ground penetrating radar geophysical Articles

  • An Impulse Generator for The Ground penetrating radar

    Abstract In last time ground penetrating radars (GPR) are widely used for search and analysis of varied underground objects of natural and artificial origins. Caves and cavities can also be found and investigated with the GPR's aid. Impulse generator is the key unit, which determine GPR's parameters: depth of penetrating, accuracy et al. Serial power drift diodes are used for ...


    By Transient Technologies LLC

  • Seismic reflection, seismic crosshole and ground penetrating radar case study

    Geophysical Investigation of the Crosstown Expressway. Tampa, FL In April, 2004 Pier 97 which supported an elevated roadway in Tampa, FL was vertically displaced (collapsed) approximately 10 feet (ft). At the time of the collapse it was not known whether the collapse was associated with geological conditions at the site, specifically karst conditions, or whether is was associated with a ...


    By GeoView, Inc.

  • Ground-Penetrating Radar (GPR)n WA, ID, SD, WY, AK

    Utilizing state-of-the-art equipment, ECA Geophysics utilizes GPR to assist clients in the following ways: Locate shallow metallic (and nonmetallic) pipes, drums and tanks Utility and rebar locating Locate buried infrastructure and voids ...


    By ECA Geophysics

  • Ground Penetrating Radar Survey in Podil`lya Karst Area (Ternopil Region, Ukraine)

    Abstract - The paper describes ground penetrating radar (GPR) survey in karst area of PodilTya in Ternopil region, Ukraine that was fulfilled during 2005 year. The GPR examination was made in Ulashkovska and Mlynky caves. The GPR was applied in Ozernaya cave for unknown cavities location. Owing to the GPR survey new gallery was discovered. The research demonstrates an efficiency of the GPR ...


    By Transient Technologies LLC

  • Residential sinkhole investigation csae study

    Hernando County, Florida Geophysical techniques are commonly used as part of geotechnical investigations for sinkhole claims of residential structures. GeoView, Inc. has performed thousands geophysical surveys for residential sinkhole investigations throughout Florida, Tennessee and Georgia. The investigations involve performing ground penetrating radar (GPR) and/or electrical ...


    By GeoView, Inc.

  • Technology Array Enables Linked Surveys Above and Below the Surface

    CONSULTANTS at GEL Geophysics LLC, a geophysical and subsurface utility engineering consulting firm based in Charleston, South Carolina, in collaboration with the Ontario, California, office of David Evans and Associates Inc., a professional consulting firm, have combined existing surveying technology to create a system that is far more than a sum of its parts. The innovation is a multi-sensor ...


    By ImpulseRadar

  • Underground storage tanks case study

    MacDill Air Force Base A Phase II environmental site assessment was conducted at a military base in the southeastern United States. As part of the ESA, GeoView was contracted to perform the geophysical site assessment. The purpose of the geophysical investigation was to determine the presence and location of any underground storage tanks that may be buried within the boundaries of the ...


    By GeoView, Inc.

  • GPR survey to locate USTs and piping at a retail facility

    PROJECT: GPR survey of a retail facility LOCATION: Spokane, Washington PROJECT DESCRIPTION: Designed and performed a tight-line / saturation Ground Penetrating Radar (GPR) survey of an active retail property, to determine the presence, if any, of buried 1950s-vintage underground storage tanks (USTs). Performed onsite instrument "calibration" with known ...


    By ECA Geophysics

  • Using GPR to map rebar and post tension cables case study

    Building Renovation - Boston, MA Our client was tasked to install new plumbing lines as part of a building renovation. This task involved drilling cores through each floor of the building. Geoview was contracted to locate the rebar and post tension cables to determine safe coring locations. The geophysical investigation was conducted using Mala and GSSI Structure Scan ground ...


    By GeoView, Inc.

  • Sinkhole investigation case study

    Proposed Landfill Site - Sumter County, Florida A geophysical site characterization study was performed by GeoView to assist in the placement of a planned Class 2 Landfill in Florida. The survey area was approximately 160 acres. GeoView performed a ground penetrating radar (GPR) study map the lateral boundaries and determine apparent severity of karst (sinkhole) features. Electrical ...


    By GeoView, Inc.

  • GPR survey to locate USTs and piping at a retail facility

    PROJECT: GPR survey with confirmatory drilling + soil and water sampling / analysis LOCATION: Spokane, Washington PROJECT DESCRIPTION: Designed and performed a tight-line / saturation Ground Penetrating Radar (GPR) survey of an active retail property, to determine the presence, if any, of buried 1950s-vintage underground storage tanks (USTs). Performed ...


    By ECA Geophysics

  • Buried debris case study

    Saufley Field, Escambia County, Florida GeoView was tasked with performing a geophysical investigation at a military base in the southeastern United States. The purpose of the investigation was to locate a reported debris burial pit. The burial pit was reported to be 60 feet (ft) in length and up to 10 ft deep. Historical records indicated that the pit  contained buried drums and ...


    By GeoView, Inc.

  • Locate buried monitoring wells case study

    A Phase II Environmental Site Investigation was being conducted at a gasoline station in Fort Myers, Florida. In order to minimize costs, our client intended to use several existing on-site monitoring wells rather than installing new wells. However, five of the existing wells had been covered with asphalt and were no longer visible. GeoView was tasked with performing a shallow geophysical study ...


    By GeoView, Inc.

  • Determining the design of Buried foundations case study

    Foundation Mapping Determining the three-dimensional design of foundations for telecommunications towers, buildings and road signs can be impractical and sometimes nearly impossible using conventional means. Properly applied geophysical test methods, hand probing and shallow test pits provide a very cost-effective and non-destructive approach to determining the design of foundations. ...


    By GeoView, Inc.

  • Utility Locating and Mapping at a Power plant case study

    An expansion was planned at a power plant in west central Florida. As part of the design build plan, all of the utilities within the proposed building footprint had to be located and mapped. There were two phases of the investigation. Utility designation was the first phase. This involved studying existing as-builts, performing site walkthroughs with plant personnel in order to ascertain a ...


    By GeoView, Inc.

  • Archaeological survey 2

    The site of the Meadows’ Wesleyan Cemetery in the Adelaide is thought to contain more than 130 unmarked graves. This site initially had a chapel constructed on it in 1840 and the first burial in 1855.  The initial chapel was replaced by a more substantial stone building in 1856.  Burials continued in this cemetery sporadically until the 1940’s although the site became less ...

  • Searching for Archeological Anomalies in the Oluz Mound - Case Study

    The History Of The Oluz Mound The Oluz Mound near Amasya, Turkey, is a very important ancient Turkish settlement with a history stretching back to 4,500 B.C. For archaeologists, this site in Central Turkey is an exciting opportunity to discover not just the area’s history, but the history of the birthplace of civilizations. ...


    By Advanced Geosciences, Inc.

  • Scanning proposed borehole locations for Utilities case study

    Environmental and engineering firms often are tasked with performing soil borings for monitor well installation as part of a Phase II Environmental Site Assessment. This task becomes more challenging when the borings are to be installed in gasoline stations, right of ways or other areas where there are numerous underground utilities that are either unmarked or not properly located. GeoView can ...


    By GeoView, Inc.

  • GPR: a new tool for structural health monitoring of infrastructure

    Abstract Recent developments in acquisition methodology, data acquisition systems, post-processing software, and the availability of user friendly high-frequency antennas have enabled the GPR user to generate accurate three dimensional images of the interior of concrete structures. Four case studies are discussed with emphasis on output that is readily understood by the ...


    By SewerVUE

  • 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 ...

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