The purpose of this document is to compare a pipeline’s natural frequencies obtained from finite element analysis (FEA) and those derived from the vibration data obtained in the field. The FEA model was developed from inputs such as elevation of pipeline’s centerline, elevation of ground, properties of soil (assumed), geometry of the pipeline cross section, intermediate pipe supports (if any) and loading. Field data were obtained from accelerometer installed on the pipeline. Note this effort is one component of the larger multifaceted Modernize the Assessment of Pipeline Water Crossings...
The purpose of this document is to compare a pipeline’s natural frequencies obtained from finite element analysis (FEA) and those derived from the vibration data obtained in the field. The FEA model was developed from inputs such as elevation of pipeline’s centerline, elevation of ground, properties of soil (assumed), geometry of the pipeline cross section, intermediate pipe supports (if any) and loading. Field data were obtained from accelerometer installed on the pipeline. Note this effort is one component of the larger multifaceted Modernize the Assessment of Pipeline Water Crossings project, and a continuation of Phase B1(Determination of Additional Hydrotechnical threats.