ground penetrating radar design News

  • ASTM D6066 - 11 Standard Practice for Determining the Normalized Penetration Resistance of Sands for Evaluation of Liquefaction Potential

    Normalization of penetration resistance data is a frequently used method to evaluate the liquefaction susceptibility of sands. A large case history database from many countries has been accumulated to estimate instability of saturated sands during earthquakes (1,2,3,4). This test is used extensively for a great variety of geotechnical exploration programs where ...


    By ASTM International

  • The new GPR controller is here - Welcome SIR-4000

    GSSI announced the release of SIR® 4000 ground penetrating radar (GPR) control unit at the 15th International Conference on Ground Penetrating Radar- GPR 2014, the premier conference for the GPR industry. The new controller is designed to bridge the legacy of our traditional analog antennas with our next-generation of digital offerings. Combined, this allows true versatility and flexibility ...


    By Geomorph Instruments

  • 811 call before you Dig Spoof!

    Most people who read our blog know that Ground Penetrating Radar is an essential tool used for utility locating. Everyone knows digging, before you have the excavation area surveyed to locate underground utility lines, can be a risky proposition. Although utility locating is a very serious issue, this month I thought I would ...


    By Global GPR Service Inc.

  • Triad expedites brownfields redevelopment in Fairbanks

    The Fairbanks North Star Borough (FNSB) used Triad in 2006-2007 to assess environmental conditions at a municipal property along the Chena River in Fairbanks, AK. FNSB accelerated the site investigation as part of a brownfields assessment grant received from the U.S. EPA in 2005. Low-level contamination had been identified onsite in past investigations, but its extent and impact on future ...

  • ASTM D6429 - 99(2011)e1 standard guide for selecting surface geophysical methods

    This guide applies to commonly used surface geophysical methods for those applications listed in Table 1. The rating system used in Table 1 is based upon the ability of each method to produce results under average field conditions when compared to other methods applied to the same application. An “A” rating implies a preferred method and a “B” rating implies an alternate ...


    By ASTM International

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