure is full of deteriorating bridges in need of replacement or rehabilitation, oftentimes using accelerated bridge construction (ABC) techniques. The first step in any of these projects is to demolish (either entirely or in part) the existing structure. While the AASHTO LRFD Bridge Design Specification identifies minimum bridge design requirements and the AASHTO LRFD Construction Specification stipulates the bridge construction aspects, there is limited information available to guide design engineers and contractors on how to approach bridge demolition. Recent unintentional events have further exposed the need for research in this area. The purpose of this research is to get a national perspective on the administration practices owners use for bridge demolition. This was done in a survey developed through cooperation with the Research Advisory Panel (RAP) and distributed to all State Departments of Transportation (DOTs). The results of this summary were compiled and are presented in this report. These results show that additional research should be conducted on the topic.
Content Notes:
ABC-UTC Project: Demolition Requirements for Bridge Construction Projects – Best Practices Guideline (Phase I)
Bridges represent a significant subpopulation of our civil infrastructure. Majority of them are deteriorating fast and in need of replacement or rehab...
Accelerated bridge construction (ABC) is a solution for upgrading substandard bridges that reduces construction and closure times and minimizes exposu...
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