In situ seismic wave velocity refers to the velocity of seismic waves measured in situ using seismic wave propagation methods. It is a non-destructive method of testing and is used to study sub-surface soil and rock strata. The measurements are made by seismic methods such as suspension logging,… View Full Term
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Ryan Shallenberger is the Sales & Marketing Coordinator for SEKISUI SPR Americas, LLC. Ryan has been involved with the trenchless pipe rehabilitation industry for nearly three years within several associations, such as the Georgia Association of Water Professionals (GAWP) and the North American Society for Trenchless Technology (NASTT). He has contributed on pieces for Trenchless Technology Magazine, the National Association of Sewer Service Companies (NASSCO), along with others.
From the constructability and environmental advantages of using spiral-wound liners, contractors have realized their many advantages.