Leak detection within the national pipeline network has long been recognized as a much-needed capability to reduce the loss of high value product, improve public safety, and to reduce the emissions of environmentally damaging substances. In recent years, greater emphasis has been placed on the reduction of green house gas emissions in an attempt to address global warming. Natural gas contains a high concentration of methane gas, which is one of the most potent green house gas elements. Leakage of toxic and hazardous liquids into the environment often results in the long term contamination of ground soil, and in some cases, results in the contamination of aquifers and waterways that are key to sustaining the local habitat. Consequently, the U.S. Department of Transportation (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA), as well as various industry associations such as the Pipeline Research Council International (PRCI), have embarked upon extensive research and development programs aimed at establishing capability to pin point the location of pipeline leakage in real time.
Preventing unauthorized intrusions on pipeline Right of Ways (ROWs) and mechanical damage due to third party strikes by machinery is a constant challe...
Highway bridges are an important class of civil structures that are subject to continuously acting and varying dynamic loads due to traffic. A large n...
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United States Department of Transportation
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