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Seismic Refraction

High Resolution in Seismic Refraction Tomography for Environmental Study

High Resolution in Seismic Refraction Tomography for Environmental Study

... Seismic refraction tomography (SRT) involves more complex mathematic algorithms to fit more flexible ...standard seismic refraction survey to obtain high resolu- tion ...this seismic ...

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Seismic refraction investigation on near surface landslides at the Kundasang area in Sabah, Malaysia

Seismic refraction investigation on near surface landslides at the Kundasang area in Sabah, Malaysia

... the seismic refraction tomography technique as one of the geophysical methods to investigate the landslide affected ...of seismic refraction investigation is in the measuring of the time taken ...

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Seismic Refraction and Electrical Resistivity Tests for Fracture Induced Anisotropy in a Mountain Watershed

Seismic Refraction and Electrical Resistivity Tests for Fracture Induced Anisotropy in a Mountain Watershed

... Nielson (2017) did a 2D seismic refraction study at Johnston Draw, a sub- catchment within the Reynolds Critical Zone Observatory, located in Southwest Idaho, USA. The underlying material of the ...

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Application Of Shallow Seismic Refraction To Detect Engineering Problems, Madinaty City, Egypt.

Application Of Shallow Seismic Refraction To Detect Engineering Problems, Madinaty City, Egypt.

... Adel M.E. Mohamed, A.S.A. Abu El Ata, F. Abdel Azim and M.A. Taha (2013): Site- specific shear wave velocity investigation for geotechnical engineering applications using seismic refraction and 2D ...

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EVALUATION OF UPHOLE SEISMIC REFRACTION DATA FROM SELECTED SPOTS IN THE CHAD BASIN OF NIGERIA

EVALUATION OF UPHOLE SEISMIC REFRACTION DATA FROM SELECTED SPOTS IN THE CHAD BASIN OF NIGERIA

... up-hole refraction survey was carried out in Chad Basin field, to evaluate the weathering thickness and the velocity of the low velocity layer ...the seismic refraction curve was ...the ...

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Integral analysis of seismic refraction and ambient vibration survey for subsurface profile evaluation

Integral analysis of seismic refraction and ambient vibration survey for subsurface profile evaluation

... from seismic refraction and ambient vibration were analyzed and presented in Table 2 and Figure ...from seismic refraction and ambient vibration survey shows some positive promising outcome ...

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Rippability assessment of weathered sedimentary rock mass using seismic refraction methods

Rippability assessment of weathered sedimentary rock mass using seismic refraction methods

... subsurface. Seismic refraction methods are non-invasive techniques to determine velocity ...on seismic velocity to determine the rippability of rocks. Seismic velocity can be correlated and ...

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Analysis of Near Surface Seismic Refraction for Geotechnical Parameters in Opolo, Yenagoa of Bayelsa State

Analysis of Near Surface Seismic Refraction for Geotechnical Parameters in Opolo, Yenagoa of Bayelsa State

... undesirably. Seismic refraction is one of the most important geophysical techniques for exploring underground layers and local ...The refraction seismic method is based on the measurement of ...

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Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom

Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom

... involving seismic techniques within coastal England near the study site did occur and are addressed given similarities in methods and results regarding this ...2D seismic refraction surveys conducted ...

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Soil and Subsurface Sediment Microzonation Using with Seismic Refraction Tomography for Site Assessment (Case Study: IKIA Airport, Iran)

Soil and Subsurface Sediment Microzonation Using with Seismic Refraction Tomography for Site Assessment (Case Study: IKIA Airport, Iran)

... site, seismic refraction studies were performed to determine the velocity of seismic waves in under- ground layer sand strength of geological formations at different ...

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Electric resistivity and seismic refraction tomography: a challenging joint underwater survey at Äspö Hard Rock Laboratory

Electric resistivity and seismic refraction tomography: a challenging joint underwater survey at Äspö Hard Rock Laboratory

... (2015). Seismic data and ERT were used to reduce model ambiguities to improve the estimation of the geophysical ...and seismic data is explained in Gallardo and Meju ...using seismic ...

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Determination of the Physical Properties of Near Surface Layers of Omerulu Area, Nigeria, Using Seismic Refraction Method

Determination of the Physical Properties of Near Surface Layers of Omerulu Area, Nigeria, Using Seismic Refraction Method

... Abstract: Seismic refraction method is a geophysical technique used to study physical properties of the subsurface such as layer thicknesses, travel times and velocities of seismic signals through ...

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A seismic refraction and reflection study of continent ocean transition beneath the north Biscay margin

A seismic refraction and reflection study of continent ocean transition beneath the north Biscay margin

... DISCUSSION AND CONCLUSIONS The results from the seismic refraction study, multichannel seismic reflection profiles and gravity modelling have been combined in the true scale section acro[r] ...

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Extended time term method for identifying lateral structural variations from seismic refraction data

Extended time term method for identifying lateral structural variations from seismic refraction data

... Figure 2(c) shows time-terms and velocities determined from conventional methods (a least squares method and a damped least squares method) with no smoothness con- straints. Travel times calculated from the solutions are ...

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Subsurface characterization using geophysical seismic refraction survey for slope stabilization design with soil nailing

Subsurface characterization using geophysical seismic refraction survey for slope stabilization design with soil nailing

... Seismic refraction approach measures the travel time of seismic waves refracted at the interfaces between subsurface layers of different velocity as illustrated in Figure 3 ...[13]. Seismic ...

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Mapping of geotechnical data using seismic refraction studies

Mapping of geotechnical data using seismic refraction studies

... a seismic refraction method to investigate a geotechnical data for preliminary geotechnical and engineering geology assessment due to subsurface ground ...of seismic waves generated by one of several ...

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Soil velocity profile on soft soil using seismic refraction

Soil velocity profile on soft soil using seismic refraction

... technique. Seismic refraction is one of non-intrusive geophysical technique mainly used to determine the primary wave (p-wave) or compression wave velocity of the soil ...propagating seismic wave ...

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The Beam Forming Technique for Enhancement of Noisy Seismic Refraction Data

The Beam Forming Technique for Enhancement of Noisy Seismic Refraction Data

... noisy seismic refraction ...individual seismic traces of seismic refraction spread to correct for the non-coincidence of the incidence seismic energy at different geophones, and ...

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Integration of Seismic Refraction and 2D Electrical  Resistivity in Locating Geological Contact

Integration of Seismic Refraction and 2D Electrical Resistivity in Locating Geological Contact

... applying seismic refraction and 2D electrical resistivity ...and seismic refraction method was conducted on four survey lines with 3 lines running from NW to SE which about parallel to each ...

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Geotechnical Investigation At Sanzule Beach, Ghana, Using Seismic Refraction Tomography

Geotechnical Investigation At Sanzule Beach, Ghana, Using Seismic Refraction Tomography

... Seismic Refraction survey was carried out using a 12-channel seismograph (Geometrics ES 3000) at Sanzule beach, in the Western Region of ...subsurface. Seismic Refraction Tomography (SRT) was ...

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